59 lines
1.0 KiB
Plaintext
59 lines
1.0 KiB
Plaintext
Shader "Hidden/CW/ShapeOutline"
|
|
{
|
|
Properties
|
|
{
|
|
}
|
|
SubShader
|
|
{
|
|
Cull Off
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex Vert
|
|
#pragma fragment Frag
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct appdata
|
|
{
|
|
float4 vertex : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float2 uv : TEXCOORD0;
|
|
float4 vertex : SV_POSITION;
|
|
};
|
|
|
|
sampler2D _CW_ShapeTex;
|
|
float4 _CW_ShapeChannel;
|
|
float4 _CW_ShapeCoords;
|
|
float4 _CW_ShapeColor;
|
|
|
|
void Vert (in appdata i, out v2f o)
|
|
{
|
|
o.vertex = UnityObjectToClipPos(i.vertex);
|
|
o.uv = i.uv;
|
|
}
|
|
|
|
fixed4 Frag (v2f i) : SV_Target
|
|
{
|
|
float u = lerp(_CW_ShapeCoords.x, _CW_ShapeCoords.z, i.uv.x);
|
|
float v = lerp(_CW_ShapeCoords.y, _CW_ShapeCoords.w, i.uv.y);
|
|
float shape = dot(tex2D(_CW_ShapeTex, float2(u, v)), _CW_ShapeChannel);
|
|
float side = shape + abs(ddx(shape)) + abs(ddy(shape));
|
|
|
|
if (shape >= 0.5f || side < 0.5f)
|
|
{
|
|
discard;
|
|
}
|
|
|
|
return _CW_ShapeColor;
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|