Constructor Detail

• PresetUtils

  public PresetUtils()

Method Detail

• isInPolygon

  public static boolean isInPolygon(Point src,
                                    java.util.List<Point> points)

  Determines whether a point falls in a polygon in a plane

  Parameters:

  src -

  points - End-to-end point set

  Returns:

• isInPolygon

  public static boolean isInPolygon(Point3D src,
                                    java.util.List<Point3D> points,
                                    float tolerance)

  Determines whether a point in a space falls in a polygon in a plane of the space

  Parameters:

  src -

  points - End-to-end point set

  tolerance - The tolerance

  Returns:

• genStripeLinePoints

  public static java.util.List<Point3D> genStripeLinePoints(java.util.List<Point3D> points,
                                                            float lineWidth,
                                                            float radius,
                                                            int edgeNum)

  Generates point set that is used for composing polygon which is parallel with XOY according to polyline point set.

  Parameters:

  points -

  lineWidth -

  radius -

  edgeNum -

  Returns:

• genVerticalPoints

  public static java.util.List<Point3D> genVerticalPoints(Point3D pointA,
                                                          Point3D pointB,
                                                          float width)

  In the plane parallel with XOY, gets the point set that is perpendicular to AB and passes AB and the distance is width (A doesn't overlap with B. The total number of points is 4) 3 --------- 2 \a---------b\ 0 --------- 1

  Parameters:

  pointA -

  pointB -

  width -

  Returns:

• genArcPoints

  public static java.util.List<Point3D> genArcPoints(java.util.List<Point3D> points,
                                                     float radius,
                                                     int edgeNum)

  Replaces the turning points with the continuous points on arcs at turning points according to the radius of rounded corner and the number of arcs

  Parameters:

  points -

  radius -

  edgeNum -

  Returns:

• getCenterPoint

  public static Point3D getCenterPoint(java.util.List<Point3D> sourceList)

  Gets the position of center from point set

  Parameters:

  sourceList -

  Returns:

• getQuaternionByVector

  public static Quaternion getQuaternionByVector(Vector v0,
                                                 Vector v1)

  Gets the rotation quaternion of unit vector V0 rotated to unit vector V1

  Parameters:

  v0 -

  v1 -

  Returns:

• getQuaternionByVector3

  public static Quaternion getQuaternionByVector3(Vector3 v0,
                                                  Vector3 v1)

  Gets the rotation quaternion of unit vector V0 rotated to unit vector V1

  Parameters:

  v0 -

  v1 -

  Returns:

• getQuaternionByPoint3Ds

  public static Quaternion getQuaternionByPoint3Ds(Point3D a,
                                                   Point3D b,
                                                   Point3D c)

  Gets the rotation quaternion of the plane composed of three points relative to horizontal plane

  Parameters:

  a -

  b -

  c -

  Returns:

• correctHitPoint

  public static Point3D correctHitPoint(Point3D cameraPosition,
                                        Point3D currentHitPoint,
                                        java.util.List<Point3D> list)

  Corrects the position of the impact point

  Parameters:

  cameraPosition - Camera position

  currentHitPoint - source impact point

  list - the vertexes of the impact object (the vertex counts are bigger than 3 and not in the same line)

  Returns:

• getPointByScreenRayTest

  public static Point3D getPointByScreenRayTest(AREffectBaseView arEffectBaseView,
                                                java.util.List<Point3D> list,
                                                float x,
                                                float y)

  Gets the intersection points of the rays that are generated from the screen coordinates and the plane composed of list point set. The returned value can be null Note: when the impact point is toward the rear of the orientation, returns null.

  Parameters:

  arEffectBaseView -

  list - the vertexes of the impact object (the vertex counts are bigger than 3 and not in the same line)

  x - x coordinate of screen

  y - y coordinate of screen

  Returns:

• correctHitPoint

  public static java.lang.Integer correctHitPoint(ARGeoVerticalRegion verticalRegion,
                                                  Point3D targetPoint)

  Correct impact points using the vertical plane

  Parameters:

  verticalRegion -

  targetPoint -

  Returns:

  index of part where the impact points locate

• getPointByHitResult

  public static Point3D getPointByHitResult(java.util.List<HitResult> hitResults0,
                                            HitTestMode hitTestMode)

  Gets the coordinates of impact points according to the impact result of ARCore. The function can return null

  Parameters:

  hitResults0 -

  hitTestMode -

  Returns:

• getAllPointByHitResult

  public static java.util.List<Point3D> getAllPointByHitResult(java.util.List<HitResult> hitResults)

• getCurrentCameraAzimuth

  public static float getCurrentCameraAzimuth(AREffectBaseView arView)

  Gets the angle between the current camera and the camera when it enables

  Parameters:

  arView -

  Returns:

• getNonRepeatPoints

  public static java.util.List<Point3D> getNonRepeatPoints(java.util.List<Point3D> list)

  The same points before and after filtering

  Parameters:

  list -

  Returns:

• genNewPointsBySpacingDistance

  public static java.util.List<Point3D> genNewPointsBySpacingDistance(Point3D a,
                                                                      Point3D b,
                                                                      float spacingDistance)

  Generates the corresponding point set between two points according to the specified interval.

  Parameters:

  a -

  b -

  spacingDistance -

  Returns:

• genNewPointsBySpacingDistance

  public static java.util.List<Point3D> genNewPointsBySpacingDistance(java.util.List<Point3D> points,
                                                                      float spacingDistance)

  Generates a new point set according to a certain interval spacingDistance and original point set

  Parameters:

  points -

  spacingDistance -

  Returns:

• isInLineSegment

  public static boolean isInLineSegment(Point3D src,
                                        Point3D a,
                                        Point3D b)

  Check whether SRC is on the AB line segment

  Parameters:

  src - Source point

  a - End of line segment A

  b - End of line segment B

  Returns:

  boolean

• isClockwiseAroundZ

  public static boolean isClockwiseAroundZ(java.util.ArrayList<Point3D> pointList,
                                           boolean status)

  Determine whether the set of points rotates clockwise

  Parameters:

  pointList - collection of points

  status - true represents a set of points end to end

  Returns:

  true，clockwise

• getTouchNearPointIndex

  public static int getTouchNearPointIndex(Point3D p,
                                           java.util.List<Point3D> list)

  Gets the closest point to a string of points

• getTouchNearPoint

  public static InsertInfo getTouchNearPoint(Point3D p,
                                             java.util.List<Point3D> list)

  To add a node, click the location to determine whether to add a node and where to add it

• correctHitPointVertical

  public static java.lang.Integer[] correctHitPointVertical(ARGeoPrism geoPrism,
                                                            Point3D targetPoint)

  Correct collision points using the side of the AR prism object

  Parameters:

  geoPrism - AR Prismatic object

  targetPoint - Point in front of the camera to be corrected

  Returns:

  Index of the part where the collision point is located, corresponding to the corresponding vertex index of the part

• correctHitPointBottom

  public static java.lang.Integer[] correctHitPointBottom(ARGeoPrism geoPrism,
                                                          Point3D targetPoint)

  Correct collision points using the underside of the AR prism object

  Parameters:

  geoPrism -

  targetPoint -

  Returns:

• correctHitPointTop

  public static java.lang.Integer[] correctHitPointTop(ARGeoPrism geoPrism,
                                                       Point3D targetPoint)

  Correct collision points using the top surface of the AR prism object

  Parameters:

  geoPrism -

  targetPoint -

  Returns:

• getScreenTouchNearPointIndex

  public static int getScreenTouchNearPointIndex(android.graphics.Point p,
                                                 java.util.List<android.graphics.Point> list)