在游戏设计中,经常会涉及到用手指控制游戏主角的移动,下面就是其cocos2dx的实现(基于cocos2dx2.1.4)
<span style="font-family:KaiTi_GB2312;font-size:14px;">bool MainScene::ccTouchBegan(CCTouch *pTouch,CCEvent *pEvent){ CCPoint point = pTouch->getLocationInView(); point = CCDirector::sharedDirector()->convertToGL(point); previousPoint = CCPointMake(point.x,point.y); return true; } void MainScene::ccTouchMoved(CCTouch *pTouch,CCEvent *pEvent){ //static CCPoint previousPoint; CCPoint curpos = pTouch->getLocationInView(); curpos = CCDirector::sharedDirector()->convertToGL(curpos); //重新添加触摸移动代码 CCPoint mPoint = m_player->getPosition(); CCPoint distaceXY = CCPointMake(mPoint.x-curpos.x,mPoint.y-curpos.y); float xx = curpos.x-previousPoint.x; float yy = curpos.y-previousPoint.y; previousPoint = CCPointMake(curpos.x,curpos.y); if(mPoint.x+xx >= 770 || mPoint.x+xx <= 90 || mPoint.y+yy <= 40 || mPoint.y+yy >= 440){ if((mPoint.x+xx <= 90 && mPoint.y+yy >= 440) || (mPoint.x+xx <= 90 && mPoint.y+yy <= 40) || (mPoint.x+xx >= 770 && mPoint.y+yy >= 440) || (mPoint.x+xx >= 770 && mPoint.y+yy <= 40)){ m_player->setPosition(mPoint.x,mPoint.y); }else{ if(mPoint.x+xx >= 770 && xx > 0){ m_player->setPositionY(mPoint.y+yy); } if(mPoint.x+xx <= 90 && xx < 0){ m_player->setPositionY(mPoint.y+yy); } if(mPoint.y+yy >= 440 && yy > 0){ m_player->setPositionX(mPoint.x+xx); } if(mPoint.y+yy <= 40 && yy < 0){ m_player->setPositionX(mPoint.x+xx); } } }else{ m_player->setPosition(ccp(mPoint.x+xx,mPoint.y+yy)); } } void MainScene::ccTouchEnded(CCTouch *pTouch,CCEvent *pEvent){ this->setSpeed(0,0); } void MainScene::registerWithTouchDispatcher(){ CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this,true); }</span>
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