<?php
/* ************************************************************************** */
/* */
/* main_04.php for J06 */
/* Created on : Mon Mar 31 17:37:41 2014 */
/* Made by : David "Thor" GIRON <*****@*****.**> */
/* */
/* ************************************************************************** */
require_once 'Vertex.class.php';
require_once 'Vector.class.php';
require_once 'Matrix.class.php';
require_once 'Camera.class.php';
Vertex::$verbose = False;
Vector::$verbose = False;
Matrix::$verbose = False;
print Camera::doc();
Camera::$verbose = True;
$vtxO = new Vertex(array('x' => 20.0, 'y' => 20.0, 'z' => 80.0));
$R = new Matrix(array('preset' => Matrix::RY, 'angle' => M_PI));
$cam = new Camera(array('origin' => $vtxO, 'orientation' => $R, 'width' => 640, 'height' => 480, 'fov' => 60, 'near' => 1.0, 'far' => 100.0));
print $cam . PHP_EOL;
public function mult(Matrix $rhs)
{
$tmp = Matrix::$verbose;
Matrix::$verbose = FALSE;
$ret = new Matrix(array('preset' => Matrix::IDENTITY));
Matrix::$verbose = $tmp;
for ($i = 0; $i < 4; $i++) {
for ($j = 0; $j < 4; $j++) {
$ret->_matrix[$i][$j] = $this->_matrix[$i][0] * $rhs->_matrix[0][$j] + $this->_matrix[$i][1] * $rhs->_matrix[1][$j] + $this->_matrix[$i][2] * $rhs->_matrix[2][$j] + $this->_matrix[$i][3] * $rhs->_matrix[3][$j];
}
}
return $ret;
}
<?php
/* ************************************************************************** */
/* */
/* main_03.php for J06 */
/* Created on : Mon Mar 31 17:37:41 2014 */
/* Made by : David "Thor" GIRON <*****@*****.**> */
/* */
/* ************************************************************************** */
require_once 'Vertex.class.php';
require_once 'Vector.class.php';
require_once 'Matrix.class.php';
Vertex::$verbose = False;
Vector::$verbose = False;
print Matrix::doc();
Matrix::$verbose = True;
print 'Let\'s start with an harmless identity matrix :' . PHP_EOL;
$I = new Matrix(array('preset' => Matrix::IDENTITY));
print $I . PHP_EOL . PHP_EOL;
print 'So far, so good. Let\'s create a translation matrix now.' . PHP_EOL;
$vtx = new Vertex(array('x' => 20.0, 'y' => 20.0, 'z' => 0.0));
$vtc = new Vector(array('dest' => $vtx));
$T = new Matrix(array('preset' => Matrix::TRANSLATION, 'vtc' => $vtc));
print $T . PHP_EOL . PHP_EOL;
print 'A scale matrix is no big deal.' . PHP_EOL;
$S = new Matrix(array('preset' => Matrix::SCALE, 'scale' => 10.0));
print $S . PHP_EOL . PHP_EOL;
print 'A Rotation along the OX axis :' . PHP_EOL;
$RX = new Matrix(array('preset' => Matrix::RX, 'angle' => M_PI_4));
print $RX . PHP_EOL . PHP_EOL;
print 'Or along the OY axis :' . PHP_EOL;
public function mult($rhs)
{
$old_verbose = Matrix::$verbose;
Matrix::$verbose = FALSE;
$result = new Matrix(['preset' => Matrix::IDENTITY]);
Matrix::$verbose = $old_verbose;
$tab = (array) $rhs;
$index = 0;
foreach ($tab as $key => $value) {
$new[$index++] = $value;
}
$result->_vtcX['x'] = $this->getVtcX('x') * $new[0]['x'] + $this->getVtcY('x') * $new[0]['y'] + $this->getVtcZ('x') * $new[0]['z'] + $this->getVtx0('x') * $new[0]['w'];
$result->_vtcX['y'] = $this->getVtcX('y') * $new[0]['x'] + $this->getVtcY('y') * $new[0]['y'] + $this->getVtcZ('y') * $new[0]['z'] + $this->getVtx0('y') * $new[0]['w'];
$result->_vtcX['z'] = $this->getVtcX('z') * $new[0]['x'] + $this->getVtcY('z') * $new[0]['y'] + $this->getVtcZ('z') * $new[0]['z'] + $this->getVtx0('z') * $new[0]['w'];
$result->_vtcX['w'] = $this->getVtcX('w') * $new[0]['x'] + $this->getVtcY('w') * $new[0]['y'] + $this->getVtcZ('w') * $new[0]['z'] + $this->getVtx0('w') * $new[0]['w'];
$result->_vtcY['x'] = $this->getVtcX('x') * $new[1]['x'] + $this->getVtcY('x') * $new[1]['y'] + $this->getVtcZ('x') * $new[1]['z'] + $this->getVtx0('x') * $new[1]['w'];
$result->_vtcY['y'] = $this->getVtcX('y') * $new[1]['x'] + $this->getVtcY('y') * $new[1]['y'] + $this->getVtcZ('y') * $new[1]['z'] + $this->getVtx0('y') * $new[1]['w'];
$result->_vtcY['z'] = $this->getVtcX('z') * $new[1]['x'] + $this->getVtcY('z') * $new[1]['y'] + $this->getVtcZ('z') * $new[1]['z'] + $this->getVtx0('z') * $new[1]['w'];
$result->_vtcY['w'] = $this->getVtcX('w') * $new[1]['x'] + $this->getVtcY('w') * $new[1]['y'] + $this->getVtcZ('w') * $new[1]['z'] + $this->getVtx0('w') * $new[1]['w'];
$result->_vtcZ['x'] = $this->getVtcX('x') * $new[2]['x'] + $this->getVtcY('x') * $new[2]['y'] + $this->getVtcZ('x') * $new[2]['z'] + $this->getVtx0('x') * $new[2]['w'];
$result->_vtcZ['y'] = $this->getVtcX('y') * $new[2]['x'] + $this->getVtcY('y') * $new[2]['y'] + $this->getVtcZ('y') * $new[2]['z'] + $this->getVtx0('y') * $new[2]['w'];
$result->_vtcZ['z'] = $this->getVtcX('z') * $new[2]['x'] + $this->getVtcY('z') * $new[2]['y'] + $this->getVtcZ('z') * $new[2]['z'] + $this->getVtx0('z') * $new[2]['w'];
$result->_vtcZ['w'] = $this->getVtcX('w') * $new[2]['x'] + $this->getVtcY('w') * $new[2]['y'] + $this->getVtcZ('w') * $new[2]['z'] + $this->getVtx0('w') * $new[2]['w'];
$result->_vtx0['x'] = $this->getVtcX('x') * $new[3]['x'] + $this->getVtcY('x') * $new[3]['y'] + $this->getVtcZ('x') * $new[3]['z'] + $this->getVtx0('x') * $new[3]['w'];
$result->_vtx0['y'] = $this->getVtcX('y') * $new[3]['x'] + $this->getVtcY('y') * $new[3]['y'] + $this->getVtcZ('y') * $new[3]['z'] + $this->getVtx0('y') * $new[3]['w'];
$result->_vtx0['z'] = $this->getVtcX('z') * $new[3]['x'] + $this->getVtcY('z') * $new[3]['y'] + $this->getVtcZ('z') * $new[3]['z'] + $this->getVtx0('z') * $new[3]['w'];
$result->_vtx0['w'] = $this->getVtcX('w') * $new[3]['x'] + $this->getVtcY('w') * $new[3]['y'] + $this->getVtcZ('w') * $new[3]['z'] + $this->getVtx0('w') * $new[3]['w'];
return $result;
}