// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
|
|
Shader "Effect/Mask/Particle/AddSmooth" {
|
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" "PreviewType"="Plane" }
|
Blend One OneMinusSrcColor
|
ColorMask RGB
|
Cull Off Lighting Off ZWrite Off
|
|
SubShader {
|
Pass {
|
|
CGPROGRAM
|
#pragma vertex vert
|
#pragma fragment frag
|
#pragma target 2.0
|
#pragma multi_compile_particles
|
#pragma multi_compile_fog
|
|
#include "UnityCG.cginc"
|
#include "UnityUI.cginc"
|
|
sampler2D _MainTex;
|
fixed4 _TintColor;
|
|
struct appdata_t {
|
float4 vertex : POSITION;
|
fixed4 color : COLOR;
|
float2 texcoord : TEXCOORD0;
|
UNITY_VERTEX_INPUT_INSTANCE_ID
|
};
|
|
struct v2f {
|
float4 vertex : SV_POSITION;
|
fixed4 color : COLOR;
|
float4 texcoord : TEXCOORD0;
|
UNITY_FOG_COORDS(1)
|
#ifdef SOFTPARTICLES_ON
|
float4 projPos : TEXCOORD2;
|
#endif
|
UNITY_VERTEX_OUTPUT_STEREO
|
};
|
|
float4 _MainTex_ST;
|
|
v2f vert (appdata_t v)
|
{
|
v2f o;
|
UNITY_SETUP_INSTANCE_ID(v);
|
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(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.xy = TRANSFORM_TEX(v.texcoord,_MainTex).xy;
|
o.texcoord.zw=mul(unity_ObjectToWorld,v.vertex).xy;
|
UNITY_TRANSFER_FOG(o,o.vertex);
|
return o;
|
}
|
|
UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
|
float _InvFade;
|
float4 _ClipRect;
|
float _UseClipRect;
|
|
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
|
|
half4 col = i.color * tex2D(_MainTex, i.texcoord);
|
col.rgb *= col.a;
|
UNITY_APPLY_FOG_COLOR(i.fogCoord, col, fixed4(0,0,0,0)); // fog towards black due to our blend mode
|
float c=UnityGet2DClipping(i.texcoord.zw,_ClipRect);
|
col.a=lerp(col.a,col.a*c,_UseClipRect);
|
return col;
|
}
|
ENDCG
|
}
|
}
|
}
|
}
|
