void Update()
{
if (_interpretor != null && !_interpretor.IsDoneExecuting())
{
return;
}
if (Input.GetKeyDown(KeyCode.LeftArrow))
{
_currentIndex = _currentIndex > 0 ? _currentIndex - 1 : _systemDatas.Count - 1;
_system.Data = _systemDatas[_currentIndex].Data;
_interpretor.Reset();
}
if (Input.GetKeyDown(KeyCode.RightArrow))
{
_currentIndex = _currentIndex < _systemDatas.Count - 1 ? _currentIndex + 1 : 0;
_system.Data = _systemDatas[_currentIndex].Data;
_interpretor.Reset();
}
if (Input.GetKeyDown(KeyCode.R))
{
_system.Reset();
_interpretor.Reset();
}
if (Input.GetKey(KeyCode.Space))
{
if (_system.Depth() >= 0)
{
// Draw
_interpretor.Reset();
_interpretor.Execute(_system);
}
// Compute next generation
_system.NextGeneration();
}
if (Input.GetKeyDown(KeyCode.H))
{
_showUI = !_showUI;
}
}
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);
}