75 lines
1.6 KiB
Plaintext
75 lines
1.6 KiB
Plaintext
Shader "GlobalSnow/Snow Particle Alpha Blended Premultiply" {
|
|
Properties {
|
|
_MainTex ("Particle Texture", 2D) = "white" {}
|
|
_InvFade ("Soft Particles Factor", Range(0.01,3.0)) = 1.0
|
|
}
|
|
|
|
Category {
|
|
Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
|
|
Blend One OneMinusSrcAlpha
|
|
ColorMask RGB
|
|
Cull Off Lighting Off ZWrite Off
|
|
|
|
SubShader {
|
|
Pass {
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
#pragma multi_compile_particles
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
sampler2D _MainTex;
|
|
fixed4 _TintColor;
|
|
|
|
struct appdata_t {
|
|
float4 vertex : POSITION;
|
|
fixed4 color : COLOR;
|
|
float2 texcoord : TEXCOORD0;
|
|
};
|
|
|
|
struct v2f {
|
|
float4 vertex : SV_POSITION;
|
|
fixed4 color : COLOR;
|
|
float2 texcoord : TEXCOORD0;
|
|
#ifdef SOFTPARTICLES_ON
|
|
float4 projPos : TEXCOORD1;
|
|
#endif
|
|
};
|
|
|
|
float4 _MainTex_ST;
|
|
|
|
v2f vert (appdata_t v)
|
|
{
|
|
v2f o;
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
#ifdef SOFTPARTICLES_ON
|
|
o.projPos = ComputeScreenPos (o.vertex);
|
|
COMPUTE_EYEDEPTH(o.projPos.z);
|
|
#endif
|
|
o.color = v.color;
|
|
o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
|
|
return o;
|
|
}
|
|
|
|
UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
|
|
float _InvFade;
|
|
|
|
fixed4 frag (v2f i) : SV_Target
|
|
{
|
|
#ifdef SOFTPARTICLES_ON
|
|
float sceneZ = LinearEyeDepth (SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
|
|
float partZ = i.projPos.z;
|
|
float fade = saturate (_InvFade * (sceneZ-partZ));
|
|
i.color.a *= fade;
|
|
#endif
|
|
|
|
return i.color * tex2D(_MainTex, i.texcoord) * i.color.a;
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|
|
}
|