# 简单粒子

var container = new Tiny.Container();
// 创建一个位置为 150/50 的❤️形粒子
var dust = new Tiny.Dust(150, 50, function () {
  return new Tiny.Sprite.fromImage('https://zos.alipayobjects.com/rmsportal/KKKOcfaEECkqrXFOBYIa.png')
}, container,
{
  number: 50,
  gravity: 0.1,
  randomSpacing: true,
  minAngle: 0, maxAngle: 6.28,
  minSize: 12, maxSize: 24,
  minSpeed: 1, maxSpeed: 2,
  minScaleSpeed: 0.005, maxScaleSpeed: 0.01,
  minAlphaSpeed: 0.005, maxAlphaSpeed: 0.01,
  minRotationSpeed: 0.05, maxRotationSpeed: 0.1
});
app.run(container);
//在主 ticker 中加上 dust 的更新
app.ticker.add(function () {
  dust.update();
});