1 /*
2 Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>
3 2004, 2005 Rob Buis <buis@kde.org>
4 2005 Eric Seidel <eric@webkit.org>
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 aint with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20 */
21
22 #include "config.h"
23
24 #include <math.h>
25 #include "FloatPoint.h"
26 #include "FloatPoint3D.h"
27
28 namespace WebCore {
29
FloatPoint3D()30 FloatPoint3D::FloatPoint3D()
31 : m_x(0)
32 , m_y(0)
33 , m_z(0)
34 {
35 }
36
FloatPoint3D(float x,float y,float z)37 FloatPoint3D::FloatPoint3D(float x, float y, float z)
38 : m_x(x)
39 , m_y(y)
40 , m_z(z)
41 {
42 }
43
FloatPoint3D(const FloatPoint & p)44 FloatPoint3D::FloatPoint3D(const FloatPoint& p)
45 : m_x(p.x())
46 , m_y(p.y())
47 , m_z(0)
48 {
49 }
50
normalize()51 void FloatPoint3D::normalize()
52 {
53 float length = sqrtf(m_x * m_x + m_y * m_y + m_z * m_z);
54
55 if (length != 0) {
56 m_x /= length;
57 m_y /= length;
58 m_z /= length;
59 }
60 }
61
62 } // namespace WebCore
63
64