mopoidpanel.cpp

来自「mopoid game symbian os application devel」· C++ 代码 · 共 63 行

/*
========================================================================
 Name        : MopoidPanel.cpp
 Author      : 
 Copyright   : 
 Description : Handles the panel ("avatar" of the player).
 License     : 

========================================================================
*/
#include "MopoidPanel.h"

// --- TPanel
TPanel::TPanel()
:
    iPos(0,0),
    iX(0),
    iVx(0),
    iSettings(NULL)
{}

// -----------------------------------------------------------------------
void TPanel::SetSettingsPointer(CMopoidSettings* aSettings)
	{
	iSettings = aSettings;
	}

// -----------------------------------------------------------------------
void TPanel::KeyboardMove(MopoidShared::TDirection aDirection)
{
    TInt leftRight = 0;
    if (aDirection == MopoidShared::ELeft)
        leftRight = -1;
    else if (aDirection == MopoidShared::ERight)
        leftRight = 1;

    iVx = iSettings->iPanelSpeed * (TReal)leftRight;
}

// -----------------------------------------------------------------------
void TPanel::SetSpeed(TReal aSpeed)
{
    iVx = aSpeed;
}

// -----------------------------------------------------------------------
void TPanel::ConvertToPos(TReal aStep)
{
    iX += iVx * aStep;

    // Make sure that the panel doesn't go outside of the screen.
    if (iX < iSettings->iGameRect.iTl.iX)
        iX = iSettings->iGameRect.iTl.iX;
    else if (iX + iSettings->iPanelSize.iWidth > iSettings->iGameRect.iBr.iX)
        iX = iSettings->iGameRect.iBr.iX - iSettings->iPanelSize.iWidth;

    // Convert new exact position to the screen position for faster calculations
    iPos.iX = (TInt)iX;

    // Don't move again unless we're told to.
    iVx = 0.0;
}