public bool Intersects(DCollider collider)
{
DBox3DCollider bbox = (collider.Type == ColliderType.Box3D) ? (DBox3DCollider)collider : ((DSphereCollider)collider).BoundingBox;
Vector2F min = position;
Vector2F max = position + Vector2F.One * size;
//if (max.x < bbox.Min.x || min.x > bbox.Max.x) return false;
//if (max.y < bbox.Min.y || min.y > bbox.Max.y) return false;
return(true);
}
/// <summary>
/// Creates a new circle collider with the given position and radius.
/// </summary>
/// <param name="position">the center of the circle</param>
/// <param name="radius">the radius of the circle</param>
public DSphereCollider(Vector3F position, Fix32 radius, bool isTrigger, bool isDebug)
: base(ColliderType.Sphere, isTrigger, isDebug)
{
this.center = position;
this.radius = radius;
Vector3F scale = new Vector3F(radius * (Fix32)2, radius * (Fix32)2, radius * (Fix32)2);
Vector3F euler = new Vector3F(0, 0, 0);
boundingBox = new DBox3DCollider(center, scale, euler, isTrigger, isDebug);
}
/// <summary>
/// Removes the given object from the grid.
/// </summary>
/// <param name="obj">the rigid body</param>
public void Remove(DBody obj)
{
DBox3DCollider box = obj.Collider.GetContainer();
//Coord min = Hash(box.Min);
//Coord max = Hash(box.Max);
//if (!IsInsideBounds(min) || !IsInsideBounds(max))
// return;
//for (int i = min.x; i <= max.x; i++) {
// for (int j = min.y; j <= max.y; j++) {
// Remove(obj, i, j);
// }
//}
}
/// <summary> /// Abstract function for intersections with boxes. /// </summary> /// <param name="other">box3d collider.</param> /// <param name="intersection">collision data.</param> /// <returns></returns> public abstract bool Intersects(DBox3DCollider other, out Manifold intersection);
/// <summary>
/// Checks whether the two boxes collide, generating an intersection containing the collision data.
/// This function can only compare bounding boxes againsts other bounding boxes.
/// </summary>
/// <param name="other">bounding box to check</param>
/// <param name="intersection">the collision data, <code>null</code> if no collision has been detected.</param>
/// <returns></returns>
public override bool Intersects(DBox3DCollider other, out Manifold intersection)
{
intersection = null;
return(false);
}
/// <summary>
/// Checks whether the given box collider intersects with this circle, calculating
/// the collision data in that case.
/// </summary>
/// <param name="other">box collider to check</param>
/// <param name="intersection">the collision data, <code>null</code> if no collision has been detected.</param>
/// <returns>true if the colliders intersect, false otherwise.</returns>
public override bool Intersects(DBox3DCollider other, out Manifold intersection)
{
intersection = null;
return(other.Intersects(this, out intersection));
}
