HeavenStudioPlus/Assets/Plugins/com.unity.uiextensions/Runtime/Resources/Shaders/UIImageCrop.shader
2022-01-05 19:11:33 -05:00

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Text

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
/// Credit 00christian00
/// Sourced from - http://forum.unity3d.com/threads/any-way-to-show-part-of-an-image-without-using-mask.360085/#post-2332030
Shader "UI Extensions/UI Image Crop" {
Properties
{
_MainTex ("Base (RGB)", 2D) = "white" {}
_XCrop ("X Crop", Range(0.0,1.0)) = 1
_YCrop ("Y Crop", Range(0.0,1.0)) = 1
}
SubShader {
ZWrite Off
Tags
{
"Queue" = "Transparent"
"RenderType" = "Transparent"
"IgnoreProjector" = "True"
}
Blend SrcAlpha OneMinusSrcAlpha
Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct v2f {
float4 pos : POSITION;
fixed4 color : COLOR;
float2 uv : TEXCOORD0; //UV1 coord
};
uniform sampler2D _MainTex;
float4 _MainTex_ST;
uniform float _XCrop;
uniform float _YCrop;
v2f vert (v2f v)
{
v2f o;
o.color=v.color;
o.color.a=0.1;
o.pos = UnityObjectToClipPos (v.pos);
o.uv=TRANSFORM_TEX(v.uv, _MainTex);
return o;
}
fixed4 frag (v2f i) : COLOR
{
//return fixed4(0.25,0,0,1);
i.color.a=step(i.uv.x,_XCrop);
//I don't like the bottom up ordering,so I reverse it
i.color.a=i.color.a*step(1-i.uv.y,_YCrop);
return i.color * tex2D (_MainTex, i.uv);
}
ENDCG
}
}
}