PHP-Model3D-Class

3dimensional perspective drawing class

##Model3DClass

* [Model3D] class create 3 dimensional perspective view by projecting 3d coordinate system onto 2d canvas. * Current model provide 2 modes, z axis vertical and y axis vertical. * This simplest first version implement only 3 dimensional line drawing and wire frame that include 3d nodes and connected lines. * 3D object is centeted at PROJECTION_CENTER center point on the canvas view. View rotation is defined with $ROT about vertical axis. * Coordinate system obey right-hand-rule.

##Sample 1. Drawtower1.php is a sample file that use Model3D class and create 3d trustal tower. 2. index.php is a sample for the html file.

##Permission * This class is free for the educational use as long as maintain this header together with this class. Contact author for other uses.

* Author: Win Aung Cho * Contact winaungcho@gmail.com * version 1.0 * Date: 4-11-2020