topdownController

Permet à un objet d'être controllé par un joueur

How to use

requirealive()body()

triggers on self"sleep""awake"

parameters

Parameter	Default Value	Type	Description
upKey		string	"up"
leftKey		string	"left"
rightKey		string	"right"
downKey		string	"down"
moveSpeed		number	480
rotationDelay		number	0.04
accelerationtionDelay		number	0.04
sleepDelay		number	2
rotation		number	-90
startRotation		number	90

example

topdownController({
  upKey: "up",
  leftKey: "left",
  rightKey: "right",
  downKey: "down",
  moveSpeed: 480,
  rotationDelay: 0.04,
  accelerationtionDelay: 0.04,
  sleepDelay: 2,
  rotation: -90,
  startRotation: 90
}),

Source

component.js

function topdownController(p) {
  const param = {
    upKey: "up",
    leftKey: "left",
    rightKey: "right",
    downKey: "down",
    moveSpeed: 480,
    rotationDelay: 0.04,
    accelerationtionDelay: 0.04,
    sleepDelay: 2,
    rotation: -90,
    startRotation: 90,
    ...p
  }
  return {
    id: "player",
    direction: vec2(0, 0),
    require: ["alive", "body"],
    moveSavedTime: 0,
    asleep: false,
    acceleration: 0,
    add() {
      this.gravityScale = 0
      this.moveSavedTime = time()
      this.direction = Vec2.fromAngle(param.startRotation)
    },
    update() {
      if (this.isAlive) {
        const keyDown = isKeyDown([param.leftKey, param.rightKey, param.upKey, param.downKey])
        if (keyDown) {
          const inputDirection = (() => {
            let t = vec2(0.0, 0.0)
            if (isKeyDown(param.leftKey) && isKeyDown(param.rightKey)) t.x = 0.0
            else if (isKeyDown(param.leftKey)) t.x = -1
            else if (isKeyDown(param.rightKey)) t.x = 1
            if (isKeyDown(param.upKey) && isKeyDown(param.downKey)) t.y = 0.0
            else if (isKeyDown(param.upKey)) t.y = -1
            else if (isKeyDown(param.downKey)) t.y = 1
            return Vec2.fromAngle(t.angle())
          })()
          tween(this.direction, inputDirection, param.rotationDelay, (p) => (this.direction = p), easings.easeInQuad)
        }
        const acceleration = keyDown ? 1 : 0
        tween(this.acceleration, acceleration, param.accelerationtionDelay, (p) => (this.acceleration = p), easings.easeInQuad)
        const s = time() - this.moveSavedTime > param.sleepDelay;
        this.angle = this.direction.angle() + param.rotation
        this.move(this.direction.scale(param.moveSpeed * this.acceleration))
        if (this.acceleration > 0.1) this.moveSavedTime = time()
        if (!this.asleep && s) this.trigger("sleep")
        else if (this.asleep && !s) this.trigger("awake")
        this.asleep = s
      }
    }
  }
}