/// <summary>
/// Returns an axis-locked version of the specified vector, if requested by the user. Doesn't
/// do anything when no axis lock is in currently active.
/// </summary>
/// <param name="baseVec">The base vector without any locking in place.</param>
/// <param name="lockedVec">A reference vector that represents the base vector being locked to all axes at once.</param>
/// <param name="beginToTarget">The movement vector to evaluate in order to determine the axes to which the base vector will be locked.</param>
/// <returns></returns>
protected Vector3 ApplyAxisLock(Vector3 baseVec, Vector3 lockedVec, Vector3 beginToTarget)
{
bool shift = (Control.ModifierKeys & Keys.Shift) != Keys.None;
if (!shift)
{
this.actionLockedAxis = LockedAxis.None;
return(baseVec);
}
else
{
float xWeight = MathF.Abs(Vector3.Dot(beginToTarget.Normalized, Vector3.UnitX));
float yWeight = MathF.Abs(Vector3.Dot(beginToTarget.Normalized, Vector3.UnitY));
float zWeight = MathF.Abs(Vector3.Dot(beginToTarget.Normalized, Vector3.UnitZ));
if (xWeight >= yWeight && xWeight >= zWeight)
{
this.actionLockedAxis = LockedAxis.X;
return(new Vector3(baseVec.X, lockedVec.Y, lockedVec.Z));
}
else if (yWeight >= xWeight && yWeight >= zWeight)
{
this.actionLockedAxis = LockedAxis.Y;
return(new Vector3(lockedVec.X, baseVec.Y, lockedVec.Z));
}
else if (zWeight >= yWeight && zWeight >= xWeight)
{
this.actionLockedAxis = LockedAxis.Z;
return(new Vector3(lockedVec.X, lockedVec.Y, baseVec.Z));
}
return(lockedVec);
}
}
protected override void OnKeyUp(KeyEventArgs e)
{
if (e.KeyCode == Keys.ShiftKey)
{
this.actionLockedAxis = LockedAxis.None;
this.UpdateAction();
}
else if (e.KeyCode == Keys.ControlKey)
{
this.UpdateAction();
}
base.OnKeyUp(e);
}
