1 files changed, 58 insertions, 0 deletions
diff --git a/src/imports/location/tilesphere.h b/src/imports/location/tilesphere.h
new file mode 100644
index 00000000..e3a7647a
--- /dev/null
+++ b/src/imports/location/tilesphere.h
@@ -0,0 +1,58 @@
+#ifndef TILESPHERE_H
+#define TILESPHERE_H
+
+#include <QObject>
+
+class QGLSceneNode;
+class QGeometryData;
+
+class Tile;
+class TileCache;
+
+class TileSphere : public QObject
+{
+    Q_OBJECT
+public:
+    TileSphere(QObject *parent, TileCache *tileCache, int zoom = 4, double radius = 1.0);
+
+    void setZoom(int zoom);
+    int zoom() const;
+
+    void setRadius(double radius);
+    double radius() const;
+
+    void limitView(int x1, int y1, int x2, int y2);
+    void clearLimit();
+
+    QGLSceneNode* sphereSceneNode() const;
+
+public slots:
+    void update();
+
+private slots:
+    void prefetchingFinished();
+
+signals:
+    void sphereUpdated();
+
+private:
+    QGeometryData tileSpecToSphereQuad(int x, int y) const;
+    QGLSceneNode* tileToSceneNode(const Tile &tile) const;
+
+    void prefetchSphere() const;
+    void buildSphere() const;
+
+    TileCache *tileCache_;
+    int zoom_;
+    double radius_;
+
+    bool viewLimited_;
+    int viewX1_;
+    int viewY1_;
+    int viewX2_;
+    int viewY2_;
+
+    QGLSceneNode* sphereNode_;
+};
+
+#endif // TILESPHERE_H