ParabolicMatcapASE_Template.shader

Shader /*ase_name*/ "Leegoonz/ASETemplateShaders/ParabolicMatcap" /*end*/
{
	Properties
	{
		_FrontParaboloid ("_FrontParaboloid", 2D) = "white" { }
		_RearParaboloid ("_RearParaboloid", 2D) = "white" { }
		/*ase_props*/
	}
	
	SubShader
	{
		Tags { "RenderType"="Opaque" "LightMode" = "ForwardBase" /*ase_tags*/}
		LOD 100
		Cull Off
		/*ase_pass*/

		Pass
		{
			CGPROGRAM
			#pragma target 3.0 
			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
			/*ase_pragma*/

			struct appdata
			{
				float4 vertex : POSITION;
				float3 normal : NORMAL;	
				float4 texcoord : TEXCOORD0;
				float4 texcoord1 : TEXCOORD1;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				/*ase_vdata:p=p;uv0=tc0.xy;uv1=tc1.xy*/
			};
			
			struct v2f
			{
				float4 vertex : SV_POSITION;
				float4 texcoord : TEXCOORD0;
				float3 worldNormal : TEXCOORD1;
				UNITY_VERTEX_OUTPUT_STEREO
				/*ase_interp(1,7):sp=sp.xyzw;uv0=tc0.xy;uv1=tc0.zw*/
			};

			
			uniform fixed4 _Color;
			uniform sampler2D _FrontParaboloid;
			uniform sampler2D _RearParaboloid;
			/*ase_globals*/
			
			v2f vert ( appdata v /*ase_vert_input*/)
			{
				v2f o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
				o.texcoord.xy = v.texcoord.xy;
				o.texcoord.zw = v.texcoord1.xy;
				
				// ase common template code
				/*ase_vert_code:v=appdata;o=v2f*/
				
				v.vertex.xyz += /*ase_vert_out:Local Vertex;Float3*/ float3(0,0,0) /*end*/;
				o.vertex = UnityObjectToClipPos(v.vertex);
				o.worldNormal = normalize(mul((float3x3)unity_ObjectToWorld, v.normal));
				return o;
			}

			inline fixed4 texParaboloidXFliped(sampler2D front, sampler2D back, float3 refl)
			{
				if (refl.x > 0)
				{
					float2 frontUv;
					frontUv.x = refl.z / (refl.x + 1);
					frontUv.y = refl.y / (refl.x + 1);
					frontUv = (frontUv * .5f) + 0.5f;
		
					frontUv.x = 1 - frontUv.x;

					return tex2D(front, frontUv);
				}
				else
				{
					float2 backUv;
					backUv.x = refl.z / (1 - refl.x);
					backUv.x *= -1;
					backUv.y = refl.y / (1 - refl.x);
					backUv = (backUv * .5f) + 0.5f;
	
					backUv.x = backUv.x;
		
					return tex2D(back, backUv);
				}
			}
			
			fixed4 frag (v2f i /*ase_frag_input*/) : SV_Target
			{
				fixed4 parabolicOut;
				// ase common template code
				/*ase_frag_code:i=v2f*/
				
				parabolicOut = /*ase_frag_out:Albedo Color;Float4*/float4(1,1,1,1)/*end*/;
				//return myColorVar;
				return parabolicOut * texParaboloidXFliped(_FrontParaboloid, _RearParaboloid, i.worldNormal);;
			}
			ENDCG
		}
	}
	CustomEditor "ASEMaterialInspector"
}