Cube

Create a cube and rotate it around the x, y, z axes

Informations

Author: Luciano Salvino
License: FPDF

Description

You can create a cube and rotate it around the x, y, z axes using the following function:

Cube(float a, float b, float c, float scale, float alfax, float alfay, float alfaz)

where a, B and C are the cube dimensions; scale is the scaling factor; alfax, alfay and alfaz are the rotation angles.

Source

<?php /*************************************************************************** * cube.php * ------------------- * creado : Viernes, 2 de Julio de 2004 * copyright : (C) 2004 LUCIANO SALVINO * * $Id: cube.php, v 1.3.1 02/07/2004 17:44:00 psotfx Exp $ * ***************************************************************************/ require('fpdf.php'); class PDF_Cube extends FPDF { function Cube($a=10, $b=10, $c=10, $scale=1, $alfax=10, $alfay=10, $alfaz=10) { $x = ($this->w-$this->rMargin)/2-($a/2); $y = ($this->h-$this->tMargin)/2-($b/2); $cubo = array( array($x+$a, $y+$b, $c), array($x+$a, $y+$b, -$c), array($x-$a, $y+$b, -$c), array($x-$a, $y+$b, $c), array($x+$a, $y-$b, $c), array($x+$a, $y-$b, -$c), array($x-$a, $y-$b, -$c), array($x-$a, $y-$b, $c) ); $senx = sin($alfax*M_PI/180); $cosx = cos($alfax*M_PI/180); $seny = sin($alfay*M_PI/180); $cosy = cos($alfay*M_PI/180); $senz = sin($alfaz*M_PI/180); $cosz = cos($alfaz*M_PI/180); $a = $cosy*$cosz; $b = $cosy*$senz; $c = -$seny; $d = $senx*$seny*$cosz-$cosx*$senz; $e = $senx*$seny*$senz+$cosx*$cosz; $f = $senx*$cosy; $g = $cosx*$seny*$cosz+$senx*$senz; $h = $cosx*$seny*$senz-$senx*$cosz; $k = $cosx*$cosy; for ($i=0; $i<count($cubo); $i++) { $cubo[$i][0] = ($a*$cubo[$i][0]+$b*$cubo[$i][1]+$c*$cubo[$i][2])*$scale; $cubo[$i][1] = ($d*$cubo[$i][0]+$e*$cubo[$i][1]+$f*$cubo[$i][2])*$scale; $cubo[$i][2] = ($g*$cubo[$i][0]+$h*$cubo[$i][1]+$k*$cubo[$i][2])*$scale; } /*Tapa inferior*/ $this->Line($cubo[0][0], $cubo[0][1], $cubo[1][0], $cubo[1][1]); $this->Line($cubo[1][0], $cubo[1][1], $cubo[2][0], $cubo[2][1]); $this->Line($cubo[2][0], $cubo[2][1], $cubo[3][0], $cubo[3][1]); $this->Line($cubo[3][0], $cubo[3][1], $cubo[0][0], $cubo[0][1]); /*Tapa superior*/ $this->Line($cubo[4][0], $cubo[4][1], $cubo[5][0], $cubo[5][1]); $this->Line($cubo[5][0], $cubo[5][1], $cubo[6][0], $cubo[6][1]); $this->Line($cubo[6][0], $cubo[6][1], $cubo[7][0], $cubo[7][1]); $this->Line($cubo[7][0], $cubo[7][1], $cubo[4][0], $cubo[4][1]); /*Laterales*/ $this->Line($cubo[0][0], $cubo[0][1], $cubo[4][0], $cubo[4][1]); $this->Line($cubo[1][0], $cubo[1][1], $cubo[5][0], $cubo[5][1]); $this->Line($cubo[2][0], $cubo[2][1], $cubo[6][0], $cubo[6][1]); $this->Line($cubo[3][0], $cubo[3][1], $cubo[7][0], $cubo[7][1]); } } ?>

Example

<?php require('cube.php'); $a = 50; $b = 50; $c = 50; $scale = .6; $alfax = 20; $alfay = 20; $alfaz = 20; $pdf = new PDF_Cube(); $pdf->AddPage(); $pdf->Cube($a, $b, $c, $scale, $alfax, $alfay, $alfaz); $pdf->Output(); ?>
View the result here.

Download

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Quelle

http://www.fpdf.org/en/script/script66.php, zuletzt abgerufen 02.10.2016 14:59