55 lines
1.3 KiB
Plaintext
55 lines
1.3 KiB
Plaintext
Shader "Custom/Portal"
|
|
{
|
|
Properties
|
|
{
|
|
_InactiveColour ("Inactive Colour", Color) = (1, 1, 1, 1)
|
|
}
|
|
SubShader
|
|
{
|
|
Tags { "RenderType"="Opaque" }
|
|
LOD 100
|
|
Cull Off
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
#include "UnityCG.cginc"
|
|
|
|
struct appdata
|
|
{
|
|
float4 vertex : POSITION;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float4 vertex : SV_POSITION;
|
|
float4 screenPos : TEXCOORD0;
|
|
};
|
|
|
|
sampler2D _MainTex;
|
|
float4 _InactiveColour;
|
|
int displayMask; // set to 1 to display texture, otherwise will draw test colour
|
|
|
|
|
|
v2f vert (appdata v)
|
|
{
|
|
v2f o;
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
o.screenPos = ComputeScreenPos(o.vertex);
|
|
return o;
|
|
}
|
|
|
|
fixed4 frag (v2f i) : SV_Target
|
|
{
|
|
float2 uv = i.screenPos.xy / i.screenPos.w;
|
|
fixed4 portalCol = tex2D(_MainTex, uv);
|
|
return portalCol * displayMask + _InactiveColour * (1-displayMask);
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
Fallback "Standard" // for shadows
|
|
}
|