/// <summary>
/// the collision data you enter gets changed through
/// pass by reference and will hold additional data about the collision
/// </summary>
/// <param name="rect1"></param>
/// <param name="rect2"></param>
/// <param name="collisonData"></param>
/// <returns>bool</returns>
public static bool collisionCheck(Rectangle rect1, Rectangle rect2, ref CollisionType collisonData)
{
collisonData.clearData();
//get the overlap area
Rectangle.Intersect(ref rect1, ref rect2, out collisonData.m_OverlapArea);
//if the width and height are bigger than zero it means they collided
if (collisonData.m_OverlapArea.Width > 0 && collisonData.m_OverlapArea.Height > 0)
{
collisonData.m_WasThereACollision = true;
if (collisonData.m_OverlapArea.Width > collisonData.m_OverlapArea.Height)
{
//either top or bottom collision
if (rect1.Bottom > rect2.Top && rect1.Center.Y < rect2.Center.Y)
{
collisonData.m_FirstObjectSideCollided = SideCollided.BOTTOM;
collisonData.m_SecondObjectSideCollided = SideCollided.TOP;
}
else if (rect1.Top < rect2.Bottom && rect1.Center.Y > rect2.Center.Y)
{
collisonData.m_FirstObjectSideCollided = SideCollided.TOP;
collisonData.m_SecondObjectSideCollided = SideCollided.BOTTOM;
}
}
else
{
//left or right collision
if (rect1.Right > rect2.Left && rect1.Center.X < rect2.Center.X)
{
collisonData.m_FirstObjectSideCollided = SideCollided.RIGHT;
collisonData.m_SecondObjectSideCollided = SideCollided.LEFT;
}
else if (rect1.Left < rect2.Right && rect1.Center.X > rect2.Center.X)
{
collisonData.m_FirstObjectSideCollided = SideCollided.LEFT;
collisonData.m_SecondObjectSideCollided = SideCollided.RIGHT;
}
}
return true;
}
return false;
}
/// <summary>
/// the collision data you enter gets changed through
/// pass by reference and will hold additional data about the collision
/// </summary>
/// <param name="rect1"></param>
/// <param name="rect2"></param>
/// <param name="collisonData"></param>
/// <returns>bool</returns>
public static bool collisionCheck(Rectangle rect1, Rectangle rect2, ref CollisionType collisonData)
{
collisonData.clearData();
//get the overlap area
Rectangle.Intersect(ref rect1, ref rect2, out collisonData.m_OverlapArea);
//if the width and height are bigger than zero it means they collided
if (collisonData.m_OverlapArea.Width > 0 && collisonData.m_OverlapArea.Height > 0)
{
collisonData.m_WasThereACollision = true;
if (collisonData.m_OverlapArea.Width > collisonData.m_OverlapArea.Height)
{
//either top or bottom collision
if (rect1.Bottom > rect2.Top && rect1.Center.Y < rect2.Center.Y)
{
collisonData.m_FirstObjectSideCollided = SideCollided.BOTTOM;
collisonData.m_SecondObjectSideCollided = SideCollided.TOP;
}
else if (rect1.Top < rect2.Bottom && rect1.Center.Y > rect2.Center.Y)
{
collisonData.m_FirstObjectSideCollided = SideCollided.TOP;
collisonData.m_SecondObjectSideCollided = SideCollided.BOTTOM;
}
}
else
{
//left or right collision
if (rect1.Right > rect2.Left && rect1.Center.X < rect2.Center.X)
{
collisonData.m_FirstObjectSideCollided = SideCollided.RIGHT;
collisonData.m_SecondObjectSideCollided = SideCollided.LEFT;
}
else if (rect1.Left < rect2.Right && rect1.Center.X > rect2.Center.X)
{
collisonData.m_FirstObjectSideCollided = SideCollided.LEFT;
collisonData.m_SecondObjectSideCollided = SideCollided.RIGHT;
}
}
return(true);
}
return(false);
}
