Add shaders

Sources/Shaders/Debug Flowmap UV4.shader

@@ -0,0 +1,38 @@
+Shader "NatureManufacture Shaders/Debug/FlowMapUV4" {
+SubShader {
+    Pass {
+        CGPROGRAM
+        #pragma vertex vert
+        #pragma fragment frag
+        #include "UnityCG.cginc"
+
+        // vertex input: position, second UV
+        struct appdata {
+            float4 vertex : POSITION;
+            float4 texcoord3 : TEXCOORD3;
+        };
+
+        struct v2f {
+            float4 pos : SV_POSITION;
+            float4 uv : TEXCOORD0;
+        };
+        
+        v2f vert (appdata v) {
+            v2f o;
+            o.pos = UnityObjectToClipPos(v.vertex );
+            o.uv = float4( v.texcoord3.xy, 0, 0 );
+            return o;
+        }
+        
+        half4 frag( v2f i ) : SV_Target {
+
+        	float4 c = float4((i.uv.x+1)*0.5,(i.uv.y+1)*0.5,0,1);
+        	//float4 c = float4(0,i.uv.y,0,1);
+         	
+
+            return c;
+        }
+        ENDCG
+    }
+}
+}