markos-l/vector3.h at main · niicez/markos-l · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
#pragma once

#include <cmath>

class Vector3
{
public:
	float x, y, z;

	Vector3() : x(0), y(0), z(0) {}
	Vector3(float x, float y, float z) : x(x), y(y), z(z) {}

	Vector3 operator+(const Vector3& other) const
	{
		return Vector3(x + other.x, y + other.y, z + other.z);
	}
	Vector3 operator-(const Vector3& other) const
	{
		return Vector3(x - other.x, y - other.y, z - other.z);
	}
	Vector3 operator*(float scalar) const
	{
		return Vector3(x * scalar, y * scalar, z * scalar);
	}
	Vector3 operator/(float scalar) const
	{
		return Vector3(x / scalar, y / scalar, z / scalar);
	}
	Vector3& operator+=(const Vector3& other)
	{
		x += other.x;
		y += other.y;
		z += other.z;
		return *this;
	}
	Vector3& operator-=(const Vector3& other)
	{
		x -= other.x;
		y -= other.y;
		z -= other.z;
		return *this;
	}
	Vector3& operator*=(float scalar)
	{
		x *= scalar;
		y *= scalar;
		z *= scalar;
		return *this;
	}
	Vector3& operator/=(float scalar)
	{
		x /= scalar;
		y /= scalar;
		z /= scalar;
		return *this;
	}
	bool operator==(const Vector3& other) const
	{
		return x == other.x && y == other.y && z == other.z;
	}
	bool operator!=(const Vector3& other) const
	{
		return x != other.x || y != other.y || z != other.z;
	}
	float Dot(const Vector3& other) const
	{
		return x * other.x + y * other.y + z * other.z;
	}
	Vector3 Cross(const Vector3& other) const
	{
		return Vector3(y * other.z - z * other.y, z * other.x - x * other.z, x * other.y - y * other.x);
	}
	float Length() const
	{
		return sqrt(x * x + y * y + z * z);
	}
	float Distance(Vector3& other) const {
		return sqrt(pow(other.x - x, 2) + pow(other.y - y, 2) + pow(other.z - z, 2));
	}
	void Normalize() {
		float length = std::sqrt(x * x + y * y + z * z);
		if (length != 0.0f) {
			x /= length;
			y /= length;
			z /= length;
		}
	}
};