cocos做飞机大战笔记【敌机发射子弹】 |
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cocos做飞机大战笔记【敌机发射子弹】
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文章目录
前言敌机脚本1. 初始变量2. 子弹发射逻辑3. 初始化敌机状态和子弹状态
子弹脚本1.创建初始变量与飞机子弹类型判断逻辑2. 状态初始化
游戏管理脚本完整代码GameManager.tsBullet.tsEnemyPlane.ts
前言
敌机子弹需要考虑 敌机子弹与玩家子弹方向不同敌机是有可能不产生子弹的 产生子弹要有发射周期 敌机脚本 EnemyPlane.ts 1. 初始变量首先子弹发射要有子弹周期createBulletTime,然后要有判断当前子弹发射的状态_needBullet(因为有两种飞机,发射子弹和不发射子弹的),还有创建子弹的时间_currCreateBulletTime和_gameManager(创建子弹会写在游戏管理里) 需要判断敌机是否需要发射子弹，如果需要发射根据子弹发射周期创建子弹
/**
* 创建敌机子弹
* @param targetPos 敌机子弹位置
*/
public createEnemyBullet(targetPos: Vec3) {
// 子弹实例化
const bullet = instantiate(this.bullet01);
// 将子弹放在子弹管理节点下面
bullet.setParent(this.bulletRoot);
// 设置子弹位置
bullet.setPosition(targetPos.x, targetPos.y, targetPos.z + 6);
// 设置子弹速度
const bulletComp = bullet.getComponent(Bullet);
bulletComp.show(1, true)
}
/**
* 创建敌机
*
*/
public createEnemyPlane() {
// 两架飞机随机选一（1，2）
const whichEnemy = math.randomRangeInt(1, 3)
let prefab: Prefab = null
let speed = 0
// 创建敌机1或2
if (whichEnemy == Constant.EnemyType.TYPE1) {
prefab = this.enemy01
speed = this.enemy1Speed
} else {
prefab = this.enemy02
speed = this.enemy2Speed
}
// 预制实例化
const enemy = instantiate(prefab)
console.log(enemy);
enemy.setParent(this.node)
const enemyComp = enemy.getComponent(EnemyPlane)
enemyComp.show(this, speed, true)//单架敌机需要发射子弹
// 设置飞机位置
const randomPos = math.randomRangeInt(-25, 26)
enemy.setPosition(randomPos, 0, -50)
}
完整代码
GameManager.ts
import { _decorator, Component, Node, Prefab, instantiate, math, Vec3 } from 'cc';
import { Bullet } from '../bullet/Bullet';
import { EnemyPlane } from '../plane/EnemyPlane';
import { Constant } from './Constant';
const { ccclass, property } = _decorator;
@ccclass('GameManager')
export class GameManager extends Component {
// 关联玩家飞机
@property(Node)
public playerPlane: Node = null;
// 关联所有子弹
@property(Prefab)
public bullet01: Prefab = null;
@property(Prefab)
public bullet02: Prefab = null;
@property(Prefab)
public bullet03: Prefab = null;
@property(Prefab)
public bullet04: Prefab = null;
@property(Prefab)
public bullet05: Prefab = null;
// 射击周期
@property
public shootTime = 0.3;
// 子弹移动速度
@property
public bulletSpeed = 1;
/** 关联敌机 */
@property(Prefab)
public enemy01: Prefab = null;
@property(Prefab)
public enemy02: Prefab = null;
@property
public createEnemtTime = 1;//创建敌机时间
@property
public enemy1Speed = 0.5;//敌机1速度
@property
public enemy2Speed = 0.7;//敌机2速度
//子弹管理节点
@property(Node)
public bulletRoot: Node = null;
private _currShootTime = 0;
// 是否触摸屏幕
private _isShooting = false;
private _currCreateEnemyTime = 0//当前创建的敌机时间
private _combinationInterval = Constant.Combination.PLAN1//组合间隔状态
start() {
this._init();
}
update(deltaTime: number) {
// 这步加时间是为了发射子弹
this._currShootTime += deltaTime;
// 判断是触摸状态 并且射击时间大于我们的周期 发射子弹
if (this._isShooting && this._currShootTime > this.shootTime) {
this.createPlayerBullet();
this._currShootTime = 0;
}
this._currCreateEnemyTime += deltaTime
//判断组合方式
if (this._combinationInterval == Constant.Combination.PLAN1) {
//只创建单一的飞机 0-10秒飞机创建
if (this._currCreateEnemyTime > this.createEnemtTime) {//普通飞机创建
this.createEnemyPlane()
this._currCreateEnemyTime = 0
}
} else if (this._combinationInterval == Constant.Combination.PLAN2) {
// 10-20秒飞机创建
if (this._currCreateEnemyTime > this.createEnemtTime * 0.9) {//0.9飞机组合间隔
const randomCombination = math.randomRangeInt(1, 3)//随机1，2飞机
if (randomCombination === Constant.Combination.PLAN2) {
this.createCombination1()
} else {
this.createEnemyPlane()
}
this._currCreateEnemyTime = 0
}
} else {
//20+ 飞机创建
if (this._currCreateEnemyTime > this.createEnemtTime * 0.8) {//0.8飞机组合间隔
const randomCombination = math.randomRangeInt(1, 4)//随机1，2，3飞机
if (randomCombination === Constant.Combination.PLAN2) {
this.createCombination1()
} else if (randomCombination === Constant.Combination.PLAN3) {
this.createCombination2()
} else {
this.createEnemyPlane()
}
this._currCreateEnemyTime = 0
}
}
}
/**
* 创建子弹
*/
public createPlayerBullet() {
// 子弹实例化
const bullet = instantiate(this.bullet01);
// 将子弹放在子弹管理节点下面
bullet.setParent(this.bulletRoot);
// 获取飞机位置
const pos = this.playerPlane.position;
// 设置子弹位置
bullet.setPosition(pos.x, pos.y, pos.z - 7);
// 设置子弹速度
const bulletComp = bullet.getComponent(Bullet);
bulletComp.show(this.bulletSpeed, false)
}
/**
* 创建敌机子弹
* @param targetPos 敌机子弹位置
*/
public createEnemyBullet(targetPos: Vec3) {
// 子弹实例化
const bullet = instantiate(this.bullet01);
// 将子弹放在子弹管理节点下面
bullet.setParent(this.bulletRoot);
// 设置子弹位置
bullet.setPosition(targetPos.x, targetPos.y, targetPos.z + 6);
// 设置子弹速度
const bulletComp = bullet.getComponent(Bullet);
bulletComp.show(1, true)
}
/**
* 创建敌机
*
*/
public createEnemyPlane() {
// 两架飞机随机选一（1，2）
const whichEnemy = math.randomRangeInt(1, 3)
let prefab: Prefab = null
let speed = 0
// 创建敌机1或2
if (whichEnemy == Constant.EnemyType.TYPE1) {
prefab = this.enemy01
speed = this.enemy1Speed
} else {
prefab = this.enemy02
speed = this.enemy2Speed
}
// 预制实例化
const enemy = instantiate(prefab)
console.log(enemy);
enemy.setParent(this.node)
const enemyComp = enemy.getComponent(EnemyPlane)
enemyComp.show(this, speed, true)//单架敌机需要发射子弹
// 设置飞机位置
const randomPos = math.randomRangeInt(-25, 26)
enemy.setPosition(randomPos, 0, -50)
}
/**
* 组合1创建 横向排列 z轴50，x轴从-20开始
*
*/
public createCombination1() {
const enemyArray = new Array(5)//飞机数组
for (let i = 0; i
const enemyArray = new Array(7)//飞机数组
// 位置数组
const combinationPos = [
-21, 0, -60,
-14, 0, -55,
-7, 0, -50,
0, 0, -45,
7, 0, -50,
14, 0, -55,
21, 0, -60
]
for (let i = 0; i
this._isShooting = value;
}
/**
* 默认发射子弹
*/
private _init() {
this._currShootTime = this.shootTime;
this._changePlanMode();
}
/**
* 设计定时器
*/
private _changePlanMode() {
/**
* 每10秒改变一次状态，执行三次，根据状态就能决定采用什么组合
*/
this.schedule(this._modeChanged, 10, 3);//组件自带定时器(回调函数，间隔时间,重复次数，延迟时间)
}
private _modeChanged() {
this._combinationInterval++
}
}
Bullet.ts
import { _decorator, Component, Node } from 'cc';
const { ccclass, property } = _decorator;
@ccclass('Bullet')
export class Bullet extends Component {
// 子弹速度
private _bulletSpeed = 0;
private _isEnemyBullet = false;//判断是否是敌机子弹
start() {
// [3]
}
update(deltaTime: number) {
// 子弹移动
const pos = this.node.position;
let moveLength = 0
// 敌机子弹
if (this._isEnemyBullet) {
moveLength = pos.z + this._bulletSpeed;
this.node.setPosition(pos.x, pos.y, moveLength);
// 超出屏幕销毁
if (moveLength > 50) {//敌机子弹移动的最大位置范围为50
this.node.destroy();
}
} else {//玩家子弹
moveLength = pos.z - this._bulletSpeed;
this.node.setPosition(pos.x, pos.y, moveLength);
// 超出屏幕销毁
if (moveLength
this._bulletSpeed = speed
this._isEnemyBullet = isEnemyBullet
}
}
EnemyPlane.ts
import { _decorator, Component, Node } from 'cc';
import { GameManager } from '../framework/GameManager';
const { ccclass, property } = _decorator;
// 敌机销毁位置
const OUTOFBOUNCE = 50
@ccclass('EnemyPlane')
export class EnemyPlane extends Component {
/** 子弹发射周期 */
@property
public createBulletTime = 0.5
// 敌机速度
private _enemySpeed = 0;
private _needBullet = false//当前是否发射子弹
private _gameManager: GameManager = null
private _currCreateBulletTime = 0
// // 敌机类型
// public enemyType = Constant.EnemyType.TYPE1
start() {
// [3]
}
update(deltaTime: number) {
const pos = this.node.position
const movePos = pos.z + this._enemySpeed
// 因为敌机向西飞所以为正向
this.node.setPosition(pos.x, pos.y, movePos)
if (this._needBullet) {//发射子弹逻辑
this._currCreateBulletTime += deltaTime
if (this._currCreateBulletTime > this.createBulletTime) {
this._gameManager.createEnemyBullet(this.node.position)
this._currCreateBulletTime = 0
}
}
if (movePos > OUTOFBOUNCE) {//超出边界销毁
this.node.destroy()
}
}
/**
* 设置飞机移动速度
* @param speed 移动速度
*/
show(gameManager: GameManager, speed: number, needBullet: boolean) {
this._gameManager = gameManager
this._enemySpeed = speed
this._needBullet = needBullet
}
}
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