protected bool IgnoreDepthForRayCasts(Camera camera)
{
return(CSGSettings.Assume2DView(camera));
}
protected bool IgnoreDepthForRayCasts(SceneView sceneview)
{
return(CSGSettings.Assume2DView(sceneview));
}
protected void GrabHeightHandle(int index, bool ignoreFirstMouseUp = false)
{
var sceneView = SceneView.currentDrawingSceneView; //(SceneView.currentDrawingSceneView != null) ? SceneView.currentDrawingSceneView : SceneView.lastActiveSceneView;
var camera = (sceneView == null) ? null : sceneView.camera;
if (camera == null)
{
return;
}
var assume2DView = CSGSettings.Assume2DView(sceneView);
firstClick = ignoreFirstMouseUp;
editMode = EditMode.ExtrudeShape;
GUIUtility.hotControl = extrusionPoints[index].ID;
GUIUtility.keyboardControl = extrusionPoints[index].ID;
EditorGUIUtility.editingTextField = false;
EditorGUIUtility.SetWantsMouseJumping(1);
var surfaceDirection = buildPlane.normal;
var closestAxisForward = GeometryUtility.SnapToClosestAxis(-camera.transform.forward);
var closestAxisArrow = GeometryUtility.SnapToClosestAxis(surfaceDirection);
Vector3 tangent, normal;
float dot = Mathf.Abs(Vector3.Dot(closestAxisForward, closestAxisArrow));
if (dot != 1)
{
Vector3 v1, v2;
if (closestAxisForward.x == 0 && closestAxisForward.y == 0)
{
v1 = new Vector3(1, 0, 0);
v2 = new Vector3(0, 1, 0);
}
else
if (closestAxisForward.x == 0 && closestAxisForward.z == 0)
{
v1 = new Vector3(1, 0, 0);
v2 = new Vector3(0, 0, 1);
}
else
//if (closestAxisForward.y == 0 && closestAxisForward.z == 0)
{
v1 = new Vector3(0, 1, 0);
v2 = new Vector3(0, 0, 1);
}
var backward = -camera.transform.forward;
float dot1 = Vector3.Dot(backward, v1);
float dot2 = Vector3.Dot(backward, v2);
if (dot1 < dot2)
{
tangent = v1;
}
else
{
tangent = v2;
}
}
else
{
tangent = GeometryUtility.SnapToClosestAxis(Vector3.Cross(surfaceDirection, -camera.transform.forward));
}
normal = Vector3.Cross(surfaceDirection, tangent);
if (assume2DView)
{
normal = -camera.transform.forward;
}
if (normal == MathConstants.zeroVector3)
{
normal = GeometryUtility.SnapToClosestAxis(-camera.transform.forward);
}
movePlane = new CSGPlane(normal, extrusionPoints[index].Position);
if (!assume2DView && Mathf.Abs(movePlane.Distance(camera.transform.position)) < 2.0f)
{
var new_tangent = Vector3.Cross(normal, closestAxisForward);
if (new_tangent != MathConstants.zeroVector3)
{
tangent = new_tangent;
normal = Vector3.Cross(surfaceDirection, tangent);
movePlane = new CSGPlane(normal, extrusionPoints[index].Position);
}
}
movePolygonDirection = haveForcedDirection ? forcedDirection : buildPlane.normal;
if (!isFinished)
{
RealtimeCSG.CSGGrid.SetForcedGrid(movePlane);
}
var plane = new CSGPlane(buildPlane.normal, extrusionPoints[index].Position);
heightPosition = Event.current.mousePosition;
heightHandleOffset = (plane.Distance(GetHeightHandlePosition(extrusionPoints[index].Position)) * movePolygonDirection);
if (float.IsInfinity(heightHandleOffset.x) || float.IsNaN(heightHandleOffset.x) ||
float.IsInfinity(heightHandleOffset.y) || float.IsNaN(heightHandleOffset.y) ||
float.IsInfinity(heightHandleOffset.z) || float.IsNaN(heightHandleOffset.z))
{
heightHandleOffset = Vector3.zero;
}
}
