add some extra assets FX and SFX

Assets/Game Kit Controller/Scripts/PickUps/crate.cs

@@ -27,7 +27,9 @@ public class crate : MonoBehaviour
 	public bool useCustomShader;
 	public Shader customShader;
 
-	[Space]
+    public string colorPropertyName = "_Color";
+
+    [Space]
 	[Header ("Debug")]
 	[Space]
 
@@ -54,8 +56,10 @@ public class crate : MonoBehaviour
 
 	Coroutine mainCoroutine;
 
+    int colorID;
 
-	private void InitializeAudioElements ()
+
+    private void InitializeAudioElements ()
 	{
 		if (brokenSound != null) {
 			brokenAudioElement.clip = brokenSound;
@@ -96,15 +100,19 @@ public class crate : MonoBehaviour
 					for (i = 0; i < rendererPartsCount; i++) {
 						currentMaterial = rendererParts [i];
 
-						Color alpha = currentMaterial.color;
-						alpha.a -= Time.deltaTime / 5;
-						currentMaterial.color = alpha;
+                        if (currentMaterial.HasProperty (colorID)) {
+                            Color alpha = currentMaterial.GetColor (colorID);
 
-						//once the alpha is 0, remove the gameObject
-						if (currentMaterial.color.a > 0) {
-							allPiecesFaded = false;
-						}
-					}
+                            alpha.a -= Time.deltaTime / 5;
+
+                            currentMaterial.SetColor (colorID, alpha);
+
+                            //once the alpha is 0, remove the gameObject
+                            if (alpha.a > 0) {
+                                allPiecesFaded = false;
+                            }
+                        }
+                    }
 
 					if (allPiecesFaded) {
 						Destroy (gameObject);
@@ -148,7 +156,11 @@ public class crate : MonoBehaviour
 					transparentShader = Shader.Find (defaultShaderName);
 				}
 			}
-		}
+
+            if (fadeBrokenPieces) {
+                colorID = Shader.PropertyToID (colorPropertyName);
+            }
+        }
 			
 		Component[] components = brokenCrateClone.GetComponentsInChildren (typeof(MeshRenderer));