HussienX72u
57 lines
1.2 KiB
Plaintext
57 lines
1.2 KiB
Plaintext
Shader "GradientSkybox/Linear/Three Color" {
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Properties {
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_TopColor ("Top Color", Color) = (1, 0.3, 0.3, 0)
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_MiddleColor ("MiddleColor", Color) = (1.0, 1.0, 0.8)
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_BottomColor ("Bottom Color", Color) = (0.3, 0.3, 1, 0)
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_Up ("Up", Vector) = (0, 1, 0)
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_Exp ("Exp", Range(0, 16)) = 1
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}
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SubShader {
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Tags {
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"RenderType" = "Background"
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"Queue" = "Background"
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"PreviewType" = "Skybox"
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}
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Pass {
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ZWrite Off
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Cull Off
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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fixed3 _TopColor, _BottomColor, _MiddleColor;
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float3 _Up;
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float _Exp;
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struct appdata {
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float4 vertex : POSITION;
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float3 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float3 texcoord : TEXCOORD0;
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};
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v2f vert (appdata v) {
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.texcoord = v.texcoord;
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return o;
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}
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fixed4 frag (v2f i) : SV_TARGET {
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float3 texcoord = normalize(i.texcoord);
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float3 up = normalize(_Up);
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float d = dot(texcoord, up);
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float s = sign(d);
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return fixed4(lerp(_MiddleColor, s < 0.0 ? _BottomColor : _TopColor, pow(abs(d), _Exp)), 1);
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}
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ENDCG
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}
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}
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CustomEditor "GradientSkybox.LinearThreeColorGradientSkyboxGUI"
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} |