summaryrefslogtreecommitdiff
path: root/Userland/Libraries/LibGfx/Vector3.h
blob: c6485eecb55de1b3d15e5db012928266c44fdb59 (plain)
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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
 * Copyright (c) 2020, Stephan Unverwerth <s.unverwerth@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/Math.h>
#include <AK/String.h>

namespace Gfx {
template<typename T>
class Vector3 final {
public:
    constexpr Vector3() = default;
    constexpr Vector3(T x, T y, T z)
        : m_x(x)
        , m_y(y)
        , m_z(z)
    {
    }

    constexpr T x() const { return m_x; }
    constexpr T y() const { return m_y; }
    constexpr T z() const { return m_z; }

    constexpr void set_x(T value) { m_x = value; }
    constexpr void set_y(T value) { m_y = value; }
    constexpr void set_z(T value) { m_z = value; }

    constexpr Vector3& operator+=(const Vector3& other)
    {
        m_x += other.m_x;
        m_y += other.m_y;
        m_z += other.m_z;
        return *this;
    }

    constexpr Vector3& operator-=(const Vector3& other)
    {
        m_x -= other.m_x;
        m_y -= other.m_y;
        m_z -= other.m_z;
        return *this;
    }

    constexpr Vector3 operator+(const Vector3& other) const
    {
        return Vector3(m_x + other.m_x, m_y + other.m_y, m_z + other.m_z);
    }

    constexpr Vector3 operator-(const Vector3& other) const
    {
        return Vector3(m_x - other.m_x, m_y - other.m_y, m_z - other.m_z);
    }

    constexpr Vector3 operator*(const Vector3& other) const
    {
        return Vector3(m_x * other.m_x, m_y * other.m_y, m_z * other.m_z);
    }

    constexpr Vector3 operator/(const Vector3& other) const
    {
        return Vector3(m_x / other.m_x, m_y / other.m_y, m_z / other.m_z);
    }

    constexpr Vector3 operator*(T f) const
    {
        return Vector3(m_x * f, m_y * f, m_z * f);
    }

    constexpr Vector3 operator/(T f) const
    {
        return Vector3(m_x / f, m_y / f, m_z / f);
    }

    constexpr T dot(const Vector3& other) const
    {
        return m_x * other.m_x + m_y * other.m_y + m_z * other.m_z;
    }

    constexpr Vector3 cross(const Vector3& other) const
    {
        return Vector3(
            m_y * other.m_z - m_z * other.m_y,
            m_z * other.m_x - m_x * other.m_z,
            m_x * other.m_y - m_y * other.m_x);
    }

    constexpr Vector3 normalized() const
    {
        T inv_length = 1 / length();
        return *this * inv_length;
    }

    constexpr Vector3 clamped(T m, T x) const
    {
        Vector3 copy { *this };
        copy.clamp(m, x);
        return copy;
    }

    constexpr void clamp(T min_value, T max_value)
    {
        m_x = max(min_value, m_x);
        m_y = max(min_value, m_y);
        m_z = max(min_value, m_z);
        m_x = min(max_value, m_x);
        m_y = min(max_value, m_y);
        m_z = min(max_value, m_z);
    }

    constexpr void normalize()
    {
        T inv_length = 1 / length();
        m_x *= inv_length;
        m_y *= inv_length;
        m_z *= inv_length;
    }

    constexpr T length() const
    {
        return AK::sqrt(m_x * m_x + m_y * m_y + m_z * m_z);
    }

    String to_string() const
    {
        return String::formatted("[{},{},{}]", x(), y(), z());
    }

private:
    T m_x;
    T m_y;
    T m_z;
};

typedef Vector3<float> FloatVector3;
typedef Vector3<double> DoubleVector3;

}

namespace AK {

template<typename T>
struct Formatter<Gfx::Vector3<T>> : Formatter<StringView> {
    ErrorOr<void> format(FormatBuilder& builder, Gfx::Vector3<T> const& value)
    {
        return Formatter<StringView>::format(builder, value.to_string());
    }
};

}

using Gfx::DoubleVector3;
using Gfx::FloatVector3;
using Gfx::Vector3;