//Based on unity builtin shader
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Shader "MK/Glow/Selective/Legacy/Particles/Multiply" {
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Properties {
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_Color ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
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_MainTex ("Particle Texture", 2D) = "white" {}
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_InvFade ("Soft Particles Factor", Range(0.01,3.0)) = 1.0
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_MKGlowColor ("Glow Color", Color) = (1,1,1,1)
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_MKGlowPower ("Glow Power", Range(0.0,2.5)) = 1.0
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_MKGlowTex ("Glow Texture", 2D) = "white" {}
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_MKGlowTexColor ("Glow Texture Color", Color) = (1,1,1,1)
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_MKGlowTexStrength ("Glow Texture Strength ", Range(0.0,10.0)) = 1.0
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}
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Category {
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Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="MKGlowLegacy" "PreviewType"="Plane" }
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Blend Zero SrcColor
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Cull Off Lighting Off ZWrite Off
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SubShader {
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Pass {
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 2.0
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#pragma multi_compile_particles
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#pragma multi_compile_fog
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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fixed4 _Color;
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sampler2D _MKGlowTex;
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half _MKGlowTexStrength;
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fixed4 _MKGlowTexColor;
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struct appdata_t {
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float4 vertex : POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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UNITY_FOG_COORDS(1)
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#ifdef SOFTPARTICLES_ON
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float4 projPos : TEXCOORD2;
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#endif
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UNITY_VERTEX_OUTPUT_STEREO
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};
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float4 _MainTex_ST;
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v2f vert (appdata_t v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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o.vertex = UnityObjectToClipPos(v.vertex);
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#ifdef SOFTPARTICLES_ON
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o.projPos = ComputeScreenPos (o.vertex);
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COMPUTE_EYEDEPTH(o.projPos.z);
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#endif
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o.color = v.color * _Color;
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o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
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UNITY_TRANSFER_FOG(o,o.vertex);
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return o;
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}
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sampler2D_float _CameraDepthTexture;
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float _InvFade;
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fixed4 frag (v2f i) : SV_Target
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{
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#ifdef SOFTPARTICLES_ON
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float sceneZ = LinearEyeDepth (SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
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float partZ = i.projPos.z;
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float fade = saturate (_InvFade * (sceneZ-partZ));
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i.color.a *= fade;
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#endif
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half4 prev = i.color * tex2D(_MainTex, i.texcoord);
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fixed4 col = lerp(half4(1,1,1,1), prev, prev.a);
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fixed3 d = tex2D(_MKGlowTex, i.texcoord) * _MKGlowTexColor;
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col.rgb += (d.rgb * _MKGlowTexStrength);
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UNITY_APPLY_FOG_COLOR(i.fogCoord, col, fixed4(1,1,1,1)); // fog towards white due to our blend mode
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return col;
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}
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ENDCG
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}
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}
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}
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}
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