/// <summary>
/// Renders this spline's Curves into the Scene View. Should only be called from OnSceneGUI.
/// </summary>
/// <param name="displayTangents">If true, also renders tangent lines.</param>
public void RenderCurvesInSceneView(bool displayTangents = false)
{
int segCount = GetCurveCount();
if (segCount <= 0)
{
return;
}
for (int i = segCount - 1; i >= 0; i--)
{
BezierCurve seg = GetCurve(i);
DisplayCurveInSceneView(seg);
UnityEditor.Handles.color = Color.green;
//Display Tangents
if (displayTangents)
{
if (seg.GetStartPoint().tangentForward)
{
Vector3 p0 = transform.TransformPoint(seg.GetStartPoint().point);
Vector3 p1 = p0 + transform.TransformVector(seg.GetStartPoint().tangentForward.point);
UnityEditor.Handles.DrawLine(p0, p1);
}
if (seg.GetEndPoint().tangentBackward)
{
Vector3 p0 = transform.TransformPoint(seg.GetEndPoint().point);
Vector3 p1 = p0 + transform.TransformVector(seg.GetEndPoint().tangentBackward.point);
UnityEditor.Handles.DrawLine(p0, p1);
}
}
}
}
/// <summary>
/// Renders all handles and tangents when applicable.
/// </summary>
private void RenderHandles()
{
int pointCount = spline.GetControlPointCount();
int index = 0;
Handles.color = Color.white;
for (int i = pointCount - 1; i >= 0; i--)
{
ControlPoint p = spline.GetControlPoint(i);
ShowPoint(p, index);
index++;
}
int segCount = spline.GetCurveCount();
if (segCount <= 0)
{
return;
}
for (int i = segCount - 1; i >= 0; i--)
{
BezierCurve seg = spline.GetCurve(i);
Handles.color = Color.green;
//Display Tangents
if (!deletePointMode)
{
if (seg.GetStartPoint().tangentForward)
{
ShowTangentPoint(seg.GetStartPoint(), seg.GetStartPoint().tangentForward, index);
index++;
}
if (seg.GetEndPoint().tangentBackward)
{
ShowTangentPoint(seg.GetEndPoint(), seg.GetEndPoint().tangentBackward, index);
index++;
}
}
}
}