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ViewerPoint.h

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#ifndef OglGui_ViewerPoint_h
#define OglGui_ViewerPoint_h

#ifndef OglGui_View_h
#include "OglGui/View.h"
#endif

namespace OglGui {

class ViewerPoint : public OglGui::View
{
public:
    static const int    cMagicNr = -32112321;

    ViewerPoint(OGLWND* oglWnd, OGLIMAGE* im, float x, float y,
                ViewListener* li=0) :
        OglGui::View(oglWnd, im, 0, 0, 6, 6, li)
    {
        Init(x,y,0);
    }

    ViewerPoint(OGLVIEW* oglView, float x, float y) :
        OglGui::View(oglView)
    {
        Init(x,y,0);
    }

    long long   GetId()                 { return mId; }
    void        SetId(long long id)     { mId = id; }

    virtual void OnDrawView()
    {
        OglGui::View::OnDrawView();
        if (GetSelected())
        {
            glPushMatrix();
            viewSys.View2DTransform(mView2D);
            ULONG   col = mView2D->borderCol;
            SetSolidLineColor(col);
            DrawRectangle(-2, -2, mView2D->w+4, mView2D->h+4);
            glPopMatrix();
        }
    }

    virtual void AnimatePoint()
    {
        if ((mX+=mDeltaX) > 200 || mX < -200)
            mDeltaX = -mDeltaX;
        if ((mY+=mDeltaY) > 200 || mY < -200)
            mDeltaY = -mDeltaY;
        mView2D->rotZ += 2;
    }

    float PointX()          { return mX; }
    void  PointX(float x)   { mX = x; }
    float PointY()          { return mY; }
    void  PointY(float y)   { mY = y; }

    void PointXY(float x, float y)
    {
        mX = x;
        mY = y;
    }

protected:
    float       mX;
    float       mY;
    long long   mId;

private:
    float   mDeltaX;
    float   mDeltaY;

    void Init(float x, float y, long long id)
    {
        mX = x;
        mY = y;
        mId = id;
        viewSys.SetSysData(mView2D, 2, (void*) cMagicNr);
        mDeltaX = (1.f / (3+(rand()%50))) * (rand()%2?-1:1);
        mDeltaY = (1.f / (3+(rand()%50))) * (rand()%2?-1:1);;
        if (mDeltaX > mDeltaY-0.001 && mDeltaX < mDeltaY+0.001)
            mDeltaX += 0.002;
    }
};

} // namespace OglGui
#endif

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