h4570
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
/*
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# ______ ____ ___
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# | \/ ____| |___|
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# | | | \ | |
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#-----------------------------------------------------------------------
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# Copyright 2022, tyra - https://github.com/h4570/tyra
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# Licenced under Apache License 2.0
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# Sandro Sobczyński <sandro.sobczynski@gmail.com>
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*/
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#pragma once
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#include "math/vec4.hpp"
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#include "math/math.hpp"
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#include <string>
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namespace Tyra {
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class M4x4 {
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public:
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MATRIX data alignas(sizeof(float) * 16);
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static const M4x4 Identity;
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/** Create matrix with random values */
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M4x4() {}
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M4x4(const M4x4& v) { copy(this, v); }
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explicit M4x4(const float* v) { copy(this, v); }
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M4x4(const float& m11, const float& m12, const float& m13, const float& m14,
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const float& m21, const float& m22, const float& m23, const float& m24,
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const float& m31, const float& m32, const float& m33, const float& m34,
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const float& m41, const float& m42, const float& m43, const float& m44);
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static void copy(M4x4* out, const float* in);
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static void copy(M4x4* out, const M4x4& in);
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void operator=(const M4x4& v);
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Vec4 operator*(const Vec4& v) const;
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M4x4 operator*(const M4x4& v) const;
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void operator*=(const M4x4& v);
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float& operator[](const u8& index);
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/**
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* 1 0 0 0
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* 0 1 0 0
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* 0 0 1 0
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* 0 0 0 1
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*/
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void identity();
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inline void unit() { identity(); }
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void set(const float& m11, const float& m12, const float& m13,
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const float& m14, const float& m21, const float& m22,
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const float& m23, const float& m24, const float& m31,
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const float& m32, const float& m33, const float& m34,
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const float& m41, const float& m42, const float& m43,
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const float& m44);
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void translate(const Vec4& v);
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void translateX(const float& v);
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void translateY(const float& v);
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void translateZ(const float& v);
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void rotateByAngle(const float& angle, const Vec4& axis);
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void rotate(const Vec4& v);
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void rotateX(const float& radians);
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void rotateY(const float& radians);
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void rotateZ(const float& radians);
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void scale(const float& v);
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void scale(const Vec4& v);
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void scaleX(const float& v);
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void scaleY(const float& v);
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void scaleZ(const float& v);
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/** Create perspective projection M4x4 (gluPerspective) */
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static M4x4 perspective(const float& fov, const float& width,
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const float& height, const float& projectionScale,
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const float& aspectRatio, const float& near,
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const float& far);
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/**
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* Create a view M4x4 that transforms coordinates in
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* such a way that the user looks at a target vector
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* direction from a position vector (glLookAt)
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*/
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static M4x4 lookAt(const Vec4& position, const Vec4& target);
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static void lookAt(M4x4* res, const Vec4& position, const Vec4& target);
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void print() const;
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void print(const char* name) const;
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void print(const std::string& name) const { print(name.c_str()); }
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std::string getPrint(const char* name = nullptr) const;
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private:
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static float upVec[4] alignas(sizeof(float) * 4);
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static float viewVec[4] alignas(sizeof(float) * 4);
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static void cross(float res[16], const float a[16], const float b[16]);
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void rotationX(const float& v);
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void rotationY(const float& v);
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void rotationZ(const float& v);
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void rotationByAngle(const float& angle, const Vec4& axis);
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void translationX(const float& v);
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void translationY(const float& v);
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void translationZ(const float& v);
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void setScale(const Vec4& val);
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static M4x4 setCamera(const float pos[4], const float vz[4],
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const float vy[4]);
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};
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} // namespace Tyra
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