Based on Parcycle by Mr. Speaker, licensed under the MIT, Ported by Leo Koppelkamm This is canvas only & won't do anything if the browser doesn't support it! To see how this works take a look in https://github.com/craftyjs/Crafty/blob/master/src/particles.js
public this .particles(Object options)
var options = {
maxParticles: 150,
size: 18,
sizeRandom: 4,
speed: 1,
speedRandom: 1.2,
// Lifespan in frames
lifeSpan: 29,
lifeSpanRandom: 7,
// Angle is calculated clockwise: 12pm is 0deg, 3pm is 90deg etc.
angle: 65,
angleRandom: 34,
startColour: [255, 131, 0, 1],
startColourRandom: [48, 50, 45, 0],
endColour: [245, 35, 0, 0],
endColourRandom: [60, 60, 60, 0],
// Only applies when fastMode is off, specifies how sharp the gradients are drawn
sharpness: 20,
sharpnessRandom: 10,
// Random spread from origin
spread: 10,
// How many frames should this last
duration: -1,
// Will draw squares instead of circle gradients
fastMode: false,
gravity: { x: 0, y: 0.1 },
// sensible values are 0-3
jitter: 0
}
Crafty.e("2D,Canvas,Particles").particles(options);