UnityShaderBook/Assets/Shaders/Extra/TestClipShader.shader

Shader "Unlit/TestClipShader"
{
	Properties
	{
		_MainTex ("Texture", 2D) = "white" {}
		_CutOutTex("Cut Tex", 2D) = "white" {}
		_CutOutValueX("Cut Value X",Float) = 1.0
		_CutOutValueY("Cut Value Y",Float) = 1.0
		_CutOutValueZ("Cut Value Z",Float) = 1.0
		_CutOutColor("Cut Color",COLOR) = (1,1,1,1)
		_CutOutStrength("Cut Strength",Range(0.5,10.0)) = 1.0
	}
	SubShader
	{
		Tags { "RenderType"="Opaque" }
		LOD 100

		Pass
		{
			Cull Off
			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;
				float4 scrPos : TEXCOORD1;
				float4 srcVertex : TEXCOORD2;
			};

			sampler2D _MainTex;
			sampler2D _CutOutTex;
			float4 _MainTex_ST;
			float _CutOutValueX;
			float _CutOutValueY;
			float _CutOutValueZ;
			fixed4 _CutOutColor;
			float _CutOutStrength;
			
			v2f vert (appdata v)
			{
				v2f o;
				//o.vertex = v.vertex;
				o.vertex = UnityObjectToClipPos(v.vertex);
				o.vertex = float4(o.vertex.x,o.vertex.y,o.vertex.z,o.vertex.w);
				o.srcVertex = v.vertex;
				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
				o.scrPos = ComputeScreenPos(o.vertex);
				return o;
			}
			
			fixed4 frag (v2f i) : SV_Target
			{
				// sample the texture
				fixed4 col = tex2D(_MainTex, i.uv);
				fixed4 secondTex = tex2D(_CutOutTex,i.uv);
				//float clipData = _CutOutValueX-i.srcVertex.x+secondTex.r/5;
				//clip(clipData);
				float clipData = _CutOutValueY-i.srcVertex.y+secondTex.r/5;
				clip(clipData);
				//clipData = _CutOutValueZ-i.srcVertex.z+secondTex.r/5;
				//clip(clipData);
				col = col + fixed4(clamp(_CutOutColor.rgb*(0.3-clipData)*_CutOutStrength,0,1),1);
				return col;
			}
			ENDCG
		}
	}
}