129 lines
2.8 KiB
C++
129 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 Point2D
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{
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public:
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Point2D() {};
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~Point2D() {};
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libnum::num x, y;
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};
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class Circle
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{
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public:
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Circle() {};
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~Circle() {};
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libnum::num x,y,r;
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};
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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();
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Vector2D Clone( void );
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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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Vector2D Perp( void );
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inline constexpr 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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inline constexpr 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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inline constexpr Vector2D &operator*=( float scale )
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{
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this->x *= libnum::num32(scale);
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this->y *= libnum::num32(scale);
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return *this;
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}
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inline constexpr Vector2D &operator/=( float scale )
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{
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this->x /= libnum::num32(scale);
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this->y /= libnum::num32(scale);
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return *this;
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}
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inline friend Vector2D operator*(float scale, Vector2D const &v) {
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Vector2D r;
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r.x = v.x * libnum::num32( scale );
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r.y = v.y * libnum::num32( scale );
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return r;
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}
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inline friend Vector2D operator*(Vector2D const &v, float scale) {
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Vector2D r;
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r.x = v.x * libnum::num32( scale );
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r.y = v.y * libnum::num32( scale );
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return r;
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}
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inline friend Vector2D operator/(Vector2D const &v, float scale) {
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Vector2D r;
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r.x = v.x / libnum::num32( scale );
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r.y = v.y / libnum::num32( 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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Point2D A;
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Point2D B;
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Vector2D N;
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};
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bool CollisionDroite(Point2D A,Point2D B, Circle C);
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bool CollisionSegment(Point2D A,Point2D B,Circle C);
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bool CollisionBorder(Border B, Circle C);
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Vector2D GetNormale(Point2D A,Point2D B,Point2D C);
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Point2D ProjectionI(Point2D A,Point2D B,Point2D C);
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Vector2D ComputeVectorRebound(Vector2D v,Vector2D N);
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#endif |