import {
    _decorator,
    CCFloat,
    Collider2D,
    Component,
    Contact2DType,
    Director,
    director,
    EventTarget,
    IPhysics2DContact,
    RigidBody2D,
} from 'cc';
const { ccclass, property } = _decorator;

@ccclass('Ball')
export class Ball extends Component {
    @property({ visible: true, type: CCFloat })
    public maxSpeed: number;
    @property({ visible: true, type: RigidBody2D })
    public rigidbody: RigidBody2D;
    @property(Collider2D)
    public collider: Collider2D;
    public isActive: boolean;
    private hitted = false;

    public eventHitObstacle = new EventTarget();
    public eventGoal = new EventTarget();

    protected onLoad(): void {
        if (this.getComponent(Collider2D)) {
            this.collider.on(Contact2DType.BEGIN_CONTACT, this.onBeginContact, this);
            this.collider.on(Contact2DType.END_CONTACT, this.onEndContact, this);
        }

        director.on(Director.EVENT_AFTER_PHYSICS, this.setMaxVelocity, this);
    }

    private onBeginContact(selfCollider: Collider2D, otherCollider: Collider2D, contact: IPhysics2DContact | null) {}

    private setMaxVelocity() {
        if (this.rigidbody.linearVelocity.length() > this.maxSpeed) {
            this.rigidbody.linearVelocity = this.rigidbody.linearVelocity.normalize().multiplyScalar(this.maxSpeed);
        }
    }

    private onEndContact(selfCollider: Collider2D, otherCollider: Collider2D, contact: IPhysics2DContact | null) {
        // console.log(otherCollider.tag, otherCollider.node.name);
        this.hitted = false;
    }
}