72 lines
1.7 KiB
Plaintext
72 lines
1.7 KiB
Plaintext
Shader "TrailsFX/Mask" {
|
|
Properties {
|
|
_MainTex ("Texture", 2D) = "white" {}
|
|
_Color ("Color", Color) = (1,1,1) // not used; dummy property to avoid inspector warning "material has no _Color property"
|
|
_CutOff("Cut Off", Float) = 0.5
|
|
_Cull ("Cull", Int) = 2
|
|
}
|
|
SubShader
|
|
{
|
|
Tags { "Queue"="Transparent+100" "RenderType"="Transparent" }
|
|
|
|
// Create mask
|
|
Pass
|
|
{
|
|
Stencil {
|
|
Ref 2
|
|
WriteMask 2
|
|
Comp always
|
|
Pass replace
|
|
}
|
|
ColorMask 0
|
|
ZTest Always
|
|
ZWrite Off
|
|
Cull [_Cull]
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct appdata
|
|
{
|
|
float4 vertex : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
UNITY_VERTEX_INPUT_INSTANCE_ID
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float4 pos: SV_POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
UNITY_VERTEX_OUTPUT_STEREO
|
|
};
|
|
|
|
sampler2D _MainTex;
|
|
fixed _CutOff;
|
|
|
|
v2f vert (appdata v)
|
|
{
|
|
v2f o;
|
|
UNITY_SETUP_INSTANCE_ID(v);
|
|
UNITY_INITIALIZE_OUTPUT(v2f, o);
|
|
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
|
o.uv = v.uv;
|
|
return o;
|
|
}
|
|
|
|
fixed4 frag (v2f i) : SV_Target
|
|
{
|
|
fixed4 col = tex2D(_MainTex, i.uv);
|
|
#if TRAIL_ALPHACLIP
|
|
clip(col.a - _CutOff);
|
|
#endif
|
|
return 0;
|
|
}
|
|
ENDCG
|
|
}
|
|
|
|
}
|
|
} |