private void RebuildPath()
{
_CurvePoints = CRSpline3D.GeneratorPathControlPoints(_Path.Keys);
if (!_Path.UseWorldSpace)
{
for (int i = 0; i < _CurvePoints.Length; i++)
{
_CurvePoints[i] = _Path.transform.TransformPoint(_CurvePoints[i]);
}
}
_Path.transform.hasChanged = false;
// rebuild render points
int count = _Path.Length * _Path.SmoothAmount;
if (_RenderPoints == null || _RenderPoints.Length != count + 1)
{
_RenderPoints = new Vector3[count + 1];
}
_RenderPoints[0] = CRSpline3D.Interpolate(_CurvePoints, 0);
for (int i = 1; i <= count; i++)
{
float pm = (float)i / count;
_RenderPoints[i] = CRSpline3D.Interpolate(_CurvePoints, pm);
}
}
void _BtnSmoothPath_Click(object sender, System.EventArgs e)
{
Undo.RecordObject(_Path, "smooth path");
_Path.Keys = CRSpline3D.SmoothCurve(_Path.Keys, _Path.Interpolations);
RebuildPath();
EditorUtility.SetDirty(_Path);
}
private float CalcDistance(float startTime, float endTime, int resolution = 30)
{
float timeStep = (endTime - startTime) / resolution;
float distance = 0;
float time = startTime;
for (int i = 0; i < resolution; i++)
{
distance += Vector3.Distance(CRSpline3D.Interpolate(_CurvePoints, time), CRSpline3D.Interpolate(_CurvePoints, time + timeStep));
time += timeStep;
}
return(distance);
}
void OnEnable()
{
_Path = serializedObject.targetObject as CRSpline3D;
if (_Path.Keys == null || _Path.Keys.Length < 2)
{
_Path.Keys = new Vector3[] { _Path.transform.position, _Path.transform.position + Vector3.forward }
}
;
if (_Path.Times == null || _Path.Times.Length != _Path.Keys.Length)
{
_Path.Times = new float[_Path.Keys.Length];
for (int i = 0; i < _Path.Keys.Length; i++)
{
_Path.Times[i] = i;
}
}
_Path.ShowPath = false;
_PreSmoothAmount = _Path.SmoothAmount = Mathf.Max(2, _Path.SmoothAmount);
_PreUseWorldSpace = _Path.UseWorldSpace;
RebuildPath();
CreateUI();
ValidateGrid();
_BtnRemove.IsEnabled = _Path.Keys.Length > 2;
ValidateSelectedIndex();
_GridPoints.SelectedIndex = _Path.SelectedIndex;
_SimulationStarted = false;
_SimulationSpeed = 1.0f;
_SimulationCurrectTime = 0;
_Path.transform.hasChanged = false;
}
void OnDisable()
{
_Path.ShowPath = true;
}
void OnSceneGUI()
{
//if (Event.current != null)
//{
// Event e = Event.current;
// if (e.isMouse && e.type == EventType.mouseDown && e.button == 0)
// _GridPoints.SelectedIndex = CheckSelectedIndexByMouse(e.mousePosition);
//}
if (_CurvePoints != null && _Path != null)
{
Handles.color = _Path.Color;
if (_RenderPoints != null)
{
Handles.DrawAAPolyLine(3, _RenderPoints);
}
if (_LabelStyle == null)
{
_LabelStyle = new GUIStyle(EditorStyles.largeLabel);
_LabelStyle.fontSize = 12;
_LabelStyle.fontStyle = FontStyle.Bold;
}
if (_Path.ShowPoints)
{
_LabelStyle.normal.textColor = _Path.Color;
for (int i = 1; i < _CurvePoints.Length - 1; i++)
{
Vector3 point = _CurvePoints[i];
float handleSize = HandleUtility.GetHandleSize(point);
point.y += _Path.PointRadius + handleSize * 0.25f;
Handles.Label(point, (i - 1).ToString(), _LabelStyle);
}
}
}
int index = _Path.SelectedIndex;
if (index >= 0)
{
bool changed = _Path.transform.hasChanged;
Vector3 point = _Path.Keys[index];
if (!_Path.UseWorldSpace)
{
point = _Path.transform.TransformPoint(point);
}
Vector3 newPos = Handles.PositionHandle(point, Quaternion.identity);
if (point != newPos)
{
if (!_Path.UseWorldSpace)
{
newPos = _Path.transform.InverseTransformPoint(newPos);
}
_VFValue.Value = _Path.Keys[index] = newPos;
changed = true;
}
if (changed)
{
EditorUtility.SetDirty(_Path);
RebuildPath();
ReloadProperties();
}
}
// ********************************* Simulation *************************************
if (_SimulationStarted)
{
if (_CurvePoints != null)
{
_SimulationCurrectTime += _SimulationSpeed / 120.0f;
if (_SimulationCurrectTime >= _Path.TimeLength)
{
StopSimulation();
}
else
{
Vector3 pos = CRSpline3D.Interpolate(_CurvePoints, _Path.ConvertToInterpolationTime(_SimulationCurrectTime));
Handles.color = Color.red;
Handles.SphereCap(0, pos, Quaternion.identity, HandleUtility.GetHandleSize(pos) * 0.2f);
SceneView.focusedWindow.Repaint();
}
}
}
// ********************************* GUI *************************************
Handles.BeginGUI();
GUILayout.BeginArea(new Rect(Screen.width - 200, Screen.height - 90, 190, 120));
GUILayout.BeginVertical();
if (_SimulationStarted)
{
if (GUILayout.Button("Stop Simulation"))
{
StopSimulation();
}
}
else
{
if (GUILayout.Button("Start Simulation"))
{
StartSimulation();
}
}
GUILayout.BeginHorizontal();
GUILayout.Label(string.Format("Speed : {0:F2}", _SimulationSpeed), GUILayout.MaxWidth(80));
_SimulationSpeed = GUILayout.HorizontalSlider(_SimulationSpeed, 0.1f, 2.0f);
GUILayout.EndHorizontal();
GUILayout.EndVertical();
GUILayout.EndArea();
Handles.EndGUI();
}
