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44 lines
1.3 KiB
44 lines
1.3 KiB
#include "enemybullet.h"
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#include"gamewidget.h"
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#include <QtMath>
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enemyBullet::enemyBullet(EnemyBase *_owner, BulletDir _dir, int _Attack, qreal _speed,int _type)
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{
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mOwner = _owner;
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mAttackPoint = _Attack;
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//qDebug()<<mAttackPoint;
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mSpeed = _speed;
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type = _type;
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if(type == 0)
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{
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this->setPixmap(QPixmap(":/icons/img/enemybulletsample.png"));
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this->setScale(0.5);
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}
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else if(type == 1)
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{
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QPointF _Dir = GameWidget::widget->getPlayer()->getCenterPos() - mOwner->getCenterPos();
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qreal _x = _Dir.x();
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qreal _y = _Dir.y();
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_x = QString::number(_x,'f',2).toDouble();
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_y = QString::number(_y,'f',2).toDouble();
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qreal _r = qSqrt(qPow(_x,2) + qPow(_y,2));
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if(_r == 0) return;
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//保留两位小数
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_r = QString::number(_r,'f',2).toDouble();
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qreal dx = _x/_r;
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qreal dy = _y/_r;
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dx = QString::number(dx,'f',2).toDouble();
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dy = QString::number(dy,'f',2).toDouble();
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moveDir = QPointF(dx,dy);
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this->setPixmap(QPixmap(":/icons/img/bomb.png"));
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this->setScale(0.2);
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}
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mPos = mOwner->getCenterPos() - QPointF(this->pixmap().width()*scale()/2,this->pixmap().height()*scale()/2);
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this->setPos(mPos);
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mDir = _dir;
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}
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