118 lines
2.4 KiB
C++
118 lines
2.4 KiB
C++
#ifndef VECTOR2D_H
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#define VECTOR2D_H
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#include <num/num.h>
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libnum::num32 sqrt_num32(libnum::num32 v);
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class Vector2D {
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public:
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/* constructors and destructor */
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Vector2D();
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Vector2D(float x, float y);
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Vector2D(libnum::num32 x, libnum::num32 y);
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Vector2D(const Vector2D &v);
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~Vector2D();
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/* methods that return a Vector2D */
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Vector2D Clone(void);
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Vector2D MakeVector(Vector2D A, Vector2D B);
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Vector2D PerpCW(void);
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Vector2D PerpCCW(void);
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/* methods that return nothing */
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void AddVectors(Vector2D a, Vector2D b);
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void Add(Vector2D v, libnum::num32 scale);
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void SubtractVectors(Vector2D a, Vector2D b);
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void Subtract(Vector2D v, libnum::num32 scale);
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void Scale(libnum::num32 scale);
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/* methods that return scalar */
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libnum::num32 Length(void);
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libnum::num32 Dot(Vector2D v);
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libnum::num32 Det(Vector2D v);
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/* overloading of most interesting operators */
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libnum::num32 operator[](uint8_t pos) { return pos == 0 ? x : y; }
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Vector2D &operator=(const Vector2D &v) {
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this->x = v.x;
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this->y = v.y;
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return *this;
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}
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Vector2D operator+(const Vector2D &v) const {
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return Vector2D(x + v.x, y + v.y);
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}
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Vector2D operator-(const Vector2D &v) const {
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return Vector2D(x - v.x, y - v.y);
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}
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Vector2D &operator+=(Vector2D const &other) {
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this->x += other.x;
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this->y += other.y;
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return *this;
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}
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Vector2D operator-() const { return (Vector2D(-x, -y)); }
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Vector2D operator+() const { return *this; }
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Vector2D &operator-=(Vector2D const &other) {
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this->x -= other.x;
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this->y -= other.y;
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return *this;
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}
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Vector2D &operator*=(libnum::num32 scale) {
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this->x *= scale;
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this->y *= scale;
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return *this;
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}
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Vector2D &operator/=(libnum::num32 scale) {
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this->x /= scale;
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this->y /= scale;
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return *this;
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}
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friend Vector2D operator*(libnum::num32 scale, Vector2D const &v) {
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Vector2D r;
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r.x = v.x * scale;
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r.y = v.y * scale;
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return r;
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}
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friend Vector2D operator*(Vector2D const &v, libnum::num32 scale) {
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Vector2D r;
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r.x = v.x * scale;
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r.y = v.y * scale;
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return r;
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}
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friend Vector2D operator/(Vector2D const &v, libnum::num32 scale) {
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Vector2D r;
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r.x = v.x / scale;
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r.y = v.y / scale;
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return r;
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}
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libnum::num32 x;
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libnum::num32 y;
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};
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class Border {
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public:
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Border();
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~Border();
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Vector2D A;
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Vector2D B;
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Vector2D N;
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uint16_t color;
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};
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#endif |