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Diffstat (limited to 'Libraries/LibGfx/Vector3.h')
-rw-r--r-- | Libraries/LibGfx/Vector3.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/Libraries/LibGfx/Vector3.h b/Libraries/LibGfx/Vector3.h new file mode 100644 index 0000000000..a0030ad99d --- /dev/null +++ b/Libraries/LibGfx/Vector3.h @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2020, Stephan Unverwerth <s.unverwerth@gmx.de> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include <math.h> + +namespace Gfx { +template<typename T> +class Vector3 { +public: + Vector3() = default; + Vector3(T x, T y, T z) + : m_x(x) + , m_y(y) + , m_z(z) + { + } + + T x() const { return m_x; } + T y() const { return m_y; } + T z() const { return m_z; } + + void set_x(T value) { m_x = value; } + void set_y(T value) { m_y = value; } + void set_z(T value) { m_z = value; } + + Vector3 operator+(const Vector3& other) const + { + return Vector3(m_x + other.m_x, m_y + other.m_y, m_z + other.m_z); + } + + Vector3 operator-(const Vector3& other) const + { + return Vector3(m_x - other.m_x, m_y - other.m_y, m_z - other.m_z); + } + + Vector3 operator*(T f) const + { + return Vector3(m_x * f, m_y * f, m_z * f); + } + + Vector3 operator/(T f) const + { + return Vector3(m_x / f, m_y / f, m_z / f); + } + + T dot(const Vector3& other) const + { + return m_x * other.m_x + m_y * other.m_y + m_z * other.m_z; + } + + 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); + } + + Vector3 normalized() const + { + T inv_length = 1 / length(); + return *this * inv_length; + } + + void normalize() + { + T inv_length = 1 / length(); + m_x *= inv_length; + m_y *= inv_length; + m_z *= inv_length; + } + + T length() const + { + return sqrt(m_x * m_x + m_y * m_y + m_z * m_z); + } + +private: + T m_x; + T m_y; + T m_z; +}; + +typedef Vector3<float> FloatVector3; +typedef Vector3<double> DoubleVector3; + +} + +using Gfx::DoubleVector3; +using Gfx::FloatVector3; +using Gfx::Vector3; |