89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
#ifndef LLMR_MAP_TRANSFORM
|
|
#define LLMR_MAP_TRANSFORM
|
|
|
|
|
|
#include <llmr/util/vec.hpp>
|
|
#include <llmr/util/mat4.hpp>
|
|
#include <llmr/util/animation.hpp>
|
|
|
|
#include <cmath>
|
|
#include <cstdint>
|
|
#include <forward_list>
|
|
|
|
namespace llmr {
|
|
|
|
struct box;
|
|
|
|
class Transform {
|
|
public:
|
|
Transform();
|
|
|
|
// Make noncopyable
|
|
Transform(const Transform&) = delete;
|
|
Transform(const Transform&&) = delete;
|
|
Transform &operator=(const Transform&) = delete;
|
|
Transform &operator=(const Transform&&) = delete;
|
|
|
|
// Animations
|
|
bool needsAnimation() const;
|
|
void updateAnimations();
|
|
|
|
// Relative changes
|
|
void moveBy(double dx, double dy);
|
|
void scaleBy(double ds, double cx, double cy);
|
|
void rotateBy(double cx, double cy, double sx, double sy, double ex, double ey);
|
|
|
|
// Absolute changes
|
|
void setScale(double scale);
|
|
void setAngle(double angle, double duration = 0);
|
|
void setZoom(double zoom);
|
|
void setLonLat(double lon, double lat);
|
|
|
|
// Getters
|
|
void matrixFor(mat4& matrix, const vec3<int32_t>& id) const;
|
|
float getZoom() const;
|
|
int32_t getIntegerZoom() const;
|
|
double getScale() const;
|
|
double getAngle() const;
|
|
void getLonLat(double& lon, double& lat) const;
|
|
|
|
|
|
// Temporary
|
|
void mapCornersToBox(uint32_t z, box& b) const;
|
|
|
|
private:
|
|
double pixel_x() const;
|
|
double pixel_y() const;
|
|
|
|
public:
|
|
// logical dimensions
|
|
uint32_t width = 0;
|
|
uint32_t height = 0;
|
|
|
|
// physical (framebuffer) dimensions
|
|
uint32_t fb_width = 0;
|
|
uint32_t fb_height = 0;
|
|
|
|
double pixelRatio = 1;
|
|
|
|
private:
|
|
double x = 0, y = 0; // pixel values of the map center in the current scale
|
|
double angle = 0;
|
|
double scale = 1;
|
|
|
|
double min_scale = pow(2, 0);
|
|
double max_scale = pow(2, 20);
|
|
|
|
// tile size
|
|
const int32_t size = 512;
|
|
|
|
// cache values for spherical mercator math
|
|
double zc, Bc, Cc;
|
|
|
|
std::forward_list<util::animation> animations;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|