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72 lines
1.4 KiB
72 lines
1.4 KiB
// UNITY_SHADER_NO_UPGRADE
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Shader "Custom/TransparentFresnel"
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{
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Properties{
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_Color("Rim Color", Color) = (0.5,0.5,0.5,0.5)
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_FPOW("FPOW Fresnel", Float) = 5.0
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_R0("R0 Fresnel", Float) = 0.05
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_MainTex("Bumpmap", 2D) = "bump" {}
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}
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Category{
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Tags{ "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
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Blend SrcAlpha OneMinusSrcAlpha
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ZWrite On
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SubShader{
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Pass{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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fixed4 _Color;
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float _FPOW;
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float _R0;
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struct appdata_t {
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float4 vertex : POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float3 normal : NORMAL;
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};
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struct v2f {
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float4 vertex : POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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float4 _MainTex_ST;
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v2f vert(appdata_t v)
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{
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v2f o;
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#if UNITY_VERSION >= 560
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o.vertex = UnityObjectToClipPos(v.vertex);
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#else
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o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
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#endif
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
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float3 viewDir = normalize(ObjSpaceViewDir(v.vertex));
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half fresnel = saturate(1.0 - dot(v.normal, viewDir));
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fresnel = pow(fresnel, _FPOW);
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fresnel = _R0 + (1.0 - _R0) * fresnel;
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o.color *= fresnel;
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return o;
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}
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fixed4 frag(v2f i) : COLOR
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{
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return 2.0f * i.color * _Color * tex2D(_MainTex, i.texcoord);
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}
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ENDCG
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}
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}
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}
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}
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