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Vector3.h
1#pragma once
2
3#include "MathHelper.h"
4
5namespace XXSharpKmyMath{
6
7 private value struct Vector3{
8
9 public:
10 float x, y, z;
11
12 Vector3(float v)
13 {
14 x = y = z = v;
15 }
16
17 Vector3(float _x, float _y, float _z)
18 {
19 x = _x;
20 y = _y;
21 z = _z;
22 }
23
24 float length()
25 {
26 return sqrt(x*x + y*y + z*z);
27 }
28
29 kmyMath::Vector3 toNative() {
30 return kmyMath::Vector3(x, y, z);
31 }
32
33 static Vector3 fromNative(const kmyMath::Vector3& v) {
34 return Vector3(v.x, v.y, v.z);
35 }
36
37 static Vector3 normalize(Vector3 v)
38 {
39 float l = sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
40 Vector3 ret;
41 ret.x = v.x / l;
42 ret.y = v.y / l;
43 ret.z = v.z / l;
44 return ret;
45 }
46
47 static Vector3 operator-(Vector3 v1, Vector3 v2)
48 {
49 Vector3 ret;
50 ret.x = v1.x - v2.x;
51 ret.y = v1.y - v2.y;
52 ret.z = v1.z - v2.z;
53 return ret;
54 }
55
56 static Vector3 operator+(Vector3 v1, Vector3 v2)
57 {
58 Vector3 ret;
59 ret.x = v1.x + v2.x;
60 ret.y = v1.y + v2.y;
61 ret.z = v1.z + v2.z;
62 return ret;
63 }
64
65 static Vector3 operator*(Vector3 v, float f)
66 {
67 Vector3 ret;
68 ret.x = v.x * f;
69 ret.y = v.y * f;
70 ret.z = v.z * f;
71 return ret;
72 }
73
74 static Vector3 operator*(Vector3 v1, Vector3 v2)
75 {
76 Vector3 ret;
77 ret.x = v1.x * v2.x;
78 ret.y = v1.y * v2.y;
79 ret.z = v1.z * v2.z;
80 return ret;
81 }
82
83 static Vector3 operator/(Vector3 v, float f)
84 {
85 Vector3 ret;
86 ret.x = v.x / f;
87 ret.y = v.y / f;
88 ret.z = v.z / f;
89 return ret;
90 }
91
92 static Vector3 operator- (Vector3 v)
93 {
94 Vector3 ret;
95 ret.x = -v.x;
96 ret.y = -v.y;
97 ret.z = -v.z;
98 return ret;
99 }
100
101 static float dotProduct(Vector3 v1, Vector3 v2)
102 {
103 return v1.x * v2.x + v1.y * v2.y + v1.z * v2.z;
104 }
105
106 static Vector3 crossProduct(Vector3 v1, Vector3 v2)
107 {
108 Vector3 tmp;
109 tmp.x = v1.y * v2.z - v1.z * v2.y;
110 tmp.y = v1.z * v2.x - v1.x * v2.z;
111 tmp.z = v1.x * v2.y - v1.y * v2.x;
112 return tmp;
113 }
114
115 static Vector3 one = Vector3(1, 1, 1);
116 static Vector3 zero = Vector3(0, 0, 0);
117 };
118}
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