messages_rejectmessage.js
import BaseMessage from './basemessage'
class RejectMessage extends BaseMessage {
/**
* Message object when a message gets rejected from consumer.
*
* @param {number} x - x position of the message
* @param {number} y - y position of the message
* @param {Queue} queue - Queue object
* @extends BaseMessage
*/
constructor(x, y, queue) {
super(x, y)
this.queue = queue
this.rejected = true
if (this.queue) {
this.targetX = this.queue.x
this.targetY = this.queue.y
}
}
update() {
if (this.queue) {
this.dx = this.targetX - this.x
this.dy = this.targetY - this.y
this.dist = Math.sqrt(this.dx * this.dx + this.dy * this.dy)
this.rad = Math.atan2(this.dy, this.dx)
this.angle = (this.rad / Math.PI) * 180
const velX = (this.dx / this.dist) * this.thrust
const velY = (this.dy / this.dist) * this.thrust
if (this.dist > 3) {
this.x += velX
this.y += velY
} else {
this.queue.messageArrived(this)
}
}
}
}
export default RejectMessage