void AttackTower::shoot(float dt)
{
GameManager *instance = GameManager::getInstance();
auto bulletVector = instance->bulletVector;
checkNearestEnemy();
if(nearestEnemy!=NULL && nearestEnemy->getCurrHp() > 0 )
{
auto currBullet = AttackTowerBullet();
instance->bulletVector.pushBack(currBullet);
auto moveDuration = getRate();
Point shootVector = nearestEnemy->sprite->getPosition() - this->getPosition();
Point normalizedShootVector = -shootVector.normalize();
auto farthestDistance = Director::getInstance()->getWinSize().width;
Point overshotVector = normalizedShootVector * farthestDistance;
Point offscreenPoint = (currBullet->getPosition() - overshotVector);
currBullet->runAction(Sequence::create(MoveTo::create(moveDuration, offscreenPoint),
CallFuncN::create(CC_CALLBACK_1(AttackTower::removeBullet, this)),
NULL));
currBullet = NULL;
}
}
void ArrowTower::rotateAndShoot(float dt) {
checkNearestEnemy();
if (nearestEnemy != NULL) {
auto rotateVector = nearestEnemy->getPosition() - this->getPosition();
float rotateradians = rotateVector.getAngle();
float rotateDegrees = CC_RADIANS_TO_DEGREES(-1 * rotateradians);
float speed = 0.5 / M_PI;
float rotateDuration = fabs(rotateradians * speed);
rotateArrow->runAction(Sequence::create(RotateTo::create(rotateDuration, rotateDegrees),
CallFunc::create(CC_CALLBACK_0(ArrowTower::shoot, this)),NULL));
}
}
void ArrowTower::rotateAndShoot(float dt)
{
checkNearestEnemy();
if (nearestEnemy != NULL)
{
shoot();
}
}
void ArtilleryTower::rotateAndShoot(float dt)
{
checkNearestEnemy(0.5);
if (nearestEnemy != nullptr && nearestEnemy->getIsVisible()&&!isSilenced) //找到射击范围内最近的敌人
{
Point enemyAndTowerVector = nearestEnemy->getPosition() - this->getPosition(); //得到敌人与本炮塔之间的向量
float rotateRadians = enemyAndTowerVector.getAngle(); //得到该向量与x轴的夹角 弧度制
float rotateDegrees = CC_RADIANS_TO_DEGREES(-1 * rotateRadians);
float speed = 0.5 / M_PI; //表示pi，是一个宏
float rotateDuration = fabs(speed * rotateRadians);//得到炮塔旋转时间,注意绝对值
//log("enemyPos: %f %f", nearestEnemy->getPosition().x, nearestEnemy->getPosition().y);
//log("towerPos: %f %f", this->getPosition().x, this->getPosition().y);
rotateArtillery->runAction(Sequence::create(RotateTo::create(rotateDuration, rotateDegrees-90)/*, CallFuncN::create(CC_CALLBACK_0(ArtilleryTower::shoot, this))*/, NULL)); //先旋转再开火，注意角度要减90度才能对应上炮管
//分开使用，开火速率不同于旋转速率
}
}
