|| || || || || || || ||

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Camera3DMoveZ.h

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/*
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*/
// RvB: Should be renamed in Camera3DFwBw

#ifndef OglGui_Camera3DMoveZ_h
#define OglGui_Camera3DMoveZ_h

#ifndef OglGui_Window_h
#include "OglGui/Window.h"
#endif

namespace OglGui
{
class Camera3DMoveZ : public Window
{
public:
    Camera3DMoveZ(Window* parent, int x, int y, int w, int h, Window* target=0):
        Window(parent, x, y, w, h)
    {
        Init(w, h, target);
    }

    virtual void DisplayFunc()
    {
        Window::DisplayFunc();

        DrawLine(0, H()/2, W(), H()/2);

        if (!(mTarget && mPropagateMouse))
            return;

        SCENE3D* cam   = (SCENE3D *) mTarget->GetOGLWND()->sceneInfo;
        float step = (mMouseY-H()/2);

        step *= 2 * mStepFactor * (abs(step) < 15 ? 1.f : abs(step)/15.f);

        cam->camX += step * cam->tX;
        cam->camY += step * cam->tY;
        cam->camZ += step * cam->tZ;
        if (!mTextFeedBack)
            return;
        oglSys.PosColPrintf(mOglWnd, 0, mMouseY, oglRED, "Z%s",
                            step > 0 ? "+" : step < 0 ? "-" : "");
    }

    virtual void MouseFunc(int msg, int btn, int state, int x, int y)
    {
        mMouseY = y;

        if (msg==oglMouseDown && mTarget)
        {
            mPropagateMouse = true;
            oglSys.SetAlwaysDraw(mOglWnd, 1);
        }
        if (!state || !mTarget)
        {
            mPropagateMouse = false;
            oglSys.SetAlwaysDraw(mOglWnd, 0);
        }
    }

    virtual void KeyboardFunc(int c, int state)
    {
        if (mTarget)
            mTarget->KeyboardFunc(c, state);
        Window::KeyboardFunc(c, state);
    }


private:
    void Init(int w, int h, Window* target)
    {
        mTarget = target;

        SetBorderType(BEV_LINE);

        mTextFeedBack = true;
        mPropagateMouse = false;
        mStepFactor = 0.001f;
    }

    Window* mTarget;

    bool    mTextFeedBack;
    bool    mPropagateMouse;
    int     mMouseY;

    float   mStepFactor;
};
} // nasmespace OglGui

#endif

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