120 lines
4.1 KiB
Plaintext
120 lines
4.1 KiB
Plaintext
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
|
|
|
|
Shader "com.unity3d.animation/SpriteOutline"
|
|
{
|
|
Properties
|
|
{
|
|
_MainTex("Sprite Texture", 2D) = "white" {}
|
|
_OutlineSize("Outline Size", Float) = 1
|
|
_OutlineColor("Outline Color", Color) = (1,0,1,1)
|
|
}
|
|
|
|
SubShader
|
|
{
|
|
Tags
|
|
{
|
|
"Queue" = "Transparent"
|
|
"IgnoreProjector" = "True"
|
|
"RenderType" = "Transparent"
|
|
}
|
|
|
|
Cull Off
|
|
Lighting Off
|
|
ZWrite Off
|
|
Blend SrcAlpha OneMinusSrcAlpha
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
#include "UnityCG.cginc"
|
|
|
|
struct appdata_t
|
|
{
|
|
float4 vertex : POSITION;
|
|
float4 color : COLOR;
|
|
float2 texcoord : TEXCOORD0;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float4 vertex : SV_POSITION;
|
|
fixed4 color : COLOR;
|
|
float2 texcoord : TEXCOORD0;
|
|
float2 clipUV : TEXCOORD1;
|
|
};
|
|
|
|
float _Outline;
|
|
fixed4 _OutlineColor;
|
|
uniform float4 _MainTex_ST;
|
|
uniform float4x4 unity_GUIClipTextureMatrix;
|
|
uniform bool _AdjustLinearForGamma;
|
|
sampler2D _GUIClipTexture;
|
|
v2f vert(appdata_t IN)
|
|
{
|
|
v2f OUT;
|
|
OUT.vertex = UnityObjectToClipPos(IN.vertex);
|
|
OUT.texcoord = TRANSFORM_TEX(IN.texcoord, _MainTex);
|
|
OUT.color = IN.color;
|
|
float3 eyePos = UnityObjectToViewPos(IN.vertex);
|
|
OUT.clipUV = mul(unity_GUIClipTextureMatrix, float4(eyePos.xy, 0, 1.0));
|
|
|
|
return OUT;
|
|
}
|
|
|
|
sampler2D _MainTex;
|
|
sampler2D _AlphaTex;
|
|
float4 _MainTex_TexelSize;
|
|
fixed _OutlineSize;
|
|
fixed4 _ObjectSize;
|
|
|
|
fixed4 frag(v2f i) : SV_Target
|
|
{
|
|
if (tex2D(_GUIClipTexture, i.clipUV).a == 0)
|
|
discard;
|
|
|
|
float width = _OutlineSize*_MainTex_TexelSize.x;
|
|
float height = _OutlineSize*_MainTex_TexelSize.y;
|
|
|
|
float2 texPos = i.texcoord + float2(-width, -height);
|
|
half a1 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
texPos = i.texcoord + float2(0, -height);
|
|
half a2 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
texPos = i.texcoord + float2(+width, -height);
|
|
half a3 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
|
|
texPos = i.texcoord + float2(-width, 0);
|
|
half a4 =texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
texPos = i.texcoord + float2(+width, 0);
|
|
half a6 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
|
|
texPos = i.texcoord + float2(-width, +height);
|
|
half a7 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
texPos = i.texcoord + float2(0, +height);
|
|
half a8 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
texPos = i.texcoord + float2(+width, +height);
|
|
half a9 = texPos.x >= 0 && texPos.y >= 0 && texPos.x <= 1 && texPos.y <= 1 ? tex2D(_MainTex, texPos).a : 0;
|
|
|
|
half gx = -a1 - a2 - a3 + a7 + a8 + a9;
|
|
half gy = -a1 - a4 - a7 + a3 + a6 + a9;
|
|
|
|
half w = sqrt(gx * gx + gy * gy) * 1.25;
|
|
|
|
float4 c = _OutlineColor;
|
|
if (w >= 1)
|
|
{
|
|
if (_AdjustLinearForGamma)
|
|
c.rgb = LinearToGammaSpace(c.rgb);
|
|
}
|
|
else
|
|
discard;
|
|
|
|
return c;
|
|
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|