public void DrawScene(Bitmap bmp)
{
if (bmp.Width < camera.Dimention.Width || bmp.Height < camera.Dimention.Height)
{
camera.Dimention = bmp.Size;
}
Size dim = camera.Dimention;
Thread[] threads = new Thread[threadCount];
int linesCount = dim.Width / threadCount;
completedLines = 0;
for (int i = 0; i < threadCount; i++)
{
threads[i] = new Thread(this.ThreadFunction);
DrawingInfo info = new DrawingInfo(i * linesCount, (i + 1) * linesCount, bmp);
threads[i].Start(info);
}
for (int i = 0; i < threadCount; i++)
{
threads[i].Join();
}
completedLines = camera.Dimention.Width;
}
public void ThreadFunction(object obj)
{
DrawingInfo info = (DrawingInfo)obj;
Color clr;
for (int i = info.line1; i < info.line2; i++)
{
for (int j = 0; j < camera.Dimention.Height; j++)
{
clr = RayTracing(camera.GetRay(i, j), 0);
lock (bmpSync) {
info.bmp.SetPixel(i, j, clr);
}
}
Interlocked.Increment(ref completedLines);
}
}