void RestoreDrawState(LSystem.Token token, LSystem system)
{
DrawState drawState = _savedPositions.Pop();
_currentPosition = drawState.Position;
_currentAngle = drawState.Angle;
_lineLength = drawState.LineLength;
_segmentCount = drawState.SegmentCount;
}
void DrawCircle(LSystem.Token token, LSystem system)
{
float sizeStart = _lineLength;
float sizeEnd = sizeStart;
if (token.Parent == null || token.Parent.Sign != 'C')
{
// New circle
sizeStart = 0f;
}
_RenderManager.CreateInterpolableCircle(token.Depth + token.DrawableId, _currentPosition, _currentPosition, sizeStart, sizeEnd);
token.Start = _currentPosition;
token.End = _currentPosition;
}
public override string Evaluate(LSystem.Token token)
{
Assert.IsNotNull(_ruleParams, "StochasticRule.Evaluate: There are no entries.");
Assert.IsTrue(_ruleParams.Count > 0, "StochasticRule.Evaluate: There are no entries.");
float rand = Random.value;
float probability = 0f;
foreach (RuleParam param in _ruleParams)
{
probability += param.Probability;
if (rand <= probability)
{
return(param.Result);
}
}
return(_ruleParams[_ruleParams.Count - 1].Result);
}
void DrawLine(LSystem.Token token, LSystem system)
{
float lineLength = _lineLength;
Vector3 offset = Vector3.zero;
Vector3 pointStartA = _currentPosition;
Vector3 pointStartB = _currentPosition;
bool isParentDrawable = false;
if (token.Parent != null)
{
if (ContainsAction(token.Parent.Sign))
{
ActionData data = GetActionData(token.Parent.Sign);
isParentDrawable = data.IsDrawable;
}
}
Vector3 pointEndA = _currentPosition;
Vector3 pointEndB = _currentPosition + Quaternion.Euler(0f, 0f, _currentAngle) * new Vector3(lineLength, 0f, 0f);
if (token.Parent != null)
{
if (token.IsNewBranch || !isParentDrawable)
{
lineLength = _lineLength / Mathf.Pow(system.Data.DepthFactor, (system.Depth() - 1));
// Begin of line
pointStartA = _currentPosition;
pointStartB = _currentPosition;
// End of line
pointEndA = pointStartA;
pointEndB = _currentPosition + Quaternion.Euler(0f, 0f, _currentAngle) * new Vector3(lineLength, 0f, 0f);
}
else
{
// Split the current branch
float ratioStart = (float)(token.DrawableId - 1) / (float)token.DrawableIdMax;
float ratioEnd = (float)token.DrawableId / (float)token.DrawableIdMax;
// Begin of line
pointStartA = token.Parent.Start + (token.Parent.End - token.Parent.Start) * ratioStart;
pointStartB = token.Parent.Start + (token.Parent.End - token.Parent.Start) * ratioEnd;
// End of line
pointEndA = pointStartA;
pointEndB = pointStartB;
}
}
_currentPosition = pointEndB;
// if isParentDrawable -> changer l'ordre de dessin
_RenderManager.CreateInterpolableLine(token.Depth + token.DrawableId, pointStartA, pointEndA, pointStartB, pointEndB);
//Debug.Log("New line - token: " + token.ToString() + " | pointStartA: " + start1.ToString("F2") + " | pointEndA : " + pointEndA.ToString("F2") + " | pointStartB: " + pointStartB.ToString("F2") + " |pointEndB: " + pointEndB.ToString("F2"));
token.Start = pointEndA;
token.End = pointEndB;
_segmentCount++;
}
void Move(LSystem.Token token, LSystem system)
{
float lineLength = _lineLength / Mathf.Pow(system.Data.DepthFactor, (system.Depth() - 1));
_currentPosition = _currentPosition + Quaternion.Euler(0f, 0f, _currentAngle) * new Vector3(lineLength, 0f, 0f);
}
void DivideLineLength(LSystem.Token token, LSystem system)
{
_lineLength /= _lineLengthScaleFactor;
}
void MultiplyLineLength(LSystem.Token token, LSystem system)
{
_lineLength *= _lineLengthScaleFactor;
}
void SaveDrawState(LSystem.Token token, LSystem system)
{
_savedPositions.Push(new DrawState(_currentPosition, _currentAngle, _lineLength, _segmentCount));
}
void DecreaseAngle(LSystem.Token token, LSystem system)
{
_currentAngle -= system.Data.Angle.Value();
}