private PInfo[,] renderLine(Line look)
{
PInfo[,] strip = new PInfo[1, height];
strip.Populate();
// Renderable, dist from origin, dist from player
Stack <Tuple <IRenderable, double, double> > renderstack = new Stack <Tuple <IRenderable, double, double> >();
// create a list of all things
List <Tuple <Line, IRenderable> > visibles = new List <Tuple <Line, IRenderable> >();
foreach (var item in SpriteObjects)
{
Line l = new Line();
// angle to player
double changeX = Player.x_2 - Player.x_1;
double changeY = Player.y_2 - Player.y_1;
// get angle to player
double angle = Math.Atan2(changeY, changeX);
// now rotate and get cords of start and end
// origin, left of player
l.x_1 = item.Value.Item1 + (Math.Cos(angle - (90 / Math.PI * 2)) * item.Key.Width / 2);
l.y_1 = item.Value.Item2 + (Math.Sin(angle - (90 / Math.PI * 2)) * item.Key.Width / 2);
// other side right of player
l.x_2 = item.Value.Item1 + (Math.Cos(angle + (90 / Math.PI * 2)) * item.Key.Width / 2);
l.y_2 = item.Value.Item2 + (Math.Sin(angle + (90 / Math.PI * 2)) * item.Key.Width / 2);
visibles.Add(new Tuple <Line, IRenderable>(l, item.Key));
}
foreach (var item in DObjectects)
{
visibles.Add(new Tuple <Line, IRenderable>(item.Key, item.Value));
}
// create shorter representation of line
double dirX = look.x_2 - look.x_1;
double dirY = look.y_2 - look.y_1;
double dist = Math.Sqrt(dirX * dirX + dirY * dirY);
// normalize vector
dirX /= dist;
dirY /= dist;
// now calculate the number of pixels until first contact with a wall
//PInfo wallLook = new PInfo() { hasBackground = true, background = ConsoleColor.Black };
bool reachedWall = false;
look.x_2 = look.x_1 + dirX * MAXDRAWDIST;
look.y_2 = look.y_1 + dirY * MAXDRAWDIST;
double xInt;
double yInt;
if (look.y_2 == 15.3)
{
Debug.WriteLine("");
}
var found = visibles
.Where(v => doLinesIntersect(look, v.Item1, out xInt, out yInt))
.Select(i =>
{
double atX;
double atY;
doLinesIntersect(look, i.Item1, out atX, out atY);
return(new { Object = i, Distance = Math.Sqrt(Math.Pow(look.x_1 - atX, 2) + Math.Pow(look.y_1 - atY, 2)), XInt = atX, YInt = atY });
})
.ToList();
if (found.Count == 0)
{
Debug.WriteLine("empty");
}
var ToRender = found
.Where(f => f.Distance <= found.Where(wall => !wall.Object.Item2.isTransparent).Min(closest => closest.Distance))
.OrderBy(all => - all.Distance)
.ToList();
foreach (var some in ToRender)
{
double distFromOrigin = Math.Sqrt(Math.Pow(some.XInt - some.Object.Item1.x_1, 2) + Math.Pow(some.YInt - some.Object.Item1.y_1, 2));
renderstack.Push(new Tuple <IRenderable, double, double>(some.Object.Item2, distFromOrigin, some.Distance));
}
//Debug.WriteLine(ToRender.Count);
/*
* foreach (var item in visibles)
* {
* double xIntersect;
* double yIntersect;
* if (doLinesIntersect(look, item.Item1, out xIntersect, out yIntersect))
* {
*
* if (!renderstack.Select((x) => { return x.Item1; }).Contains(item.Item2))
* {
* if (!item.Item2.isTransparent)
* {
* reachedWall = true;
* }
* // distance from object origin
* double distFromOrigin = Math.Sqrt(Math.Pow(xIntersect - item.Item1.x_1, 2) + Math.Pow(yIntersect - item.Item1.y_1, 2));
* // Object, distance from object origin, distance from camera
* renderstack.Push(new Tuple<IRenderable, double, double>(item.Item2, distFromOrigin, inst * 0.01));
* }
*
* }
* }*/
renderstack.Push(new Tuple <IRenderable, double, double>(
new Object3D()
{
isTransparent = false,
pattern = new PInfo[, ]
{
{
new PInfo()
{
HasBackground = true, Background = ConsoleColor.Black
}
}
}
}
, 1
, MAXDRAWDIST
));
while (renderstack.Count > 0)
{
Tuple <IRenderable, double, double> data = renderstack.Pop();
strip.Merge(data.Item1.Render(data.Item3, height, PlayerHeight, RoomHeight, data.Item2));
}
return(strip);
}
