void DrawSceneGrid(SceneView view)
{
var currentEvent = Event.current;
if (m_DrawGrid && (currentEvent.type == EventType.Repaint || m_DoGridRepaint))
{
Vector3 previousPivot = m_Pivot;
CalculateGridPlacement(view);
if (gridIsOrthographic)
{
Axis camAxis = EnumExtension.AxisWithVector(Camera.current.transform.TransformDirection(Vector3.forward).normalized);
if (m_RenderPlane != camAxis)
{
SetRenderPlane(camAxis);
}
GridRenderer.DrawOrthographic(view.camera, camAxis, SnapValueInUnityUnits, m_DrawAngles ? AngleValue : -1f);
}
else
{
float camDistance = Vector3.Distance(view.camera.transform.position, previousPivot);
if (m_DoGridRepaint ||
m_Pivot != previousPivot ||
Mathf.Abs(camDistance - m_LastDistanceCameraToPivot) > m_LastDistanceCameraToPivot / 2 ||
m_CameraDirection != m_PreviousCameraDirection)
{
m_PreviousCameraDirection = m_CameraDirection;
m_DoGridRepaint = false;
m_LastDistanceCameraToPivot = camDistance;
if (FullGridEnabled)
{
GridRenderer.SetPerspective3D(view.camera, m_Pivot, m_SnapSettings.SnapValueInUnityUnits());
}
else
{
m_PlaneGridDrawDistance = GridRenderer.SetPerspective(view.camera, m_RenderPlane, m_SnapSettings.SnapValueInUnityUnits(), m_Pivot, GridRenderOffset);
}
}
GridRenderer.Repaint();
}
}
}
internal static float SetPerspective(Camera cam, Axis axis, float snapValue, Vector3 position, float offset)
{
if ((axis & Axis.X) == Axis.X)
{
return(GridRenderer.SetPerspective(cam, position + Vector3.right * offset, Vector3.up, Vector3.forward, snapValue, gridColorX));
}
if ((axis & Axis.Y) == Axis.Y)
{
return(GridRenderer.SetPerspective(cam, position + Vector3.up * offset, Vector3.right, Vector3.forward, snapValue, gridColorY));
}
if ((axis & Axis.Z) == Axis.Z)
{
return(GridRenderer.SetPerspective(cam, position + Vector3.forward * offset, Vector3.up, Vector3.right, snapValue, gridColorZ));
}
return(0f);
}