149 lines
4.5 KiB
TypeScript
149 lines
4.5 KiB
TypeScript
import { _decorator, Component, Node, Vec3, input, Input, EventTouch, Camera, view } from 'cc';
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const { ccclass, property } = _decorator;
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@ccclass('PlayerController')
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export class PlayerController extends Component {
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@property(Node)
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player: Node | null = null; // 玩家节点
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@property(Camera)
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camera: Camera | null = null; // 主摄像机
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@property({ range: [1, 20] })
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moveSpeed: number = 5; // 移动速度
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@property
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mapWidth: number = 1080; // 地图宽度
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@property
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mapHeight: number = 2560; // 地图高度
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private isMoving: boolean = false;
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private targetPosition: Vec3 = new Vec3();
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private originalPosition: Vec3 = new Vec3();
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onLoad() {
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// 注册触摸事件
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input.on(Input.EventType.TOUCH_START, this.onTouchStart, this);
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}
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onDestroy() {
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// 移除触摸事件
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input.off(Input.EventType.TOUCH_START, this.onTouchStart, this);
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}
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start() {
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if (this.player) {
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this.originalPosition.set(this.player.position);
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}
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}
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private onTouchStart(event: EventTouch) {
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if (!this.player || !this.camera) return;
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// 获取触摸点的UI坐标
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const touchLocation = event.getUILocation();
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// 将UI坐标转换为世界坐标
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const worldPos = this.screenToWorldPoint(touchLocation);
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console.log(`触摸UI坐标: (${touchLocation.x}, ${touchLocation.y})`);
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console.log(`转换后世界坐标: (${worldPos.x.toFixed(2)}, ${worldPos.y.toFixed(2)})`);
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this.moveToPosition(worldPos);
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}
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private screenToWorldPoint(screenPos: { x: number, y: number }): Vec3 {
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if (!this.camera) {
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console.error('Camera未设置，无法进行坐标转换');
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return new Vec3(screenPos.x, screenPos.y, 0);
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}
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// 获取可见区域大小
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const visibleSize = view.getVisibleSize();
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// 计算屏幕中心点
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const centerX = visibleSize.width * 0.5;
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const centerY = visibleSize.height * 0.5;
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// 将屏幕坐标转换为以屏幕中心为原点的坐标
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const normalizedX = screenPos.x - centerX;
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const normalizedY = screenPos.y - centerY;
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// 考虑相机的位置偏移
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const cameraPos = this.camera.node.position;
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// 计算世界坐标
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const worldX = normalizedX + cameraPos.x;
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const worldY = normalizedY + cameraPos.y;
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return new Vec3(worldX, worldY, 0);
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}
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private moveToPosition(worldPos: Vec3) {
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if (!this.player) return;
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// 限制目标位置在地图边界内
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const clampedPos = this.clampPlayerPosition(worldPos);
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// 设置目标位置（保持Z轴不变）
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this.targetPosition.set(clampedPos.x, clampedPos.y, this.player.position.z);
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this.isMoving = true;
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console.log(`移动目标: (${clampedPos.x.toFixed(2)}, ${clampedPos.y.toFixed(2)})`);
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}
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// 限制玩家位置在地图边界内
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private clampPlayerPosition(position: Vec3): Vec3 {
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// 计算地图边界（地图锚点为0.5,0.5，所以范围是-mapWidth/2到+mapWidth/2）
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const mapHalfWidth = this.mapWidth * 0.5;
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const mapHalfHeight = this.mapHeight * 0.5;
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// 限制玩家位置
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const clampedPosition = position.clone();
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clampedPosition.x = Math.max(-mapHalfWidth, Math.min(mapHalfWidth, position.x));
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clampedPosition.y = Math.max(-mapHalfHeight, Math.min(mapHalfHeight, position.y));
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return clampedPosition;
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}
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update(deltaTime: number) {
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if (!this.isMoving || !this.player) return;
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const currentPos = this.player.position;
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const distance = Vec3.distance(currentPos, this.targetPosition);
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// 如果距离很小，直接到达目标位置
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if (distance < 0.1) {
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this.player.position = this.targetPosition.clone();
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this.isMoving = false;
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console.log('到达目标位置');
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return;
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}
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// 计算移动方向
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const direction = new Vec3();
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Vec3.subtract(direction, this.targetPosition, currentPos);
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direction.normalize();
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// 计算这一帧应该移动的距离
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const moveDistance = this.moveSpeed * deltaTime * 100; // 增加移动速度倍数
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// 如果剩余距离小于这一帧要移动的距离，直接到达目标
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if (distance <= moveDistance) {
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this.player.position = this.targetPosition.clone();
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this.isMoving = false;
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console.log('到达目标位置');
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} else {
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// 正常移动
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const newPosition = new Vec3();
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Vec3.scaleAndAdd(newPosition, currentPos, direction, moveDistance);
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// 确保新位置在地图边界内
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const clampedNewPosition = this.clampPlayerPosition(newPosition);
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this.player.position = clampedNewPosition;
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}
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}
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} |