/// <summary>
/// Sets a point in the line
/// This function is not guaranteed to have an effect
/// </summary>
/// <param name="pointIndex"></param>
/// <param name="point"></param>
public void SetPoint(int pointIndex, Vector3 point)
{
if (pointIndex < 0 || pointIndex >= PointCount)
{
Debug.LogError("Invalid point index");
return;
}
SetPointInternal(pointIndex, LineTransform.InverseTransformPoint(point));
}
private Vector3 InverseTransformPoint(Vector3 point)
{
switch (transformMode)
{
case LinePointTransformMode.UseTransform:
default:
return(LineTransform.InverseTransformPoint(point));
case LinePointTransformMode.UseMatrix:
return(worldToLocalMatrix.MultiplyPoint3x4(point));
}
}
protected override void OnRenderPoint(int index, BoundaryVertex point, Vector3 pos, float handleSize)
{
EventType eventType = Event.current.type;
int arrowId = GUIUtility.GetControlID(FocusType.Passive);
Vector3 dir = LineTransform.TransformDirection(point.Normal);
RenderNormal(pos, dir, eventType, arrowId);
if (eventType == EventType.MouseDown)
{
if (HandleUtility.nearestControl == arrowId)
{
selectedNormalIndex = index;
SelectPoint(index, notify: false);
}
}
if (selectedNormalIndex != index)
{
return;
}
EditorGUI.BeginChangeCheck();
Vector3 destination = Handles.DoPositionHandle(pos + dir, HandleTransform);
destination = LineTransform.InverseTransformPoint(destination);
if (!EditorGUI.EndChangeCheck())
{
return;
}
Undo.RecordObject(Line, "Move Normal");
EditorUtility.SetDirty(Line);
point.Normal = destination - point.Position;
float sqrMagnitude = point.Normal.sqrMagnitude;
// Don't normalize if less that 1 to avoid glitchy movement
if (sqrMagnitude > 1)
{
point.Normal /= Mathf.Sqrt(sqrMagnitude);
}
Line.SetPoint(index, point);
}