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62 lines
1.8 KiB
Plaintext
62 lines
1.8 KiB
Plaintext
Shader "Custom/Terrain"
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{
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Properties {
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_Color ("Color", Color) = (1,1,1,1)
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_BlendMin("BlendMin", Range(0,1)) = 0.5
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_BlendMax("BlendMax", Range(0,1)) = 0.6
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_MainTex ("MainTexture", 2D) = "white" {}
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_MudTex ("Mud", 2D) = "white" {}
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_GrassTex ("Grass", 2D) = "white" {}
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_NoiseTex ("Noise", 2D) = "white" {}
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}
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SubShader {
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Tags { "RenderType" = "Opaque" }
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CGPROGRAM
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#pragma surface surf Lambert
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#pragma target 3.0
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sampler2D _MainTex;
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fixed4 _Color;
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fixed _BlendMin;
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fixed _BlendMax;
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sampler2D _MudTex;
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sampler2D _GrassTex;
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sampler2D _NoiseTex;
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struct Input
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{
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float2 uv_MainTex;
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float2 uv_MudTex;
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float2 uv_GrassTex;
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float2 uv_NoiseTex;
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};
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void surf (Input IN, inout SurfaceOutput o) {
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fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
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fixed4 mud = tex2D(_MudTex, IN.uv_MudTex);
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fixed4 grass = tex2D(_GrassTex, IN.uv_GrassTex);
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fixed2 uvNoise = IN.uv_NoiseTex;
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uvNoise.x += 0.01*_Time.y;
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fixed4 noise = tex2D(_NoiseTex, uvNoise);
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fixed3 col =float3(1,1,1);
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if(c.r<_BlendMin){
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col=grass.rgb;
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}
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else if(c.r>_BlendMax){
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col=mud.rgb;
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}
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else{
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col = lerp(grass.rgb, mud.rgb,(c.r-_BlendMin)/(_BlendMax-_BlendMin));
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}
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if(noise.r<0.5){
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col *=noise*2;
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}
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o.Albedo = col;
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o.Alpha = c.a;
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}
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ENDCG
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}
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FallBack "Diffuse"
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} |