public function __construct($x, $y, $z, $parameter)
{
parent::__construct($x, $y, $z);
$aim = new Image_3D_Vector($parameter['aim'][0], $parameter['aim'][1], $parameter['aim'][2]);
$light = new Image_3D_Vector($this->_x, $this->_y, $this->_z);
$light->sub($aim);
$this->_direction = $light;
$this->_direction->unify();
$this->_angle = deg2rad($parameter['angle']) / 2;
$this->_float = (int) $parameter['float'];
}
public function __construct($x = 0, $y = 0, $z = 0, $parameter = array())
{
parent::__construct(0, 0, 0);
}
public function __construct($x, $y, $z, $parameter)
{
parent::__construct($x, $y, $z);
$this->_falloff = max(0, (double) $parameter['falloff']);
$this->_distance = (double) $parameter['distance'];
}
