internal override object run()
{
// so we loop through all objects in the scene:
for (int i = 0; i < scene.members.Count; i++)
{
// and find everything.
FSceneMember member = scene.members[i];
if (member is FPolygon)
{
throw new Exception("Polygons should not be in scenes! Perhaps this rule is dumb, but that's not my discresion.");
}
if (member is FCamera || member is FLightSource)
{
//Console.WriteLine(((FCamera)member).position.X);
URS.Add(member);
continue;
}
if (member is FObject)
{
FObject fobject = (FObject)member; // member is now an FObject in the eyes of the law!
for (int j = 0; j < fobject.template.polygons.Count; j++)
{
FPolygon poly = new FPolygon(fobject.template.polygons[j].verticies, fobject.template.polygons[j].color);
for (int k = 0; k < poly.verticies.Length; k++)
{
poly.verticies[k] = Vector3.Add(poly.verticies[k], fobject.position);
}
URS.Add(poly);
}
continue;
}
throw new Exception("An unknown sceneMember has been given to basicReferenceCreator! how did this happen???");
}
//cool.
return(base.run());
}
internal override object run()
{
//check if multiple cameras are active
//This variable checks for cameras in the scene if it is aready set then there is multiple cameras in the scene if
//at the end of this is still -1 then there aren't any both cases we would return an error
int camera = -1;
for (int x = 0; x < URS.Count; x++)
{
if (URS[x] is FCamera)
{
if (((FCamera)URS[x]).active)
{
if (camera == -1)
{
camera = x;
Fuzzy3D.activeCamera = (FCamera)URS[camera];
}
else
{
//Throwing an error that I found in an example of how to use throw as I am rather new to it
throw new IndexOutOfRangeException();
}
}
}
}
if (camera == -1)
{
throw new IndexOutOfRangeException();
}
Vector3 cam = ((FCamera)URS[camera]).position;
double camRot = ((FCamera)URS[camera]).Rotation;
//Looping through the URS to set to the LRS
//Console.WriteLine("Before Translation: " + URS.Count);
List <FSceneMember> MRS = new List <FSceneMember>();
for (int y = 0; y < URS.Count; y++)
{
if (URS[y] is FPolygon)
{
Vector3[] prev = ((FPolygon)URS[y]).verticies;
Vector3[] next = { Vector3.Subtract(prev[0], cam), Vector3.Subtract(prev[1], cam), Vector3.Subtract(prev[2], cam) };
MRS.Add(new FPolygon(next, ((FPolygon)URS[y]).color, ((FPolygon)URS[y]).surfaceNormal));
continue;
}
if (URS[y] is FCamera)
{
//Console.WriteLine("WHat the f**k!");
Vector3 prev = ((FCamera)URS[y]).position;
MRS.Add(new FCamera(Vector3.Subtract(prev, cam), ((FCamera)URS[y]).FOV));
continue;
}
throw new Exception("Transformer does not currently handle Lightsources!");
}
// Do the same but for rotation.
// Note that this must occur after translation; It is dependent on it.
for (int y = 0; y < MRS.Count; y++)
{
if (MRS[y] is FPolygon)
{
Vector3[] prev = ((FPolygon)MRS[y]).verticies;
Vector3[] next = { Rotate2D(prev[0], camRot), Rotate2D(prev[1], camRot), Rotate2D(prev[2], camRot) };
// Now we check about surface normal
if (((FPolygon)MRS[y]).surfaceNormal == new Vector3(0, 0, 0))
{
LRS.Add(new FPolygon(next, ((FPolygon)MRS[y]).color));
}
else
{
FPolygon poly = new FPolygon(next, ((FPolygon)MRS[y]).color, ((FPolygon)MRS[y]).surfaceNormal);
Console.WriteLine("Y: " + y + " Vector: " + poly.surfaceNormal.X + ", " + poly.surfaceNormal.Y + ", " + poly.surfaceNormal.Z + " Angle: " + Math.Abs(Math.Acos(poly.surfaceNormal.X)));
if (Math.Abs(Math.Acos(poly.surfaceNormal.X)) > Math.PI / 2 & !Double.IsNaN(Math.Abs(Math.Acos(poly.surfaceNormal.X))))
{
LRS.Add(poly);
}
}
continue;
}
if (MRS[y] is FCamera)
{
Vector3 prev = ((FCamera)MRS[y]).position;
LRS.Add(new FCamera(Rotate2D(prev, camRot), ((FCamera)MRS[y]).FOV));
continue;
}
throw new Exception("Transformer does not currently handle: " + URS[y].GetType());
}
//Console.WriteLine("After Rotation: " + LRS.Count);
return(base.run());
}
internal override object run()
{
// first of all, make the screen black:
for (int x = 0; x < ScreenState.GetLength(0); x++)
{
for (int y = 0; y < ScreenState.GetLength(1); y++)
{
ScreenState[x, y] = Color.Black;
}
}
List <Line> drawn_lines = new List <Line>();
//Loop through all objects in the LRS
for (int i = 0; i < LRS.Count; i++)
{
//Console.WriteLine(LRS.Count);
//If an object is a polygon
if (LRS[i] is FPolygon)
{
FPolygon poly = (FPolygon)LRS[i];
for (int j = 0; j < poly.verticies.Length; j++)
{
bool cancel = false;
// get the 2 vector3s we will be drawing the line from.
Vector2 A = poly.screenVerticies[j];
Vector2 B;
if (j == poly.verticies.Length - 1)
{
B = poly.screenVerticies[0];
}
else
{
B = poly.screenVerticies[j + 1];
}
if (A.X == -1 || B.Y == -1)
{
continue;
}
for (int g = 0; g < drawn_lines.Count; g++)
{
//Check if the points are the same as one previously drawn
if (A == drawn_lines[g].first && B == drawn_lines[g].second)
{
cancel = true;
}
else if (A == drawn_lines[g].second && B == drawn_lines[g].first)
{
cancel = true;
}
}
//Dont run the rest of the code if the line has already been drawn
if (!cancel)
{
if (A.X == B.X)
{
// okay, vertical line.
for (int vertY = (int)((A.Y < B.Y) ? A.Y : B.Y); vertY < (int)((A.Y > B.Y) ? A.Y : B.Y); vertY++)
{
try
{
ScreenState[(int)A.X, vertY] = linecolor;
}
catch
{
//Console.WriteLine("Caught something... don't know what, or why, but it's in wireframe.");
// meh, do nothing
break;
}
}
}
//Bresenham( (int)(A.X<B.X?A.X:B.X), (int)(A.X < B.X ? A.Y : B.Y), (int)(A.X > B.X ? A.X : B.X), (int)(A.X > B.X ? A.Y : B.Y));
Bresenham((int)A.X, (int)A.Y, (int)B.X, (int)B.Y);
int x = (int)A.X;
int y = (int)A.Y;
if (x >= 0 & y >= 0 & x < ScreenState.GetLength(1) & y < ScreenState.GetLength(1))
{
ScreenState[(int)x, (int)y] = Color.White;
}
x = (int)B.X;
y = (int)B.Y;
if (x >= 0 & y >= 0 & x < ScreenState.GetLength(1) & y < ScreenState.GetLength(1))
{
ScreenState[(int)x, (int)y] = Color.White;
}
//Record the line we just drew
drawn_lines.Add(new Line(A, B));
}
}
}
}
return(base.run());
}
internal override object run()
{
// first of all, make the screen black:
for (int x = 0; x < ScreenState.GetLength(0); x++)
{
for (int y = 0; y < ScreenState.GetLength(1); y++)
{
ScreenState[x, y] = Color.Black;
}
}
for (int i = 0; i < LRS.Count; i++)
{
if (LRS[i] is FPolygon)
{
FPolygon poly = (FPolygon)LRS[i];
for (int j = 0; j < poly.verticies.Length; j++)
{
// get the 2 vector3s we will be drawing the line from.
Vector2 A = poly.screenVerticies[j];
Vector2 B;
if (j == poly.verticies.Length - 1)
{
B = poly.screenVerticies[0];
}
else
{
B = poly.screenVerticies[j + 1];
}
if (A.X == -1 || B.Y == -1)
{
continue;
}
if (A.X == B.X)
{
// okay, vertical line.
for (int vertY = (int)((A.Y < B.Y)?A.Y:B.Y); vertY < (int)((A.Y > B.Y) ? A.Y : B.Y); vertY++)
{
ScreenState[(int)A.X, vertY] = linecolor;
}
}
//Bresenham( (int)(A.X<B.X?A.X:B.X), (int)(A.X < B.X ? A.Y : B.Y), (int)(A.X > B.X ? A.X : B.X), (int)(A.X > B.X ? A.Y : B.Y));
Bresenham((int)A.X, (int)A.Y, (int)B.X, (int)B.Y);
int x = (int)A.X;
int y = (int)A.Y;
if (x >= 0 & y >= 0 & x < ScreenState.GetLength(1) & y < ScreenState.GetLength(1))
{
ScreenState[(int)x, (int)y] = Color.White;
}
x = (int)B.X;
y = (int)B.Y;
if (x >= 0 & y >= 0 & x < ScreenState.GetLength(1) & y < ScreenState.GetLength(1))
{
ScreenState[(int)x, (int)y] = Color.White;
}
}
}
}
return(base.run());
}
internal override object run()
{
// first of all, make the screen black:
for (int x = 0; x < screenState.GetLength(0); x++)
{
for (int y = 0; y < screenState.GetLength(1); y++)
{
screenState[x, y] = Color.Black;
}
}
double slope = Fuzzy3D.activeCamera.FOV;
for (int i = 0; i < LRS.Count; i++)
{
if (LRS[i] is FPolygon)
{
FPolygon poly = (FPolygon)LRS[i];
// now, we need to do the things!
// The HORROR!
// So, for each point in the poly:
for (int j = 0; j < poly.verticies.Length; j++)
{
// for each point, uhh...
/*Okay, so, let me lay out my understanding:
* For each vertice in each polygon:
* Determine the x value, and based on the cameras slope, get it’s 2D coords from the square defined by the slope,
* Ie, one the upper left corner would be defined as, y=slopex, z=slopex, given that the viewport is square. LowerRight is the negative of both, and so on.
* Take these coordinates and convert them into the full ( or small) sized coordinates of the viewport
* This should be easy, actually:
* I. for the x position: x(relative to the top left corner of the viewport)/width=realX/screenWidth
* Just solve for realx and it’s done.
* You now have the proper positioning of every vertice on the screen.
*/
Vector3 vert = poly.verticies[j];
if (vert.X <= 0)
{
// if it is behind the camera, it cannot be seen.
((FPolygon)LRS[i]).screenVerticies = new Vector2[3] {
new Vector2(-1, -1), new Vector2(-1, -1), new Vector2(-1, -1)
};
continue;
}
// Now we find the size of the viewport.
// which requires the camera's FOV...
// Start by grabing the upper left corner:
// notice, we're implicitly implying that the viewport is square.
Vector2 viewportOrigin = new Vector2(-(float)slope * vert.X, -(float)slope * vert.X);
double viewportSize = (float)slope * vert.X * 2; // should be zero!
Vector2 locationOnViewport = Vector2.Subtract(new Vector2(vert.Z, -vert.Y), viewportOrigin);
//okay, easy peasy, now just to get that to the screen
int x = (int)Math.Round((double)(locationOnViewport.X / viewportSize) * (screenState.GetLength(1)));
int y = (int)Math.Round((double)(locationOnViewport.Y / viewportSize) * (screenState.GetLength(1)));
((FPolygon)LRS[i]).screenVerticies[j] = new Vector2(x, y);
if (x >= 0 & y >= 0 & x < screenState.GetLength(1) & y < screenState.GetLength(1))
{
screenState[x, y] = Color.White;
}
}
}
}
return(base.run());
}
