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Shader "Particles/Priority Alpha Blended" {
Properties {
_TintColor ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
_MainTex ("Particle Texture", 2D) = "white" {}
_InvFade ("Soft Particles Factor", Range(0.01,3.0)) = 1.0
}
Category {
Tags { "Queue"="Transparent+1" "IgnoreProjector"="True" "RenderType"="Transparent" }
Blend SrcAlpha OneMinusSrcAlpha
AlphaTest Greater .01
ColorMask RGB
Cull Off Lighting Off ZWrite Off
BindChannels {
Bind "Color", color
Bind "Vertex", vertex
Bind "TexCoord", texcoord
}
// ---- Fragment program cards
SubShader {
Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma fragmentoption ARB_precision_hint_fastest
#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 : 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;
}
sampler2D _CameraDepthTexture;
float _InvFade;
fixed4 frag (v2f i) : COLOR
{
#ifdef SOFTPARTICLES_ON
float sceneZ = LinearEyeDepth (UNITY_SAMPLE_DEPTH(tex2Dproj(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos))));
float partZ = i.projPos.z;
float fade = saturate (_InvFade * (sceneZ-partZ));
i.color.a *= fade;
#endif
return 2.0f * i.color * _TintColor * tex2D(_MainTex, i.texcoord);
}
ENDCG
}
}
// ---- Dual texture cards
SubShader {
Pass {
SetTexture [_MainTex] {
constantColor [_TintColor]
combine constant * primary
}
SetTexture [_MainTex] {
combine texture * previous DOUBLE
}
}
}
// ---- Single texture cards (does not do color tint)
SubShader {
Pass {
SetTexture [_MainTex] {
combine texture * primary
}
}
}
}
}