53 lines
1.4 KiB
Plaintext
53 lines
1.4 KiB
Plaintext
|
Shader "Custom/MultiImageBlend" {
|
||
|
|
Properties {
|
||
|
|
_MainTex ("Texture", 2D) = "white" {}
|
||
|
|
_BlendColor ("Blend Color", Color) = (1,1,1,1)
|
||
|
|
_BlendOffset ("Blend Offset", Vector) = (0,0,0,0)
|
||
|
|
}
|
||
|
|
|
||
|
|
SubShader {
|
||
|
|
Tags { "Queue"="Transparent" }
|
||
|
|
Blend SrcAlpha OneMinusSrcAlpha
|
||
|
|
|
||
|
|
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 pos : SV_POSITION;
|
||
|
|
};
|
||
|
|
|
||
|
|
sampler2D _MainTex;
|
||
|
|
float4 _MainTex_ST;
|
||
|
|
fixed4 _BlendColor;
|
||
|
|
float2 _BlendOffset;
|
||
|
|
|
||
|
|
v2f vert (appdata v) {
|
||
|
|
v2f o;
|
||
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
||
|
|
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
||
|
|
return o;
|
||
|
|
}
|
||
|
|
|
||
|
|
fixed4 frag (v2f i) : SV_Target {
|
||
|
|
// 计算偏移后的UV坐标
|
||
|
|
float2 blendUV = i.uv - _BlendOffset;
|
||
|
|
if (any(blendUV < 0) || any(blendUV > 1))
|
||
|
|
discard;
|
||
|
|
|
||
|
|
fixed4 col = tex2D(_MainTex, blendUV) * _BlendColor;
|
||
|
|
return col;
|
||
|
|
}
|
||
|
|
ENDCG
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|