public RiverDriver(IFluidSimulation simulation)
{
_simulation = simulation;
for (int y = 0; y < _simulation.Height; ++y)
{
for (int x = 0; x < _simulation.Width; ++x)
{
if ((y < _simulation.Height / 3 && x < _simulation.Width * 5 / 8)
|| (y > _simulation.Height * 2 / 3) || (x > _simulation.Width * 7 / 8)
|| ((x > _simulation.Width * 5 / 8 && y > _simulation.Height / 3
&& Mathf.Pow(((float)x / _simulation.Width - 5.0f / 8) * 4, 2)
+ Mathf.Pow(((float)y / _simulation.Height - 1.0f / 3) * 3, 2) > 1))
|| (x > _simulation.Width * 24 / 32 && x < _simulation.Width * 25 / 32
&& y > _simulation.Height * 2 / 16 && y < _simulation.Height * 4 / 16))
{
_simulation.AddWater(x, y, 2.0f);
_simulation.SetSolid(x, y, true);
}
}
}
}
public MazeDriver(IFluidSimulation simulation)
{
_simulation = simulation;
for (int y = 0; y < _simulation.Height; ++y)
{
for (int x = 0; x < _simulation.Width; ++x)
{
_simulation.SetHeight(x, y, 1.0f);
_simulation.SetSolid(x, y, true);
}
}
int[,] maze = new int[_mazeSize, _mazeSize];
for (int y = 0; y < _mazeSize; y += 2)
{
for (int x = 0; x < _mazeSize; x += 2)
{
maze[x,y] = 1;
}
}
int numWalls = 2 * (_mazeSize/2) * ((_mazeSize/2) - 1);
int[] walls = new int[numWalls];
for (int i = 0; i < numWalls; ++i)
{
walls[i] = i;
}
System.Random rng = new System.Random();
for (int i = 0; i < numWalls-1; ++i)
{
int swapWith = rng.Next(numWalls - i) + i;
if (swapWith != i)
{
int old = walls[i];
walls[i] = walls[swapWith];
walls[swapWith] = old;
}
}
maze[_mazeSize/4 * 2, _mazeSize/4 * 2] = 2;
int count = (_mazeSize/2) * (_mazeSize/2) - 1;
int pos = 0;
while (count > 0)
{
++pos;
if (pos >= numWalls) pos = 0;
int x, y, dx, dy;
if (walls[pos] < numWalls / 2)
{
x = 2 * (walls[pos] % (_mazeSize/2));
y = 1 + 2 * (walls[pos] / (_mazeSize/2));
dx = 0;
dy = 1;
}
else
{
y = 2 * ((walls[pos] - numWalls/2) % (_mazeSize/2));
x = 1 + 2 * ((walls[pos] - numWalls/2) / (_mazeSize/2));
dy = 0;
dx = 1;
}
if (maze[x, y] != 0)
continue;
if (maze[x+dx, y+dy] != 2 && maze[x-dx, y-dy] != 2)
continue;
if (maze[x+dx, y+dy] == 2 && maze[x-dx, y-dy] == 2)
continue;
maze[x+dx, y+dy] = 2;
maze[x-dx, y-dy] = 2;
maze[x, y] = 2;
--count;
}
for (int y = 0; y < _mazeSize; ++y)
{
for (int x = 0; x < _mazeSize; ++x)
{
if (maze[x, y] != 0)
ClearSquare(x, y);
}
}
}