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69 lines
3.3 KiB
C++
69 lines
3.3 KiB
C++
#pragma once
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#ifndef ES_CORE_MATH_VECTOR2F_H
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#define ES_CORE_MATH_VECTOR2F_H
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#include "math/Misc.h"
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#include <assert.h>
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class Vector3f;
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class Vector4f;
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class Vector2f
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{
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public:
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Vector2f() { }
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Vector2f(const float _f) : mX(_f), mY(_f) { }
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Vector2f(const float _x, const float _y) : mX(_x), mY(_y) { }
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explicit Vector2f(const Vector3f& _v) : mX(((Vector2f&)_v).mX), mY(((Vector2f&)_v).mY) { }
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explicit Vector2f(const Vector4f& _v) : mX(((Vector2f&)_v).mX), mY(((Vector2f&)_v).mY) { }
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const bool operator==(const Vector2f& _other) const { return ((mX == _other.mX) && (mY == _other.mY)); }
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const bool operator!=(const Vector2f& _other) const { return ((mX != _other.mX) || (mY != _other.mY)); }
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const Vector2f operator+ (const Vector2f& _other) const { return { mX + _other.mX, mY + _other.mY }; }
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const Vector2f operator- (const Vector2f& _other) const { return { mX - _other.mX, mY - _other.mY }; }
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const Vector2f operator* (const Vector2f& _other) const { return { mX * _other.mX, mY * _other.mY }; }
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const Vector2f operator/ (const Vector2f& _other) const { return { mX / _other.mX, mY / _other.mY }; }
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const Vector2f operator+ (const float& _other) const { return { mX + _other, mY + _other }; }
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const Vector2f operator- (const float& _other) const { return { mX - _other, mY - _other }; }
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const Vector2f operator* (const float& _other) const { return { mX * _other, mY * _other }; }
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const Vector2f operator/ (const float& _other) const { return { mX / _other, mY / _other }; }
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const Vector2f operator- () const { return { -mX , -mY }; }
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Vector2f& operator+=(const Vector2f& _other) { *this = *this + _other; return *this; }
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Vector2f& operator-=(const Vector2f& _other) { *this = *this - _other; return *this; }
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Vector2f& operator*=(const Vector2f& _other) { *this = *this * _other; return *this; }
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Vector2f& operator/=(const Vector2f& _other) { *this = *this / _other; return *this; }
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Vector2f& operator+=(const float& _other) { *this = *this + _other; return *this; }
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Vector2f& operator-=(const float& _other) { *this = *this - _other; return *this; }
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Vector2f& operator*=(const float& _other) { *this = *this * _other; return *this; }
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Vector2f& operator/=(const float& _other) { *this = *this / _other; return *this; }
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float& operator[](const int _index) { assert(_index < 2 && "index out of range"); return (&mX)[_index]; }
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const float& operator[](const int _index) const { assert(_index < 2 && "index out of range"); return (&mX)[_index]; }
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inline float& x() { return mX; }
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inline float& y() { return mY; }
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inline const float& x() const { return mX; }
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inline const float& y() const { return mY; }
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Vector2f& round();
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Vector2f& lerp (const Vector2f& _start, const Vector2f& _end, const float _fraction);
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static const Vector2f Zero () { return { 0, 0 }; }
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static const Vector2f UnitX() { return { 1, 0 }; }
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static const Vector2f UnitY() { return { 0, 1 }; }
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private:
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float mX;
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float mY;
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}; // Vector2f
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#endif // ES_CORE_MATH_VECTOR2F_H
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