136 lines
2.8 KiB
C++
136 lines
2.8 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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{
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public:
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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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Vector2D Clone( void );
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Vector2D MakeVector( Vector2D A, Vector2D B);
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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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libnum::num32 Length( void );
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void Scale( libnum::num32 scale );
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libnum::num32 Dot( Vector2D v );
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libnum::num32 Det( Vector2D v );
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Vector2D Perp( void );
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libnum::num32 operator[](uint8_t pos)
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{
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return pos == 0 ? x : y;
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}
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Vector2D &operator=(const Vector2D &v )
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{
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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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{
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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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{
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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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{
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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
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{
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return (Vector2D(-x, -y));
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}
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Vector2D operator+() const
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{
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return *this;
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}
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Vector2D &operator-=( Vector2D const &other )
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{
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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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{
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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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{
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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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{
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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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{
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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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{
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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 |