stuff-from-scratch/src/base/geometry/Transform.h
2023-01-19 17:37:26 +00:00

62 lines
1.5 KiB
C++

#pragma once
#include "Point.h"
class Transform
{
public:
Transform(const Point& location = {}, double scaleX = 1.0, double scaleY = 1.0, double scaleZ = 1.0);
void applyPre(const Transform& transform)
{
mLocation.move(transform.getLocation().getX(), transform.getLocation().getY(), transform.getLocation().getZ());
mScaleX *= transform.getScaleX();
mScaleY *= transform.getScaleY();
mScaleZ *= transform.getScaleZ();
}
void setLocation(const Point& loc);
void setScale(double scaleX, double scaleY = 1.0, double scaleZ = 1.0);
const Point& getLocation() const;
double getScaleX() const;
double getScaleY() const;
double getScaleZ() const;
bool operator==(const Transform& rhs) const
{
return (mLocation == rhs.mLocation)
&& (mScaleX == rhs.mScaleX)
&& (mScaleY == rhs.mScaleY)
&& (mScaleZ == rhs.mScaleZ);
}
bool operator!=(const Transform& rhs) const
{
return !operator==(rhs);
}
bool hasDefaultLocation() const
{
return mLocation.getX() == 0.0 && mLocation.getY() == 0.0 && mLocation.getZ() == 0.0;
}
bool hasDefaultScale() const
{
return mScaleX == 1.0 && mScaleY == 1.0 && mScaleZ == 1.0;
}
bool isDefaultTransform() const
{
return hasDefaultLocation() && hasDefaultScale();
}
private:
Point mLocation;
double mScaleX{1};
double mScaleY{1};
double mScaleZ{1};
};