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Assets/JMO Assets/WarFX/Shaders/WFX_S Particle Add A8.shader

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+// WarFX Shader
+// (c) 2015 Jean Moreno
+
+Shader "WFX/Additive Alpha8" {
+Properties {
+	_TintColor ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
+	_MainTex ("Particle Texture (alpha)", 2D) = "white" {}
+	_InvFade ("Soft Particles Factor", Range(0.01,3.0)) = 1.0
+}
+
+Category {
+	Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
+	Blend One One
+	Cull Off Lighting Off ZWrite Off Fog { Color (0,0,0,0) }
+	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 2.0 * i.color * _TintColor * (tex2D(_MainTex, i.texcoord).a * i.color.a * 2.0);
+			}
+			ENDCG 
+		}
+	} 	
+	
+	// ---- Dual texture cards
+	SubShader {
+		Pass {
+			SetTexture [_MainTex] {
+				constantColor [_TintColor]
+				combine constant * primary
+			}
+			SetTexture [_MainTex] {
+				combine texture alpha * previous DOUBLE
+			}
+		}
+	}
+	
+	// ---- Single texture cards (does not do color tint)
+	SubShader {
+		Pass {
+			SetTexture [_MainTex] {
+				combine texture alpha * primary
+			}
+		}
+	}
+}
+}