Shamusworld >> Repos - architektonas/blob - src/arc.h

   1 #ifndef __ARC_H__
   2 #define __ARC_H__
   3
   4 #include "object.h"
   5
   6 class Arc: public Object
   7 {
   8         public:
   9                 Arc(Vector, double, double, double, Object * p = 0);
  10                 ~Arc();
  11
  12                 virtual void Draw(Painter *);
  13                 virtual Vector Center(void);
  14                 virtual bool Collided(Vector);
  15                 virtual void PointerMoved(Vector);
  16                 virtual void PointerReleased(void);
  17 //              virtual bool NeedsUpdate(void);
  18
  19         private:
  20                 bool AngleInArcSpan(double angle);
  21
  22         protected:
  23                 double radius;                                          // Center is Object::position
  24                 double startAngle;                                      // Starting angle in radians
  25                 double angleSpan;                                       // # of degrees the arc spans in radians
  26
  27         private:
  28                 bool hitHandle1;        // Moving
  29                 bool hitHandle2;        // Rotation
  30                 bool hitHandle3;        // Setting span of the arc
  31                 bool hitHandle4;        // Resizing
  32                 bool objectWasDragged;
  33                 Vector oldPoint;                                        // Used for dragging
  34                 double oldAngle;                                        // Used for user feedback
  35                 double oldRadius;                                       // Used for user feedback
  36 };
  37
  38 #endif  // __ARC_H__