1<?php 2 3/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ 4 5/** 6 * 3d Library 7 * 8 * PHP versions 5 9 * 10 * LICENSE: 11 * This library is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Lesser General Public 13 * License as published by the Free Software Foundation; either 14 * version 2.1 of the License, or (at your option) any later version. 15 * 16 * This library is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * Lesser General Public License for more details. 20 * 21 * You should have received a copy of the GNU Lesser General Public 22 * License along with this library; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 24 * 25 * @category Image 26 * @package Image_3D 27 * @author Kore Nordmann <3d@kore-nordmann.de> 28 * @copyright 1997-2005 Kore Nordmann 29 * @license http://www.gnu.org/licenses/lgpl.txt lgpl 2.1 30 * @version CVS: $Id$ 31 * @link http://pear.php.net/package/PackageName 32 * @since File available since Release 0.1.0 33 */ 34 35 36/** 37 * Image_3D_Light 38 * 39 * @category Image 40 * @package Image_3D 41 * @author Kore Nordmann <3d@kore-nordmann.de> 42 * @copyright 1997-2005 Kore Nordmann 43 * @license http://www.gnu.org/licenses/lgpl.txt lgpl 2.1 44 * @version Release: @package_version@ 45 * @link http://pear.php.net/package/PackageName 46 * @since Class available since Release 0.1.0 47 */ 48class Image_3D_Light extends Image_3D_Coordinate implements Image_3D_Interface_Paintable 49{ 50 51 protected $_color; 52 53 public function __construct($x, $y, $z) 54 { 55 parent::__construct($x, $y, $z); 56 $this->_color = null; 57 $this->_position = null; 58 } 59 60 public function getPolygonCount() 61 { 62 return 0; 63 } 64 65 public function setColor(Image_3D_Color $color) 66 { 67 $this->_color = $color; 68 } 69 70 public function getRawColor() 71 { 72 return $this->_color; 73 } 74 75 public function setOption($option, $value) 76 { 77 $this->_option[$option] = $value; 78 } 79 80 public function getColor(Image_3D_Interface_Enlightenable $polygon) 81 { 82 $color = clone ($polygon->getColor()); 83 84 // Create vector from polygons point to light source 85 $light = new Image_3D_Vector($this->_x, $this->_y, $this->_z); 86 $light->sub($polygon->getPosition()); 87 88 // Create vector from polygons point to camera 89// $camera = new Image_3D_Vector(0, 0, -100); 90// $camera->sub($polygon->getPosition()); 91 92 // Compare with polygones normale vector 93 $normale = $polygon->getNormale(); 94 $angle = $normale->getAngle($light); 95 96 // Use angle as light intensity 97 $color->addLight($this->_color, $angle); 98 return $color; 99 } 100} 101 102?> 103