jumpController

Permet à un objet d'être controllé par un joueur

How to use

requirealive()body()

triggers on self"moved""jump"

parameters

Parameter	Default Value	Type	Description
jumpKey		array	['up', 'space']
keyPressToJump		boolean	true
mousePressToJump		boolean	false
wheelRollToJump		boolean	false
jumpForce		number	1000
airjumpForce		number	800
doubleJump		number	0
rollJumpDelay		number	0.2

example

jumpController({
  jumpKey: ['up', 'space'],
  keyPressToJump: true,
  mousePressToJump: false,
  wheelRollToJump: false,
  jumpForce: 1000,
  airjumpForce: 800,
  doubleJump: 0,
  rollJumpDelay: 0.2
}),

Source

component.js

function jumpController(p) {
  const param = {
    jumpKey: ['up', 'space'],
    keyPressToJump: true,
    mousePressToJump: false,
    wheelRollToJump: false,
    jumpForce: 1000,
    airjumpForce: 800,
    doubleJump: 0,
    rollJumpDelay: 0.2,
    ...p,
  };
  return {
    id: 'jumpController',
    jumpCount: 0,
    require: ['alive', 'body'],
    isPassingThrough: 0,
    jumpReduction: 0,
    add() {
      const tryJump = () => {
        if (this.isAlive && !this.isClimbing) {
          if (this.isGrounded()) {
            const surfaceJumpReduction = (() => {
              if (!this.isGrounded()) return 0;
              else return this.curPlatform().jumpReduction || 0;
            })();
            this.jump(param.jumpForce / (surfaceJumpReduction + 1));
            this.trigger('moved');
            this.trigger('jump');
          } else if (this.jumpCount < param.doubleJump) {
            this.jump(param.airjumpForce);
            this.jumpCount++;
            this.trigger('moved');
            this.trigger('double jump', { facing: facing });
          }
        }
      };
      let facing = 1;
      if (param.keyPressToJump) onKeyPress(param.jumpKey, () => tryJump());
      if (param.mousePressToJump) onMousePress(() => tryJump());
      if (param.wheelRollToJump) {
        let savedTime = time();
        let lastDelta = 0;
        onScroll((delta) => {
          const d = delta.y / Math.abs(delta.y) || 0;
          const t = time() - savedTime < param.rollJumpDelay;
          const r = d != lastDelta;
          if (r && t) tryJump();
          lastDelta = d;
          savedTime = time();
        });
      }
      this.onGround(() => (this.jumpCount = 0));
      this.on('facing', (p = vec2(0, 0)) => (facing = p.unit().x));
    },
  };
}