void SetupInputPlane(Vector2 mousePosition)
{
m_Plane = EditorHandleUtility.FindBestPlane(mousePosition);
if (ProGridsInterface.SnapEnabled())
{
m_Plane.SetNormalAndPosition(
m_Plane.normal,
ProGridsInterface.ProGridsSnap(m_Plane.normal * -m_Plane.distance));
}
var planeNormal = m_Plane.normal;
var planeCenter = m_Plane.normal * -m_Plane.distance;
// if hit point on plane is cardinal axis and on grid, snap to grid.
if (Math.IsCardinalAxis(planeNormal))
{
const float epsilon = .00001f;
float snapVal = Mathf.Abs(ProGridsInterface.SnapValue());
float rem = Mathf.Abs(snapVal - (Vector3.Scale(planeNormal, planeCenter).magnitude % snapVal));
polygon.isOnGrid = (rem < epsilon || Mathf.Abs(snapVal - rem) < epsilon);
}
else
{
polygon.isOnGrid = false;
}
}
/// <summary>
/// Snap a Vector3 to the nearest point on the current ProGrids grid if ProGrids is enabled, with mask.
/// </summary>
/// <param name="point"></param>
/// <param name="mask"></param>
/// <returns></returns>
public static Vector3 ProGridsSnap(Vector3 point, Vector3 mask)
{
if (GetProGridsType() == null)
return point;
if (ProGridsInterface.SnapEnabled())
{
float snap = ProGridsInterface.SnapValue();
return Snapping.SnapValue(point, mask * snap);
}
return point;
}
public static Vector3 ProGridsSnap(Vector3 point, Vector3 mask)
{
if (GetProGridsType() == null)
{
return(point);
}
if (ProGridsInterface.SnapEnabled())
{
float snap = ProGridsInterface.SnapValue();
return(ProBuilderSnapping.Snap(point, mask * snap));
}
return(point);
}
internal static void SetPivotLocationAndSnap(ProBuilderMesh mesh)
{
if (ProGridsInterface.SnapEnabled())
{
mesh.transform.position = Snapping.SnapValue(mesh.transform.position, ProGridsInterface.SnapValue());
}
else if (s_SnapNewShapesToGrid)
{
mesh.transform.position = Snapping.SnapValue(mesh.transform.position, new Vector3(
EditorPrefs.GetFloat("MoveSnapX"),
EditorPrefs.GetFloat("MoveSnapY"),
EditorPrefs.GetFloat("MoveSnapZ")));
}
mesh.Optimize();
}
protected void BeginEdit(string undoMessage)
{
if (m_IsEditing)
{
return;
}
// Disable iterative lightmapping
Lightmapping.PushGIWorkflowMode();
var selection = MeshSelection.topInternal.ToArray();
UndoUtility.RegisterCompleteObjectUndo(selection, string.IsNullOrEmpty(undoMessage) ? "Modify Vertices" : undoMessage);
if (beforeMeshModification != null)
{
beforeMeshModification(selection);
}
if (currentEvent.shift)
{
Extrude();
}
m_IsEditing = true;
m_ProgridsSnapEnabled = ProGridsInterface.SnapEnabled();
m_ProgridsSnapValue = ProGridsInterface.SnapValue();
m_SnapAxisConstraint = ProGridsInterface.UseAxisConstraints();
foreach (var mesh in selection)
{
mesh.ToMesh();
mesh.Refresh();
}
OnToolEngaged();
}
