49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
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#include "Vector2D.h"
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Vector2D::Vector2D(Point point) {
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point_.x = point.x;
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point_.y = point.y;
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lenght_ = sqrt(pow(point.x, 2) + pow(point.y, 2));
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angle_ = atan2(point.y, point.x);
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}
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Vector2D::Vector2D(double lenght, double angle) {
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lenght_ = lenght;
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angle_ = angle;
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point_.x = lenght * cos(angle);
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point_.y = lenght * sin(angle);
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}
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Vector2D::Point Vector2D::CreatePoint(double x, double y) {
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Point p;
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p.x = x;
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p.y = y;
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return p;
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}
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void Vector2D::normalize(double max) {
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lenght_ = (1/lenght_);
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point_.x = lenght_ * cos(angle_);
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point_.y = lenght_ * sin(angle_);
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}
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Vector2D Vector2D::reverse() {
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Point p;
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p.x = -point_.x;
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p.y = -point_.y;
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return Vector2D(p);
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}
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Vector2D Vector2D::operator +(Vector2D v) const {
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Point p;
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p.x = point_.x + v.x();
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p.y = point_.y + v.y();
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return Vector2D(p);
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}
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Vector2D Vector2D::operator -(Vector2D v) const {
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Point p;
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p.x = point_.x - v.x();
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p.y = point_.y - v.y();
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return Vector2D(p);
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}
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