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232 lines
4.8 KiB
232 lines
4.8 KiB
Shader "Hidden/LinearMaterial"
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{
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Properties
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{
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_MainTex( "Texture", any ) = "" {}
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_BackGround( "Back", 2D) = "white" {}
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}
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SubShader
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{
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Lighting Off
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Blend SrcAlpha OneMinusSrcAlpha
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Cull Off
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ZWrite Off
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ZTest Always
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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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#pragma target 2.0
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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uniform float4 _MainTex_ST;
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float4 _Mask;
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uniform float4x4 unity_GUIClipTextureMatrix;
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sampler2D _GUIClipTexture;
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struct appdata_t {
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float4 vertex : POSITION;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float2 texcoord : TEXCOORD0;
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float2 clipUV : TEXCOORD1;
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};
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v2f vert( appdata_t v )
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{
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v2f o;
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o.vertex = UnityObjectToClipPos( v.vertex );
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o.texcoord = TRANSFORM_TEX( v.texcoord.xy, _MainTex );
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float3 eyePos = UnityObjectToViewPos( v.vertex );
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o.clipUV = mul( unity_GUIClipTextureMatrix, float4( eyePos.xy, 0, 1.0 ) );
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return o;
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}
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fixed4 frag( v2f i ) : SV_Target
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{
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float4 c = tex2D( _MainTex, i.texcoord );
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c.rgb *= _Mask.rgb;
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c.a = tex2D( _GUIClipTexture, i.clipUV ).a;
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return c;
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}
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ENDCG
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}
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Pass { // sphere preview = true, alpha mask = false
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 2.0
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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uniform float4 _MainTex_ST;
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float _InvertedZoom;
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float4 _Mask;
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uniform float4x4 unity_GUIClipTextureMatrix;
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sampler2D _GUIClipTexture;
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struct appdata_t {
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float4 vertex : POSITION;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float2 texcoord : TEXCOORD0;
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float2 clipUV : TEXCOORD1;
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};
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v2f vert( appdata_t v )
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{
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v2f o;
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o.vertex = UnityObjectToClipPos( v.vertex );
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o.texcoord = TRANSFORM_TEX( v.texcoord.xy, _MainTex );
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float3 eyePos = UnityObjectToViewPos( v.vertex );
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o.clipUV = mul( unity_GUIClipTextureMatrix, float4( eyePos.xy, 0, 1.0 ) );
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return o;
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}
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fixed4 frag( v2f i ) : SV_Target
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{
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float2 p = 2 * i.texcoord - 1;
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float r = sqrt( dot( p,p ) );
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float alpha = saturate( ( 1 - r )*( 45 * _InvertedZoom + 5 ) );
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float4 c = tex2D( _MainTex, i.texcoord );
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c.rgb *= _Mask.rgb;
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c.rgb *= alpha;
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c.a = tex2D( _GUIClipTexture, i.clipUV ).a;
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return c;
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}
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ENDCG
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}
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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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#pragma target 2.0
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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sampler2D _BackGround;
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uniform float4 _MainTex_ST;
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uniform float4 _BackGround_ST;
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float _InvertedZoom;
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float4 _Mask;
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uniform float4x4 unity_GUIClipTextureMatrix;
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sampler2D _GUIClipTexture;
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struct appdata_t {
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float4 vertex : POSITION;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float2 texcoord : TEXCOORD0;
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float2 clipUV : TEXCOORD1;
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};
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v2f vert( appdata_t v )
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{
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v2f o;
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o.vertex = UnityObjectToClipPos( v.vertex );
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o.texcoord = TRANSFORM_TEX( v.texcoord.xy, _MainTex );
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float3 eyePos = UnityObjectToViewPos( v.vertex );
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o.clipUV = mul( unity_GUIClipTextureMatrix, float4( eyePos.xy, 0, 1.0 ) );
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return o;
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}
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fixed4 frag( v2f i ) : SV_Target
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{
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float3 back = tex2D( _BackGround, ( i.texcoord * 2 - 1 ) * _InvertedZoom).b;
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float4 c = tex2D( _MainTex, i.texcoord );
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c.rgb *= _Mask.rgb;
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c.rgb = lerp( back, c.rgb, c.a );
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c.a = tex2D( _GUIClipTexture, i.clipUV ).a;
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return c;
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}
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ENDCG
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}
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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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#pragma target 2.0
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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sampler2D _BackGround;
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uniform float4 _MainTex_ST;
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uniform float4 _BackGround_ST;
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float _InvertedZoom;
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float4 _Mask;
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uniform float4x4 unity_GUIClipTextureMatrix;
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sampler2D _GUIClipTexture;
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struct appdata_t {
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float4 vertex : POSITION;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float2 texcoord : TEXCOORD0;
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float2 clipUV : TEXCOORD1;
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};
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v2f vert( appdata_t v )
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{
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v2f o;
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o.vertex = UnityObjectToClipPos( v.vertex );
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o.texcoord = TRANSFORM_TEX( v.texcoord.xy, _MainTex );
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float3 eyePos = UnityObjectToViewPos( v.vertex );
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o.clipUV = mul( unity_GUIClipTextureMatrix, float4( eyePos.xy, 0, 1.0 ) );
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return o;
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}
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fixed4 frag( v2f i ) : SV_Target
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{
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float2 p = 2 * i.texcoord - 1;
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float3 back = tex2D( _BackGround, p * _InvertedZoom).b;
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float r = sqrt( dot( p,p ) );
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float alpha = saturate( ( 1 - r )*( 45 * _InvertedZoom + 5 ) );
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float4 c = 0;
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c = tex2D( _MainTex, i.texcoord );
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c.rgb *= _Mask.rgb;
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c.rgb = lerp( back, c.rgb, c.a * alpha);
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c.a = tex2D( _GUIClipTexture, i.clipUV ).a;
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return c;
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}
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ENDCG
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}
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}
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Fallback Off
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}
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