/*
 *  MovingObjectClass.cpp
 *  
 *  Virtual MovingObject class implementation.
 *
 */

#include "GameData.h"
#include "MovingObjectClass.h"

MovingObject::MovingObject()
{
    Center(.5,.5);
    Vector(0.,0.);
    Radius=0.;
}
MovingObject::MovingObject(Pos A, Pos B, float C)
{
    Center=A;
    Vector=B;
    Radius=C;
}
// end con/de-structors

Rect* MovingObject::bounds()
{
    return &Bounds;
}
void MovingObject::moveOnScreen(void* data)
{
    // Get the game data:
    Rect windowSize;
    typedef GameData* DataPrtType;
    DataPrtType Data=(DataPrtType)data;
    GetWindowPortBounds(Data->getGameWindowRef(),&windowSize);
    // Update the position:
    Old=Center;
    Center+=Vector;

    // Wrapcheck:  If it disappears off one size, it has to come on on the other.
    if(Center.X-Radius>windowSize.right)
        Center.X-=(1+Radius+Radius);
    if(Center.X+Radius<windowSize.right)
        Center.X+=(1+Radius+Radius);
    if(Center.Y-Radius>windowSize.bottom)
        Center.Y-=(1+Radius+Radius);
    if(Center.Y+Radius<windowSize.bottom)
        Center.Y+=(1+Radius+Radius);

    // Set the new Bounds after updating the position:
    Bounds.top=(short)(Center.Y*(float)windowSize.bottom)-(short)(Radius*(float)windowSize.bottom);
    Bounds.left=(short)(Center.X*(float)windowSize.right)-(short)(Radius*(float)windowSize.right);
    Bounds.bottom=(short)(Center.Y*(float)windowSize.bottom)+(short)(Radius*(float)windowSize.bottom);
    Bounds.right=(short)(Center.X*(float)windowSize.right)+(short)(Radius*(float)windowSize.right);
    
    // Erase the old image, and draw it in its new location:
    erase(Data->getGameWindowRef());
    draw(Data->getGameWindowRef());
}