pinball/assets/_Game/Scripts/Gameplay/Ball.ts

import {
    _decorator,
    Animation,
    AudioClip,
    CCFloat,
    CircleCollider2D,
    Collider2D,
    Component,
    Contact2DType,
    Director,
    director,
    ERigidBody2DType,
    geometry,
    IPhysics2DContact,
    math,
    Node,
    ParticleSystem,
    Prefab,
    RigidBody2D,
    Sprite,
    Vec2,
    Vec3,
} from 'cc';
import PhysicsGroup from '../Enum/PhysicGroup';
import { SequenceSound } from '../Environments/SequenceSound';
import GameEvent from '../Events/GameEvent';
import AudioManager from '../Manager/AudioManager';
import { EventManger } from '../Manager/EventManger';
import IPoolable from '../Pool/IPoolable';
import ObjectPool from '../Pool/ObjectPool';
import Utils from '../Utilities';
const { ccclass, property } = _decorator;

@ccclass('Ball')
export class Ball extends Component implements IPoolable {
    @property({ type: Prefab, visible: true })
    private _impactPrefab: Prefab;
    @property({ type: CCFloat, visible: true })
    private _maxSpeed: number;
    @property({ type: RigidBody2D, visible: true })
    private _rigidBody: RigidBody2D;

    @property({ type: Animation, visible: true })
    private _animation: Animation;
    @property({ type: ParticleSystem, visible: true })
    private _trail: ParticleSystem;
    @property({ type: ParticleSystem, visible: true })
    private _buffParticle: ParticleSystem;
    @property({ type: ParticleSystem, visible: true })
    private _fireParticle: ParticleSystem;
    @property({ type: CircleCollider2D, visible: true })
    private _collider: CircleCollider2D;

    @property({ type: Sprite, visible: true })
    private _normalSprite: Sprite;
    @property({ type: Sprite, visible: true })
    private _cheeseModeSprite: Sprite;
    @property({ type: Sprite, visible: true })
    private _spriteShadow: Sprite;

    @property({ type: AudioClip, visible: true })
    private _impactSound: AudioClip;
    @property({ type: AudioClip, visible: true })
    private _impactFlipperSound: AudioClip;
    @property({ type: SequenceSound, visible: true })
    private _collectSound: SequenceSound;
    @property({ type: SequenceSound, visible: true })
    private _cheeseModeCollectSound: SequenceSound;

    @property({ type: geometry.AnimationCurve, visible: true })
    private _jumpCurve: geometry.AnimationCurve = new geometry.AnimationCurve();

    private _impactPool: ObjectPool;
    private _isHit = false;
    private _isJumping = false;
    private _jumpTime: number;
    private _jumpDuration: number;
    private _parent: Node;
    private _cheeseModeOn = false;

    public init(boosterActive: boolean) {
        if (boosterActive) {
            this.onBoosterActive();
        } else {
            this.onBoosterDisable();
        }
    }

    protected onLoad(): void {
        if (this._collider) {
            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.afterPhysicUpdate, this);
        this._impactPool = new ObjectPool(this._impactPrefab, 10, false);

        EventManger.instance.on(GameEvent.BoosterActive, this.onBoosterActive, this);
        EventManger.instance.on(GameEvent.BoosterDisable, this.onBoosterDisable, this);
    }

    protected update(dt: number): void {
        if (this._isJumping) {
            this._jumpTime += dt;
            let jumpProcess = this._jumpTime / this._jumpDuration;
            jumpProcess = math.clamp01(jumpProcess);
            let scale = Vec3.ONE.clone();
            const jumpValue = this._jumpCurve.evaluate(jumpProcess);
            scale = scale.add(Vec3.ONE.clone().multiplyScalar(jumpValue));
            this._normalSprite.node.setScale(scale);
            this._cheeseModeSprite.node.setScale(scale);
            this._spriteShadow.node.setScale(scale);
            this._trail.trailModule.widthRatio.multiplier = scale.x;
            this._spriteShadow.node.setWorldPosition(
                this.node.worldPosition.clone().add(Vec3.ONE.clone().multiplyScalar(-jumpValue * 100)),
            );

            if (jumpProcess >= 1) {
                this._spriteShadow.node.setPosition(Vec3.ZERO);
                this._normalSprite.node.setScale(Vec3.ONE);
                this._cheeseModeSprite.node.setScale(Vec3.ONE);
                this._trail.trailModule.widthRatio.multiplier = 1;
                this._isJumping = false;
                this._collider.group = PhysicsGroup.BALL;
                this._rigidBody.group = PhysicsGroup.BALL;
                this.node.setParent(this._parent);
            }
        }
    }

    protected lateUpdate(dt: number): void {
        if (this._rigidBody.linearVelocity.length() > 60) {
            this._fireParticle.rateOverTime.constant = 8;
            this._fireParticle.rateOverDistance.constant = 0.02;
            // if (this._fireParticle.isStopped) {
            // }
        } else {
            this._fireParticle.rateOverDistance.constant = 0;
            this._fireParticle.rateOverTime.constant = 0;
            // if (this._fireParticle.isPlaying) {
            //     this._fireParticle.stopEmitting();
            // }
        }
    }

    private async onBeginContact(
        selfCollider: Collider2D,
        otherCollider: Collider2D,
        contact: IPhysics2DContact | null,
    ) {
        if (this._isHit) return;
        this._isHit = true;
        const velocity = this._rigidBody.linearVelocity.length();
        if (!otherCollider.sensor) {
            if (velocity >= 5) {
                this._animation.play();
                let hitPoint = contact.getWorldManifold().points[0];

                if (!hitPoint) {
                    const dir = otherCollider.node
                        .getWorldPosition()
                        .subtract(selfCollider.node.getWorldPosition())
                        .normalize();
                    dir.multiplyScalar(this._collider.radius / 2);
                    const point = selfCollider.node.getWorldPosition().add(dir);
                    hitPoint = new Vec2(point.x, point.y);
                }
                const hitFx = this._impactPool.get(ParticleSystem, this.node.parent);
                hitFx.node.setWorldPosition(new Vec3(hitPoint.x, hitPoint.y, 10));
                AudioManager.playSfx(
                    otherCollider.group == PhysicsGroup.FLIPPER ? this._impactFlipperSound : this._impactSound,
                );
                await Utils.waitUntil(() => hitFx.isStopped, 0.1);
                this._impactPool.release(hitFx);
            }
        } else if (otherCollider.tag == 1) {
            if (this._cheeseModeOn) {
                this._cheeseModeCollectSound.playSound();
            } else {
                this._collectSound.playSound();
            }
        }
    }

    private onEndContact(selfCollider: Collider2D, otherCollider: Collider2D, contact: IPhysics2DContact | null) {
        this._isHit = false;
    }

    private onBoosterActive() {
        // this._fireParticle.play();
        this._cheeseModeOn = true;
        this._cheeseModeSprite.setNodeActive(true);
        this._normalSprite.setNodeActive(false);
    }

    private onBoosterDisable() {
        // this._fireParticle.stop();
        this._cheeseModeOn = false;
        this._cheeseModeSprite.setNodeActive(false);
        this._normalSprite.setNodeActive(true);
    }

    private afterPhysicUpdate() {
        let velocity = this._rigidBody.linearVelocity.length();

        if (velocity > this._maxSpeed) {
            this._rigidBody.linearVelocity = this._rigidBody.linearVelocity.normalize().multiplyScalar(this._maxSpeed);
        }
    }

    public addForce(force: Vec2) {
        this._rigidBody.applyLinearImpulseToCenter(force, true);
    }

    public throwBall(force: Vec2) {
        this._collider.group = PhysicsGroup.BALL_THROWING;
        this._rigidBody.group = PhysicsGroup.BALL_THROWING;
        this._rigidBody.applyAngularImpulse(-5 * force.x || 2, true);
        this._rigidBody.applyLinearImpulseToCenter(force, true);
        this._isJumping = true;
        this._jumpTime = 0;
        this._jumpDuration = this._rigidBody.linearVelocity.length() * 0.05;
    }

    public playMultiBallEffect() {
        this._buffParticle.play();
    }

    public clearRigiState(active: boolean) {
        this._rigidBody.type = active ? ERigidBody2DType.Dynamic : ERigidBody2DType.Kinematic;
        this._rigidBody.linearVelocity = Vec2.ZERO.clone();
        this._rigidBody.angularVelocity = 0;
    }

    onGet() {
        this.clearRigiState(true);
        this._isJumping = false;
        this._isHit = false;
        this._parent = this.node.getParent();
        this._fireParticle.rateOverDistance.constant = 0;
        this._fireParticle.rateOverTime.constant = 0;
    }

    onRelease() {
        this._rigidBody.linearVelocity = Vec2.ZERO.clone();
        this._rigidBody.angularVelocity = 0;
        this._buffParticle.stop();
        this.getComponentsInChildren(ParticleSystem).forEach((particle) => {
            particle.clear();
        });
    }
}