private void ReloadProperties()
{
_IgnoreChanges = true;
Keyframe3D key = _Path.Keys[_Path.SelectedIndex];
_FFTime.Value = key.Time;
_VFValue.Value = key.Value;
_VFInTangent.Value = key.InTangent;
_VFOutTangent.Value = key.OutTangent;
_IgnoreChanges = false;
}
void _BtnSmoothPoint_Click(object sender, System.EventArgs e)
{
if (_Curve3D != null && _Path.SelectedIndex >= 0)
{
Undo.RecordObject(_Path, string.Format("Smooth Point : {0}", _Path.SelectedIndex));
_Curve3D.SmoothTangents(_Path.SelectedIndex, _Path.SmoothValue);
Keyframe3D smoothedKey = _Curve3D[_Path.SelectedIndex];
_Path.Keys[_Path.SelectedIndex] = smoothedKey;
ReloadProperties();
RebuildPoints();
}
}
void SelectedPoint_ValueChanged(object sender, System.EventArgs e)
{
if (_Path.SelectedIndex >= 0 && !_IgnoreChanges)
{
_IgnoreChanges = true;
Keyframe3D key = _Path.Keys[_Path.SelectedIndex];
Keyframe3D prekey = _Path.Keys[Mathf.Max(0, _Path.SelectedIndex - 1)];
Keyframe3D nextkey = _Path.Keys[Mathf.Min(_Path.Keys.Length - 1, _Path.SelectedIndex + 1)];
if (prekey != key && _FFTime.Value <= prekey.Time)
{
_FFTime.Value = prekey.Time + 0.0001f;
}
if (nextkey != key && _FFTime.Value >= nextkey.Time)
{
_FFTime.Value = nextkey.Time - 0.0001f;
}
if (_FFTime.Value < 0)
{
_FFTime.Value = 0;
}
if (_FFTime.Value > _Path.PathTime)
{
_FFLinearTime.Value = _Path.PathTime = _FFTime.Value;
}
else if (_Path.SelectedIndex == _Path.Keys.Length - 1 && _FFTime.Value < _Path.PathTime)
{
_FFLinearTime.Value = _Path.PathTime = _FFTime.Value;
}
key.Time = _FFTime.Value;
key.Value = _VFValue.Value;
key.InTangent = _VFInTangent.Value;
key.OutTangent = _VFOutTangent.Value;
_IgnoreChanges = false;
}
}
void _BtnAdd_Click(object sender, System.EventArgs e)
{
if (_Path.SelectedIndex < 0 || _Path.SelectedIndex == _Path.Keys.Length - 1)
{
_Path.SelectedIndex = _Path.Keys.Length - 1;
}
_Path.SelectedIndex++;
Keyframe3D[] preKeys = _Path.Keys;
_Path.Keys = new Keyframe3D[preKeys.Length + 1];
for (int i = 0; i < _Path.SelectedIndex; i++)
{
_Path.Keys[i] = preKeys[i];
}
for (int i = _Path.SelectedIndex + 1; i < _Path.Keys.Length; i++)
{
_Path.Keys[i] = preKeys[i - 1];
}
_Path.Keys[_Path.SelectedIndex] = new Keyframe3D(_Path.Keys[_Path.SelectedIndex - 1]);
Keyframe3D preKey = _Path.Keys[Mathf.Max(_Path.SelectedIndex - 1, 0)];
Keyframe3D nextKey = _Path.Keys[Mathf.Min(_Path.SelectedIndex + 1, _Path.Length - 1)];
_Path.Keys[_Path.SelectedIndex].Value = (preKey.Value + nextKey.Value) * 0.5f;
_Path.Keys[_Path.SelectedIndex].Time = (preKey.Time + nextKey.Time) * 0.5f;
if (_Path.SelectedIndex == _Path.Length - 1)
{
_Path.Keys[_Path.SelectedIndex].Time++;
}
ValidateGrid();
_BtnRemove.IsEnabled = _Path.Keys.Length > 2;
_GridPoints.SelectedIndex = _Path.SelectedIndex;
ReloadProperties();
RebuildPath();
}
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;
Handles.DrawAAPolyLine(3, _CurvePoints);
}
int index = _Path.SelectedIndex;
if (index >= 0)
{
bool changed = _Path.transform.hasChanged;
Keyframe3D key = _Path.Keys[index];
Vector3 prePos = key.Value;
if (!_Path.UseWorldSpace)
{
prePos = _Path.transform.TransformPoint(prePos);
}
Vector3 newPos = Handles.PositionHandle(prePos, Quaternion.identity);
if (key.Value != newPos)
{
if (!_Path.UseWorldSpace)
{
newPos = _Path.transform.InverseTransformPoint(newPos);
}
_VFValue.Value = key.Value = newPos;
changed = true;
}
if (_Path.ShowInTangent)
{
changed |= DrawTangentHandle(key.Value, Color.magenta, "In", ref key.InTangent);
}
if (_Path.ShowOutTangent)
{
changed |= DrawTangentHandle(key.Value, Color.magenta, "Out", ref key.OutTangent);
}
if (changed)
{
EditorUtility.SetDirty(_Path);
RebuildPath();
ReloadProperties();
}
}
// ********************************* Simulation *************************************
if (_SimulationStarted)
{
if (_Curve3D != null)
{
_SimulationCurrectTime += _SimulationSpeed / 120.0f;
if (_SimulationCurrectTime >= _Path.TimeLength)
{
StopSimulation();
}
else
{
Vector3 pos;
if (_Path.UseWorldSpace)
{
pos = _Curve3D.Evaluate(_SimulationCurrectTime);
}
else
{
pos = _Path.transform.TransformPoint(_Curve3D.Evaluate(_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();
}