void Line::draw(Image& image, const Colour& colour, bool bAntialiased)
{
if(bAntialiased)
{
std::vector<Point> pts;
std::vector<float> alpha;
lineWu(m_start.xInt(), m_start.yInt(), m_end.xInt(), m_end.yInt(), pts, alpha);
for(uint i = 0; i < pts.size(); ++i)
image.draw_point(pts[i].xInt(), pts[i].yInt(), 0, colour.colour(), colour.alpha()*alpha[i]);
}
else
{
std::vector<Point> pts = points();
for(uint i = 0; i < pts.size(); ++i)
image.draw_point(pts[i].xInt(), pts[i].yInt(), 0, colour.colour());
}
}
void SpacePartitioning::partition(int x1, int y1, int x2, int y2, int iteration)
{
x1 += m_offset;
y1 += m_offset;
x2 -= m_offset;
y2 -= m_offset;
int centreX = x1 + (x2-x1)/2;
int centreY = y1 + (y2-y1)/2;
int radius = (x2-x1)/2;
if(randFloat(0, 1.0f) < m_drawPrimativePercentage)
{
float opacity = 1.0f; //randFloat(0.6f, 1.0f);
// colour of primative must be different than primative below it
Colour fillColour = m_palette[rand() % m_palette.size()];
while(sameColour(fillColour, centreX, centreY))
fillColour = m_palette.at(rand() % m_palette.size());
Colour borderColour(fillColour);
//borderColour.darken(0.2f);
int randShape = randInt(0,2);
if(randShape == 0)
{
m_image.draw_circle(centreX, centreY, radius, borderColour.colour(), opacity);
m_image.draw_circle(centreX, centreY, radius-m_borderSize, fillColour.colour(), opacity);
}
else if(randShape == 1)
{
m_image.draw_rectangle(x1, y1, x2, y2, borderColour.colour(), opacity);
m_image.draw_rectangle(x1+m_borderSize, y1+m_borderSize, x2-m_borderSize, y2-m_borderSize, fillColour.colour(), opacity);
}
}
/*
if(iteration == 0)
{
iteration++;
partition(x1, y1, 0.25*(x2-x1), 0.25*(x2-x1), iteration); // top-left
partition(0.25*(x2-x1), y1, x2, 0.25*(x2-x1), iteration); // top-right
partition(x1, 0.25*(x2-x1), 0.25*(x2-x1), y2, iteration); // bottom-left
partition(0.25*(x2-x1), 0.25*(x2-x1), x2, y2, iteration); // bottom-right
}
*/
if(m_bDisplay)
{
if(m_imageDisplay.is_closed())
exit(0);
if(m_imageDisplay.is_keyS())
Artist::saveFrame(m_image, "SpacePartition.png");
m_imageDisplay.display(m_image);
}
if(iteration < m_maxIterations)
{
iteration++;
partition(x1, y1, centreX, centreY, iteration); // top-left
partition(centreX, y1, x2, centreY, iteration); // top-right
partition(x1, centreY, centreX, y2, iteration); // bottom-left
partition(centreX, centreY, x2, y2, iteration); // bottom-right
}
}
