SdlSandbox/sdl1/metaBalls/MetaDeg.cpp

#include "MetaDeg.h"

/// Construction
MetaDeg::MetaDeg()
:MetaSpace()
{
    //ctor
}

MetaDeg::~MetaDeg()
{
    //dtor
}

/// Méthodes
void MetaDeg::deform(Uint32 y, Uint32 x)
{
    Uint32 k(127);
    for (Uint32 i(y-k); i < y+k; i++)
        for (Uint32 j(x-k); j < x+k; j++)
            if ( isInside(i, j) )
            {
                m_tab[i][j] += 255 - abs((int)j - (int)x) - abs((int)i - (int)y);
                if (m_tab[i][j] > 255)
                    m_tab[i][j] = 255;
            }
}
#include <iostream>
void MetaDeg::draw()
{
    Uint32 val(0);
    for ( Uint32 i = 0; i < m_h; i++ )
        for ( Uint32 j = 0; j < m_w; j++ )
        {
            val = m_tab[i][j];
            pixelRGBA(m_buff, j, i, val, 0, 0, 255);
        }
}