public static void DrawCircle(Surface s, float xin, float yin, float rin, Vector3 c)
{
int x0 = TX(xin, s);
int y0 = TY(yin, s);
int radius = (int)(rin * (s.width / Game.SCENE_WIDTH));
int x = radius;
int y = 0;
int err = 0;
int col = ConstructColor(c.X, c.Y, c.Z);
while (x >= y)
{
s.Plot(x0 + x, y0 + y, col);
s.Plot(x0 + y, y0 + x, col);
s.Plot(x0 - y, y0 + x, col);
s.Plot(x0 - x, y0 + y, col);
s.Plot(x0 - x, y0 - y, col);
s.Plot(x0 - y, y0 - x, col);
s.Plot(x0 + y, y0 - x, col);
s.Plot(x0 + x, y0 - y, col);
y += 1;
if (err <= 0)
{
err += 2 * y + 1;
}
if (err > 0)
{
x -= 1;
err -= 2 * x + 1;
}
}
}
public void Render()
{
//for (every pixel in the camera plane), find the color
//reuse the same ray
Ray ray;
for (int x = 0; x < 512; x++) //screen width = 512, maar client width = 1024 (want debug scherm rechts)
{
for (int y = 0; y < 512; y++)
{
//add the z calculations here once we have a working rotating camera
Vector3 screenpoint = new Vector3(xlength * ((float)x / (screen.width / 2)) - (xlength / 2),
ylength * ((float)y / screen.height) - (ylength / 2), 0); //z heeft met cam te maken
ray = new Ray();
ray.Origin = camera.pos;
ray.Dir = (screenpoint - ray.Origin).Normalized();
//normaliseer ray so length is 1
Vector3 color;
if (y == 256 && (x % 31) == 0)
{
color = trace(ray, 6, true);
}
else
{
color = trace(ray, 6, false);
}
screen.Plot(x, 512 - y, debug.createColor(color));
//512 - y because to invert the y axis (so positive is up and negative is down)
}
}
debug.Render();
}
public void RenderCamera()
{
surface.Plot(TX(camera.pos.X), TY(camera.pos.Z), 0xFFFFFF);
}
