/// <summary>
/// Makes this <see cref="GameElement"/> look at the given <paramref name="targetPosition"/>.
/// </summary>
/// <param name="targetPosition">The target translation to look at.</param>
public void LookAt(Point3f targetPosition)
{
Matrix4f lookAtMatrix = Matrix4f.LookAt(Position, targetPosition, UpVector);
Matrix4f transformation = Matrix4f.CreateTranslation(Translation);
Matrix4f ret = (lookAtMatrix * transformation);
Vector3f direction = Point3f.CreateVector(targetPosition, Position);
Vector3f rotation = ret.GetEulerAngles();
if (direction.Z <= 0)
{
rotation.Y *= -1;
}
if (direction.Z == 0 && direction.Y == 0 && direction.X != 0)
{
rotation.Y = MathHelper.PiOver2 * (direction.X < 0 ? 1 : (direction.X > 0 ? -1 : 0));
}
if (direction.Z == 0 && direction.X == 0 && direction.Y != 0)
{
rotation.X = MathHelper.PiOver2 * (direction.Y < 0 ? 1 : (direction.Y > 0 ? -1 : 0));
}
Rotation = rotation;
//LookAt(Point3f.CreateVector(targetPosition, Position));
}
public override void Update()
{
if (_innerRigidBody != null && _shouldUpdate)
{
Collider c = _geCollider;
Transform t = gameElement.WorldTransform;
// _innerRigidBody.MotionState.WorldTransform = (Matrix)t.GetTransformation();
// .ActivationState == ActivationState.ActiveTag ? activeColor : passiveColor
Matrix4f transform = _rbWorldTransfom;
//gameElement.LocalTransform.Move(transform.GetTranslate());
//gameElement.LocalTransform.Rotate(transform.GetEulerAngles());
Vector3f
newT = transform.GetTranslate(),
newR = transform.GetEulerAngles(),
deltaT = newT - _lastTranslate,
deltaR = newR - _lastRotate;
gameElement.LocalTransform.SetTranslation(newT);
gameElement.LocalTransform.SetRotation(newR);
_lastRotate = newR;
_lastTranslate = newT;
_shouldUpdate = false;
}
}
