/*
* This function assigns new information to a new projectile. It takes the bouding box of the
* target as its argument.
*/
ProjectileInformation NewProjectile(RectangleF targetBB, int targetIndex)
{
//creat a new projectile
ProjectileInformation newProjectile = new ProjectileInformation();
//assign all the information to the new projectile
newProjectile.x = initialXLocation;
newProjectile.y = initialYLocation;
newProjectile.boundingBox.Location = new PointF(initialXLocation, initialYLocation);
newProjectile.boundingBox.Size = projectileSize;
newProjectile.targetInstantX = targetBB.X + targetBB.Width / 2;
newProjectile.targetInstantY = targetBB.Y + targetBB.Height / 2;
newProjectile.startingX = initialXLocation;
newProjectile.startingY = initialYLocation;
newProjectile.targetSize = targetBB.Size;
if (defenseTowerType == DefenseTowerType.Normal)
{
newProjectile.image = normalProjectileImage;
}
else if (defenseTowerType == DefenseTowerType.LongRange)
{
newProjectile.image = longRangeProjectileImage;
}
else
{
newProjectile.image = missileProjectileImage;
}
newProjectile.targetIndex = targetIndex;
//return the new proejctile
return(newProjectile);
}
/*
* This function resizes the projectile list to a certain size. It takes the new size as its argument.
*/
void ResizeProjectile(int newSize)
{
//create a copy for the current list
ProjectileInformation[] copy = new ProjectileInformation[newSize];
if (newSize > projectiles.Length)
{
for (int i = HEAD, n = projectiles.Length; i < n; i++)
{
copy[i] = projectiles[i];
}
}
else
{
for (int i = HEAD; i < newSize; i++)
{
copy[i] = projectiles[i];
}
}
//resize the original array
projectiles = new ProjectileInformation[newSize];
//transfer what's on the copy to the original array
for (int i = HEAD; i < newSize; i++)
{
projectiles[i] = copy[i];
}
}