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1. particles particles Public

   Particle library written in JavaScript

   JavaScript 11 3

2. [JS] Smoothstep function [JS] Smoothstep function

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   function smoothstep(edgeA, edgeB, x) {

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     // Scale, bias and saturate x to 0..1 range

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     x = clamp((x - edgeA) / (edgeB - edgeA), 0, 1); 

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     // Evaluate polynomial

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     return x * x * (3 - 2 * x);

3. [JS] Mix (or lerp) function [JS] Mix (or lerp) function

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   function mix(a, b, amount) {

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     return a + amount * (b - a)

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   }

4. [JS] Smootherstep function [JS] Smootherstep function

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   function smootherstep(edgeA, edgeB, x) {

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     // Scale, bias and saturate x to 0..1 range

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     x = clamp((x - edgeA) / (edgeB - edgeA), 0, 1)

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     // Evaluate polynomial

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     return x * x * x * (x * (x * 6 - 15) + 10)