diff options
Diffstat (limited to 'marching/Assets/Bundle/shaders/sprite_skew.shader')
| -rw-r--r-- | marching/Assets/Bundle/shaders/sprite_skew.shader | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/marching/Assets/Bundle/shaders/sprite_skew.shader b/marching/Assets/Bundle/shaders/sprite_skew.shader new file mode 100644 index 0000000..23ff5ac --- /dev/null +++ b/marching/Assets/Bundle/shaders/sprite_skew.shader @@ -0,0 +1,97 @@ +// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)' + +// Adapted from the built-in Sprites-Default.shader +// You can download the source for the built-in shaders from: +// http://unity3d.com/unity/download/archive + +Shader "UI/SpriteSkewShader" +{ + Properties + { + [PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {} + _Color("Tint", Color) = (1,1,1,1) + [MaterialToggle] PixelSnap("Pixel snap", Float) = 0 + + _HorizontalSkew("Horizontal Skew", Float) = 0 + _VerticalSkew("Vertical Skew", Float) = 0 + } + + SubShader + { + Tags + { + "Queue" = "Transparent" + "IgnoreProjector" = "True" + "RenderType" = "Transparent" + "PreviewType" = "Plane" + "CanUseSpriteAtlas" = "True" + } + + Cull Off + Lighting Off + ZWrite Off + Fog { Mode Off } + Blend One OneMinusSrcAlpha + + Pass + { + CGPROGRAM + #pragma vertex vert + #pragma fragment frag + #pragma multi_compile DUMMY PIXELSNAP_ON + #include "UnityCG.cginc" + + struct appdata_t + { + float4 vertex : POSITION; + float4 color : COLOR; + float2 texcoord : TEXCOORD0; + }; + + struct v2f + { + float4 vertex : SV_POSITION; + fixed4 color : COLOR; + half2 texcoord : TEXCOORD0; + }; + + sampler2D _MainTex; + fixed4 _Color; + float _HorizontalSkew; + float _VerticalSkew; + + v2f vert(appdata_t IN) + { + v2f OUT; + OUT.texcoord = IN.texcoord; + OUT.color = IN.color * _Color; + + // Create a skew transformation matrix + float h = _HorizontalSkew; + float v = _VerticalSkew; + float4x4 transformMatrix = float4x4( + 1,h,0,0, + v,1,0,0, + 0,0,1,0, + 0,0,0,1); + + float4 skewedVertex = mul(transformMatrix, IN.vertex); + OUT.vertex = UnityObjectToClipPos(skewedVertex); + + #ifdef PIXELSNAP_ON + OUT.vertex = UnityPixelSnap(OUT.vertex); + #endif + + return OUT; + } + + fixed4 frag(v2f IN) : SV_Target + { + fixed4 c = tex2D(_MainTex, IN.texcoord) * IN.color; + c.rgb *= c.a; + return c; + } + ENDCG + } + } +}
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