diff options
Diffstat (limited to 'Assets/Bundle/Shaders/Common/Image/ImageEffect.cginc')
| -rw-r--r-- | Assets/Bundle/Shaders/Common/Image/ImageEffect.cginc | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/Assets/Bundle/Shaders/Common/Image/ImageEffect.cginc b/Assets/Bundle/Shaders/Common/Image/ImageEffect.cginc index 04334ee4..7f657e59 100644 --- a/Assets/Bundle/Shaders/Common/Image/ImageEffect.cginc +++ b/Assets/Bundle/Shaders/Common/Image/ImageEffect.cginc @@ -1,4 +1,4 @@ -// UnitLensEffect效果 +// UnitLensEffect效果相关 sampler2D _MainTex; float4 _MainTex_ST; @@ -16,3 +16,18 @@ sampler2D _UnitMotionVectorTexture; float4 _UnitMotionVectorTexture_ST; float4 _UnitTileOffset; + +// functions + +// 只对一小部分进行后处理 +float4 CalculateUnitTillOfssetVertex(float4 vert) +{ + float4 v = float4(vert.xy * _UnitTileOffset.xy + _UnitTileOffset.zw, 0, 1); + v.xy = v.xy * 2 - float2(1,1); + return v; +} + +fixed2 CalculateUnitTillOfssetUV(fixed2 uv0) +{ + return uv0 * _UnitTileOffset.xy + _UnitTileOffset.zw; +} |