add some extra assets FX and SFX

Assets/Game Kit Controller/Integrations/EzySlice/Framework.meta

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Assets/Game Kit Controller/Integrations/EzySlice/Framework/IntersectionResult.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice {
+
+	/**
+	 * A Basic Structure which contains intersection information
+	 * for Plane->Triangle Intersection Tests
+	 * TO-DO -> This structure can be optimized to hold less data
+	 * via an optional indices array. Could lead for a faster
+	 * intersection test aswell.
+	 */
+	public sealed class IntersectionResult {
+
+		// general tag to check if this structure is valid
+		private bool is_success;
+
+		// our intersection points/triangles
+		private readonly Triangle[] upper_hull;
+		private readonly Triangle[] lower_hull;
+		private readonly Vector3[] intersection_pt;
+
+		// our counters. We use raw arrays for performance reasons
+		private int upper_hull_count;
+		private int lower_hull_count;
+		private int intersection_pt_count;
+
+		public IntersectionResult() {
+			this.is_success = false;
+
+			this.upper_hull = new Triangle[2];
+			this.lower_hull = new Triangle[2];
+			this.intersection_pt = new Vector3[2];
+
+			this.upper_hull_count = 0;
+			this.lower_hull_count = 0;
+			this.intersection_pt_count = 0;
+		}
+
+		public Triangle[] upperHull {
+			get { return upper_hull; }
+		}
+
+		public Triangle[] lowerHull {
+			get { return lower_hull; }
+		}
+
+		public Vector3[] intersectionPoints {
+			get { return intersection_pt; }
+		}
+
+		public int upperHullCount {
+			get { return upper_hull_count; }
+		}
+
+		public int lowerHullCount {
+			get { return lower_hull_count; }
+		}
+
+		public int intersectionPointCount {
+			get { return intersection_pt_count; }
+		}
+
+		public bool isValid {
+			get { return is_success; }
+		}
+
+		/**
+		 * Used by the intersector, adds a new triangle to the
+		 * upper hull section
+		 */
+		public IntersectionResult AddUpperHull(Triangle tri) {
+			upper_hull[upper_hull_count++] = tri;
+
+			is_success = true;
+
+			return this;
+		}
+
+		/**
+		 * Used by the intersector, adds a new triangle to the
+		 * lower gull section
+		 */
+		public IntersectionResult AddLowerHull(Triangle tri) {
+			lower_hull[lower_hull_count++] = tri;
+
+			is_success = true;
+
+			return this;
+		}
+
+		/**
+		 * Used by the intersector, adds a new intersection point
+		 * which is shared by both upper->lower hulls
+		 */
+		public void AddIntersectionPoint(Vector3 pt) {
+			intersection_pt[intersection_pt_count++] = pt;
+		}
+
+		/**
+		 * Clear the current state of this object 
+		 */
+		public void Clear() {
+			is_success = false;
+			upper_hull_count = 0;
+			lower_hull_count = 0;
+			intersection_pt_count = 0;
+		}
+
+		/**
+		 * Editor only DEBUG functionality. This should not be compiled in the final
+		 * Version.
+		 */
+		public void OnDebugDraw() {
+			OnDebugDraw(Color.white);
+		}
+
+		public void OnDebugDraw(Color drawColor) {
+            #if UNITY_EDITOR
+
+			if (!isValid) {
+				return;
+			}
+
+			Color prevColor = Gizmos.color;
+
+			Gizmos.color = drawColor;
+
+			// draw the intersection points
+			for (int i = 0; i < intersectionPointCount; i++) {
+				Gizmos.DrawSphere(intersectionPoints[i], 0.1f);
+			}
+
+			// draw the upper hull in RED
+			for (int i = 0; i < upperHullCount; i++) {
+				upperHull[i].OnDebugDraw(Color.red);
+			}
+
+			// draw the lower hull in BLUE
+			for (int i = 0; i < lowerHullCount; i++) {
+				lowerHull[i].OnDebugDraw(Color.blue);
+			}
+
+			Gizmos.color = prevColor;
+
+            #endif
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/IntersectionResult.cs.meta

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+  packageName: Game Kit Controller - Shooter Melee Adventure FPS TPS Creator 3D +
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+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Framework/IntersectionResult.cs
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Assets/Game Kit Controller/Integrations/EzySlice/Framework/Intersector.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice {
+	/**
+	 * Contains static functionality to perform geometric intersection tests.
+	 */
+	public sealed class Intersector {
+
+		/**
+		 * Perform an intersection between Plane and Line, storing intersection point
+		 * in reference q. Function returns true if intersection has been found or
+		 * false otherwise.
+		 */
+		public static bool Intersect(Plane pl, Line ln, out Vector3 q) {
+			return Intersector.Intersect(pl, ln.positionA, ln.positionB, out q);
+		}
+
+		/**
+		 * Perform an intersection between Plane and Line made up of points a and b. Intersection
+		 * point will be stored in reference q. Function returns true if intersection has been
+		 * found or false otherwise.
+		 */
+		public static bool Intersect(Plane pl, Vector3 a, Vector3 b, out Vector3 q) {
+			Vector3 normal = pl.normal;
+			Vector3 ab = b - a;
+
+			float t = (pl.dist - Vector3.Dot(normal, a)) / Vector3.Dot(normal, ab);
+
+			// need to be careful and compensate for floating errors
+            if (t >= -float.Epsilon && t <= (1 + float.Epsilon)) {
+				q = a + t * ab;
+
+				return true;
+			}
+
+			q = Vector3.zero;
+
+			return false;
+		}
+
+		/**
+		 * Support functionality 
+		 */
+		public static float TriArea2D(float x1, float y1, float x2, float y2, float x3, float y3) {
+			return (x1 - x2) * (y2 - y3) - (x2 - x3) * (y1 - y2);
+		}
+
+		/**
+		 * Perform an intersection between Plane and Triangle. This is a comprehensive function
+		 * which alwo builds a HULL Hirearchy useful for decimation projects. This obviously
+		 * comes at the cost of more complex code and runtime checks, but the returned results
+		 * are much more flexible.
+		 * Results will be filled into the IntersectionResult reference. Check result.isValid()
+		 * for the final results.
+		 */
+		public static void Intersect(Plane pl, Triangle tri, IntersectionResult result) {
+			// clear the previous results from the IntersectionResult
+			result.Clear();
+
+			// grab local variables for easier access
+			Vector3 a = tri.positionA;
+			Vector3 b = tri.positionB;
+			Vector3 c = tri.positionC;
+
+			// check to see which side of the plane the points all
+			// lay in. SideOf operation is a simple dot product and some comparison
+			// operations, so these are a very quick checks
+			SideOfPlane sa = pl.SideOf(a);
+			SideOfPlane sb = pl.SideOf(b);
+			SideOfPlane sc = pl.SideOf(c);
+
+			// we cannot intersect if the triangle points all fall on the same side
+			// of the plane. This is an easy early out test as no intersections are possible.
+			if (sa == sb && sb == sc) {
+				return;
+			}
+
+			// detect cases where two points lay straight on the plane, meaning
+			// that the plane is actually parralel with one of the edges of the triangle
+			else if ((sa == SideOfPlane.ON && sa == sb) || 
+				(sa == SideOfPlane.ON && sa == sc) || 
+				(sb == SideOfPlane.ON && sb == sc)) 
+			{
+				return;
+			}
+
+			// keep in mind that intersection points are shared by both
+			// the upper HULL and lower HULL hence they lie perfectly
+			// on the plane that cut them
+			Vector3 qa;
+			Vector3 qb;
+
+			// check the cases where the points of the triangle actually lie on the plane itself
+			// in these cases, there is only going to be 2 triangles, one for the upper HULL and
+			// the other on the lower HULL
+			// we just need to figure out which points to accept into the upper or lower hulls.
+			if (sa == SideOfPlane.ON) {
+				// if the point a is on the plane, test line b-c
+				if (Intersector.Intersect(pl, b, c, out qa)) {
+                    // line b-c intersected, construct out triangles and return approprietly
+                    result.AddIntersectionPoint(qa);
+                    result.AddIntersectionPoint(a);
+
+                    // our two generated triangles, we need to figure out which
+                    // triangle goes into the UPPER hull and which goes into the LOWER hull
+                    Triangle ta = new Triangle(a, b, qa);
+                    Triangle tb = new Triangle(a, qa, c);
+
+                    // generate UV coordinates if there is any
+                    if (tri.hasUV) {
+                        // the computed UV coordinate if the intersection point
+                        Vector2 pq = tri.GenerateUV(qa);
+                        Vector2 pa = tri.uvA;
+                        Vector2 pb = tri.uvB;
+                        Vector2 pc = tri.uvC;
+
+                        ta.SetUV(pa, pb, pq);
+                        tb.SetUV(pa, pq, pc);
+                    }
+
+                    // generate Normal coordinates if there is any
+                    if (tri.hasNormal) {
+                        // the computed Normal coordinate if the intersection point
+                        Vector3 pq = tri.GenerateNormal(qa);
+                        Vector3 pa = tri.normalA;
+                        Vector3 pb = tri.normalB;
+                        Vector3 pc = tri.normalC;
+
+                        ta.SetNormal(pa, pb, pq);
+                        tb.SetNormal(pa, pq, pc);
+                    }
+
+                    // generate Tangent coordinates if there is any
+                    if (tri.hasTangent) {
+                        // the computed Tangent coordinate if the intersection point
+                        Vector4 pq = tri.GenerateTangent(qa);
+                        Vector4 pa = tri.tangentA;
+                        Vector4 pb = tri.tangentB;
+                        Vector4 pc = tri.tangentC;
+
+                        ta.SetTangent(pa, pb, pq);
+                        tb.SetTangent(pa, pq, pc);
+                    }
+
+					// b point lies on the upside of the plane
+					if (sb == SideOfPlane.UP) {
+						result.AddUpperHull(ta).AddLowerHull(tb);
+					}
+
+					// b point lies on the downside of the plane
+					else if (sb == SideOfPlane.DOWN) {
+						result.AddUpperHull(tb).AddLowerHull(ta);
+					}
+				}
+			}
+
+			// test the case where the b point lies on the plane itself
+			else if (sb == SideOfPlane.ON) {
+				// if the point b is on the plane, test line a-c
+				if (Intersector.Intersect(pl, a, c, out qa)) {
+					// line a-c intersected, construct out triangles and return approprietly
+					result.AddIntersectionPoint(qa);
+					result.AddIntersectionPoint(b);
+
+					// our two generated triangles, we need to figure out which
+					// triangle goes into the UPPER hull and which goes into the LOWER hull
+					Triangle ta = new Triangle(a, b, qa);
+					Triangle tb = new Triangle(qa, b, c);
+
+                    // generate UV coordinates if there is any
+                    if (tri.hasUV) {
+                        // the computed UV coordinate if the intersection point
+                        Vector2 pq = tri.GenerateUV(qa);
+                        Vector2 pa = tri.uvA;
+                        Vector2 pb = tri.uvB;
+                        Vector2 pc = tri.uvC;
+
+                        ta.SetUV(pa, pb, pq);
+                        tb.SetUV(pq, pb, pc);
+                    }
+
+                    // generate Normal coordinates if there is any
+                    if (tri.hasNormal) {
+                        // the computed Normal coordinate if the intersection point
+                        Vector3 pq = tri.GenerateNormal(qa);
+                        Vector3 pa = tri.normalA;
+                        Vector3 pb = tri.normalB;
+                        Vector3 pc = tri.normalC;
+
+                        ta.SetNormal(pa, pb, pq);
+                        tb.SetNormal(pq, pb, pc);
+                    }
+
+                    // generate Tangent coordinates if there is any
+                    if (tri.hasTangent) {
+                        // the computed Tangent coordinate if the intersection point
+                        Vector4 pq = tri.GenerateTangent(qa);
+                        Vector4 pa = tri.tangentA;
+                        Vector4 pb = tri.tangentB;
+                        Vector4 pc = tri.tangentC;
+
+                        ta.SetTangent(pa, pb, pq);
+                        tb.SetTangent(pq, pb, pc);
+                    }
+
+					// a point lies on the upside of the plane
+					if (sa == SideOfPlane.UP) {
+						result.AddUpperHull(ta).AddLowerHull(tb);
+					}
+
+					// a point lies on the downside of the plane
+					else if (sa == SideOfPlane.DOWN) {
+						result.AddUpperHull(tb).AddLowerHull(ta);
+					}
+				}
+			}
+
+			// test the case where the c point lies on the plane itself
+			else if (sc == SideOfPlane.ON) {
+				// if the point c is on the plane, test line a-b
+				if (Intersector.Intersect(pl, a, b, out qa)) {
+					// line a-c intersected, construct out triangles and return approprietly
+					result.AddIntersectionPoint(qa);
+					result.AddIntersectionPoint(c);
+
+					// our two generated triangles, we need to figure out which
+					// triangle goes into the UPPER hull and which goes into the LOWER hull
+					Triangle ta = new Triangle(a, qa, c);
+					Triangle tb = new Triangle(qa, b, c);
+
+                    // generate UV coordinates if there is any
+                    if (tri.hasUV) {
+                        // the computed UV coordinate if the intersection point
+                        Vector2 pq = tri.GenerateUV(qa);
+                        Vector2 pa = tri.uvA;
+                        Vector2 pb = tri.uvB;
+                        Vector2 pc = tri.uvC;
+
+                        ta.SetUV(pa, pq, pc);
+                        tb.SetUV(pq, pb, pc);
+                    }
+
+                    // generate Normal coordinates if there is any
+                    if (tri.hasNormal) {
+                        // the computed Normal coordinate if the intersection point
+                        Vector3 pq = tri.GenerateNormal(qa);
+                        Vector3 pa = tri.normalA;
+                        Vector3 pb = tri.normalB;
+                        Vector3 pc = tri.normalC;
+
+                        ta.SetNormal(pa, pq, pc);
+                        tb.SetNormal(pq, pb, pc);
+                    }
+
+                    // generate Tangent coordinates if there is any
+                    if (tri.hasTangent) {
+                        // the computed Tangent coordinate if the intersection point
+                        Vector4 pq = tri.GenerateTangent(qa);
+                        Vector4 pa = tri.tangentA;
+                        Vector4 pb = tri.tangentB;
+                        Vector4 pc = tri.tangentC;
+
+                        ta.SetTangent(pa, pq, pc);
+                        tb.SetTangent(pq, pb, pc);
+                    }
+
+					// a point lies on the upside of the plane
+					if (sa == SideOfPlane.UP) {
+						result.AddUpperHull(ta).AddLowerHull(tb);
+					}
+
+					// a point lies on the downside of the plane
+					else if (sa == SideOfPlane.DOWN) {
+						result.AddUpperHull(tb).AddLowerHull(ta);
+					}
+				}
+			}
+
+			// at this point, all edge cases have been tested and failed, we need to perform
+			// full intersection tests against the lines. From this point onwards we will generate
+			// 3 triangles
+			else if (sa != sb && Intersector.Intersect(pl, a, b, out qa)) {
+				// intersection found against a - b
+				result.AddIntersectionPoint(qa);
+
+				// since intersection was found against a - b, we need to check which other
+				// lines to check (we only need to check one more line) for intersection.
+				// the line we check against will be the line against the point which lies on
+				// the other side of the plane.
+				if (sa == sc) {
+					// we likely have an intersection against line b-c which will complete this loop
+					if (Intersector.Intersect(pl, b, c, out qb)) {
+                        result.AddIntersectionPoint(qb);
+
+						// our three generated triangles. Two of these triangles will end
+						// up on either the UPPER or LOWER hulls.
+						Triangle ta = new Triangle(qa, b, qb);
+						Triangle tb = new Triangle(a, qa, qb);
+						Triangle tc = new Triangle(a, qb, c);
+
+                        // generate UV coordinates if there is any
+                        if (tri.hasUV) {
+                            // the computed UV coordinate if the intersection point
+                            Vector2 pqa = tri.GenerateUV(qa);
+                            Vector2 pqb = tri.GenerateUV(qb);
+                            Vector2 pa = tri.uvA;
+                            Vector2 pb = tri.uvB;
+                            Vector2 pc = tri.uvC;
+
+                            ta.SetUV(pqa, pb, pqb);
+                            tb.SetUV(pa, pqa, pqb);
+                            tc.SetUV(pa, pqb, pc);
+                        }
+
+                        // generate Normal coordinates if there is any
+                        if (tri.hasNormal) {
+                            // the computed Normal coordinate if the intersection point
+                            Vector3 pqa = tri.GenerateNormal(qa);
+                            Vector3 pqb = tri.GenerateNormal(qb);
+                            Vector3 pa = tri.normalA;
+                            Vector3 pb = tri.normalB;
+                            Vector3 pc = tri.normalC;
+
+                            ta.SetNormal(pqa, pb, pqb);
+                            tb.SetNormal(pa, pqa, pqb);
+                            tc.SetNormal(pa, pqb, pc);
+                        }
+
+                        // generate Tangent coordinates if there is any
+                        if (tri.hasTangent) {
+                            // the computed Tangent coordinate if the intersection point
+                            Vector4 pqa = tri.GenerateTangent(qa);
+                            Vector4 pqb = tri.GenerateTangent(qb);
+                            Vector4 pa = tri.tangentA;
+                            Vector4 pb = tri.tangentB;
+                            Vector4 pc = tri.tangentC;
+
+                            ta.SetTangent(pqa, pb, pqb);
+                            tb.SetTangent(pa, pqa, pqb);
+                            tc.SetTangent(pa, pqb, pc);
+                        }
+
+						if (sa == SideOfPlane.UP) {
+							result.AddUpperHull(tb).AddUpperHull(tc).AddLowerHull(ta);
+						} 
+						else {
+							result.AddLowerHull(tb).AddLowerHull(tc).AddUpperHull(ta);
+						}
+					}
+				}
+				else {
+					// in this scenario, the point a is a "lone" point which lies in either upper
+					// or lower HULL. We need to perform another intersection to find the last point
+					if (Intersector.Intersect(pl, a, c, out qb)) {
+						result.AddIntersectionPoint(qb);
+
+						// our three generated triangles. Two of these triangles will end
+						// up on either the UPPER or LOWER hulls.
+						Triangle ta = new Triangle(a, qa, qb);
+						Triangle tb = new Triangle(qa, b, c);
+						Triangle tc = new Triangle(qb, qa, c);
+
+                        // generate UV coordinates if there is any
+                        if (tri.hasUV) {
+                            // the computed UV coordinate if the intersection point
+                            Vector2 pqa = tri.GenerateUV(qa);
+                            Vector2 pqb = tri.GenerateUV(qb);
+                            Vector2 pa = tri.uvA;
+                            Vector2 pb = tri.uvB;
+                            Vector2 pc = tri.uvC;
+
+                            ta.SetUV(pa, pqa, pqb);
+                            tb.SetUV(pqa, pb, pc);
+                            tc.SetUV(pqb, pqa, pc);
+                        }
+
+                        // generate Normal coordinates if there is any
+                        if (tri.hasNormal) {
+                            // the computed Normal coordinate if the intersection point
+                            Vector3 pqa = tri.GenerateNormal(qa);
+                            Vector3 pqb = tri.GenerateNormal(qb);
+                            Vector3 pa = tri.normalA;
+                            Vector3 pb = tri.normalB;
+                            Vector3 pc = tri.normalC;
+
+                            ta.SetNormal(pa, pqa, pqb);
+                            tb.SetNormal(pqa, pb, pc);
+                            tc.SetNormal(pqb, pqa, pc);
+                        }
+
+                        // generate Tangent coordinates if there is any
+                        if (tri.hasTangent) {
+                            // the computed Tangent coordinate if the intersection point
+                            Vector4 pqa = tri.GenerateTangent(qa);
+                            Vector4 pqb = tri.GenerateTangent(qb);
+                            Vector4 pa = tri.tangentA;
+                            Vector4 pb = tri.tangentB;
+                            Vector4 pc = tri.tangentC;
+
+                            ta.SetTangent(pa, pqa, pqb);
+                            tb.SetTangent(pqa, pb, pc);
+                            tc.SetTangent(pqb, pqa, pc);
+                        }
+
+						if (sa == SideOfPlane.UP) {
+							result.AddUpperHull(ta).AddLowerHull(tb).AddLowerHull(tc);
+						} 
+						else {
+							result.AddLowerHull(ta).AddUpperHull(tb).AddUpperHull(tc);
+						}
+					}
+				}
+			}
+
+			// if line a-b did not intersect (or the lie on the same side of the plane)
+			// this simplifies the problem a fair bit. This means we have an intersection 
+			// in line a-c and b-c, which we can use to build a new UPPER and LOWER hulls
+			// we are expecting both of these intersection tests to pass, otherwise something
+			// went wrong (float errors? missed a checked case?)
+			else if (Intersector.Intersect(pl, c, a, out qa) && Intersector.Intersect(pl, c, b, out qb)) {
+				// in here we know that line a-b actually lie on the same side of the plane, this will
+				// simplify the rest of the logic. We also have our intersection points
+				// the computed UV coordinate of the intersection point
+
+				result.AddIntersectionPoint(qa);
+				result.AddIntersectionPoint(qb);
+
+				// our three generated triangles. Two of these triangles will end
+				// up on either the UPPER or LOWER hulls.
+				Triangle ta = new Triangle(qa, qb, c);
+				Triangle tb = new Triangle(a, qb, qa);
+				Triangle tc = new Triangle(a, b, qb);
+
+                // generate UV coordinates if there is any
+                if (tri.hasUV) {
+                    // the computed UV coordinate if the intersection point
+                    Vector2 pqa = tri.GenerateUV(qa);
+                    Vector2 pqb = tri.GenerateUV(qb);
+                    Vector2 pa = tri.uvA;
+                    Vector2 pb = tri.uvB;
+                    Vector2 pc = tri.uvC;
+
+                    ta.SetUV(pqa, pqb, pc);
+                    tb.SetUV(pa, pqb, pqa);
+                    tc.SetUV(pa, pb, pqb);
+                }
+
+                // generate Normal coordinates if there is any
+                if (tri.hasNormal) {
+                    // the computed Normal coordinate if the intersection point
+                    Vector3 pqa = tri.GenerateNormal(qa);
+                    Vector3 pqb = tri.GenerateNormal(qb);
+                    Vector3 pa = tri.normalA;
+                    Vector3 pb = tri.normalB;
+                    Vector3 pc = tri.normalC;
+
+                    ta.SetNormal(pqa, pqb, pc);
+                    tb.SetNormal(pa, pqb, pqa);
+                    tc.SetNormal(pa, pb, pqb);
+                }
+
+                // generate Tangent coordinates if there is any
+                if (tri.hasTangent) {
+                    // the computed Tangent coordinate if the intersection point
+                    Vector4 pqa = tri.GenerateTangent(qa);
+                    Vector4 pqb = tri.GenerateTangent(qb);
+                    Vector4 pa = tri.tangentA;
+                    Vector4 pb = tri.tangentB;
+                    Vector4 pc = tri.tangentC;
+
+                    ta.SetTangent(pqa, pqb, pc);
+                    tb.SetTangent(pa, pqb, pqa);
+                    tc.SetTangent(pa, pb, pqb);
+                }
+
+				if (sa == SideOfPlane.UP) {
+					result.AddUpperHull(tb).AddUpperHull(tc).AddLowerHull(ta);
+				}
+				else {
+					result.AddLowerHull(tb).AddLowerHull(tc).AddUpperHull(ta);
+				}
+			}
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Intersector.cs.meta

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+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Framework/Intersector.cs
+  uploadId: 889948

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Line.cs

@@ -0,0 +1,31 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice {
+	public struct Line {
+		private readonly Vector3 m_pos_a;
+		private readonly Vector3 m_pos_b;
+
+		public Line(Vector3 pta, Vector3 ptb) {
+			this.m_pos_a = pta;
+			this.m_pos_b = ptb;
+		}
+
+		public float dist {
+			get { return GKC_Utils.distance (this.m_pos_a, this.m_pos_b); }
+		}
+
+		public float distSq {
+			get { return (this.m_pos_a - this.m_pos_b).sqrMagnitude; }
+		}
+
+		public Vector3 positionA {
+			get { return this.m_pos_a; }
+		}
+
+		public Vector3 positionB {
+			get { return this.m_pos_b; }
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Line.cs.meta

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+    2.5D
+  packageVersion: 3.77h
+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Framework/Line.cs
+  uploadId: 889948

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Plane.cs

@@ -0,0 +1,142 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice
+{
+
+	/**
+	 * Quick Internal structure which checks where the point lays on the
+	 * Plane. UP = Upwards from the Normal, DOWN = Downwards from the Normal
+	 * ON = Point lays straight on the plane
+	 */
+	public enum SideOfPlane
+	{
+		UP,
+		DOWN,
+		ON
+	}
+
+	/**
+	 * Represents a simple 3D Plane structure with a position
+	 * and direction which extends infinitely in its axis. This provides
+	 * an optimal structure for collision tests for the slicing framework.
+	 */
+	public struct Plane
+	{
+		private Vector3 m_normal;
+		private float m_dist;
+
+		// this is for editor debugging only! do NOT try to access this
+		// variable at runtime, we will be stripping it out for final
+		// builds
+		#if UNITY_EDITOR
+		private Transform trans_ref;
+		#endif
+
+		public Plane (Vector3 pos, Vector3 norm)
+		{
+			this.m_normal = norm;
+			this.m_dist = Vector3.Dot (norm, pos);
+
+			// this is for editor debugging only!
+			#if UNITY_EDITOR
+			trans_ref = null;
+			#endif
+		}
+
+		public Plane (Vector3 norm, float dot)
+		{
+			this.m_normal = norm;
+			this.m_dist = dot;
+
+			// this is for editor debugging only!
+			#if UNITY_EDITOR
+			trans_ref = null;
+			#endif
+		}
+
+		public void Compute (Vector3 pos, Vector3 norm)
+		{
+			this.m_normal = norm;
+			this.m_dist = Vector3.Dot (norm, pos);
+		}
+
+		public void Compute (Transform trans)
+		{
+			Compute (trans.position, trans.up);
+
+			// this is for editor debugging only!
+			#if UNITY_EDITOR
+			trans_ref = trans;
+			#endif
+		}
+
+		public void Compute (GameObject obj)
+		{
+			Compute (obj.transform);
+		}
+
+		public Vector3 normal {
+			get { return this.m_normal; }
+		}
+
+		public float dist {
+			get { return this.m_dist; }
+		}
+
+		/**
+		 * Checks which side of the plane the point lays on.
+		 */
+		public SideOfPlane SideOf (Vector3 pt)
+		{
+			float result = Vector3.Dot (m_normal, pt) - m_dist;
+
+			if (result > float.Epsilon) {
+				return SideOfPlane.UP;
+			}
+
+			if (result < -float.Epsilon) {
+				return SideOfPlane.DOWN;
+			}
+
+			return SideOfPlane.ON;
+		}
+
+		/**
+		 * Editor only DEBUG functionality. This should not be compiled in the final
+		 * Version.
+		 */
+		public void OnDebugDraw ()
+		{
+			OnDebugDraw (Color.white);
+		}
+
+		public void OnDebugDraw (Color drawColor)
+		{
+			// NOTE -> Gizmos are only supported in the editor. We will keep these function
+			// signatures for consistancy however at final build, these will do nothing
+			// TO/DO -> Should we throw a runtime exception if this function tried to get executed
+			// at runtime?
+			#if UNITY_EDITOR
+
+			if (trans_ref == null) {
+				return;
+			}
+
+			Color prevColor = Gizmos.color;
+			Matrix4x4 prevMatrix = Gizmos.matrix;
+
+			// TO-DO
+			Gizmos.matrix = Matrix4x4.TRS (trans_ref.position, trans_ref.rotation, trans_ref.localScale);
+			Gizmos.color = drawColor;
+
+			Gizmos.DrawWireCube (Vector3.zero, new Vector3 (1.0f, 0.0f, 1.0f));
+
+			Gizmos.color = prevColor;
+			Gizmos.matrix = prevMatrix;
+
+			#endif
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Plane.cs.meta

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+    2.5D
+  packageVersion: 3.77h
+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Framework/Plane.cs
+  uploadId: 889948

Assets/Game Kit Controller/Integrations/EzySlice/Framework/TextureRegion.cs

@@ -0,0 +1,117 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice {
+    /**
+     * TextureRegion defines a region of a specific texture which can be used
+     * for custom UV Mapping Routines.
+     * 
+     * TextureRegions are always stored in normalized UV Coordinate space between
+     * 0.0f and 1.0f
+     */
+    public struct TextureRegion {
+        private readonly float pos_start_x;
+        private readonly float pos_start_y;
+        private readonly float pos_end_x;
+        private readonly float pos_end_y;
+
+        public TextureRegion(float startX, float startY, float endX, float endY) {
+            this.pos_start_x = startX;
+            this.pos_start_y = startY;
+            this.pos_end_x = endX;
+            this.pos_end_y = endY;
+        }
+
+        public float startX { get { return this.pos_start_x; } }
+        public float startY { get { return this.pos_start_y; } }
+        public float endX { get { return this.pos_end_x; } }
+        public float endY { get { return this.pos_end_y; } }
+
+        public Vector2 start { get { return new Vector2(startX, startY); } }
+        public Vector2 end { get { return new Vector2(endX, endY); } }
+
+        /**
+         * Perform a mapping of a UV coordinate (computed in 0,1 space)
+         * into the new coordinates defined by the provided TextureRegion
+         */
+        public Vector2 Map(Vector2 uv) {
+            return Map(uv.x, uv.y);
+        }
+
+        /**
+         * Perform a mapping of a UV coordinate (computed in 0,1 space)
+         * into the new coordinates defined by the provided TextureRegion
+         */
+        public Vector2 Map(float x, float y) {
+            float mappedX = MAP(x, 0.0f, 1.0f, pos_start_x, pos_end_x);
+            float mappedY = MAP(y, 0.0f, 1.0f, pos_start_y, pos_end_y);
+
+            return new Vector2(mappedX, mappedY);
+        }
+
+        /**
+         * Our mapping function to map arbitrary values into our required texture region
+         */
+        private static float MAP(float x, float in_min, float in_max, float out_min, float out_max) {
+            return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+        }
+    }
+
+    /**
+     * Define our TextureRegion extension to easily calculate
+     * from a Texture2D Object.
+     */
+    public static class TextureRegionExtension {
+
+//        /**
+//         * Helper function to quickly calculate the Texture Region from a material.
+//         * This extension function will use the mainTexture component to perform the
+//         * calculation. 
+//         * 
+//         * Will throw a null exception if the texture does not exist. See
+//         * Texture.getTextureRegion() for function details.
+//         */
+//        public static TextureRegion GetTextureRegion(this Material mat,
+//                                                     int pixX,
+//                                                     int pixY,
+//                                                     int pixWidth,
+//                                                     int pixHeight)
+//        {
+//            return mat.mainTexture.GetTextureRegion(pixX, pixY, pixWidth, pixHeight);
+//        }
+//
+//        /**
+//         * Using a Texture2D, calculate and return a specific TextureRegion
+//         * Coordinates are provided in pixel coordinates where 0,0 is the
+//         * bottom left corner of the texture.
+//         * 
+//         * The texture region will automatically be calculated to ensure that it
+//         * will fit inside the provided texture. 
+//         */
+//        public static TextureRegion GetTextureRegion(this Texture tex, 
+//                                                     int pixX, 
+//                                                     int pixY, 
+//                                                     int pixWidth, 
+//                                                     int pixHeight) 
+//        {
+//            int textureWidth = tex.width;
+//            int textureHeight = tex.height;
+//
+//            // ensure we are not referencing out of bounds coordinates
+//            // relative to our texture
+//            int calcWidth = Mathf.Min(textureWidth, pixWidth);
+//            int calcHeight = Mathf.Min(textureHeight, pixHeight);
+//            int calcX = Mathf.Min(Mathf.Abs(pixX), textureWidth);
+//            int calcY = Mathf.Min(Mathf.Abs(pixY), textureHeight);
+//
+//            float startX = calcX / (float)textureWidth;
+//            float startY = calcY / (float)textureHeight;
+//            float endX = (calcX + calcWidth) / (float)textureWidth;
+//            float endY = (calcY + calcHeight) / (float)textureHeight;
+//
+//            // texture region is a struct which is allocated on the stack
+//            return new TextureRegion(startX, startY, endX, endY);
+//        }
+    }
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/TextureRegion.cs.meta

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Assets/Game Kit Controller/Integrations/EzySlice/Framework/Triangle.cs

@@ -0,0 +1,352 @@
+using UnityEngine;
+
+namespace EzySlice {
+	/**
+	 * Represents a simple 3D Triangle structure with position
+	 * and UV map. The UV is required if the slicer needs
+	 * to recalculate the new UV position for texture mapping.
+	 */
+	public struct Triangle {
+		// the points which represent this triangle
+        // these have to be set and are immutable. Cannot be
+        // changed once set
+		private readonly Vector3 m_pos_a;
+		private readonly Vector3 m_pos_b;
+		private readonly Vector3 m_pos_c;
+
+        // the UV coordinates of this triangle
+        // these are optional and may not be set
+        private bool m_uv_set;
+        private Vector2 m_uv_a;
+        private Vector2 m_uv_b;
+		private Vector2 m_uv_c;
+
+        // the Normals of the Vertices
+        // these are optional and may not be set
+        private bool m_nor_set;
+        private Vector3 m_nor_a;
+        private Vector3 m_nor_b;
+        private Vector3 m_nor_c;
+
+        // the Tangents of the Vertices
+        // these are optional and may not be set
+        private bool m_tan_set;
+        private Vector4 m_tan_a;
+        private Vector4 m_tan_b;
+        private Vector4 m_tan_c;
+
+		public Triangle(Vector3 posa, 
+						Vector3 posb, 
+						Vector3 posc) 
+        {
+            this.m_pos_a = posa;
+            this.m_pos_b = posb;
+            this.m_pos_c = posc;
+
+            this.m_uv_set = false;
+            this.m_uv_a = Vector2.zero;
+            this.m_uv_b = Vector2.zero;
+            this.m_uv_c = Vector2.zero;
+
+            this.m_nor_set = false;
+            this.m_nor_a = Vector3.zero;
+            this.m_nor_b = Vector3.zero;
+            this.m_nor_c = Vector3.zero;
+
+            this.m_tan_set = false;
+            this.m_tan_a = Vector4.zero;
+            this.m_tan_b = Vector4.zero;
+            this.m_tan_c = Vector4.zero;
+        }
+
+		public Vector3 positionA {
+			get { return this.m_pos_a; }
+		}
+
+		public Vector3 positionB {
+			get { return this.m_pos_b; }
+		}
+
+		public Vector3 positionC {
+			get { return this.m_pos_c; }
+		}
+
+        public bool hasUV {
+            get { return this.m_uv_set; }
+        }
+
+        public void SetUV(Vector2 uvA, Vector2 uvB, Vector2 uvC) {
+            this.m_uv_a = uvA;
+            this.m_uv_b = uvB;
+            this.m_uv_c = uvC;
+
+            this.m_uv_set = true;
+        }
+
+		public Vector2 uvA {
+			get { return this.m_uv_a; }
+		}
+
+		public Vector2 uvB {
+			get { return this.m_uv_b; }
+		}
+
+		public Vector2 uvC {
+			get { return this.m_uv_c; }
+		}
+
+        public bool hasNormal {
+            get { return this.m_nor_set; }
+        }
+
+        public void SetNormal(Vector3 norA, Vector3 norB, Vector3 norC) {
+            this.m_nor_a = norA;
+            this.m_nor_b = norB;
+            this.m_nor_c = norC;
+
+            this.m_nor_set = true;
+        }
+
+        public Vector3 normalA {
+            get { return this.m_nor_a; }
+        }
+
+        public Vector3 normalB {
+            get { return this.m_nor_b; }
+        }
+
+        public Vector3 normalC {
+            get { return this.m_nor_c; }
+        }
+
+        public bool hasTangent {
+            get { return this.m_tan_set; }
+        }
+
+        public void SetTangent(Vector4 tanA, Vector4 tanB, Vector4 tanC) {
+            this.m_tan_a = tanA;
+            this.m_tan_b = tanB;
+            this.m_tan_c = tanC;
+
+            this.m_tan_set = true;
+        }
+
+        public Vector4 tangentA {
+            get { return this.m_tan_a; }
+        }
+
+        public Vector4 tangentB {
+            get { return this.m_tan_b; }
+        }
+
+        public Vector4 tangentC {
+            get { return this.m_tan_c; }
+        }
+
+        /**
+         * Compute and set the tangents of this triangle
+         * Derived From https://answers.unity.com/questions/7789/calculating-tangents-vector4.html
+         */
+        public void ComputeTangents() {
+            // computing tangents requires both UV and normals set
+            if (!m_nor_set || !m_uv_set) {
+                return;
+            }
+
+            Vector3 v1 = m_pos_a;
+            Vector3 v2 = m_pos_b;
+            Vector3 v3 = m_pos_c;
+
+            Vector2 w1 = m_uv_a;
+            Vector2 w2 = m_uv_b;
+            Vector2 w3 = m_uv_c;
+
+            float x1 = v2.x - v1.x;
+            float x2 = v3.x - v1.x;
+            float y1 = v2.y - v1.y;
+            float y2 = v3.y - v1.y;
+            float z1 = v2.z - v1.z;
+            float z2 = v3.z - v1.z;
+
+            float s1 = w2.x - w1.x;
+            float s2 = w3.x - w1.x;
+            float t1 = w2.y - w1.y;
+            float t2 = w3.y - w1.y;
+
+            float r = 1.0f / (s1 * t2 - s2 * t1);
+
+            Vector3 sdir = new Vector3((t2 * x1 - t1 * x2) * r, (t2 * y1 - t1 * y2) * r, (t2 * z1 - t1 * z2) * r);
+            Vector3 tdir = new Vector3((s1 * x2 - s2 * x1) * r, (s1 * y2 - s2 * y1) * r, (s1 * z2 - s2 * z1) * r);
+
+            Vector3 n1 = m_nor_a;
+            Vector3 nt1 = sdir;
+
+            Vector3.OrthoNormalize(ref n1, ref nt1);
+            Vector4 tanA = new Vector4(nt1.x, nt1.y, nt1.z, (Vector3.Dot(Vector3.Cross(n1, nt1), tdir) < 0.0f) ? -1.0f : 1.0f);
+
+            Vector3 n2 = m_nor_b;
+            Vector3 nt2 = sdir;
+
+            Vector3.OrthoNormalize(ref n2, ref nt2);
+            Vector4 tanB = new Vector4(nt2.x, nt2.y, nt2.z, (Vector3.Dot(Vector3.Cross(n2, nt2), tdir) < 0.0f) ? -1.0f : 1.0f);
+
+            Vector3 n3 = m_nor_c;
+            Vector3 nt3 = sdir;
+
+            Vector3.OrthoNormalize(ref n3, ref nt3);
+            Vector4 tanC = new Vector4(nt3.x, nt3.y, nt3.z, (Vector3.Dot(Vector3.Cross(n3, nt3), tdir) < 0.0f) ? -1.0f : 1.0f);
+
+            // finally set the tangents of this object
+            SetTangent(tanA, tanB, tanC);
+        }
+
+		/**
+		 * Calculate the Barycentric coordinate weight values u-v-w for Point p in respect to the provided
+		 * triangle. This is useful for computing new UV coordinates for arbitrary points.
+		 */
+		public Vector3 Barycentric(Vector3 p) {
+			Vector3 a = m_pos_a;
+			Vector3 b = m_pos_b;
+			Vector3 c = m_pos_c;
+
+			Vector3 m = Vector3.Cross(b - a, c - a);
+
+			float nu;
+			float nv;
+			float ood;
+
+			float x = Mathf.Abs(m.x);
+			float y = Mathf.Abs(m.y);
+			float z = Mathf.Abs(m.z);
+
+			// compute areas of plane with largest projections
+			if (x >= y && x >= z) {
+				// area of PBC in yz plane
+				nu = Intersector.TriArea2D(p.y, p.z, b.y, b.z, c.y, c.z);
+				// area of PCA in yz plane
+				nv = Intersector.TriArea2D(p.y, p.z, c.y, c.z, a.y, a.z);
+				// 1/2*area of ABC in yz plane
+				ood = 1.0f / m.x;
+			} 
+			else if (y >= x && y >= z) {
+				// project in xz plane
+				nu = Intersector.TriArea2D(p.x, p.z, b.x, b.z, c.x, c.z);
+				nv = Intersector.TriArea2D(p.x, p.z, c.x, c.z, a.x, a.z);
+				ood = 1.0f / -m.y;
+			} 
+			else {
+				// project in xy plane
+				nu = Intersector.TriArea2D(p.x, p.y, b.x, b.y, c.x, c.y);
+				nv = Intersector.TriArea2D(p.x, p.y, c.x, c.y, a.x, a.y);
+				ood = 1.0f / m.z;
+			}
+
+			float u = nu * ood;
+			float v = nv * ood;
+			float w = 1.0f - u - v;
+
+			return new Vector3(u, v, w);
+		}
+
+		/**
+		 * Generate a set of new UV coordinates for the provided point pt in respect to Triangle.
+		 * 
+		 * Uses weight values for the computation, so this triangle must have UV's set to return
+		 * the correct results. Otherwise Vector2.zero will be returned. check via hasUV().
+		 */
+		public Vector2 GenerateUV(Vector3 pt) {
+            // if not set, result will be zero, quick exit
+            if (!m_uv_set) {
+                return Vector2.zero;
+            }
+
+			Vector3 weights = Barycentric(pt);
+
+			return (weights.x * m_uv_a) + (weights.y * m_uv_b) + (weights.z * m_uv_c);
+		}
+
+        /**
+         * Generates a set of new Normal coordinates for the provided point pt in respect to Triangle.
+         * 
+         * Uses weight values for the computation, so this triangle must have Normal's set to return
+         * the correct results. Otherwise Vector3.zero will be returned. check via hasNormal().
+         */
+        public Vector3 GenerateNormal(Vector3 pt) {
+            // if not set, result will be zero, quick exit
+            if (!m_nor_set) {
+                return Vector3.zero;
+            }
+
+            Vector3 weights = Barycentric(pt);
+
+            return (weights.x * m_nor_a) + (weights.y * m_nor_b) + (weights.z * m_nor_c);
+        }
+
+        /**
+         * Generates a set of new Tangent coordinates for the provided point pt in respect to Triangle.
+         * 
+         * Uses weight values for the computation, so this triangle must have Tangent's set to return
+         * the correct results. Otherwise Vector4.zero will be returned. check via hasTangent().
+         */
+        public Vector4 GenerateTangent(Vector3 pt) {
+            // if not set, result will be zero, quick exit
+            if (!m_nor_set) {
+                return Vector4.zero;
+            }
+
+            Vector3 weights = Barycentric(pt);
+
+            return (weights.x * m_tan_a) + (weights.y * m_tan_b) + (weights.z * m_tan_c);
+        }
+
+		/**
+		 * Helper function to split this triangle by the provided plane and store
+		 * the results inside the IntersectionResult structure.
+		 * Returns true on success or false otherwise
+		 */
+		public bool Split(Plane pl, IntersectionResult result) {
+			Intersector.Intersect(pl, this, result);
+
+			return result.isValid;
+		}
+
+		/**
+		 * Check the triangle winding order, if it's Clock Wise or Counter Clock Wise 
+		 */
+		public bool IsCW() {
+            return SignedSquare(m_pos_a, m_pos_b, m_pos_c) >= float.Epsilon;
+		}
+
+		/**
+		 * Returns the Signed square of a given triangle, useful for checking the
+		 * winding order
+		 */
+		public static float SignedSquare(Vector3 a, Vector3 b, Vector3 c) {
+			return (a.x * (b.y * c.z - b.z * c.y) - 
+					a.y * (b.x * c.z - b.z * c.x) + 
+					a.z * (b.x * c.y - b.y * c.x));
+		}
+
+		/**
+		 * Editor only DEBUG functionality. This should not be compiled in the final
+		 * Version.
+		 */
+		public void OnDebugDraw() {
+			OnDebugDraw(Color.white);
+		}
+
+		public void OnDebugDraw(Color drawColor) {
+            #if UNITY_EDITOR
+			Color prevColor = Gizmos.color;
+
+			Gizmos.color = drawColor;
+
+			Gizmos.DrawLine(positionA, positionB);
+			Gizmos.DrawLine(positionB, positionC);
+			Gizmos.DrawLine(positionC, positionA);
+
+			Gizmos.color = prevColor;
+            #endif
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Triangle.cs.meta

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+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Framework/Triangle.cs
+  uploadId: 889948

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Triangulator.cs

@@ -0,0 +1,201 @@
+using System.Collections;
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice {
+
+	/**
+	 * Contains static functionality for performing Triangulation on arbitrary vertices.
+	 * Read the individual function descriptions for specific details.
+	 */
+	public sealed class Triangulator {
+
+		/**
+		 * Represents a 3D Vertex which has been mapped onto a 2D surface
+		 * and is mainly used in MonotoneChain to triangulate a set of vertices
+		 * against a flat plane.
+		 */
+		internal struct Mapped2D {
+			private readonly Vector3 original;
+			private readonly Vector2 mapped;
+
+			public Mapped2D(Vector3 newOriginal, Vector3 u, Vector3 v) {
+				this.original = newOriginal;
+				this.mapped = new Vector2(Vector3.Dot(newOriginal, u), Vector3.Dot(newOriginal, v));
+			}
+
+			public Vector2 mappedValue {
+				get { return this.mapped; }
+			}
+
+			public Vector3 originalValue {
+				get { return this.original; }
+			}
+		}
+
+		/**
+		 * Overloaded variant of MonotoneChain which will calculate UV coordinates of the Triangles
+		 * between 0.0 and 1.0 (default).
+		 * 
+		 * See MonotoneChain(vertices, normal, tri, TextureRegion) for full explanation
+		 */
+		public static bool MonotoneChain(List<Vector3> vertices, Vector3 normal, out List<Triangle> tri) {
+			// default texture region is in coordinates 0,0 to 1,1
+			return MonotoneChain(vertices, normal, out tri, new TextureRegion(0.0f, 0.0f, 1.0f, 1.0f));
+		}
+
+		/**
+		 * O(n log n) Convex Hull Algorithm. 
+		 * Accepts a list of vertices as Vector3 and triangulates them according to a projection
+		 * plane defined as planeNormal. Algorithm will output vertices, indices and UV coordinates
+		 * as arrays
+		 */
+		public static bool MonotoneChain(List<Vector3> vertices, Vector3 normal, out List<Triangle> tri, TextureRegion texRegion) {
+			int count = vertices.Count;
+
+			// we cannot triangulate less than 3 points. Use minimum of 3 points
+			if (count < 3) {
+				tri = null;
+				return false;
+			}
+
+			// first, we map from 3D points into a 2D plane represented by the provided normal
+			Vector3 u = Vector3.Normalize(Vector3.Cross(normal, Vector3.up));
+			if ( Vector3.zero == u)
+			{
+				u = Vector3.Normalize(Vector3.Cross(normal, Vector3.forward));
+			}
+			Vector3 v = Vector3.Cross(u, normal);
+
+			// generate an array of mapped values
+			Mapped2D[] mapped = new Mapped2D[count];
+
+			// these values will be used to generate new UV coordinates later on
+			float maxDivX = float.MinValue;
+			float maxDivY = float.MinValue;
+			float minDivX = float.MaxValue;
+			float minDivY = float.MaxValue;
+
+			// map the 3D vertices into the 2D mapped values
+			for (int i = 0; i < count; i++) {
+				Vector3 vertToAdd = vertices[i];
+
+				Mapped2D newMappedValue = new Mapped2D(vertToAdd, u, v);
+				Vector2 mapVal = newMappedValue.mappedValue;
+
+				// grab our maximal values so we can map UV's in a proper range
+				maxDivX = Mathf.Max(maxDivX, mapVal.x);
+				maxDivY = Mathf.Max(maxDivY, mapVal.y);
+				minDivX = Mathf.Min(minDivX, mapVal.x);
+				minDivY = Mathf.Min(minDivY, mapVal.y);
+
+				mapped[i] = newMappedValue;
+			}
+
+			// sort our newly generated array values
+			Array.Sort<Mapped2D>(mapped, (a, b) =>
+			{
+				Vector2 x = a.mappedValue;
+				Vector2 p = b.mappedValue;
+
+				return (x.x < p.x || (x.x == p.x && x.y < p.y)) ? -1 : 1;
+			});
+
+			// our final hull mappings will end up in here
+			Mapped2D[] hulls = new Mapped2D[count+1];
+
+			int k = 0;
+
+			// build the lower hull of the chain
+			for (int i = 0; i < count; i++) {
+				while (k >= 2) {
+					Vector2 mA = hulls[k - 2].mappedValue;
+					Vector2 mB = hulls[k - 1].mappedValue;
+					Vector2 mC = mapped[i].mappedValue;
+
+					if (Intersector.TriArea2D(mA.x, mA.y, mB.x, mB.y, mC.x, mC.y) > 0.0f) {
+						break;
+					}
+
+					k--;
+				}
+
+				hulls[k++] = mapped[i];
+			}
+
+			// build the upper hull of the chain
+			for (int i = count - 2, t = k + 1; i >= 0; i--) {
+				while (k >= t) {
+					Vector2 mA = hulls[k - 2].mappedValue;
+					Vector2 mB = hulls[k - 1].mappedValue;
+					Vector2 mC = mapped[i].mappedValue;
+
+					if (Intersector.TriArea2D(mA.x, mA.y, mB.x, mB.y, mC.x, mC.y) > 0.0f) {
+						break;
+					}
+
+					k--;
+				}
+
+				hulls[k++] = mapped[i];
+			}
+
+			// finally we can build our mesh, generate all the variables
+			// and fill them up
+			int vertCount = k - 1;
+			int triCount = (vertCount - 2) * 3;
+
+			// this should not happen, but here just in case
+			if (vertCount < 3) {
+				tri = null;
+				return false;
+			}
+
+			// ensure List does not dynamically grow, performing copy ops each time!
+			tri = new List<Triangle>(triCount / 3);
+
+			float width = maxDivX - minDivX;
+			float height = maxDivY - minDivY;
+
+			int indexCount = 1;
+
+			// generate both the vertices and uv's in this loop
+			for (int i = 0; i < triCount; i+=3) {
+				// the Vertices in our triangle
+				Mapped2D posA = hulls[0];
+				Mapped2D posB = hulls[indexCount];
+				Mapped2D posC = hulls[indexCount + 1];
+
+				// generate UV Maps
+				Vector2 uvA = posA.mappedValue;
+				Vector2 uvB = posB.mappedValue;
+				Vector2 uvC = posC.mappedValue;
+
+				uvA.x = (uvA.x - minDivX) / width;
+				uvA.y = (uvA.y - minDivY) / height;
+
+				uvB.x = (uvB.x - minDivX) / width;
+				uvB.y = (uvB.y - minDivY) / height;
+
+				uvC.x = (uvC.x - minDivX) / width;
+				uvC.y = (uvC.y - minDivY) / height;
+
+				Triangle newTriangle = new Triangle(posA.originalValue, posB.originalValue, posC.originalValue);
+
+				// ensure our UV coordinates are mapped into the requested TextureRegion
+				newTriangle.SetUV(texRegion.Map(uvA), texRegion.Map(uvB), texRegion.Map(uvC));
+
+				// the normals is the same for all vertices since the final mesh is completly flat
+				newTriangle.SetNormal(normal, normal, normal);
+				newTriangle.ComputeTangents();
+
+				tri.Add(newTriangle);
+
+				indexCount++;
+			}
+
+			return true;
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Framework/Triangulator.cs.meta

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Assets/Game Kit Controller/Integrations/EzySlice/Scripts.meta

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Assets/Game Kit Controller/Integrations/EzySlice/Scripts/Editor.meta

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Assets/Game Kit Controller/Integrations/EzySlice/Scripts/Editor/ShatterExampleEditor.cs

@@ -0,0 +1,48 @@
+using UnityEngine;
+using System.Collections;
+using UnityEditor;
+using EzySlice;
+
+/**
+ * This is a simple Editor helper script for rapid testing/prototyping! 
+ */
+[CustomEditor(typeof(ShatterExample))]
+public class ShatterExampleEditor : Editor {
+    public GameObject source;
+    public Material crossMat;
+    public int slice;
+
+    public override void OnInspectorGUI() {
+        ShatterExample plane = (ShatterExample)target;
+
+        source = (GameObject)EditorGUILayout.ObjectField(source, typeof(GameObject), true);
+
+        if (source == null) {
+            EditorGUILayout.LabelField("Add a GameObject to Shatter.");
+
+            return;
+        }
+
+        if (!source.activeInHierarchy) {
+            EditorGUILayout.LabelField("Object is Hidden. Cannot Slice.");
+
+            return;
+        }
+
+        if (source.GetComponent<MeshFilter>() == null) {
+            EditorGUILayout.LabelField("GameObject must have a MeshFilter.");
+
+            return;
+        }
+
+        crossMat = (Material)EditorGUILayout.ObjectField(crossMat, typeof(Material), true);
+        slice = EditorGUILayout.IntSlider(slice, 1, 20);
+
+        if (GUILayout.Button("Shatter Object")) {
+            if (plane.ShatterObject(source, slice, crossMat)) {
+                source.SetActive(false);
+            }
+        }
+    }
+}
+

Assets/Game Kit Controller/Integrations/EzySlice/Scripts/Editor/ShatterExampleEditor.cs.meta

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Assets/Game Kit Controller/Integrations/EzySlice/Scripts/RuntimeShatterExample.cs

@@ -0,0 +1,68 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using EzySlice;
+
+/**
+ * Represents a really badly written shatter script! use for reference purposes only.
+ */
+public class RuntimeShatterExample : MonoBehaviour {
+
+    public GameObject objectToShatter;
+    public Material crossSectionMaterial;
+
+    public List<GameObject> prevShatters = new List<GameObject>();
+
+    public GameObject[] ShatterObject(GameObject obj, Material crossSectionMaterial = null) {
+        return obj.SliceInstantiate(GetRandomPlane(obj.transform.position, obj.transform.localScale),
+                                                            new TextureRegion(0.0f, 0.0f, 1.0f, 1.0f),
+                                                            crossSectionMaterial);
+    }
+
+    public EzySlice.Plane GetRandomPlane(Vector3 positionOffset, Vector3 scaleOffset) {
+        Vector3 randomPosition = Random.insideUnitSphere;
+
+        //randomPosition += positionOffset;
+
+        Vector3 randomDirection = Random.insideUnitSphere.normalized;
+
+        return new EzySlice.Plane(randomPosition, randomDirection);
+    }
+
+    public void RandomShatter() {
+        if (prevShatters.Count == 0) {
+            GameObject[] shatters = ShatterObject(objectToShatter, crossSectionMaterial);
+
+            if (shatters != null && shatters.Length > 0) {
+                objectToShatter.SetActive(false);
+
+                // add rigidbodies and colliders
+                foreach (GameObject shatteredObject in shatters) {
+                    shatteredObject.AddComponent<MeshCollider>().convex = true;
+                    shatteredObject.AddComponent<Rigidbody>();
+
+                    prevShatters.Add(shatteredObject);
+                }
+            }
+
+            return;
+        }
+
+        // otherwise, shatter the previous shattered objects, randomly picked
+        GameObject randomObject = prevShatters[Random.Range(0, prevShatters.Count - 1)];
+
+        GameObject[] randShatter = ShatterObject(randomObject, crossSectionMaterial);
+
+        if (randShatter != null && randShatter.Length > 0) {
+            randomObject.SetActive(false);
+
+            // add rigidbodies and colliders
+            foreach (GameObject shatteredObject in randShatter) {
+                shatteredObject.AddComponent<MeshCollider>().convex = true;
+                shatteredObject.AddComponent<Rigidbody>();
+
+                prevShatters.Add(shatteredObject);
+            }
+        }
+    }
+}

Assets/Game Kit Controller/Integrations/EzySlice/Scripts/RuntimeShatterExample.cs.meta

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+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Scripts/RuntimeShatterExample.cs
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Assets/Game Kit Controller/Integrations/EzySlice/Scripts/ShatterExample.cs

@@ -0,0 +1,56 @@
+using UnityEngine;
+using System.Collections;
+using EzySlice;
+
+/**
+ * An example fun script to show how a shatter operation can be applied to a GameObject
+ * by repeatedly and randomly slicing an object
+ */
+public class ShatterExample : MonoBehaviour
+{
+
+	/**
+     * This function will slice the provided object by the plane defined in this
+     * GameObject. We use the GameObject this script is attached to define the position
+     * and direction of our cutting Plane. Results are then returned to the user.
+     */
+	public bool ShatterObject (GameObject obj, int iterations, Material crossSectionMaterial = null)
+	{
+		if (iterations > 0) {
+			GameObject[] slices = obj.SliceInstantiate (GetRandomPlane (obj.transform.position, obj.transform.localScale),
+				                               new TextureRegion (0.0f, 0.0f, 1.0f, 1.0f),
+				                               crossSectionMaterial);
+
+			if (slices != null) {
+				// shatter the shattered!
+				for (int i = 0; i < slices.Length; i++) {
+					if (ShatterObject (slices [i], iterations - 1, crossSectionMaterial)) {
+						// delete the parent
+						GameObject.DestroyImmediate (slices [i]);
+					}
+				}
+
+				return true;
+			}
+
+			return ShatterObject (obj, iterations - 1, crossSectionMaterial);
+		}
+
+		return false;
+	}
+
+	/**
+     * Given an offset position and an offset scale, calculate a random plane
+     * which can be used to randomly slice an object
+     */
+	public EzySlice.Plane GetRandomPlane (Vector3 positionOffset, Vector3 scaleOffset)
+	{
+		Vector3 randomPosition = Random.insideUnitSphere;
+
+		randomPosition += positionOffset;
+
+		Vector3 randomDirection = Random.insideUnitSphere.normalized;
+
+		return new EzySlice.Plane (randomPosition, randomDirection);
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Scripts/ShatterExample.cs.meta

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Assets/Game Kit Controller/Integrations/EzySlice/SlicedHull.cs

@@ -0,0 +1,151 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice
+{
+
+	/**
+	 * The final generated data structure from a slice operation. This provides easy access
+	 * to utility functions and the final Mesh data for each section of the HULL.
+	 */
+	public sealed class SlicedHull
+	{
+		private Mesh upper_hull;
+		private Mesh lower_hull;
+
+		public SlicedHull (Mesh upperHull, Mesh lowerHull)
+		{
+			this.upper_hull = upperHull;
+			this.lower_hull = lowerHull;
+		}
+
+		public GameObject CreateUpperHull (GameObject original)
+		{
+			return CreateUpperHull (original, null);
+		}
+
+		public GameObject CreateUpperHull (GameObject original, Material crossSectionMat)
+		{
+			GameObject newObject = CreateUpperHull ();
+
+			if (newObject != null) {
+				newObject.transform.localPosition = original.transform.localPosition;
+				newObject.transform.localRotation = original.transform.localRotation;
+				newObject.transform.localScale = original.transform.localScale;
+
+				Material[] shared = original.GetComponent<MeshRenderer> ().sharedMaterials;
+				Mesh mesh = original.GetComponent<MeshFilter> ().sharedMesh;
+
+				// nothing changed in the hierarchy, the cross section must have been batched
+				// with the submeshes, return as is, no need for any changes
+				if (mesh.subMeshCount == upper_hull.subMeshCount) {
+					// the the material information
+					newObject.GetComponent<Renderer> ().sharedMaterials = shared;
+
+					return newObject;
+				}
+
+				// otherwise the cross section was added to the back of the submesh array because
+				// it uses a different material. We need to take this into account
+				Material[] newShared = new Material[shared.Length + 1];
+
+				// copy our material arrays across using native copy (should be faster than loop)
+				System.Array.Copy (shared, newShared, shared.Length);
+				newShared [shared.Length] = crossSectionMat;
+
+				// the the material information
+				newObject.GetComponent<Renderer> ().sharedMaterials = newShared;
+			}
+
+			return newObject;
+		}
+
+		public GameObject CreateLowerHull (GameObject original)
+		{
+			return CreateLowerHull (original, null);
+		}
+
+		public GameObject CreateLowerHull (GameObject original, Material crossSectionMat)
+		{
+			GameObject newObject = CreateLowerHull ();
+
+			if (newObject != null) {
+				newObject.transform.localPosition = original.transform.localPosition;
+				newObject.transform.localRotation = original.transform.localRotation;
+				newObject.transform.localScale = original.transform.localScale;
+
+				Material[] shared = original.GetComponent<MeshRenderer> ().sharedMaterials;
+				Mesh mesh = original.GetComponent<MeshFilter> ().sharedMesh;
+
+				// nothing changed in the hierarchy, the cross section must have been batched
+				// with the submeshes, return as is, no need for any changes
+				if (mesh.subMeshCount == lower_hull.subMeshCount) {
+					// the the material information
+					newObject.GetComponent<Renderer> ().sharedMaterials = shared;
+
+					return newObject;
+				}
+
+				// otherwise the cross section was added to the back of the submesh array because
+				// it uses a different material. We need to take this into account
+				Material[] newShared = new Material[shared.Length + 1];
+
+				// copy our material arrays across using native copy (should be faster than loop)
+				System.Array.Copy (shared, newShared, shared.Length);
+				newShared [shared.Length] = crossSectionMat;
+
+				// the the material information
+				newObject.GetComponent<Renderer> ().sharedMaterials = newShared;
+			}
+
+			return newObject;
+		}
+
+		/**
+         * Generate a new GameObject from the upper hull of the mesh
+         * This function will return null if upper hull does not exist
+         */
+		public GameObject CreateUpperHull ()
+		{
+			return CreateEmptyObject ("Upper_Hull", upper_hull);
+		}
+
+		/**
+		 * Generate a new GameObject from the Lower hull of the mesh
+		 * This function will return null if lower hull does not exist
+		 */
+		public GameObject CreateLowerHull ()
+		{
+			return CreateEmptyObject ("Lower_Hull", lower_hull);
+		}
+
+		public Mesh upperHull {
+			get { return this.upper_hull; }
+		}
+
+		public Mesh lowerHull {
+			get { return this.lower_hull; }
+		}
+
+		/**
+		 * Helper function which will create a new GameObject to be able to add
+		 * a new mesh for rendering and return.
+		 */
+		private static GameObject CreateEmptyObject (string name, Mesh hull)
+		{
+			if (hull == null) {
+				return null;
+			}
+
+			GameObject newObject = new GameObject (name);
+
+			newObject.AddComponent<MeshRenderer> ();
+			MeshFilter filter = newObject.AddComponent<MeshFilter> ();
+
+			filter.mesh = hull;
+
+			return newObject;
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/SlicedHull.cs.meta

@@ -0,0 +1,19 @@
+fileFormatVersion: 2
+guid: 03a5a8c7a49854e60a93f3503c894543
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 40995
+  packageName: Game Kit Controller - Shooter Melee Adventure FPS TPS Creator 3D +
+    2.5D
+  packageVersion: 3.77h
+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/SlicedHull.cs
+  uploadId: 889948

Assets/Game Kit Controller/Integrations/EzySlice/Slicer.cs

@@ -0,0 +1,478 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace EzySlice
+{
+    
+	/**
+     * Contains methods for slicing GameObjects
+     */
+	public sealed class Slicer
+	{
+
+		/**
+		 * An internal class for storing internal submesh values
+		 */ 
+		internal class SlicedSubmesh
+		{
+			public readonly List<Triangle> upperHull = new List<Triangle> ();
+			public readonly List<Triangle> lowerHull = new List<Triangle> ();
+
+			/**
+             * Check if the submesh has had any UV's added.
+             * NOTE -> This should be supported properly
+             */
+			public bool hasUV {
+				get {
+					// what is this abomination??
+					return upperHull.Count > 0 ? upperHull [0].hasUV : lowerHull.Count > 0 ? lowerHull [0].hasUV : false;
+				}
+			}
+
+			/**
+             * Check if the submesh has had any Normals added.
+             * NOTE -> This should be supported properly
+             */
+			public bool hasNormal {
+				get {
+					// what is this abomination??
+					return upperHull.Count > 0 ? upperHull [0].hasNormal : lowerHull.Count > 0 ? lowerHull [0].hasNormal : false;
+				}
+			}
+
+			/**
+             * Check if the submesh has had any Tangents added.
+             * NOTE -> This should be supported properly
+             */
+			public bool hasTangent {
+				get {
+					// what is this abomination??
+					return upperHull.Count > 0 ? upperHull [0].hasTangent : lowerHull.Count > 0 ? lowerHull [0].hasTangent : false;
+				}
+			}
+
+			/**
+             * Check if proper slicing has occured for this submesh. Slice occured if there
+             * are triangles in both the upper and lower hulls
+             */
+			public bool isValid {
+				get {
+					return upperHull.Count > 0 && lowerHull.Count > 0;
+				}
+			}
+		}
+
+		/**
+		 * Helper function to accept a gameobject which will transform the plane
+		 * approprietly before the slice occurs
+		 * See -> Slice(Mesh, Plane) for more info
+		 */
+		public static SlicedHull Slice (GameObject obj, Plane pl, TextureRegion crossRegion, Material crossMaterial)
+		{
+			MeshFilter filter = obj.GetComponent<MeshFilter> ();
+
+			// cannot continue without a proper filter
+			if (filter == null) {
+				Debug.LogWarning ("EzySlice::Slice -> Provided GameObject must have a MeshFilter Component.");
+
+				return null;
+			}
+
+			MeshRenderer renderer = obj.GetComponent<MeshRenderer> ();
+
+			// cannot continue without a proper renderer
+			if (renderer == null) {
+				Debug.LogWarning ("EzySlice::Slice -> Provided GameObject must have a MeshRenderer Component.");
+
+				return null;
+			}
+
+			Material[] materials = renderer.sharedMaterials;
+
+			Mesh mesh = filter.sharedMesh;
+
+			// cannot slice a mesh that doesn't exist
+			if (mesh == null) {
+				Debug.LogWarning ("EzySlice::Slice -> Provided GameObject must have a Mesh that is not NULL.");
+
+				return null;
+			}
+
+			int submeshCount = mesh.subMeshCount;
+
+			// to make things straightforward, exit without slicing if the materials and mesh
+			// array don't match. This shouldn't happen anyway
+			if (materials.Length != submeshCount) {
+				Debug.LogWarning ("EzySlice::Slice -> Provided Material array must match the length of submeshes.");
+
+				return null;
+			}
+
+			// we need to find the index of the material for the cross section.
+			// default to the end of the array
+			int crossIndex = materials.Length;
+
+			// for cases where the sliced material is null, we will append the cross section to the end
+			// of the submesh array, this is because the application may want to set/change the material
+			// after slicing has occured, so we don't assume anything
+			if (crossMaterial != null) {
+				for (int i = 0; i < crossIndex; i++) {
+					if (materials [i] == crossMaterial) {
+						crossIndex = i;
+						break;
+					}
+				}
+			}
+
+			return Slice (mesh, pl, crossRegion, crossIndex);
+		}
+
+		/**
+		 * Slice the gameobject mesh (if any) using the Plane, which will generate
+		 * a maximum of 2 other Meshes.
+		 * This function will recalculate new UV coordinates to ensure textures are applied
+		 * properly.
+		 * Returns null if no intersection has been found or the GameObject does not contain
+		 * a valid mesh to cut.
+		 */
+		public static SlicedHull Slice (Mesh sharedMesh, Plane pl, TextureRegion region, int crossIndex)
+		{
+			if (sharedMesh == null) {
+				return null;
+			}
+
+			Vector3[] verts = sharedMesh.vertices;
+			Vector2[] uv = sharedMesh.uv;
+			Vector3[] norm = sharedMesh.normals;
+			Vector4[] tan = sharedMesh.tangents;
+
+			int submeshCount = sharedMesh.subMeshCount;
+
+			// each submesh will be sliced and placed in its own array structure
+			SlicedSubmesh[] slices = new SlicedSubmesh[submeshCount];
+			// the cross section hull is common across all submeshes
+			List<Vector3> crossHull = new List<Vector3> ();
+
+			// we reuse this object for all intersection tests
+			IntersectionResult result = new IntersectionResult ();
+
+			// see if we would like to split the mesh using uv, normals and tangents
+			bool genUV = verts.Length == uv.Length;
+			bool genNorm = verts.Length == norm.Length;
+			bool genTan = verts.Length == tan.Length;
+
+			// iterate over all the submeshes individually. vertices and indices
+			// are all shared within the submesh
+			for (int submesh = 0; submesh < submeshCount; submesh++) {
+				int[] indices = sharedMesh.GetTriangles (submesh);
+				int indicesCount = indices.Length;
+
+				SlicedSubmesh mesh = new SlicedSubmesh ();
+
+				// loop through all the mesh vertices, generating upper and lower hulls
+				// and all intersection points
+				for (int index = 0; index < indicesCount; index += 3) {
+					int i0 = indices [index + 0];
+					int i1 = indices [index + 1];
+					int i2 = indices [index + 2];
+
+					Triangle newTri = new Triangle (verts [i0], verts [i1], verts [i2]);
+
+					// generate UV if available
+					if (genUV) {
+						newTri.SetUV (uv [i0], uv [i1], uv [i2]);
+					}
+
+					// generate normals if available
+					if (genNorm) {
+						newTri.SetNormal (norm [i0], norm [i1], norm [i2]);
+					}
+
+					// generate tangents if available
+					if (genTan) {
+						newTri.SetTangent (tan [i0], tan [i1], tan [i2]);
+					}
+
+					// slice this particular triangle with the provided
+					// plane
+					if (newTri.Split (pl, result)) {
+						int upperHullCount = result.upperHullCount;
+						int lowerHullCount = result.lowerHullCount;
+						int interHullCount = result.intersectionPointCount;
+
+						for (int i = 0; i < upperHullCount; i++) {
+							mesh.upperHull.Add (result.upperHull [i]);
+						}
+
+						for (int i = 0; i < lowerHullCount; i++) {
+							mesh.lowerHull.Add (result.lowerHull [i]);
+						}
+
+						for (int i = 0; i < interHullCount; i++) {
+							crossHull.Add (result.intersectionPoints [i]);
+						}
+					} else {
+						SideOfPlane side = pl.SideOf (verts [i0]);
+
+						if (side == SideOfPlane.UP || side == SideOfPlane.ON) {
+							mesh.upperHull.Add (newTri);
+						} else {
+							mesh.lowerHull.Add (newTri);
+						}
+					}
+				}
+
+				// register into the index
+				slices [submesh] = mesh;
+			}
+
+			// check if slicing actually occured
+			for (int i = 0; i < slices.Length; i++) {
+				// check if at least one of the submeshes was sliced. If so, stop checking
+				// because we need to go through the generation step
+				if (slices [i] != null && slices [i].isValid) {
+					return CreateFrom (slices, CreateFrom (crossHull, pl.normal, region), crossIndex);
+				}
+			}
+
+			// no slicing occured, just return null to signify
+			return null;
+		}
+
+		/**
+		 * Generates a single SlicedHull from a set of cut submeshes 
+		 */
+		private static SlicedHull CreateFrom (SlicedSubmesh[] meshes, List<Triangle> cross, int crossSectionIndex)
+		{
+			int submeshCount = meshes.Length;
+
+			int upperHullCount = 0;
+			int lowerHullCount = 0;
+
+			// get the total amount of upper, lower and intersection counts
+			for (int submesh = 0; submesh < submeshCount; submesh++) {
+				upperHullCount += meshes [submesh].upperHull.Count;
+				lowerHullCount += meshes [submesh].lowerHull.Count;
+			}
+
+			Mesh upperHull = CreateUpperHull (meshes, upperHullCount, cross, crossSectionIndex);
+			Mesh lowerHull = CreateLowerHull (meshes, lowerHullCount, cross, crossSectionIndex);
+
+			return new SlicedHull (upperHull, lowerHull);
+		}
+
+		private static Mesh CreateUpperHull (SlicedSubmesh[] mesh, int total, List<Triangle> crossSection, int crossSectionIndex)
+		{
+			return CreateHull (mesh, total, crossSection, crossSectionIndex, true);
+		}
+
+		private static Mesh CreateLowerHull (SlicedSubmesh[] mesh, int total, List<Triangle> crossSection, int crossSectionIndex)
+		{
+			return CreateHull (mesh, total, crossSection, crossSectionIndex, false);
+		}
+
+		/**
+		 * Generate a single Mesh HULL of either the UPPER or LOWER hulls. 
+		 */
+		private static Mesh CreateHull (SlicedSubmesh[] meshes, int total, List<Triangle> crossSection, int crossIndex, bool isUpper)
+		{
+			if (total <= 0) {
+				return null;
+			}
+
+			int submeshCount = meshes.Length;
+			int crossCount = crossSection != null ? crossSection.Count : 0;
+
+			Mesh newMesh = new Mesh ();
+
+			int arrayLen = (total + crossCount) * 3;
+
+			bool hasUV = meshes [0].hasUV;
+			bool hasNormal = meshes [0].hasNormal;
+			bool hasTangent = meshes [0].hasTangent;
+
+			// vertices and uv's are common for all submeshes
+			Vector3[] newVertices = new Vector3[arrayLen];
+			Vector2[] newUvs = hasUV ? new Vector2[arrayLen] : null;
+			Vector3[] newNormals = hasNormal ? new Vector3[arrayLen] : null;
+			Vector4[] newTangents = hasTangent ? new Vector4[arrayLen] : null;
+
+			// each index refers to our submesh triangles
+			List<int[]> triangles = new List<int[]> (submeshCount);
+
+			int vIndex = 0;
+
+			// first we generate all our vertices, uv's and triangles
+			for (int submesh = 0; submesh < submeshCount; submesh++) {
+				// pick the hull we will be playing around with
+				List<Triangle> hull = isUpper ? meshes [submesh].upperHull : meshes [submesh].lowerHull;
+				int hullCount = hull.Count;
+
+				int[] indices = new int[hullCount * 3];
+
+				// fill our mesh arrays
+				for (int i = 0, triIndex = 0; i < hullCount; i++, triIndex += 3) {
+					Triangle newTri = hull [i];
+
+					int i0 = vIndex + 0;
+					int i1 = vIndex + 1;
+					int i2 = vIndex + 2;
+
+					// add the vertices
+					newVertices [i0] = newTri.positionA;
+					newVertices [i1] = newTri.positionB;
+					newVertices [i2] = newTri.positionC;
+
+					// add the UV coordinates if any
+					if (hasUV) {
+						newUvs [i0] = newTri.uvA;
+						newUvs [i1] = newTri.uvB;
+						newUvs [i2] = newTri.uvC;
+					}
+
+					// add the Normals if any
+					if (hasNormal) {
+						newNormals [i0] = newTri.normalA;
+						newNormals [i1] = newTri.normalB;
+						newNormals [i2] = newTri.normalC;
+					}
+
+					// add the Tangents if any
+					if (hasTangent) {
+						newTangents [i0] = newTri.tangentA;
+						newTangents [i1] = newTri.tangentB;
+						newTangents [i2] = newTri.tangentC;
+					}
+
+					// triangles are returned in clocwise order from the
+					// intersector, no need to sort these
+					indices [triIndex] = i0;
+					indices [triIndex + 1] = i1;
+					indices [triIndex + 2] = i2;
+
+					vIndex += 3;
+				}
+
+				// add triangles to the index for later generation
+				triangles.Add (indices);
+			}
+
+			// generate the cross section required for this particular hull
+			if (crossSection != null && crossCount > 0) {
+				int[] crossIndices = new int[crossCount * 3];
+
+				for (int i = 0, triIndex = 0; i < crossCount; i++, triIndex += 3) {
+					Triangle newTri = crossSection [i];
+
+					int i0 = vIndex + 0;
+					int i1 = vIndex + 1;
+					int i2 = vIndex + 2;
+
+					// add the vertices
+					newVertices [i0] = newTri.positionA;
+					newVertices [i1] = newTri.positionB;
+					newVertices [i2] = newTri.positionC;
+
+					// add the UV coordinates if any
+					if (hasUV) {
+						newUvs [i0] = newTri.uvA;
+						newUvs [i1] = newTri.uvB;
+						newUvs [i2] = newTri.uvC;
+					}
+
+					// add the Normals if any
+					if (hasNormal) {
+						// invert the normals dependiong on upper or lower hull
+						if (isUpper) {
+							newNormals [i0] = -newTri.normalA;
+							newNormals [i1] = -newTri.normalB;
+							newNormals [i2] = -newTri.normalC;
+						} else {
+							newNormals [i0] = newTri.normalA;
+							newNormals [i1] = newTri.normalB;
+							newNormals [i2] = newTri.normalC;
+						}
+					}
+
+					// add the Tangents if any
+					if (hasTangent) {
+						newTangents [i0] = newTri.tangentA;
+						newTangents [i1] = newTri.tangentB;
+						newTangents [i2] = newTri.tangentC;
+					}
+
+					// add triangles in clockwise for upper
+					// and reversed for lower hulls, to ensure the mesh
+					// is facing the right direction
+					if (isUpper) {
+						crossIndices [triIndex] = i0;
+						crossIndices [triIndex + 1] = i1;
+						crossIndices [triIndex + 2] = i2;
+					} else {
+						crossIndices [triIndex] = i0;
+						crossIndices [triIndex + 1] = i2;
+						crossIndices [triIndex + 2] = i1;
+					}
+
+					vIndex += 3;
+				}
+
+				// add triangles to the index for later generation
+				if (triangles.Count <= crossIndex) {
+					triangles.Add (crossIndices);
+				} else {
+					// otherwise, we need to merge the triangles for the provided subsection
+					int[] prevTriangles = triangles [crossIndex];
+					int[] merged = new int[prevTriangles.Length + crossIndices.Length];
+
+					System.Array.Copy (prevTriangles, merged, prevTriangles.Length);
+					System.Array.Copy (crossIndices, 0, merged, prevTriangles.Length, crossIndices.Length);
+
+					// replace the previous array with the new merged array
+					triangles [crossIndex] = merged;
+				}
+			}
+
+			int totalTriangles = triangles.Count;
+
+			newMesh.subMeshCount = totalTriangles;
+			// fill the mesh structure
+			newMesh.vertices = newVertices;
+
+			if (hasUV) {
+				newMesh.uv = newUvs;
+			}
+
+			if (hasNormal) {
+				newMesh.normals = newNormals;
+			}
+
+			if (hasTangent) {
+				newMesh.tangents = newTangents;
+			}
+
+			// add the submeshes
+			for (int i = 0; i < totalTriangles; i++) {
+				newMesh.SetTriangles (triangles [i], i, false);
+			}
+
+			return newMesh;
+		}
+
+		/**
+		 * Generate Two Meshes (an upper and lower) cross section from a set of intersection
+		 * points and a plane normal. Intersection Points do not have to be in order.
+		 */
+		private static List<Triangle> CreateFrom (List<Vector3> intPoints, Vector3 planeNormal, TextureRegion region)
+		{
+			List<Triangle> tris;
+
+			if (Triangulator.MonotoneChain (intPoints, planeNormal, out tris, region)) {
+				return tris;
+			}
+
+			return null;
+		}
+	}
+}

Assets/Game Kit Controller/Integrations/EzySlice/Slicer.cs.meta

@@ -0,0 +1,19 @@
+fileFormatVersion: 2
+guid: 2b66cc51891b94dc8b74d99376095d10
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 40995
+  packageName: Game Kit Controller - Shooter Melee Adventure FPS TPS Creator 3D +
+    2.5D
+  packageVersion: 3.77h
+  assetPath: Assets/Game Kit Controller/Integrations/EzySlice/Slicer.cs
+  uploadId: 889948

Assets/Game Kit Controller/Integrations/EzySlice/SlicerExtensions.cs

@@ -0,0 +1,101 @@
+using UnityEngine;
+using System.Collections;
+
+namespace EzySlice
+{
+	/**
+     * Define Extension methods for easy access to slicer functionality
+     */
+	public static class SlicerExtensions
+	{
+        
+		/**
+         * SlicedHull Return functions and appropriate overrides!
+         */
+		public static SlicedHull Slice (this GameObject obj, Plane pl, Material crossSectionMaterial = null)
+		{
+			return Slice (obj, pl, new TextureRegion (0.0f, 0.0f, 1.0f, 1.0f), crossSectionMaterial);
+		}
+
+		public static SlicedHull SliceObject (this GameObject obj, Vector3 position, Vector3 direction, Material crossSectionMaterial = null)
+		{
+			return Slice (obj, position, direction, new TextureRegion (0.0f, 0.0f, 1.0f, 1.0f), crossSectionMaterial);
+		}
+
+		public static SlicedHull Slice (this GameObject obj, Vector3 position, Vector3 direction, TextureRegion textureRegion, Material crossSectionMaterial = null)
+		{
+			Plane cuttingPlane = new Plane ();
+
+			Vector3 refUp = obj.transform.InverseTransformDirection (direction);
+			Vector3 refPt = obj.transform.InverseTransformPoint (position);
+
+			cuttingPlane.Compute (refPt, refUp);
+
+			return Slice (obj, cuttingPlane, textureRegion, crossSectionMaterial);
+		}
+
+		public static SlicedHull Slice (this GameObject obj, Plane pl, TextureRegion textureRegion, Material crossSectionMaterial = null)
+		{
+			return Slicer.Slice (obj, pl, textureRegion, crossSectionMaterial);
+		}
+
+		/**
+         * These functions (and overrides) will return the final indtaniated GameObjects types
+         */
+		public static GameObject[] SliceInstantiate (this GameObject obj, Plane pl)
+		{
+			return SliceInstantiate (obj, pl, new TextureRegion (0.0f, 0.0f, 1.0f, 1.0f));
+		}
+
+		public static GameObject[] SliceInstantiate (this GameObject obj, Vector3 position, Vector3 direction)
+		{
+			return SliceInstantiate (obj, position, direction, null);
+		}
+
+		public static GameObject[] SliceInstantiate (this GameObject obj, Vector3 position, Vector3 direction, Material crossSectionMat)
+		{
+			return SliceInstantiate (obj, position, direction, new TextureRegion (0.0f, 0.0f, 1.0f, 1.0f), crossSectionMat);
+		}
+
+		public static GameObject[] SliceInstantiate (this GameObject obj, Vector3 position, Vector3 direction, TextureRegion cuttingRegion, Material crossSectionMaterial = null)
+		{
+			EzySlice.Plane cuttingPlane = new EzySlice.Plane ();
+
+			Vector3 refUp = obj.transform.InverseTransformDirection (direction);
+			Vector3 refPt = obj.transform.InverseTransformPoint (position);
+
+			cuttingPlane.Compute (refPt, refUp);
+
+			return SliceInstantiate (obj, cuttingPlane, cuttingRegion, crossSectionMaterial);
+		}
+
+		public static GameObject[] SliceInstantiate (this GameObject obj, Plane pl, TextureRegion cuttingRegion, Material crossSectionMaterial = null)
+		{
+			SlicedHull slice = Slicer.Slice (obj, pl, cuttingRegion, crossSectionMaterial);
+
+			if (slice == null) {
+				return null;
+			}
+
+			GameObject upperHull = slice.CreateUpperHull (obj, crossSectionMaterial);
+			GameObject lowerHull = slice.CreateLowerHull (obj, crossSectionMaterial);
+
+			if (upperHull != null && lowerHull != null) {
+				return new GameObject[] { upperHull, lowerHull };
+			}
+
+			// otherwise return only the upper hull
+			if (upperHull != null) {
+				return new GameObject[] { upperHull };
+			}
+
+			// otherwise return only the lower hull
+			if (lowerHull != null) {
+				return new GameObject[] { lowerHull };
+			}
+
+			// nothing to return, so return nothing!
+			return null;
+		}
+	}
+}

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