76 lines
1.5 KiB
Plaintext
76 lines
1.5 KiB
Plaintext
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
|
|
|
|
Shader "Custom/CircleMask" {
|
|
Properties
|
|
{
|
|
[PerRendererData]_MainTex ("Texture", 2D) = "white" {}
|
|
_R ("Radius", Range(0, 6)) = 0.1
|
|
_X ("OffsetX", Range(0, 1)) = 0.5
|
|
_Y ("OffsetY", Range(0, 1)) = 0.5
|
|
_ScaleX ("ScaleX", Range(0, 10)) = 1
|
|
_ScaleY ("ScaleY", Range(0, 10)) = 1
|
|
_Trans ("Trans", Range(0, 10)) = 1
|
|
_CutOff ("Cut Off", Range(0, 1)) = 1
|
|
}
|
|
SubShader
|
|
{
|
|
Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
|
|
LOD 100
|
|
ZWrite Off
|
|
Blend SrcAlpha OneMinusSrcAlpha
|
|
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct appdata
|
|
{
|
|
float4 vertex : POSITION;
|
|
float4 color : COLOR;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float2 uv : TEXCOORD0;
|
|
fixed4 color : COLOR;
|
|
float4 vertex : SV_POSITION;
|
|
};
|
|
|
|
v2f vert (appdata v)
|
|
{
|
|
v2f o = (v2f)0;
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
o.uv = v.uv;
|
|
return o;
|
|
}
|
|
|
|
sampler2D _MainTex;
|
|
float _R;
|
|
float _X;
|
|
float _Y;
|
|
float _ScaleX;
|
|
float _ScaleY;
|
|
float _Trans;
|
|
fixed _CutOff;
|
|
|
|
fixed4 frag (v2f i) : SV_Target
|
|
{
|
|
fixed4 col = tex2D(_MainTex, i.uv) * i.color;
|
|
float x = (i.uv.x - _X) *_ScaleX;
|
|
float y = (i.uv.y - _Y) *_ScaleY;
|
|
float S = sqrt(x * x + y * y);
|
|
float k = pow(2, S/_R * -4) * _Trans;
|
|
float atten = clamp(0, 1, k);
|
|
float alpha = (1-atten)*_CutOff;
|
|
return fixed4(col.rgb, alpha);
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
} |