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| Shader "Unlit/TwoImageShader"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_TwoTex ("TwoTexture", 2D) = "white" {}
[HDR]_Color ("Color", Color) = (1,1,1,1)
[hideinInspector] _MousePos ("MousePos", Vector) = (0,0,0,0)
_Redius ("Redius", float) = 40
_Offset ("Offset", Range(0, 1)) = 0
_Pow ("Pow", Range(0, 2)) = 1
_ColorAmount ("ColorAmount", Range(0.5, 1)) = 0.5
}
SubShader
{
Tags { "RenderType"="Transparent" "Queue"="Transparent"}
Blend SrcAlpha OneMinusSrcAlpha
// Alpha0
Pass
{
CGPROGRAM
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
sampler2D _MainTex;
float4 _MainTex_ST;
fixed4 _MousePos;
float _Redius;
float _Offset;
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
return o;
}
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
float dis = distance(_MousePos.xy, i.vertex.xy);
col.a = saturate(col.a - smoothstep(_Redius, 0, dis) + _Offset * sign(col.a-0.1));
return col;
}
ENDCG
}
// Image_2
Pass
{
CGPROGRAM
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
};
fixed4 _MousePos;
float _Redius;
float _Offset;
float _Pow;
float _ColorAmount;
sampler2D _TwoTex;
float4 _TwoTex_ST;
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.uv, _TwoTex);
return o;
}
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_TwoTex, i.uv);
float dis = distance(_MousePos.xy, i.vertex.xy);
col.a = saturate(smoothstep(_Redius, 0, dis) - _Offset) * _ColorAmount;
col.a = col.a * _Pow;
return col;
}
ENDCG
}
// Color
Pass
{
CGPROGRAM
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
};
fixed4 _MousePos;
float _Redius;
float _Offset;
float4 _Color;
float _Pow;
sampler2D _TwoTex;
float4 _TwoTex_ST;
float _ColorAmount;
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.uv, _TwoTex);
return o;
}
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = _Color;
float dis = distance(_MousePos.xy, i.vertex.xy);
col.a = saturate(smoothstep(_Redius, 0, dis) - _Offset) * _ColorAmount;
return col;
}
ENDCG
}
}
}
|
