public static Bitmap Render(Octree tree, int width, int height)
{
Vector3 light = (new Vector3(1, 1, .5).Normalized());
bmp.FastBitmap fbmp = new bmp.FastBitmap(width, height);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Vector3 from = transform(new Vector3(0, 0, 0), false);
Vector3 to = transform(new Vector3((double)x / width * 2 - 1, (double)y / height * 2 - 1, 1), false);
Ray ray = new Ray();
ray.Origin = tree.WorldToOctree(from);
ray.Direction = (tree.WorldToOctree(to) - tree.WorldToOctree(from)).Normalized();
ray.CurrentParameter = 1e-10 + tree.RayParameterForBoxEntryPoint(ray, new Vector3(0, 0, 0), 1);
if (ray.CurrentParameter > 0)
{
tree.TraceRay(tree.Root, ray, new Vector3(0, 0, 0), 0);
if (ray.Result != null)
{
double dot = -Vector3.Dot(transform(light, true), ray.Result.SurfaceNormal);
int col = (int)(dot * 255);
if (col < 0)
{
col = 0;
}
fbmp.SetPixel(x, y, Color.FromArgb(col, col, col));
}
else
{
fbmp.SetPixel(x, y, Color.Red);
}
}
else
{
fbmp.SetPixel(x, y, Color.Red);
}
//fbmp.SetPixel(
}
}
frameCount++;
return(fbmp.ToBitmap());
}
public static Bitmap Render(int width, int height)
{
if (file == null)
{
loadFile();
}
Vector3 light = (new Vector3(1, 1, .5).Normalized());
bmp.FastBitmap fbmp = new bmp.FastBitmap(width, height);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Vector3 from = transform(new Vector3(0, 0, 0), false);
Vector3 to = transform(new Vector3((double)x / width * 2 - 1, (double)y / height * 2 - 1, 1), false);
Ray ray = new Ray();
ray.Origin = (from);
ray.Direction = ((to) - (from)).Normalized();
ray.CurrentParameter = epsilon + RayParameterForBoxEntryPoint(ray, new Vector3(0, 0, 0), 1);
if (ray.CurrentParameter > 0)
{
/*tree.TraceRay(tree.Root, ray, new Vector3(0, 0, 0), 0);
*
* if (ray.Result != null)
* {
* double dot = -Vector3.Dot(transform(light, true), ray.Result.SurfaceNormal);
* int col = (int)(dot * 255);
* if (col < 0) col = 0;
* fbmp.SetPixel(x, y, Color.FromArgb(col, col, col));
* }
* else*/fbmp.SetPixel(x, y, Color.Green);
}
else
{
fbmp.SetPixel(x, y, Color.Red);
}
//fbmp.SetPixel(
}
}
frameCount++;
return(fbmp.ToBitmap());
}
public static Bitmap Render(Octree tree, int width, int height)
{
buffer = new BufferPixel[width, height];
FullRecursiveOctreeRenderer.width = width;
FullRecursiveOctreeRenderer.height = height;
light = (new Vector3(1, 1, 1).Normalized());
/*for (int i = 0; i < points.Count; i++)
* {
* RenderPoint(points[i], width, height);
* }*/
RecDrawOctree(tree, tree.Root, new Vector3(0, 0, 0), 0);
bmp.FastBitmap fbmp = new bmp.FastBitmap(width, height);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
fbmp.SetPixel(x, y, buffer[x, y].depth > 0.001 ? buffer[x, y].color : Color.Red);
}
}
frameCount++;
return(fbmp.ToBitmap());
}
public static Bitmap Render(List <SurfaceTangentPoint> points, int width, int height)
{
Vector3 light = (new Vector3(1, 1, 1).Normalized());
BufferPixel[,] buffer = new BufferPixel[width, height];
for (int i = 0; i < points.Count; i++)
{
Vector3 v = transform(points[i].Location, false);
if (v.Z > 0.001)
{
double x = v.X / v.Z;
double y = v.Y / v.Z;
if (-1 < x && x < 1 && -1 < y && y < 1)
{
int _x = (int)((x + 1) * width / 2);
int _y = (int)((y + 1) * height / 2);
if (buffer[_x, _y].depth < 0.001 || (buffer[_x, _y].depth > 0.001 && buffer[_x, _y].depth > v.Z))
{
buffer[_x, _y].depth = v.Z;
double dot = -Vector3.Dot(transform(points[i].SurfaceNormal, true), light);
int col = (int)(dot * 255);
if (col < 0)
{
col = 0;
}
buffer[_x, _y].color = Color.FromArgb(col, col, col);
}
}
}
}
bmp.FastBitmap fbmp = new bmp.FastBitmap(width, height);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
fbmp.SetPixel(x, y, buffer[x, y].depth > 0.001 ? buffer[x, y].color : Color.Red);
}
}
frameCount++;
return(fbmp.ToBitmap());
}