/// <summary>
/// Run the simulation
/// </summary>
public void Run(Universe universe, int maximumSteps)
{
// Initial ant position and direction, at the center of the universe
// and pointing down
Ant ant = new Ant
{
Position = new Coordinate {
X = universe.Size / 2, Y = universe.Size / 2
},
Direction = 2
};
// Report the initial position of the ant
Steps = 0;
AntPositionChanged?.Invoke(this, new AntPositionChangedEventArgs
{
Position = ant.Position,
StepNumber = Steps
});
bool simulationCompleted = false;
Started = DateTime.Now;
while (!simulationCompleted)
{
Steps++;
// Determine the current cell position and colour
int currentX = ant.Position.X;
int currentY = ant.Position.Y;
int index = universe.ConvertCoordinateToIndex(ant.Position);
int currentCellColour = universe.Matrix[index];
// Move the ant
int movementOffset = ant.Direction * 6 + currentCellColour * 3;
ant.Position.X += _movementArray[movementOffset];
ant.Position.Y += _movementArray[movementOffset + 1];
ant.Direction = _movementArray[movementOffset + 2];
AntPositionChanged?.Invoke(this, new AntPositionChangedEventArgs
{
Position = ant.Position,
StepNumber = Steps
});
// Invert the previous cell
universe.Matrix[index] = Math.Abs(currentCellColour - 1);
CellColourChanged?.Invoke(this, new CellColourChangedEventArgs
{
Position = new Coordinate {
X = currentX, Y = currentY
},
StepNumber = Steps,
Colour = universe.Matrix[index]
});
simulationCompleted = universe.IsOutOfBounds(ant.Position) ||
((Steps >= maximumSteps) && (maximumSteps > 0));
}
Completed = DateTime.Now;
RunTime = (long)(Completed - Started).TotalMilliseconds;
TimePerStep = (decimal)RunTime / (decimal)Steps;
}