bounce

Permet à un objet de se déplacer et de rebondir

How to use

parameters

Parameter	Default Value	Type	Description
direction		vec2	vec2(0, 0)
speed		number	0
bounciness		number	0.8
friction		number	0.5
detuneAmp		number	400
tag		string	"body"

example

bounce({
  direction: vec2(0, 0),
  speed: 0,
  bounciness: 0.8,
  friction: 0.5,
  detuneAmp: 400,
  tag: "body"
}),

Source

component.js

function bounce(p) {
  const param = {
    direction: vec2(0, 0),
    speed: 0,
    bounciness: 0.8,
    friction: 0.5,
    detuneAmp: 400,
    tag: "body",
    ...p
  }
  return {
    id: "bouncing",
    bounceSpeed: 1,
    bouncedirection: param.direction,
    add() {
      this.onCollide(param.tag, (obj, col) => {
        const bouncing = ((d) => {
          this.vel = this.vel.scale(d)
          this.trigger("bounce", { volume: this.bounceSpeed, detune: this.bounceSpeed * param.detuneAmp })
        })
        if ((col.isTop() || col.isBottom())) bouncing(vec2(param.bounciness, - param.bounciness))
        else if ((col.isLeft() || col.isRight())) bouncing(vec2(-param.bounciness, param.bounciness))
      })
      this.onCollideUpdate(param.tag, () => this.vel = this.vel.sub(this.vel.scale(param.friction * dt())))
    },
  }
}