cocos3.8.6触碰检测方法在安卓端适配问题
protected _startTouchPos = null;
protected _isMoved = false;
protected onEnable(): void {
this.node.on(Node.EventType.TOUCH_START, this.onTouchStart, this);
this.node.on(Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
this.node.on(Node.EventType.TOUCH_END, this.onTouchEnd, this);
this.node.on(Node.EventType.TOUCH_CANCEL, this.onTouchCancel, this);
}
protected onDisable(): void {
this.node.off(Node.EventType.TOUCH_START, this.onTouchStart, this);
this.node.off(Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
this.node.off(Node.EventType.TOUCH_END, this.onTouchEnd, this);
this.node.off(Node.EventType.TOUCH_CANCEL, this.onTouchCancel, this);
}
// 触摸监听处理
private onTouchStart(event: EventTouch) {
if (this.node.children.length === 0) {
return;
}
this._isMoved = false;
const pos = event.getLocation();
this._startTouchPos = pos;
this.touchSelectCardsArr();
}
private onTouchMove(event: EventTouch) {
if (!this._startTouchPos) return;
this._isMoved = true;
const pos = event.getLocation();
if (Math.abs(pos.x - this._startTouchPos.x) < 5) return;
this.touchSelectCardsArr();
}
private onTouchEnd(event: EventTouch) {
if (!this._startTouchPos) return;
this._startTouchPos = null;
if (!this._isMoved) core.audioManager.playBtnClick();
for (const node of this.node.children) {
const card = node.getComponent(GameSKBaseCard);
if (!card.isSelected) continue;
card.isSelected = false;
if (card.isUpCard) {
card.setCardDown();
} else {
card.setCardUp();
}
card.resetColor();
}
const selectCardIds = [];
for (const node of this.node.children) {
const card = node.getComponent(GameSKBaseCard);
if (card.isUpCard) {
selectCardIds.push(card.id);
}
}
core.message.dispatchEvent(GameEvent.GAME_SELECT_CARDS, selectCardIds);
}
onTouchCancel(event: EventTouch) {
this._startTouchPos = null;
for (const node of this.node.children) {
const card = node.getComponent(GameSKBaseCard);
if (!card.isCanTouch) continue;
card.isSelected = false;
card.setCardDown();
card.resetColor();
}
core.message.dispatchEvent(GameEvent.GAME_SELECT_CARDS, []);
}
private touchSelectCardsArr(): void {
for (let i = this.node.children.length - 1; i >= 0; --i) {
const card = this.node.children[i].getComponent(GameSKBaseCard);
if (!card.isCanTouch) continue;
const uiTransform = card.node.getComponent(UITransform);
if (uiTransform.hitTest(event.getLocation())) {
card.isSelected = true;
card.setSelectColor();
return;
}
}
}
在网页端这样都没问题，正常判定两个预制体之间是否有接触
但是，在安卓或者IOS中，就失效了
需要在触摸事件中，传递触摸事件的 windowId，这样cocos底层代码在获取到windowId后会根据客户端类型进行相应的转化操作，从而使触碰检测功能正常运行
protected _startTouchPos = null;
protected _isMoved = false;
protected onEnable(): void {
this.node.on(Node.EventType.TOUCH_START, this.onTouchStart, this);
this.node.on(Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
this.node.on(Node.EventType.TOUCH_END, this.onTouchEnd, this);
this.node.on(Node.EventType.TOUCH_CANCEL, this.onTouchCancel, this);
}
protected onDisable(): void {
this.node.off(Node.EventType.TOUCH_START, this.onTouchStart, this);
this.node.off(Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
this.node.off(Node.EventType.TOUCH_END, this.onTouchEnd, this);
this.node.off(Node.EventType.TOUCH_CANCEL, this.onTouchCancel, this);
}
// 触摸选牌监听处理
private onTouchStart(event: EventTouch) {
if (this.node.children.length === 0) {
return;
}
this._isMoved = false;
const pos = event.getLocation();
this._startTouchPos = pos;
this.touchSelectCardsArr(event);
}
private onTouchMove(event: EventTouch) {
if (!this._startTouchPos) return;
this._isMoved = true;
const pos = event.getLocation();
if (Math.abs(pos.x - this._startTouchPos.x) < 5) return;
this.touchSelectCardsArr(event);
}
private onTouchEnd(event: EventTouch) {
if (!this._startTouchPos) return;
this._startTouchPos = null;
if (!this._isMoved) core.audioManager.playBtnClick();
for (const node of this.node.children) {
const card = node.getComponent(GameSKBaseCard);
if (!card.isSelected) continue;
card.isSelected = false;
if (card.isUpCard) {
card.setCardDown();
} else {
card.setCardUp();
}
card.resetColor();
}
const selectCardIds = [];
for (const node of this.node.children) {
const card = node.getComponent(GameSKBaseCard);
if (card.isUpCard) {
selectCardIds.push(card.id);
}
}
core.message.dispatchEvent(GameEvent.GAME_SELECT_CARDS, selectCardIds);
}
onTouchCancel(event: EventTouch) {
this._startTouchPos = null;
for (const node of this.node.children) {
const card = node.getComponent(GameSKBaseCard);
if (!card.isCanTouch) continue;
card.isSelected = false;
card.setCardDown();
card.resetColor();
}
core.message.dispatchEvent(GameEvent.GAME_SELECT_CARDS, []);
}
private touchSelectCardsArr(event: EventTouch): void {
for (let i = this.node.children.length - 1; i >= 0; --i) {
const card = this.node.children[i].getComponent(GameSKBaseCard);
if (!card.isCanTouch) continue;
const uiTransform = card.node.getComponent(UITransform);
if (uiTransform.hitTest(event.getLocation(), event.windowId)) {
card.isSelected = true;
card.setSelectColor();
return;
}
}
}