public PhysicsBody(GameObject gameObject)
{
GameObject = gameObject;
AffectedByGravity = true;
LinearAcceleration = Vector2.Zero;
Direction = PhysicsConstants.RightDirection;
}
public void TestRectangleColliderCreation()
{
GameObject gameObject = new GameObject(new Vector2(100, 100), "");
gameObject.Size = new Vector2(50, 50);
RectangleCollider collider = new RectangleCollider(gameObject);
Rectangle expectedRectangle = new Rectangle(75, 75, 50, 50);
Assert.AreEqual(expectedRectangle, collider.Bounds);
}
public void TestPointIntersection()
{
GameObject gameObject = new GameObject(new Vector2(100, 100), "");
gameObject.Size = new Vector2(50, 50);
RectangleCollider collider = new RectangleCollider(gameObject);
Vector2 intersectionPoint = new Vector2(100, 100);
Assert.IsTrue(collider.CheckIntersects(intersectionPoint));
intersectionPoint = new Vector2(200, 200);
Assert.IsFalse(collider.CheckIntersects(intersectionPoint));
}
public void TestRectangleColliderCollision()
{
GameObject gameObject = new GameObject(new Vector2(100, 100), "");
gameObject.Size = new Vector2(50, 50);
RectangleCollider collider = new RectangleCollider(gameObject);
GameObject gameObject2 = new GameObject(new Vector2(150, 100), "");
gameObject2.Size = new Vector2(60, 60);
RectangleCollider collider2 = new RectangleCollider(gameObject2);
GameObject gameObject3 = new GameObject(new Vector2(200, 100), "");
gameObject3.Size = new Vector2(60, 60);
RectangleCollider collider3 = new RectangleCollider(gameObject3);
Assert.IsTrue(collider.CheckCollisionWith(collider2));
Assert.IsFalse(collider.CheckCollisionWith(collider3));
Assert.IsTrue(collider2.CheckCollisionWith(collider3));
}
public void TestRectangleIntersection()
{
GameObject gameObject = new GameObject(new Vector2(100, 100), "");
gameObject.Size = new Vector2(50, 50);
RectangleCollider collider = new RectangleCollider(gameObject);
Rectangle intersectionRectangle = new Rectangle(0, 0, 100, 100);
Assert.IsTrue(collider.CheckIntersects(intersectionRectangle));
intersectionRectangle = new Rectangle(50, 50, 50, 50);
Assert.IsTrue(collider.CheckIntersects(intersectionRectangle));
intersectionRectangle = new Rectangle(0, 0, 10, 10);
Assert.IsFalse(collider.CheckIntersects(intersectionRectangle));
intersectionRectangle = new Rectangle(175, 100, 50, 50);
Assert.IsFalse(collider.CheckIntersects(intersectionRectangle));
}
/// <summary>
/// Adds a GameObject to the manager associated with this object.
/// The object's parent will be set to this object.
/// </summary>
/// <param name="gameObjectToAdd"></param>
/// <param name="load"></param>
/// <param name="initialise"></param>
public void AddObject(GameObject gameObjectToAdd, bool load = false, bool initialise = false)
{
gameObjectToAdd.SetParent(this);
GameObjects.AddObject(gameObjectToAdd, load, initialise);
}
/// <summary>
/// A function used to indicate that a GameObject should check collisions with the BackgroundObjects and other GameObjects
/// </summary>
/// <param name="collisionObject"></param>
protected void AddCollisionObject(GameObject collisionObject)
{
Debug.Assert(collisionObject.UsesCollider);
DebugUtils.AssertNotNull(collisionObject.PhysicsBody);
CollisionObjects.Add(collisionObject);
}