public void SetCurve(CatmullRomCurve pCurve, float pProgress)
{
_curve = pCurve;
_progress = pProgress;
transform.localPosition = _curve.GetPointOnPath(pProgress);
}
void OnSceneGUI()
{
if (_target.enabled)
{
if (_target.nodes.Count > 0)
{
bool dirty = false;
//allow path adjustment undo:
Undo.RecordObject(_target, "Adjust Curve");
//node handle display:
Vector3 newWorldPosition;
Vector3 oldWorldPosition;
for (int i = 0; i < _target.nodes.Count; i++)
{
if (_target.isLocal)
{
oldWorldPosition = _target.transform.TransformPoint(_target.nodes[i]);
}
else
{
oldWorldPosition = _target.nodes[i];
}
if (i == 0)
{
Handles.Label(oldWorldPosition, "Begin", style);
}
if (i == _target.nodes.Count - 1)
{
Handles.Label(oldWorldPosition, "End", style);
}
newWorldPosition = Handles.PositionHandle(oldWorldPosition, Quaternion.identity);
if (newWorldPosition != oldWorldPosition)
{
dirty = true;
}
if (_target.isLocal)
{
_target.nodes[i] = _target.transform.InverseTransformPoint(newWorldPosition);
}
else
{
_target.nodes[i] = newWorldPosition;
}
}
if (dirty)
{
_curve = _target.GetWorldSpaceCurve();
}
Vector3 prevPt = _curve.GetPointOnPath(0);
Handles.color = _target.pathColor;
int numLines = _target.nodes.Count * _target.smoothAmount;
for (int i = 1; i <= numLines; i++)
{
float pm = (float)i / numLines;
Vector3 currPt = _curve.GetPointOnPath(pm);
Handles.DrawLine(currPt, prevPt);
prevPt = currPt;
}
}
}
}
