patroling

Permet à un objet de se déplacer jusqu'à ce qu'il recontre un objet

How to use

parameters

Parameter	Default Value	Type	Description
speed		number	60
direction		number	-1
uTrunDelay		number	0.5
startDelay		number	0.5
crossEachOther		boolean	true
tag		string	"stopper"

example

patroling({
  speed: 60,
  direction: -1,
  uTrunDelay: 0.5,
  startDelay: 0.5,
  crossEachOther: true,
  tag: "stopper"
}),

Source

component.js

function patroling(p) {
  const param = {
    speed: 60,
    direction: -1,
    uTrunDelay: 0.5,
    startDelay: 0.5,
    crossEachOther: true,
    tag: "stopper",
    ...p
  }
  return {
    id: "partoling",
    add() {
      const uTrun = (obj, col) => {
        const l = col.isLeft() && currentDirection < 0
        const r = col.isRight() && currentDirection > 0
        const bt = !col.isTop() && !col.isBottom()
        if ((l || r) && bt && !obj.is("player") && !obj.is("projectile")) {
          const targetDirection = currentDirection > 0 ? -1 : 1
          if (obj.is("stopper")) tween(currentDirection, targetDirection, param.uTrunDelay, (v) => (currentDirection = v), easings.easeInSin)
          else tween(0, targetDirection, param.startDelay, (v) => (currentDirection = v), easings.easeInSin)
          this.trigger("facing", vec2(targetDirection, 0))
        }
      }
      let currentDirection = param.direction
      this.onCollide("body", (obj, col) => uTrun(obj, col))
      this.onCollide("stopper", (obj, col) => uTrun(obj, col))
      this.on("respawn", () => {
        currentDirection = param.direction
        this.trigger("facing", vec2(param.direction, 0))
      })
      if (param.crossEachOther) this.collisionIgnore.push("partoling")
      onUpdate(() => {
        this.move(param.speed * currentDirection, 0)
      })
      this.trigger("facing", vec2(param.direction, 0))
    },
    /*
    changeDirection(obj, col) {
      const l = col.isLeft() && this.direction.x < 0
      const r = col.isRight() && this.direction.x > 0
      if ((l || r) && !obj.is("player") && !obj.is("projectile")) {
        const n = this.direction.x > 0 ? -1 : 1
        if (obj.is("stopper")) tween(this.direction.x, n, param.uTrunDelay, (v) => (this.direction.x = v), easings.easeInSin)
        else tween(0, n, param.startDelay, (v) => (this.direction.x = v), easings.easeInSin)
      }
      this.trigger("facing", this.direction)
    },
    update() {
      this.move(param.speed * this.direction.x, 0)
      if (this.direction.len() > 0.1) this.facing = this.direction.unit().x
    },
    */
  }
}