/// <summary>
/// Rotates the entity using roll, yaw and pitch values.
/// </summary>
/// <param name="x">The angle used to roll the entity in radians (rotate around x-Axis).</param>
/// <param name="y">The angle used to yaw the entity in radians (rotate around y-Axis).</param>
/// <param name="z">The angle used to pitch the entity in radians (rotate around z-Axis).</param>
/// <param name="space">The coordinate system that should be used to rotate the entity: local or world space.</param>
public void Rotate(float x, float y, float z, TransformationSpace space)
{
// Perform rotation
Quaternion rotate = Quaternion.CreateFromYawPitchRoll(y, x, z);
switch (space)
{
case TransformationSpace.Local:
Quaternion.Multiply(ref _rotation, ref rotate, out _rotation);
break;
case TransformationSpace.World:
Quaternion.Multiply(ref rotate, ref _rotation, out _rotation);
break;
}
// Accumulate for numerical errors
_rotation.Normalize();
// Force an update of dependent properties
_dirtyFlag |= (DirtyFlags.LocalAxis | DirtyFlags.Transform);
_propertyChangedFlag |= PropertyChangedFlag.Orientation;
}
/// <summary>
/// Rotates the entity using euler angles in radians.
/// </summary>
/// <param name="eulerAngles">The angles to rotate the entity in radians.</param>
/// <param name="space">The coordinate system that should be used to rotate the entity: local or world space.</param>
public void Rotate(Vector3 eulerAngles, TransformationSpace space)
{
Rotate(eulerAngles.X, eulerAngles.Y, eulerAngles.Z, space);
}
/// <summary>
/// Moves the entity the specified amount into the specified
/// direction.
/// </summary>
/// <param name="translation">The amount and direction to move to.</param>
/// <param name="space">The coordinate system that should be used to move the entity: local or world space.</param>
public void Move(Vector3 translation, TransformationSpace space)
{
Move(translation, 1f, space);
}
/// <summary>
/// Moves the entity the specified amount into the specified
/// direction.
/// </summary>
/// <param name="direction">The direction to move.</param>
/// <param name="amount">The amount to move the entity into that direction.</param>
/// <param name="space">The coordinate system that should be used to move the entity: local or world space.</param>
public void Move(Vector3 direction, float amount, TransformationSpace space)
{
if (space == TransformationSpace.Local)
{
Vector3.Transform(ref direction, ref _rotation, out direction);
direction.Normalize();
}
_translation += direction * amount;
_dirtyFlag |= DirtyFlags.Transform;
_propertyChangedFlag |= PropertyChangedFlag.Translation;
}
public void SetSpace(TransformationSpace space)
{
Space = space;
}
