public void Rebuild()
{
system = null;
definition = null;
steps.Clear();
Build();
}
private void BuildNextStep(bool setCurrentItem)
{
if (!InitSystem())
{
return;
}
// Iterate.
LSystems.IRewriteRules rules = definition as LSystems.IRewriteRules;
if (rules != null)
{
LSystems.System nextStep = system.Clone();
switch (rules.RewriteDirection)
{
case LSystems.RewriteDirection.LeftToRight:
nextStep.RewriteLeftToRight();
break;
case LSystems.RewriteDirection.RightToLeft:
nextStep.RewriteRightToLeft();
break;
default:
throw new InvalidOperationException("Unknown RewriteDirection");
}
nextStep.Decomposite();
this.steps.Insert(0, new Step()
{
System = nextStep, Name = string.Format("Step {0}", steps.Count)
});
system = nextStep;
}
if (setCurrentItem)
{
if (this.steps.Count > 0)
{
CollectionViewSource.GetDefaultView(this.steps).MoveCurrentTo(this.steps[0]);
}
NotifyPropertyChanged("System");
}
}
private bool InitSystem()
{
if (system != null)
{
return(true);
}
SystemError = null;
if (!BuildDefinition())
{
return(false);
}
try
{
system = LSystems.SystemBuilder.BuildSystem(definition);
}
catch (InvalidOperationException e)
{
// Failure.
SystemError = e.Message;
return(false);
}
LSystems.IRewriteRules rules = definition as LSystems.IRewriteRules;
if (rules != null)
{
system.String = rules.Axiom;
}
steps.Clear();
this.steps.Insert(0, new Step()
{
System = system, Name = "Axiom"
});
return(true);
}
public void SetSystem(LSystems.System system)
{
this.system = system;
// Rebuild system.
Clear(ref this.vertexesPtr);
Clear(ref this.colorsPtr);
Clear(ref this.normalsPtr);
Clear(ref this.triVertexesPtr);
Clear(ref this.triColorsPtr);
Clear(ref this.triNormalsPtr);
this.numQuadVertexes = 0;
this.numTriVertexes = 0;
this.vertexes.Clear();
this.normals.Clear();
this.colors.Clear();
this.triVertexes.Clear();
this.triNormals.Clear();
this.triColors.Clear();
this.helperLines.Clear();
ResetState();
this.Push();
if (this.system != null)
{
//Debug.WriteLine("---------------------");
//foreach (object obj in (IEnumerable)this.system.String)
//{
// Debug.WriteLine(string.Format("{0}", obj.GetType()));
//}
if (this.system.Definition is LSystems.Turtle.SystemDefinition)
{
((LSystems.Turtle.SystemDefinition) this.system.Definition).Turtle = this;
}
var interpreter = new LSystems.Turtle.Interpreter();
interpreter.RegisterExternalFunctions(this.system.Definition);
interpreter.Interpret(this, this.system.String as IEnumerable);
if (this.system.Definition is LSystems.Turtle.SystemDefinition)
{
((LSystems.Turtle.SystemDefinition) this.system.Definition).Turtle = null;
}
}
this.Pop();
// Generate normals.
for (int i = 0; i < vertexes.Count; i += 12)
{
OpenTK.Vector3 normal = CalcNormal(
new OpenTK.Vector3(vertexes[i], vertexes[i + 1], vertexes[i + 2]),
new OpenTK.Vector3(vertexes[i + 3], vertexes[i + 4], vertexes[i + 5]),
new OpenTK.Vector3(vertexes[i + 6], vertexes[i + 7], vertexes[i + 8]));
for (int j = 0; j < 4; ++j)
{
Add(normals, normal);
}
}
for (int i = 0; i < triVertexes.Count; i += 9)
{
OpenTK.Vector3 normal = CalcNormal(
new OpenTK.Vector3(triVertexes[i], triVertexes[i + 1], triVertexes[i + 2]),
new OpenTK.Vector3(triVertexes[i + 3], triVertexes[i + 4], triVertexes[i + 5]),
new OpenTK.Vector3(triVertexes[i + 6], triVertexes[i + 7], triVertexes[i + 8]));
for (int j = 0; j < 3; ++j)
{
Add(triNormals, normal);
}
}
// Copy arrays in non-managed memory.
Create(this.vertexes, ref this.vertexesPtr);
Create(this.colors, ref this.colorsPtr);
Create(this.normals, ref this.normalsPtr);
this.numQuadVertexes = this.vertexes.Count / 3;
Create(this.triVertexes, ref this.triVertexesPtr);
Create(this.triColors, ref this.triColorsPtr);
Create(this.triNormals, ref this.triNormalsPtr);
this.numTriVertexes = this.triVertexes.Count / 3;
this.toolStripLabelStatistics.Text =
string.Format("{0} quads, {1} triangles.", this.numQuadVertexes / 4, this.numTriVertexes / 3);
// Force redraw.
glControl1.Invalidate();
}
public void SetSystem(LSystems.System system)
{
this.system = system;
// Rebuild system.
Clear(ref this.vertexesPtr);
Clear(ref this.colorsPtr);
Clear(ref this.normalsPtr);
Clear(ref this.triVertexesPtr);
Clear(ref this.triColorsPtr);
Clear(ref this.triNormalsPtr);
this.numQuadVertexes = 0;
this.numTriVertexes = 0;
this.vertexes.Clear();
this.normals.Clear();
this.colors.Clear();
this.triVertexes.Clear();
this.triNormals.Clear();
this.triColors.Clear();
this.helperLines.Clear();
ResetState();
this.Push();
if (this.system != null)
{
//Debug.WriteLine("---------------------");
//foreach (object obj in (IEnumerable)this.system.String)
//{
// Debug.WriteLine(string.Format("{0}", obj.GetType()));
//}
if (this.system.Definition is LSystems.Turtle.SystemDefinition)
{
((LSystems.Turtle.SystemDefinition)this.system.Definition).Turtle = this;
}
var interpreter = new LSystems.Turtle.Interpreter();
interpreter.RegisterExternalFunctions(this.system.Definition);
interpreter.Interpret(this, this.system.String as IEnumerable);
if (this.system.Definition is LSystems.Turtle.SystemDefinition)
{
((LSystems.Turtle.SystemDefinition)this.system.Definition).Turtle = null;
}
}
this.Pop();
// Generate normals.
for (int i = 0; i < vertexes.Count; i += 12)
{
OpenTK.Vector3 normal = CalcNormal(
new OpenTK.Vector3(vertexes[i], vertexes[i + 1], vertexes[i + 2]),
new OpenTK.Vector3(vertexes[i + 3], vertexes[i + 4], vertexes[i + 5]),
new OpenTK.Vector3(vertexes[i + 6], vertexes[i + 7], vertexes[i + 8]));
for (int j = 0; j < 4; ++j) { Add(normals, normal); }
}
for (int i = 0; i < triVertexes.Count; i += 9)
{
OpenTK.Vector3 normal = CalcNormal(
new OpenTK.Vector3(triVertexes[i], triVertexes[i + 1], triVertexes[i + 2]),
new OpenTK.Vector3(triVertexes[i + 3], triVertexes[i + 4], triVertexes[i + 5]),
new OpenTK.Vector3(triVertexes[i + 6], triVertexes[i + 7], triVertexes[i + 8]));
for (int j = 0; j < 3; ++j) { Add(triNormals, normal); }
}
// Copy arrays in non-managed memory.
Create(this.vertexes, ref this.vertexesPtr);
Create(this.colors, ref this.colorsPtr);
Create(this.normals, ref this.normalsPtr);
this.numQuadVertexes = this.vertexes.Count / 3;
Create(this.triVertexes, ref this.triVertexesPtr);
Create(this.triColors, ref this.triColorsPtr);
Create(this.triNormals, ref this.triNormalsPtr);
this.numTriVertexes = this.triVertexes.Count / 3;
this.toolStripLabelStatistics.Text =
string.Format("{0} quads, {1} triangles.", this.numQuadVertexes / 4, this.numTriVertexes / 3);
// Force redraw.
glControl1.Invalidate();
}
private bool InitSystem()
{
if (system != null)
{
return true;
}
SystemError = null;
if (!BuildDefinition())
{
return false;
}
try
{
system = LSystems.SystemBuilder.BuildSystem(definition);
}
catch (InvalidOperationException e)
{
// Failure.
SystemError = e.Message;
return false;
}
LSystems.IRewriteRules rules = definition as LSystems.IRewriteRules;
if (rules != null)
{
system.String = rules.Axiom;
}
steps.Clear();
this.steps.Insert(0, new Step() { System = system, Name = "Axiom" });
return true;
}
private void BuildNextStep(bool setCurrentItem)
{
if (!InitSystem())
{
return;
}
// Iterate.
LSystems.IRewriteRules rules = definition as LSystems.IRewriteRules;
if (rules != null)
{
LSystems.System nextStep = system.Clone();
switch (rules.RewriteDirection)
{
case LSystems.RewriteDirection.LeftToRight:
nextStep.RewriteLeftToRight();
break;
case LSystems.RewriteDirection.RightToLeft:
nextStep.RewriteRightToLeft();
break;
default:
throw new InvalidOperationException("Unknown RewriteDirection");
}
nextStep.Decomposite();
this.steps.Insert(0, new Step() { System = nextStep, Name = string.Format("Step {0}", steps.Count) });
system = nextStep;
}
if (setCurrentItem)
{
if (this.steps.Count > 0)
{
CollectionViewSource.GetDefaultView(this.steps).MoveCurrentTo(this.steps[0]);
}
NotifyPropertyChanged("System");
}
}
public void Rebuild()
{
system = null;
definition = null;
steps.Clear();
Build();
}
