add ckg

plantilla base para movimiento básico

Assets/Game Kit Controller/Shaders/Camera Effects/Night Vision.shader

@@ -0,0 +1,71 @@
+Shader "Custom/Night Vision" {
+	 Properties
+	{
+		_Color("Color", Color) = (0,1,0,1)
+		_MainTex ("Texture", 2D) = "white" {}
+		_Range("Range", Float) = 0.01
+		_ColorMultiplier("Color Multiplier", Float) = 1
+		_ColorMask("Color Mask", 2D) = "white" {}
+	}
+	SubShader
+	{
+		// No culling or depth
+		Cull Off ZWrite Off ZTest Always
+
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				float4 vertex : SV_POSITION;
+				float2 uv_depth : TEXCOORD1;
+			};
+
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = v.uv;
+				o.uv_depth = v.uv;
+				return o;
+			}
+
+			sampler2D _MainTex;
+			sampler2D _ColorMask;
+			sampler2D_float _CameraDepthTexture;
+			float _Range;
+			float _ColorMultiplier;
+			fixed4 _Color;
+
+			fixed lum(fixed3 color) {
+				//Source: http://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color
+				return 0.299*color.r + 0.587*color.g + 0.114*color.b;
+			}
+
+			fixed4 frag (v2f i) : SV_Target
+			{
+				float depth = DecodeFloatRG(tex2D(_CameraDepthTexture, i.uv));
+				float linearDepth = Linear01Depth(depth); // 1 is close, 0 is far after being flipped
+				linearDepth = max(0, (_Range - linearDepth) / _Range);
+				fixed4 col = tex2D(_MainTex, i.uv);
+				fixed4 mask = tex2D(_ColorMask, i.uv);
+				// just invert the colors
+				fixed color = (lum(col) * _ColorMultiplier) + linearDepth;
+				return _Color * color  * mask;
+			}
+			ENDCG
+		}
+	}
+	}