init

Assets/Particles/Muzzle/ParticleDot_Shader.shader

@@ -0,0 +1,73 @@
+Shader "Unlit/ParticleDot_Shader"
+{
+    Properties
+    {
+		[HDR]
+		_Color("Color", Color)=(1, 0, 0, 1)
+		_Rad("Radius", Float)=1
+		_Density("Density", Range(-10, 1))=1
+    }
+    SubShader
+    {
+		Tags { "Queue" = "Transparent" "RenderType" = "Transparent" }
+		Blend SrcAlpha One
+		Cull Off
+		ZWrite Off
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            // make fog work
+            #pragma multi_compile_fog
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+				float4 vertexColor : COLOR;
+            };
+
+            struct v2f
+            {
+                float2 uv : TEXCOORD0;
+                UNITY_FOG_COORDS(1)
+                float4 vertex : SV_POSITION;
+				float4 vertexColor : COLOR;
+            };
+
+			float4 _Color;
+			float _Rad;
+			float _Density;
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = v.uv;
+				o.vertexColor = v.vertexColor;
+                UNITY_TRANSFER_FOG(o,o.vertex);
+                return o;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+				_Rad*=2;
+
+				float2 centeredUV = i.uv + float2(-0.5, -0.5);
+				float circle = length(centeredUV*_Rad);
+
+				circle = 1-smoothstep(min(1, _Density), 1, circle);
+
+
+
+                return float4(_Color.rgb, circle*i.vertexColor.a);
+            }
+            ENDCG
+        }
+    }
+}