Add shaders

Sources/Shaders/Particle Add Shimmer.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+// Upgrade NOTE: replaced '_World2Object' with 'unity_WorldToObject'
+
+Shader "Ian's Fire Pack/Additive Shimmer" {
+Properties {
+	_TintColor ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
+	_MainTex ("Particle Texture", 2D) = "white" {}
+
+	_Overlay ("Overlay (RGB)", 2D) = "white" {}
+	_OverlayColor ("Overlay Color. Overlay Strength(A)", Color) = (1,1,1,1)
+	
+	_ScrollDir ("Scroll Direction", Vector) = (0, 0, 0, 0)
+}
+
+Category {
+	Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
+	Blend SrcAlpha One
+	ColorMask RGB
+	Cull Off Lighting Off ZWrite Off
+	
+	SubShader {
+		Pass {
+		
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma multi_compile_particles
+			#pragma multi_compile_fog
+
+			#include "UnityCG.cginc"
+
+			sampler2D _MainTex;
+			fixed4 _TintColor;
+			sampler2D _Overlay;
+			fixed4 _OverlayColor;
+			fixed4 _ScrollDir;
+			
+			struct appdata_t {
+				float4 vertex : POSITION;
+				fixed4 color : COLOR;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			struct v2f {
+				float4 vertex : SV_POSITION;
+				fixed4 color : COLOR;
+				float2 texcoord : TEXCOORD0;
+				float2 uv_Overlay : TEXCOORD2;
+				UNITY_FOG_COORDS(1)
+			};
+			
+			float4 _MainTex_ST, _Overlay_ST; 
+
+			v2f vert (appdata_t v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+
+				o.color = v.color;
+				o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
+				o.uv_Overlay = TRANSFORM_TEX(v.texcoord, _Overlay); 
+				UNITY_TRANSFER_FOG(o,o.vertex);
+				return o;
+			}
+
+			fixed4 frag (v2f i) : SV_Target
+			{
+
+				fixed4 overlay1 = tex2D(_Overlay, i.uv_Overlay + float2(_Time.x * _ScrollDir.x, _Time.x * _ScrollDir.y) );
+				fixed4 overlay2 = tex2D(_Overlay, i.uv_Overlay + float2(_Time.x * _ScrollDir.z, _Time.x * _ScrollDir.w) );
+	
+
+				fixed4 col = 2.0f * i.color * _TintColor * tex2D(_MainTex, i.texcoord) * lerp(fixed4(1, 1, 1, 1), (overlay1*overlay2)*_OverlayColor, _OverlayColor.a);
+				UNITY_APPLY_FOG_COLOR(i.fogCoord, col, fixed4(0,0,0,0)); // fog towards black due to our blend mode
+				return col;
+			}
+			ENDCG 
+		}
+	}	
+}
+}