/// <summary>
/// Draws a tangent handle.
/// </summary>
/// <returns>The new tangent.</returns>
/// <param name="pointPosition">Point position.</param>
/// <param name="tangent">Tangent.</param>
public static Vector3 TangentHandle(Vector3 pointPosition, Vector3 tangent)
{
Vector3 tangentPosition = pointPosition + tangent;
float pointSize = HandleUtils.GetDotSize(tangentPosition);
Vector3 newTangentPosition = Handles.FreeMoveHandle(tangentPosition, Quaternion.identity, pointSize, Vector3.zero,
Handles.DotCap);
Color oldColor = Handles.color;
Handles.color = oldColor * new Color(1.0f, 1.0f, 1.0f, 0.5f);
Handles.DrawLine(pointPosition, newTangentPosition);
Handles.color = oldColor;
return(newTangentPosition - pointPosition);
}
/// <summary>
/// Draws the handle for a bezier point.
/// </summary>
/// <param name="point">Point.</param>
public static void BezierPointHandle(IBezierPoint point)
{
float pointSize = HandleUtils.GetDotSize(point.position);
point.position = Handles.FreeMoveHandle(point.position, Quaternion.identity, pointSize, Vector3.zero, Handles.DotCap);
}
