*misc

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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