/// <summary>
/// Constructor (overloaded)
/// </summary>
/// <param name="parser">Grammar parser instance</param>
/// <param name="startPoint">Starting point</param>
public LSystem(Parser parser, PointF startPoint, float startAngle = 0.0f, float step = 10.0f, float delta = ((float) Math.PI / 2),
float angleDelta = 0.0f, float stepDelta = 0.0f, int seed = 0, Pen pen = null)
{
_expandedGrammar = parser.Expand();
_startPoint = new PointF(startPoint.X, startPoint.Y);
_startAngle = startAngle;
_step = step;
_delta = delta;
_angleDelta = angleDelta;
_stepDelta = stepDelta;
_random = new Random(seed);
_pen = pen ?? new Pen(Color.Black);
_stateStack = new Stack<State>();
}
/// <summary>
/// Generate image (L-System)
/// </summary>
public void GenerateImage()
{
Backend.Parser parser = new Backend.Parser(Axiom, Rules, Iterations);
string expandedGrammar = "";
try
{
expandedGrammar = parser.Expand();
}
catch (OutOfMemoryException)
{
System.Windows.MessageBox.Show("Not enough memory, try decrease number of iterations.");
return;
}
Backend.LSystem lsystem = new Backend.LSystem(expandedGrammar,
new PointF(StartX * ((float)Renderer.WIDTH / Renderer.PREVIEW_WIDTH), StartY * ((float)Renderer.HEIGHT / Renderer.PREVIEW_HEIGHT)),
(float)(StartAngle / 180 * Math.PI),
StepSize,
(float)(Delta / 180 * Math.PI),
(AngleDelta / 100.0f),
(StepDelta / 100.0f),
Seed,
new Pen(new SolidBrush(Color.Black), LineWidth));
List <Backend.IDrawable> polylist = lsystem.Generate();
_renderer.Clear(SelectedBackgroundColor);
_renderer.Paint(polylist);
// cleanup
polylist.Clear();
// update gui
InvokePropertyChanged("Image");
}
/// <summary>
/// Generate image (L-System)
/// </summary>
public void GenerateImage()
{
Backend.Parser parser = new Backend.Parser(Axiom, Rules, Iterations);
string expandedGrammar = "";
try
{
expandedGrammar = parser.Expand();
}
catch (OutOfMemoryException)
{
System.Windows.MessageBox.Show("Not enough memory, try decrease number of iterations.");
return;
}
Backend.LSystem lsystem = new Backend.LSystem(expandedGrammar,
new PointF(StartX * ((float)Renderer.WIDTH / Renderer.PREVIEW_WIDTH), StartY * ((float)Renderer.HEIGHT / Renderer.PREVIEW_HEIGHT)),
(float)(StartAngle / 180 * Math.PI),
StepSize,
(float)(Delta / 180 * Math.PI),
(AngleDelta / 100.0f),
(StepDelta / 100.0f),
Seed,
new Pen(new SolidBrush(Color.Black), LineWidth));
List<Backend.IDrawable> polylist = lsystem.Generate();
_renderer.Clear(SelectedBackgroundColor);
_renderer.Paint(polylist);
// cleanup
polylist.Clear();
// update gui
InvokePropertyChanged("Image");
}