FXHyperbolicStaticParticle

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Revision as of 19:12, 19 October 2009 by NCarter (Talk | contribs)

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Description

A variant of FXHyperbolicStatic that falls off around the edges like smoke. Better for particle effects, such as energy balls or energy generators.

Usage

See FXHyperbolicStatic.

<ShaderLab - FX/HyperbolicStaticParticle >// // Shader: "FX/HyperbolicStaticParticle" // Version: v1.0 // Written by: Thomas Phillips // // Anyone is free to use this shader for non-commercial or commercial projects. // // Description: // Generic force field effect. // Play with color, opacity, and rate for different effects. // This shader has been adapted for use in particle systems. //

Shader "FX/HyperbolicStaticParticle" {

Properties { _Color ("Color Tint", Color) = (1,1,1,1) _Rate ("Oscillation Rate", Range (1, 300)) = 300 }

SubShader {

ZWrite Off Tags { "Queue" = "Transparent" } Blend One One

Pass {

CGPROGRAM

  1. pragma vertex vert
  2. pragma fragment frag
  3. pragma fragmentoption ARB_fog_exp2
  4. include "UnityCG.cginc"

float4 _Color; float _Rate;

struct v2f { V2F_POS_FOG; float4 texcoord : TEXCOORD0; };

v2f vert (appdata_base v) { v2f o; PositionFog( v.vertex, o.pos, o.fog ); o.texcoord = v.texcoord; return o; }

half4 frag (v2f i) : COLOR { float3 color; float m; m = _Time[0]*_Rate + ((i.texcoord[0]+i.texcoord[1])*5000000*_Color.a*_Color.a); m = sin(m) * 0.5; color = float3(m*_Color.r, m*_Color.g, m*_Color.b); color *= 1 - clamp(2*distance(i.texcoord.xy, float2(0.5, 0.5)), 0, 1); return half4( color, 1 ); } ENDCG

   }

} Fallback "Transparent/Diffuse" } </shaderlab>

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