void Client::draw_DDA(int x1, int y1, int x2, int y2, unsigned int color1, unsigned int color2, double z1, double z2) {

    float dx = x2-x1;
    float dy = y2-y1;
    float dz = z2-z1;

    float loops = 0;
    float xChange, yChange, zChange = 0;

    unsigned int interpColor;

    int r1 = (color1 >> 16) & 0xFF;
    int g1 = (color1 >> 8) & 0xFF;
    int b1 = (color1) & 0xFF;

    int r2 = (color2 >> 16) & 0xFF;
    int g2 = (color2 >> 8) & 0xFF;
    int b2 = (color2) & 0xFF;

    int roundR, roundG, roundB;

    float r = r1;
    float g = g1;
    float b = b1;

    float dr = r2-r1;
    float dg = g2-g1;
    float db = b2-b1;


    if (abs(dx) > abs(dy)){
        loops = abs(dx);
        dr = dr/abs(dx);
        dg = dg/abs(dx);
        db = db/abs(dx);
        //dz = dz/abs(dx);

    }else{
        loops = abs(dy);
        dr = dr/abs(dy);
        dg = dg/abs(dy);
        db = db/abs(dy);
        //dz = dz/abs(dy);
    }


    xChange = dx / loops;
    yChange = dy / loops;
    zChange = dz / loops;

    float x = (float)x1;
    float y = (float)y1;
    float z = (float)z1;


    for(int i = 0; i<loops; i++){
        r += dr;
        g += dg;
        b += db;
        //z += dz;

        roundR = round(r);
        roundG = round(g);
        roundB = round(b);

        interpColor = (0xFF << 24) + ((roundR & 0xFF) << 16) + ((roundG & 0xFF) << 8) + (roundB & 0xFF);

        if (z < zbuffer[int(floor(x + 0.5))][int(floor(y+ 0.5))]){
            drawable->setPixel(x, y, interpColor);
            zbuffer[int(floor(x+0.5))][int(floor(y+0.5))] = z;
        }

        y += yChange;
        x += xChange;
        z += zChange;

    }
}