public static void DrawPlayerView(PaintEventArgs args, Game game, Dictionary <string, Bitmap> textures,
int distance)
{
var time1 = DateTime.Now;
args.Graphics.FillRectangle(Brushes.CornflowerBlue, 0, 0, 1000 / game.CastedRays.Length * game.CastedRays.Length + 10, 500);
args.Graphics.FillRectangle(Brushes.Gray, 0, 500, 1000 / game.CastedRays.Length * game.CastedRays.Length + 10, 500);
var offset = 0;
foreach (var tuples in game.CastedRays)
{
foreach (var(ray, wall) in tuples)
{
if (!(ray.B.X > 0) || !(ray.B.Y > 0))
{
continue;
}
var bmp = textures[wall.Name];
var h = (int)(distance / ray.Length);
args.Graphics.DrawImage(
bmp, new RectangleF(0 + offset, 500 - h, 6, h * 2),
new RectangleF((int)Utils.GetDist(wall.line.A, ray.B) % (bmp.Width - 1), 0, 1, bmp.Height),
GraphicsUnit.Pixel);
}
offset += 1000 / game.CastedRays.Length;
}
var time2 = DateTime.Now;
args.Graphics.DrawString("ticks on frame:" + time2.Subtract(time1).Ticks.ToString(), SystemFonts.MenuFont, Brushes.Black, 1200, 0);
//args.Graphics.FillRectangle(Brushes.White, 0, 600, (float) Math.PI * 201, 800);
}
public static void DrawPlayerView(PaintEventArgs args, Game game, Dictionary <string, Bitmap> textures,
int distance, int heights)
{
args.Graphics.FillRectangle(Brushes.CornflowerBlue, 0, 0, 1000 / game.CastedRays.Length * game.CastedRays.Length + 10, 500);
args.Graphics.FillRectangle(Brushes.Gray, 0, 500, 1000 / game.CastedRays.Length * game.CastedRays.Length + 10, 500);
var offset = 0;
foreach (var tuples in game.CastedRays)
{
foreach (var(ray, wall) in tuples)
{
if (ray.B.X > 0 && ray.B.Y > 0)
{
var bmp = textures[wall.Name];
var d1 = ray.Length;
var h1 = (distance / d1 * heights) * 2;
var width = bmp.Width;
var height = bmp.Height;
args.Graphics.DrawImage(
bmp, new RectangleF(0 + offset, 500 - (float)h1 / 2, 6, (float)h1),
new RectangleF((int)Utils.GetDist(wall.line.A, ray.B) % (width - 1), 0, 1, height),
GraphicsUnit.Pixel);
}
}
offset += 1000 / game.CastedRays.Length;
}
//args.Graphics.FillRectangle(Brushes.White, 0, 600, (float) Math.PI * 201, 800);
}
public void Shot()
{
var ray = new Ray(PlayerPos, _player.Direction);
var minDistance = double.MaxValue;
var s = new Vector(-85, -85);
foreach (var w in _map.Walls.Select(wall => ray.Cast(wall)).Where(w => minDistance > Utils.GetDist(w, PlayerPos) && w.X > 0))
{
minDistance = Utils.GetDist(w, PlayerPos);
}
var bestEnemy = new Enemy(s);
foreach (var enemy in _map.Enemies)
{
foreach (var w in enemy.EnemyWalls.Select(wall => ray.Cast(wall)).Where(w => minDistance > Utils.GetDist(w, PlayerPos) && w.X > 0))
{
bestEnemy = enemy;
minDistance = Utils.GetDist(w, PlayerPos);
}
}
if (bestEnemy.Position.X != -85)
{
_map.Enemies.Remove(bestEnemy);
}
}
public void CastRays()
{
for (var i = 0; i < CastedRays.Length; i++)
{
CastedRays[i] = new List <Tuple <Line, Wall> >();
}
for (var i = 0; i < CastedRays.Length; i++)
{
var ray = player.Rays[i];
var minLenght = double.MaxValue;
var zeroVector = new Vector(0, 0);
var bestCollision = new Tuple <Line, Wall>(new Line(zeroVector, zeroVector), new Wall(new Line(zeroVector, zeroVector), ""));
foreach (var wall in map.Walls.Concat(map.Doors.Select(z => z.DorWall)))
{
var currentPoint = ray.Cast(wall);
if (!(currentPoint.X > 0) || !(currentPoint.Y > 0) || !(Utils.GetDist(currentPoint, ray.Pos) < minLenght))
{
continue;
}
minLenght = Utils.GetDist(currentPoint, ray.Pos);
bestCollision = Tuple.Create(
new Line(new Vector(ray.Pos.X, ray.Pos.Y), new Vector(currentPoint.X, currentPoint.Y)),
wall);
}
CastedRays[i].Add(bestCollision);
foreach (var wall in map.Enemies.SelectMany(x => x.EnemyWalls))
{
var currentPoint = ray.Cast(wall);
if (currentPoint.X > 0 && currentPoint.Y > 0)
{
CastedRays[i].Add(Tuple.Create(
new Line(new Vector(ray.Pos.X, ray.Pos.Y), new Vector(currentPoint.X, currentPoint.Y)),
wall));
}
}
CastedRays[i] = CastedRays[i].OrderBy(x => - Utils.GetDist(x.Item1.B, ray.Pos)).ToList();
}
}
public void CastRays()
{
for (var i = 0; i < CastedRays.Length; i++)
{
CastedRays[i] = new List <Tuple <Line, Wall> >();
}
for (var i = 0; i < _player.Rays.Count; i++)
{
var ray = _player.Rays[i];
foreach (var wall in _map.Walls.Concat(_map.Enemies.SelectMany(x => x.EnemyWalls).Concat(_map.Doors.Select(z => z.DorWall))))
{
var currentPoint = ray.Cast(wall);
if (currentPoint.X > 0 && currentPoint.Y > 0)
{
CastedRays[i].Add(Tuple.Create(
new Line(new Vector(ray.Pos.X, ray.Pos.Y), new Vector(currentPoint.X, currentPoint.Y)),
wall));
}
}
CastedRays[i] = CastedRays[i].OrderBy(x => - Utils.GetDist(x.Item1.B, ray.Pos)).ToList();
}
}
private Vector CorrectVector(Vector moveVector)
{
foreach (var wall in _map.Walls.Concat(_map.Doors.Select(x => x.DorWall)))
{
var t = new Vector(moveVector.X, moveVector.Y);
t.Normalize();
var playerRay = new Ray(new Vector(_player.X, _player.Y), 0)
{
Direction = t
};
var distanceToWall = playerRay.Cast(wall);
if (distanceToWall.X >= 0 && distanceToWall.Y >= 0 && moveVector.Length >
Utils.GetDist(new Vector(_player.X, _player.Y), distanceToWall))
{
var x1 = wall.line.A.X;
var x2 = wall.line.B.X;
var y1 = wall.line.A.Y;
var y2 = wall.line.B.Y;
var normalX = y2 - y1;
var normalY = x1 - x2;
var c = x1 * (y1 - y2) + y1 * (x2 - x1);
var px = moveVector.X + _player.X;
var py = moveVector.Y + _player.Y;
var distance = Math.Abs(normalX * px + normalY * py + c) / Math.Sqrt(normalX * normalX + normalY * normalY) + 0.1;
var normalVector = new Vector(normalX, normalY);
normalVector.Normalize();
normalVector *= distance;
moveVector += normalVector.X * moveVector.X + normalVector.Y * moveVector.Y > 0
? -normalVector
: normalVector;
}
}
return(moveVector);
}