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#include <kurator/engine/Camera.h>
#include <raylib.h>
#include <kurator/engine/Point.h>
namespace kurator
{
namespace engine
{
static auto viewport() -> Point;
Point
Camera::to_world(const Point& screen) const
{
return (screen - viewport().scale(0.5)).scale(1.0 / scale) + offset;
}
Point
Camera::to_screen(const Point& world) const
{
return (world - offset).scale(scale) + viewport().scale(0.5);
}
Point
Camera::top_left() const
{
return to_world({0.0, 0.0});
}
Point
Camera::center() const
{
return to_world(viewport().scale(0.5));
}
Point
Camera::bottom_right() const
{
return to_world(viewport());
}
Point
viewport()
{
return {static_cast<double>(GetScreenWidth()), static_cast<double>(GetScreenHeight())};
}
} // namespace engine
} // namespace kurator
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