// Draw the ship's bullet (if it exists)
void RenderShipBullet()
{
if ( !firing && GetAsyncKeyState( VK_SPACE ) )
{
bulletx = ScrW() / 2 + shipx;
bullety = ScrH() - 110;
firing = true;
}
if ( firing )
{
render.SetDrawColor( 255, 255, 255 );
render.DrawLine( bulletx, bullety, bulletx, bullety + 10 );
bullety -= BULLETSPEED;
if ( bullety <= 0 )
firing = false;
else
CheckShipBulletCollision();
}
}
void GameManager::RunCollisionCheck()
{
for (vector<CBullet*>::iterator bulletIter = shipObj->BulletList.begin(); bulletIter != shipObj->BulletList.end();)
{
bool killBullet = false;
if ((*bulletIter)->fireByPlayer == true) // if bullets fired by player
{
//Check if enemies are hit
for (vector<CEnemyShip*>::iterator eShipIter = enemyList.begin(); eShipIter != enemyList.end(); )
{
bool kill = false;
if (CheckShipBulletCollision(*eShipIter, *bulletIter) && ((*bulletIter)->fireByPlayer == true)) //Player hit enemy
{
kill = true;
particleObj->ExplosionAt((*eShipIter)->getPos());
score += static_cast<int>(100 * (shipObj->getHp() * 0.5));
}
else if((*eShipIter)->getZPos() > 10)//ship Out of screen
{
kill = true;
}
if (kill)
{
killBullet = true;
if ((*eShipIter))
{
delete (*eShipIter);
(*eShipIter) = 0;
}
eShipIter = enemyList.erase(eShipIter);
}
else
{
++eShipIter;
}
}
}
else //Bullets fired by enemies
{
if ((*bulletIter)->getPosPtr()->z > -10.0f) //Bullets are close to player
{
if (CheckShipBulletCollision(shipObj, *bulletIter))
{
particleObj->ExplosionAt((*shipObj).getPos());
shipObj->subtractHP();
killBullet = true;
}
}
}
if (killBullet) //Erase bullet if it has collided
{
if ((*bulletIter))
{
delete (*bulletIter);
(*bulletIter) = 0;
}
bulletIter = shipObj->BulletList.erase(bulletIter);
}
else
{
++bulletIter;
}
}
//Check if ships have collided with player
for (vector<CEnemyShip*>::iterator eShipIter = enemyList.begin(); eShipIter != enemyList.end(); )
{
bool shipCollision = false;
if ((*eShipIter)->getEnemyType() == 0)
{
if ((*eShipIter)->getZPos() > -10.0f)
{
if (CheckShipShipCollision((*eShipIter), shipObj))
{
shipCollision = true;
shipObj->subtractHP();
particleObj->ExplosionAt((*eShipIter)->getPos());
if ((*eShipIter))
{
delete (*eShipIter);
(*eShipIter) = 0;
}
eShipIter = enemyList.erase(eShipIter);
}
else
{
++eShipIter;
continue;
}
}
++eShipIter;
continue;
}
else
{
++eShipIter;
}
}
}
