TH1/Unity/Assets/Shaders/UI_GradientShader.shader
2025-07-17 18:26:28 +08:00

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Shader "UI/VerticalGradient"
{
Properties
{
_ColorTop("Top Color", Color) = (0, 0, 0, 0)
_ColorBottom("Bottom Color", Color) = (0, 0, 0, 1)
}
SubShader
{
Tags { "Queue" = "Overlay" "RenderType" = "Transparent" }
Blend SrcAlpha OneMinusSrcAlpha
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata_t
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
fixed4 _ColorTop;
fixed4 _ColorBottom;
v2f vert(appdata_t v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
fixed4 frag(v2f i) : SV_Target
{
return lerp(_ColorBottom, _ColorTop, i.uv.y);
}
ENDCG
}
}
}