Partio

PartioVec3.h
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1/*
2 PARTIO SOFTWARE
3 Copyright 2010 Disney Enterprises, Inc. All rights reserved
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are
7 met:
8
9* Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11
12* Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in
14 the documentation and/or other materials provided with the
15 distribution.
16
17* The names "Disney", "Walt Disney Pictures", "Walt Disney Animation
18 Studios" or the names of its contributors may NOT be used to
19 endorse or promote products derived from this software without
20 specific prior written permission from Walt Disney Pictures.
21
22 Disclaimer: THIS SOFTWARE IS PROVIDED BY WALT DISNEY PICTURES AND
23 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24 BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
25 FOR A PARTICULAR PURPOSE, NONINFRINGEMENT AND TITLE ARE DISCLAIMED.
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27 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND BASED ON ANY
31 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
34*/
35
36#pragma once
37
38#include <algorithm>
39#include <iostream>
40#include <cmath>
41
42 namespace Partio{
43
44 class Vec3
45{
46 public:
47 float x,y,z;
48
49 inline Vec3()
50 :x(0),y(0),z(0)
51 {}
52
53 inline Vec3(const float x,const float y,const float z)
54 :x(x),y(y),z(z)
55 {}
56
57 inline Vec3(const float v[3])
58 :x(v[0]),y(v[1]),z(v[2])
59 {}
60
61 inline float length()
62 {return std::sqrt(x*x+y*y+z*z);}
63
64 inline float normalize()
65 {float l=length();x/=l;y/=l;z/=l;return l;}
66
67 inline Vec3 normalized() const
68 {Vec3 foo(x,y,z);foo.normalize();return foo;}
69
70 inline Vec3 operator*(const float a) const
71 {return Vec3(a*x,a*y,a*z);}
72
73 inline Vec3 operator-(const Vec3& v) const
74 {return Vec3(x-v.x,y-v.y,z-v.z);}
75
76 inline Vec3 operator+(const Vec3& v) const
77 {return Vec3(x+v.x,y+v.y,z+v.z);}
78
79 inline Vec3 operator+=(const Vec3& v)
80 {x+=v.x;y+=v.y;z+=v.z;return *this;}
81
82 inline Vec3 cross(const Vec3& v) const
83 {Vec3 ret(y*v.z-z*v.y,z*v.x-x*v.z,x*v.y-y*v.x);return ret;}
84
85 inline Vec3 min(const Vec3& v) const
86 {
87 return Vec3(std::min(x,v.x),std::min(y,v.y),std::min(z,v.z));
88 }
89
90 inline Vec3 max(const Vec3& v) const
91 {
92 return Vec3(std::max(x,v.x),std::max(y,v.y),std::max(z,v.z));
93 }
94};
95
96
97 inline std::ostream& operator<<(std::ostream& stream,const Vec3& v)
98{return stream<<v.x<<" "<<v.y<<" "<<v.z;}
99
100 inline Vec3 operator*(const float a,const Vec3& v)
101{
102 return Vec3(a*v.x,a*v.y,a*v.z);
103}
104
105}
Partio::Vec3
Definition PartioVec3.h:45
Partio::Vec3::operator*
Vec3 operator*(const float a) const
Definition PartioVec3.h:70
Partio::Vec3::normalize
float normalize()
Definition PartioVec3.h:64
Partio::Vec3::y
float y
Definition PartioVec3.h:47
Partio::Vec3::Vec3
Vec3(const float x, const float y, const float z)
Definition PartioVec3.h:53
Partio::Vec3::Vec3
Vec3()
Definition PartioVec3.h:49
Partio::Vec3::min
Vec3 min(const Vec3 &v) const
Definition PartioVec3.h:85
Partio::Vec3::operator+
Vec3 operator+(const Vec3 &v) const
Definition PartioVec3.h:76
Partio::Vec3::operator-
Vec3 operator-(const Vec3 &v) const
Definition PartioVec3.h:73
Partio::Vec3::length
float length()
Definition PartioVec3.h:61
Partio::Vec3::x
float x
Definition PartioVec3.h:47
Partio::Vec3::cross
Vec3 cross(const Vec3 &v) const
Definition PartioVec3.h:82
Partio::Vec3::max
Vec3 max(const Vec3 &v) const
Definition PartioVec3.h:90
Partio::Vec3::Vec3
Vec3(const float v[3])
Definition PartioVec3.h:57
Partio::Vec3::operator+=
Vec3 operator+=(const Vec3 &v)
Definition PartioVec3.h:79
Partio::Vec3::normalized
Vec3 normalized() const
Definition PartioVec3.h:67
Partio::Vec3::z
float z
Definition PartioVec3.h:47
Partio
Definition Partio.h:52
Partio::typeCheck
bool typeCheck(const ParticleAttributeType &type)
Definition PartioAttribute.h:61
Partio::operator*
Vec3 operator*(const float a, const Vec3 &v)
Definition PartioVec3.h:100
Partio::operator<<
std::ostream & operator<<(std::ostream &output, const Data< T, d > &v)
Definition PartioIterator.h:224