private int HitTest(SplineBase spline, out float minDistance)
{
minDistance = float.PositiveInfinity;
if (Camera == null)
{
Debug.LogError("Camera is null");
return(-1);
}
if (RuntimeSelection.gameObjects == null)
{
return(-1);
}
Vector3[] controlPoints = new Vector3[spline.ControlPointCount];
for (int j = 0; j < controlPoints.Length; j++)
{
controlPoints[j] = spline.GetControlPoint(j);
}
minDistance = SelectionMargin * SelectionMargin;
int selectedIndex = -1;
Vector2 mousePositon = Input.mousePosition;
for (int i = 0; i < controlPoints.Length; ++i)
{
Vector3 ctrlPoint = controlPoints[i];
if (spline.IsControlPointLocked(i))
{
continue;
}
Vector2 pt = Camera.WorldToScreenPoint(ctrlPoint);
float mag = (pt - mousePositon).sqrMagnitude;
if (mag < minDistance)
{
minDistance = mag;
selectedIndex = i;
}
}
return(selectedIndex);
}
private void ShowPoints(SplineBase spline)
{
if (!spline.IsSelected)
{
return;
}
Quaternion handleRotation = Tools.pivotRotation == PivotRotation.Local ?
spline.transform.rotation : Quaternion.identity;
int firstPointIndex = 0;
if (spline.IsControlPointLocked(firstPointIndex))
{
firstPointIndex++;
if (spline.IsControlPointLocked(firstPointIndex))
{
firstPointIndex++;
}
}
int lastPointIndex = spline.ControlPointCount - 1;
if (spline.IsControlPointLocked(lastPointIndex))
{
lastPointIndex--;
if (spline.IsControlPointLocked(lastPointIndex))
{
lastPointIndex--;
}
}
if (ConvergingSpline)
{
if (spline.Loop)
{
if (firstPointIndex == 0)
{
firstPointIndex++;
}
if (lastPointIndex == spline.ControlPointCount - 1)
{
lastPointIndex--;
}
}
for (int i = firstPointIndex; i <= lastPointIndex; i++)
{
if (i % 3 == 0 && spline != m_splineBase)
{
Vector3 p = spline.GetControlPoint(i);
ShowPoint(spline, i, p, handleRotation);
}
}
}
else
{
for (int i = firstPointIndex; i <= lastPointIndex; i++)
{
Vector3 p = spline.GetControlPoint(i);
ShowPoint(spline, i, p, handleRotation);
}
}
if (m_selectedIndex == -1 && spline == m_splineBase)
{
ShowSplineLength(m_splineBase, m_greenLabelStyle);
}
}
private void UpdateRenderersState()
{
if (m_index == 0 || m_index == 1)
{
if (m_spline.PrevSpline != null)
{
if (m_renderer != null)
{
m_renderer.enabled = !m_spline.IsControlPointLocked(m_index);
}
}
else
{
if (m_renderer != null && !m_renderer.enabled)
{
m_renderer.enabled = true;
}
}
}
else if (m_index == m_spline.ControlPointCount - 1 || m_index == m_spline.ControlPointCount - 2)
{
if (m_spline.NextSpline != null)
{
if (m_renderer != null)
{
m_renderer.enabled = !m_spline.IsControlPointLocked(m_index);
}
}
else
{
if (m_renderer != null && !m_renderer.enabled)
{
m_renderer.enabled = true;
}
}
}
else
{
if (m_renderer != null && !m_renderer.enabled)
{
m_renderer.enabled = true;
}
}
if (SplineBase.ConvergingSpline)
{
if (m_spline.Loop)
{
if (m_index == 0 || m_index == m_spline.ControlPointCount - 1)
{
if (m_renderer != null)
{
m_renderer.enabled = false;
}
}
}
if (m_index % 3 != 0 || m_spline == SplineBase.ConvergingSpline)
{
if (m_renderer != null)
{
m_renderer.enabled = false;
}
}
}
UpdateMaterial();
}