/// <summary>
/// Perform the necessary checks for collision between objects
/// </summary>
/// <param name="tree"></param>
public static void UpdateCollision(QuadTree <IQuadtreeObject> tree)
{
// Insert objects into the tree
foreach (IQuadtreeObject obj in AllObjects)
{
tree.Insert(obj);
}
// The centre of the query range
// Currently will be just the size of the screen
Vector2 centre = new Vector2(tree.Boundary.centre.x, tree.Boundary.centre.y);
// The half size of the query range
Vector2 size = centre;
AABB range = new AABB(centre, size);
// Getting the objects that are in range
List <IQuadtreeObject> objects = tree.QueryRange(range);
bool hasCollided = false;
foreach (IQuadtreeObject obj in objects)
{
foreach (IQuadtreeObject quadObj in objects)
{
if (obj != quadObj)
{
hasCollided = SAT.IsColliding(obj.collider, quadObj.collider);
if (hasCollided && !obj.collider.isColliding && !quadObj.collider.isColliding)
{
// Update the velocity after collision
// Combined masses
double masses = quadObj.Mass + obj.Mass;
Vector2[] velocities = OnCollision(obj, quadObj);
obj.velocity = velocities[0];
quadObj.velocity = velocities[1];
obj.collider.isColliding = true;
quadObj.collider.isColliding = true;
if (DebugTools.PrintCollisionVelocities)
{
// Print out the name of the class, the name of the objects and the velocity of each object
Console.WriteLine("(1) Object Manager - Name: " + obj.Name + "\t Velocity: " + obj.velocity.ToString());
Console.WriteLine("(2) Object Manager - Name: " + quadObj.Name + "\t Velocity: " + quadObj.velocity.ToString());
}
}
else
{
obj.collider.isColliding = false;
quadObj.collider.isColliding = false;
}
}
}
}
// Once every collision has been calculated, the quad is cleared.
tree.ClearQuad();
}