ProjectZ/Assets/VFX/WarFX/Shaders/WFX_S Particle Multiply A8.shader
2024-02-19 21:00:36 +03:00

108 lines
2.2 KiB
Plaintext

// WarFX Shader
// (c) 2015 Jean Moreno
Shader "WFX/Multiply Alpha8" {
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 Zero SrcColor
Cull Off Lighting Off ZWrite Off Fog { Color (1,1,1,1) }
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
half4 prev = i.color * tex2D(_MainTex, i.texcoord).a;
return prev;
}
ENDCG
}
}
// ---- Dual texture cards
SubShader {
Pass {
SetTexture [_MainTex] {
combine texture alpha * primary
}
SetTexture [_MainTex] {
constantColor (1,1,1,1)
combine previous lerp (previous) constant
}
}
}
// ---- Single texture cards (does not do particle colors)
SubShader {
Pass {
SetTexture [_MainTex] {
constantColor (1,1,1,1)
combine texture alpha lerp(texture) constant
}
}
}
}
}