private void DrawGun(Pen pen, TestSpaceObject obj, Vector3 gun_start, Vector3 gun_end)
{
Vector3 gun_word_start = Shape.TransformToWorldPos(obj.Position, gun_start, obj.CosDir, obj.SinDir);
Vector3 gun_word_end = Shape.TransformToWorldPos(obj.Position, gun_end, obj.CosDir, obj.SinDir);
graphics_.Graphics.DrawLine(gun_pen_, gun_word_start.X, gun_word_start.Z, gun_word_end.X, gun_word_end.Z);
}
private void Form4_MouseMove(object sender, MouseEventArgs e)
{
if (is_rotate_)
{
Vector3 cent = control_obj_.GetPosition();
Vector3 gun_word_end = Shape.TransformToWorldPos(cent, gun_end_pos_, control_obj_.CosDir, control_obj_.SinDir);
double direction = GetRotateDegree(control_obj_, gun_word_end, e.X, e.Y);
control_obj_.SetFaceDirection(direction);
}
}