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	'*'

example

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

Source

component.js

function bounce(p) {
  const param = {
    direction: vec2(0, 0),
    speed: 0,
    bounciness: 0.8,
    friction: 0.5,
    detuneAmp: 400,
    tag: '*',
    ...p,
  };
  return {
    id: 'bouncing',
    bounceSpeed: 1,
    bouncedirection: param.direction,
    add() {
      this.onCollide(param.tag, (obj, col) => {
        if (obj.has('body')) {
          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 bouncing(vec2(-param.bounciness, param.bounciness));
        }
      });
      this.onCollideUpdate(
        param.tag,
        () => (this.vel = this.vel.sub(this.vel.scale(param.friction * dt())))
      );
    },
  };
}