swing

Permet à un objet de se balancer de gauche à droite

How to use

requirerotate()

parameters

Parameter	Default Value	Type	Description
delay		number	0.4
amplitude		number	4
speed		number	1
on		boolean	true

example

swing({
  delay: 0.4,
  amplitude: 4,
  speed: 1,
  on: true
}),

Source

component.js

function swing(p) {
  const param = {
    delay: 0.4,
    amplitude: 4,
    speed: 1,
    on: true,
    ...p
  }
  const offset_mult = 0.5
  return {
    id: "swing",
    require: ["rotate"],
    swingAmp: 0,
    add() {
      if (param.on) this.swingAmp = 1;
    },
    update() {
      const offset = this.pos.x + this.pos.y
      const timer = time() * param.speed + offset * offset_mult
      this.angle = wave(-param.amplitude, param.amplitude, timer) * this.swingAmp
    },
    swingSwitch(b) {
      tween(this.swingAmp, b ? 1 : 0, param.delay, (v) => (this.swingAmp = v))
    },
  }
}