Itsy Examples

JavaScript, Programming by thegoldenmule

Click on the canvases to start + stop each particle emitter. You should probably stop each particle emitter rather than running all three at once. 🙂

new thegoldenmule.particle.ParticleEmitter([
	new thegoldenmule.particle.Acceleration(0, -0.09),
	new thegoldenmule.particle.Velocity(3 * Math.PI / 4, 5 * Math.PI / 4, 1, 1),
	new thegoldenmule.particle.Position(0, 0, 10),
	new thegoldenmule.particle.Lifetime(1000, 2000),
	new thegoldenmule.particle.EmissionRateFade(50, 0, 100),
	new thegoldenmule.particle.ColorTweenRenderer(context)
			.addColor(0, 255, 255, 200,0.5)
			.addColor(0.3, 255, 255, 50, 0.3)
			.addColor(0.5, 255, 70, 0, 0)
			.addColor(1, 0, 0, 0, 0.5)
])
new thegoldenmule.particle.ParticleEmitter([
	new thegoldenmule.particle.Acceleration(0, -0.09),
	new thegoldenmule.particle.Velocity(3 * Math.PI / 4, 5 * Math.PI / 4, 1, 1),
	new thegoldenmule.particle.Position(0, 100, 10),
	new thegoldenmule.particle.Lifetime(1000, 2000),
	new thegoldenmule.particle.ColorTweenRenderer(context)
			.addColor(0, 255, 255, 200,0.5)
			.addColor(0.3, 255, 255, 50, 0.3)
			.addColor(1, 255, 70, 0, 0.2)
]);
var _emitters = [
	new thegoldenmule.particle.ParticleEmitter([
		new thegoldenmule.particle.Position(0, 0, 150, 70),
		new thegoldenmule.particle.Attractor(0, 0, 1000),
		new thegoldenmule.particle.EmissionRateFade(1, 5, 3000),
		new thegoldenmule.particle.Lifetime(500, 900),
		new thegoldenmule.particle.VelocityRenderer(context, 0.5)
			.withColor(20, 200, 20, 1, 0)
			.withColor(20, 100, 100, 1, 1)
	], 200, 200),
	new thegoldenmule.particle.ParticleEmitter([
		new thegoldenmule.particle.Position(0, 0, 600),
		new thegoldenmule.particle.Attractor(0, 0, 1000),
		new thegoldenmule.particle.EmissionRateFade(1, 10, 3000),
		new thegoldenmule.particle.Lifetime(500, 900),
		new thegoldenmule.particle.ColorTweenRenderer(context)
			.addColor(0, 255, 255, 200, 0.7)
			.addColor(1, 200, 0, 20, 0.2)
			.withRandomSize(1, 3)
	], 200, 200)
];

Download on github.

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