koobas.hobune.stream
how to solve line render edge overlapping when i'm using neon shader.?
Hi guys i'm facing an issue with linerender to get neon effect from line i found a shader to do that form here how to make neon effect using linerender , it get neon effect nicely but when i draw line in small circle or make a edge its going worst and line render lost there smoothness and look like this 
i have try lot of other shader stuff for neon effect but problem still same. anyone can help to find out the problem . thanks in advance your sport much appreciated for me to learn new things. im using this alpha image 
and this is shader
Shader "Trail/Neon" { Properties { [PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {} _Color("Tint", Color) = (1,1,1,1) _MainTexture("Sprite", 2D) = "white" {} [MaterialToggle] PixelSnap("Pixel snap", Float) = 0 } SubShader { Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" "PreviewType" = "Plane" "CanUseSpriteAtlas" = "True" } Cull Off Lighting Off ZWrite Off Blend One OneMinusSrcAlpha Pass { CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma target 2.0 #pragma multi_compile _ PIXELSNAP_ON #pragma multi_compile _ ETC1_EXTERNAL_ALPHA #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float4 color : COLOR; float2 texcoord : TEXCOORD0; UNITY_VERTEX_INPUT_INSTANCE_ID }; struct v2f { float4 vertex : SV_POSITION; fixed4 color : COLOR; float2 texcoord : TEXCOORD0; UNITY_VERTEX_OUTPUT_STEREO }; fixed4 _Color; v2f vert(appdata_t IN) { v2f OUT; UNITY_SETUP_INSTANCE_ID(IN); UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT); OUT.vertex = UnityObjectToClipPos(IN.vertex); OUT.texcoord = IN.texcoord; OUT.color = IN.color * _Color; #ifdef PIXELSNAP_ON OUT.vertex = UnityPixelSnap(OUT.vertex); #endif return OUT; } sampler2D _MainTexture; sampler2D _AlphaTex; fixed4 SampleSpriteTexture(float2 uv) { fixed4 color = tex2D(_MainTexture, uv); #if ETC1_EXTERNAL_ALPHA // get the color from an external texture (usecase: Alpha support for ETC1 on android) color.a = tex2D(_AlphaTex, uv).r; #endif //ETC1_EXTERNAL_ALPHA return color; } fixed4 frag(v2f IN) : SV_Target { //standard sprite shader, only this part is different. //takes the sprite in fixed4 s = SampleSpriteTexture(IN.texcoord); //makes a colored version of the sprite fixed4 c = s * IN.color; //makes the grayscale version fixed n = (s.g + s.r + s.b) / 3; //So, I've scrapped the previous calculation in favor of this I'll leave the previous one in too, just for reference c = (c*3 + n*c.a)*c.a; //Adds the grayscale version on top of the colored version //The alpha multiplications give the neon effect feeling //c.g = (c.g + n * c.a) * c.a; //c.r = (c.r + n * c.a) * c.a; //c.b = (c.b + n * c.a) * c.a; // You can add c.a multiplications of colors //(i.e. turn c.g to c.g*c.a) for less color in your effect //this saturates the insides a bit too much for my liking return c; } ENDCG } } }
