// Checks collision of the given object against the edges of the level
public void CheckShip(Object toCheck, Levels.SpaceLevel level)
{
bool currentHit = false;
Vector2 translationVector, centerDiff;
translationVector = Vector2.Zero;
centerDiff = new Vector2(level.GetLevelWidth() - toCheck.GetCenter().X, level.GetLevelHeight() - toCheck.GetCenter().Y);
if (CheckIntersection(toCheck.collisionPolygons, level.collisionPolygons, centerDiff, ref translationVector, true))
{
toCheck.SetPosition(new Vector2(toCheck.GetPosition().X + translationVector.X, toCheck.GetPosition().Y + translationVector.Y));
currentHit = true; ;
}
if (!currentHit)
{
//If they are not currently intersecting, check if they will intersect
Vector2 oldPosition1 = toCheck.GetPosition();
toCheck.SetPosition(new Vector2(oldPosition1.X + toCheck.Velocity.X, oldPosition1.Y + toCheck.Velocity.Y));
bool futureRet = CheckIntersection(toCheck.collisionPolygons, level.collisionPolygons, centerDiff, ref translationVector, true);
if (futureRet)
{
// Set the position back now that the future collision has been checked
toCheck.SetPosition(oldPosition1);
currentHit = true;
}
}
if (currentHit)
{
float speed = toCheck.Velocity.Length();
toCheck.Velocity = Vector2.Normalize(translationVector);
toCheck.Velocity *= speed;
}
}