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Fixes particles failing to disappear #83

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Fixes particles failing to disappear #83

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2 changes: 2 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ const MAX_PARTICLES = 500;
const PARTICLE_NUM_RANGE = () => 5 + Math.round(Math.random() * 5);
const PARTICLE_GRAVITY = 0.075;
const PARTICLE_ALPHA_FADEOUT = 0.96;
const PARTICLE_ALPHA_CUTOFF = 0.1
const PARTICLE_VELOCITY_RANGE = {
x: [-1, 1],
y: [-3.5, -1.5]
Expand Down Expand Up @@ -143,6 +144,7 @@ exports.decorateTerm = (Term, { React, notify }) => {
particle.x += particle.velocity.x;
particle.y += particle.velocity.y;
particle.alpha *= PARTICLE_ALPHA_FADEOUT;
if (particle.alpha < PARTICLE_ALPHA_CUTOFF) particle.alpha = 0;
this._canvasContext.fillStyle = `rgba(${particle.color.join(',')}, ${particle.alpha})`;
this._canvasContext.fillRect(Math.round(particle.x - 1), Math.round(particle.y - 1), 3, 3);
});
Expand Down