示例#1
0
 private float getPerdua(Vector vPoints, int startIndex, int endIndex) {
   Line2D.Float l =
       new Line2D.Float(
           (Point2D) vPoints.elementAt(startIndex), (Point2D) vPoints.elementAt(endIndex));
   float d = 0;
   for (int i = startIndex + 1; i < endIndex; i++)
     d += l.ptSegDist((Point2D) vPoints.elementAt(i));
   return d;
 }
示例#2
0
 private float getMaxPerdua(Vector vPoints, int startIndex, int endIndex) {
   Line2D.Float l =
       new Line2D.Float(
           (Point2D) vPoints.elementAt(startIndex), (Point2D) vPoints.elementAt(endIndex));
   double max = 0;
   for (int i = startIndex + 1; i < endIndex; i++)
     max = Math.max(max, l.ptSegDist((Point2D) vPoints.elementAt(i)));
   return (float) max;
 }
示例#3
0
 /**
  * Does line segment between a and b contain point (x,y)?
  *
  * @param a Point
  * @param b Point
  * @param x double
  * @param y double
  * @param maxDist double
  * @return true if line segment between a and b contain point (x,y)
  */
 public static boolean hitSegment(Point a, Point b, double x, double y, double maxDist) {
   if (Math.min(a.x, b.x) <= x + 1
       && x <= Math.max(a.x, b.x + 1)
       && Math.min(a.y, b.y) <= y + 1
       && y <= Math.max(a.y, b.y) + 1) {
     Line2D.Float line = new Line2D.Float(a, b);
     if (line.ptLineDist(x, y) <= maxDist) return true;
   }
   return false;
 }
  /**
   * @todo Refactor this. Shouldn't mix localisation logic and relation mutation logic in one method
   * @todo-javadoc Write javadocs for method parameter
   * @todo-javadoc Write javadocs for method parameter
   * @todo-javadoc Write javadocs for return value
   * @todo-javadoc Write javadocs for method parameter
   * @param evt Describe what the parameter does
   * @return Describe the return value
   */
  public boolean selectMaybe(MouseEvent evt) {
    boolean multiplicity = evt.isControlDown();
    boolean cardinality = evt.isShiftDown();
    Point point = evt.getPoint();
    setSelected(_mainLine.intersects(point.getX() - 5, point.getY() - 5, 10, 10));
    if (isSelected()) {
      double distFromP1 =
          Point2D.distance(_mainLine.getX1(), _mainLine.getY1(), point.getX(), point.getY());

      boolean nearP1 = distFromP1 < _mainLength / 2;
      boolean leftChosen = (_leftIsWest && nearP1) || (!_leftIsWest && !nearP1);
      RelationshipRole role = leftChosen ? _rightRole : _leftRole;
      if (multiplicity) {
        // toggle multiplicity. Let's prevent the user from doing something stupid. Some
        // cardinalities
        // can't be changed. we know best etc.
        if (role.getRelation().isMany2Many()) {
          // don't allow to change cardinality of m:n relationships
          JOptionPane.showMessageDialog(
              null,
              "Can't change the cardinality of a many-to-many relationship",
              "Cardinality",
              JOptionPane.INFORMATION_MESSAGE);
          return false;
        }
        if (role.isFkPk()) {
          // don't allow to change cardinality of 1:1 relationships that are 1:1 because fk is also
          // pk
          JOptionPane.showMessageDialog(
              null,
              "Can't change the cardinality of a one-to-one relationship where the foreign key is also a primary key",
              "Cardinality",
              JOptionPane.INFORMATION_MESSAGE);
          return false;
        }
        if (role.isTargetPrimaryKey()) {
          JOptionPane.showMessageDialog(
              null,
              "Can't change the cardinality of a the one-side of a relationship that corresponds to a primary key",
              "Cardinality",
              JOptionPane.INFORMATION_MESSAGE);
          return false;
        }
        // All checks passed. Do the toggle
        role.setTargetMany(!role.isTargetMany());
      }
      if (cardinality) {
        // toggle between uni/bidirectional
        role.setEnabled(!role.isEnabled());
      }
      return true;
    } else {
      return false;
    }
  }
示例#5
0
  // p : relative to left-bottom corner
  public boolean canSelected(Point p) {
    int boxX = p.x - Constants.HIT_BOX_SIZE / 2;
    int boxY = p.y - Constants.HIT_BOX_SIZE / 2;

    int width = Constants.HIT_BOX_SIZE;
    int height = Constants.HIT_BOX_SIZE;

    Line2D.Float line = new Line2D.Float(getStart(), getEnd());

    return line.intersects(boxX, boxY, width, height);
  }
示例#6
0
 /** Ensures all boids are inside the walls. */
 public void ensureContainment() {
   ArrayList<Line2D.Float> walls = p.getWalls();
   for (Boid boid : boids) {
     int intersections = 0;
     PVector position = boid.getPosition();
     for (Line2D.Float wall : walls) {
       if (wall.intersectsLine(position.x, position.y, Float.MAX_VALUE, position.y)) {
         ++intersections;
       }
     }
     if (intersections % 2 == 0) {
       boid.setPosition(new PVector(p.width / 2.0f, p.height / 2.0f));
       csp.updateEntity(boid, position);
     }
   }
 }
示例#7
0
  public void draw(Graphics2D g2, float x, float y) {
    AffineTransform transf = g2.getTransform();
    Stroke oldStroke = g2.getStroke();

    final double sx = transf.getScaleX();
    final double sy = transf.getScaleY();
    double s = 1;
    if (sx == sy) {
      // There are rounding problems due to scale factor: lines could have different
      // spacing...
      // So the increment (space+thickness) is done in using integer.
      s = sx;
      AffineTransform t = (AffineTransform) transf.clone();
      t.scale(1 / sx, 1 / sy);
      g2.setTransform(t);
    }

    g2.setStroke(
        new BasicStroke((float) (s * thickness), BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
    float th = thickness / 2.f;
    final Line2D.Float line = new Line2D.Float();
    float xx = x + space;
    xx = (float) (xx * s + (space / 2.f) * s);
    final int inc = (int) Math.round((space + thickness) * s);

    for (int i = 0; i < N; i++) {
      line.setLine(xx + th * s, (y - height) * s, xx + th * s, y * s);
      g2.draw(line);
      xx += inc;
    }

    if (strike) {

      line.setLine(
          (x + space) * s, (y - height / 2.f) * s, xx - s * space / 2, (y - height / 2.f) * s);
      g2.draw(line);
    }

    g2.setTransform(transf);
    g2.setStroke(oldStroke);
  }
示例#8
0
  /**
   * ******************************************************************************************
   * Draws the chart
   *
   * @param axisChart
   * @param iAxisChartDataSet
   * @throws PropertyException
   *     *******************************************************************************************
   */
  static void render(AxisChart axisChart, IAxisChartDataSet iAxisChartDataSet)
      throws PropertyException {
    Graphics2D g2d = axisChart.getGraphics2D();

    LineChartProperties lineChartProperties =
        (LineChartProperties) iAxisChartDataSet.getChartTypeProperties();
    lineChartProperties.validate(iAxisChartDataSet);

    // DataAxisProperties dataAxisProperties= (DataAxisProperties)
    // axisChart.getAxisProperties().getYAxisProperties();
    IDataSeries iDataSeries = (IDataSeries) axisChart.getIAxisDataSeries();

    // ---cache the computed values
    float[][] yAxisCoordinates =
        new float[iAxisChartDataSet.getNumberOfDataSets()]
            [iAxisChartDataSet.getNumberOfDataItems()];

    // ---need this for image map calculation
    float xMapCoordinate = axisChart.getXAxis().getTickStart();

    // LOOP
    for (int j = 0; j < iAxisChartDataSet.getNumberOfDataItems(); j++) {
      // LOOP
      for (int i = 0; i < yAxisCoordinates.length; i++) {
        if (iAxisChartDataSet.getValue(i, j) != Double.NaN) {
          yAxisCoordinates[i][j] =
              axisChart
                  .getYAxis()
                  .computeAxisCoordinate(
                      axisChart.getYAxis().getOrigin(),
                      iAxisChartDataSet.getValue(i, j),
                      axisChart.getYAxis().getScaleCalculator().getMinValue());

          // ---if we are generating an ImageMap, store the image coordinates
          if (axisChart.getGenerateImageMapFlag()) {
            String label;
            if (axisChart.getXAxis().getAxisLabelsGroup() != null) {
              label = axisChart.getXAxis().getAxisLabelsGroup().getTextTag(j).getText();
            } else {
              label = null;
            }

            axisChart
                .getImageMap()
                .addImageMapArea(
                    new CircleMapArea(
                        xMapCoordinate,
                        yAxisCoordinates[i][j],
                        iAxisChartDataSet.getValue(i, j),
                        label,
                        iAxisChartDataSet.getLegendLabel(i)));
          }
        } else {
          yAxisCoordinates[i][j] = Float.NaN;
        }
      }

      xMapCoordinate += axisChart.getXAxis().getScalePixelWidth();
    }

    AffineTransform originalTransform = null;
    double[] cornerXOffset = null;
    double[] cornerYOffset = null;

    // ---check if there are any points to display
    if (lineChartProperties.getShapes() != null) {
      // ---when centering the shapes on the points, need x and y offset to do this
      cornerXOffset = new double[iAxisChartDataSet.getNumberOfDataSets()];
      cornerYOffset = new double[iAxisChartDataSet.getNumberOfDataSets()];

      // ---get the original transform so can reset it.
      originalTransform = g2d.getTransform();

      Rectangle2D rectangle;

      // LOOP
      // ---pre-compute the dimensions of each Shape so do not do it in loop.
      for (int i = 0; i < iAxisChartDataSet.getNumberOfDataSets(); i++) {
        if (lineChartProperties.getShapes()[i] != null) {
          rectangle = lineChartProperties.getShapes()[i].getBounds2D();
          cornerXOffset[i] = rectangle.getWidth() / 2;
          cornerYOffset[i] = rectangle.getHeight() / 2;
        }
      }
    }

    // ---init for first segment
    Line2D.Float line =
        new Line2D.Float(
            axisChart.getXAxis().getTickStart(),
            yAxisCoordinates[0][0],
            axisChart.getXAxis().getTickStart(),
            yAxisCoordinates[0][0]);
    // ---make sure not plotting a chart with only one data point.
    if (yAxisCoordinates[0].length > 1) {
      line.y2 = yAxisCoordinates[0][1];
    }

    // LOOP
    // ---draw each line to the image
    for (int i = 0; i < yAxisCoordinates.length; i++) {
      line.x1 = axisChart.getXAxis().getTickStart();
      line.y1 = yAxisCoordinates[i][0];
      line.x2 = line.x1;

      // LOOP
      for (int j = 1; j < yAxisCoordinates[0].length; j++) {
        // ---if current point on line should be drawn
        if (!Float.isNaN(yAxisCoordinates[i][j])) {
          // ---if the previous point was not drawn, no line
          if (Float.isNaN(yAxisCoordinates[i][j - 1])) {
            line.x2 += axisChart.getXAxis().getScalePixelWidth();
            line.x1 = line.x2;
            line.y1 = yAxisCoordinates[i][j];
            line.y2 = yAxisCoordinates[i][j];

            continue;
          }

          line.x2 += axisChart.getXAxis().getScalePixelWidth();
          line.y2 = yAxisCoordinates[i][j];

          g2d.setPaint(iAxisChartDataSet.getPaint(i));
          g2d.setStroke(lineChartProperties.getLineStrokes()[i]);
          g2d.draw(line);

          // ---plot the Point
          if (lineChartProperties.getShapes()[i] != null) {
            // ---translate the Shape into position.
            g2d.translate(line.x1 - cornerXOffset[i], line.y1 - cornerYOffset[i]);

            g2d.setPaint(iAxisChartDataSet.getPaint(i));
            g2d.fill(lineChartProperties.getShapes()[i]);

            // ---translate back to the original position
            g2d.setTransform(originalTransform);
          }

          line.x1 = line.x2;
          line.y1 = line.y2;
        } else {
          if ((!Float.isNaN(yAxisCoordinates[i][j - 1]))
              && (lineChartProperties.getShapes()[i] != null)) {
            // ---translate the Shape into position.
            g2d.translate(line.x1 - cornerXOffset[i], line.y1 - cornerYOffset[i]);

            g2d.setPaint(iAxisChartDataSet.getPaint(i));
            g2d.fill(lineChartProperties.getShapes()[i]);

            // ---translate back to the original position
            g2d.setTransform(originalTransform);
          }

          line.x2 += axisChart.getXAxis().getScalePixelWidth();
          line.x1 = line.x2;
        }
      }

      // ---put the last shape on the line
      if ((!Float.isNaN(yAxisCoordinates[i][yAxisCoordinates[i].length - 1]))
          && (lineChartProperties.getShapes()[i] != null)) {
        // ---translate the Shape into position.
        g2d.translate(line.x2 - cornerXOffset[i], line.y2 - cornerYOffset[i]);

        g2d.setPaint(iAxisChartDataSet.getPaint(i));
        g2d.fill(lineChartProperties.getShapes()[i]);

        // ---translate back to the original position
        g2d.setTransform(originalTransform);
      }
    }
  }
  /**
   * Sets the CardinalityPoints attribute of the RelationLine object
   *
   * @todo refactor this duplicate code!!!
   */
  private void setCardinalityPoints() {
    // compute vector of length 1
    _mainLength =
        Point2D.distance(
            _mainLine.getX1(), _mainLine.getY1(), _mainLine.getX2(), _mainLine.getY2());
    double vx = (_mainLine.getX2() - _mainLine.getX1()) / _mainLength;
    double vy = (_mainLine.getY2() - _mainLine.getY1()) / _mainLength;
    double cardx = 20.0 * vx;
    double cardy = 20.0 * vy;
    double arrowx = 30.0 * vx;
    double arrowy = 30.0 * vy;
    if (_leftIsWest) {
      _leftArrowPoint.setLocation(_mainLine.getX1() + cardx, _mainLine.getY1() + cardy);
      _rightArrowPoint.setLocation(_mainLine.getX2() - cardx, _mainLine.getY2() - cardy);

      // The left-side arrow head
      _temp.setLocation(_mainLine.getX1() + arrowx, _mainLine.getY1() + arrowy);

      _arrowTransform.setToRotation(Math.PI / 6, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftArrowPoint1);
      _leftArrowLine1.setLine(
          _leftArrowPoint.getX(),
          _leftArrowPoint.getY(),
          _leftArrowPoint1.getX(),
          _leftArrowPoint1.getY());

      _arrowTransform.setToRotation(-Math.PI / 6, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftArrowPoint2);
      _leftArrowLine2.setLine(
          _leftArrowPoint.getX(),
          _leftArrowPoint.getY(),
          _leftArrowPoint2.getX(),
          _leftArrowPoint2.getY());

      _arrowTransform.setToRotation(Math.PI / 2, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftCardinalityPoint);

      _arrowTransform.setToRotation(-Math.PI / 2, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftFkPoint);

      // The right-side arrow head
      _temp.setLocation(_mainLine.getX2() - arrowx, _mainLine.getY2() - arrowy);

      _arrowTransform.setToRotation(Math.PI / 6, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightArrowPoint1);
      _rightArrowLine1.setLine(
          _rightArrowPoint.getX(),
          _rightArrowPoint.getY(),
          _rightArrowPoint1.getX(),
          _rightArrowPoint1.getY());

      _arrowTransform.setToRotation(-Math.PI / 6, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightArrowPoint2);
      _rightArrowLine2.setLine(
          _rightArrowPoint.getX(),
          _rightArrowPoint.getY(),
          _rightArrowPoint2.getX(),
          _rightArrowPoint2.getY());

      _arrowTransform.setToRotation(-Math.PI / 2, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightCardinalityPoint);

      _arrowTransform.setToRotation(Math.PI / 2, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightFkPoint);
    } else {
      _leftArrowPoint.setLocation(_mainLine.getX2() - cardx, _mainLine.getY2() - cardy);
      _rightArrowPoint.setLocation(_mainLine.getX1() + cardx, _mainLine.getY1() + cardy);

      // The left-side arrow head
      _temp.setLocation(_mainLine.getX2() - arrowx, _mainLine.getY2() - arrowy);

      _arrowTransform.setToRotation(Math.PI / 6, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftArrowPoint1);
      _leftArrowLine1.setLine(
          _leftArrowPoint.getX(),
          _leftArrowPoint.getY(),
          _leftArrowPoint1.getX(),
          _leftArrowPoint1.getY());

      _arrowTransform.setToRotation(-Math.PI / 6, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftArrowPoint2);
      _leftArrowLine2.setLine(
          _leftArrowPoint.getX(),
          _leftArrowPoint.getY(),
          _leftArrowPoint2.getX(),
          _leftArrowPoint2.getY());

      _arrowTransform.setToRotation(Math.PI / 2, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftCardinalityPoint);

      _arrowTransform.setToRotation(-Math.PI / 2, _leftArrowPoint.getX(), _leftArrowPoint.getY());
      _arrowTransform.transform(_temp, _leftFkPoint);

      // The right-side arrow head
      _temp.setLocation(_mainLine.getX1() + arrowx, _mainLine.getY1() + arrowy);

      _arrowTransform.setToRotation(Math.PI / 6, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightArrowPoint1);
      _rightArrowLine1.setLine(
          _rightArrowPoint.getX(),
          _rightArrowPoint.getY(),
          _rightArrowPoint1.getX(),
          _rightArrowPoint1.getY());

      _arrowTransform.setToRotation(-Math.PI / 6, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightArrowPoint2);
      _rightArrowLine2.setLine(
          _rightArrowPoint.getX(),
          _rightArrowPoint.getY(),
          _rightArrowPoint2.getX(),
          _rightArrowPoint2.getY());

      _arrowTransform.setToRotation(-Math.PI / 2, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightCardinalityPoint);

      _arrowTransform.setToRotation(Math.PI / 2, _rightArrowPoint.getX(), _rightArrowPoint.getY());
      _arrowTransform.transform(_temp, _rightFkPoint);
    }
  }
  /**
   * Updates all coordinates
   *
   * @todo Optimise. Some info can be cached
   * @todo Handle m:n (leftY/rightY etc)
   */
  public void update() {
    /*
     *  int leftY = _leftTable.getY() + _leftTable.getColumnY(_leftRole.getColumnMap().getPrimaryKey());
     *  int rightY;
     *  if (!_leftRole.getRelation().isMany2Many()) {
     *  rightY = _rightTable.getY() + _rightTable.getColumnY(_leftRole.getColumnMap().getForeignKey());
     *  }
     *  else {
     *  rightY = _rightTable.getY() + _rightTable.getColumnY(_rightRole.getColumnMap().getPrimaryKey());
     *  }
     */
    int leftY = _leftTable.getY() + _leftColumnY;
    int rightY = _rightTable.getY() + _rightColumnY;

    // find out which table is farthest west (and east)
    JTablePanel westTable;
    JTablePanel eastTable;
    int westY;
    int eastY;
    Line2D.Float[] westLines;
    Line2D.Float[] eastLines;
    int[] westEdgeY;
    int[] eastEdgeY;

    _leftIsWest = _leftTable.getX() < _rightTable.getX();

    if (_leftIsWest) {
      westTable = _leftTable;
      eastTable = _rightTable;
      westY = leftY;
      eastY = rightY;
      westLines = _leftLines;
      eastLines = _rightLines;
      westEdgeY = _leftEdgeY;
      eastEdgeY = _rightEdgeY;
    } else {
      westTable = _rightTable;
      eastTable = _leftTable;
      westY = rightY;
      eastY = leftY;
      westLines = _rightLines;
      eastLines = _leftLines;
      westEdgeY = _rightEdgeY;
      eastEdgeY = _leftEdgeY;
    }

    // find out whether the tables are more or less vertically aligned
    boolean aligned = (eastTable.getX() - westTable.getX()) < eastTable.getWidth() / 2;
    // TODO: handle different widths

    int westX;
    if (aligned) {
      westX = westTable.getX() - 10;
      for (int i = 0; i < westEdgeY.length; i++) {
        westLines[i].setLine(westX, westY, westTable.getX(), westEdgeY[i] + westTable.getY());
      }
    } else {
      westX = westTable.getX() + westTable.getWidth() + 10;
      for (int i = 0; i < westEdgeY.length; i++) {
        westLines[i].setLine(
            westX, westY, westTable.getX() + westTable.getWidth(), westEdgeY[i] + westTable.getY());
      }
    }
    int eastX = eastTable.getX() - 10;

    for (int i = 0; i < eastEdgeY.length; i++) {
      eastLines[i].setLine(eastX, eastY, eastTable.getX(), eastEdgeY[i] + eastTable.getY());
    }

    _mainLine.setLine(westX, westY, eastX, eastY);

    setCardinalityPoints();
  }
示例#11
0
  @Override
  public void draw(GameState state, Graphics2D gr, Scene scene) {
    float radius = 200.0f;

    Vec2 upper = new Vec2(fov.x, fov.y);
    Vec2 lower = new Vec2(fov.x, -fov.y);

    Vec2 upperRotated = upper.rotate(direction);
    Vec2 lowerRotated = lower.rotate(direction);

    /*
    Vec2 towards = target.sub( origin );
    float ut = upperRotated.cross( towards );
    float lt = lowerRotated.cross( towards );

    boolean view = (ut <= 0 && lt >= 0 ) || (fov.x < 0.0f && ((ut >= 0 && lt >= 0) || (ut <= 0 && lt <= 0)));

    boolean circleInView = SteerMath.isCircleInView( origin, direction, fov, circlePos, circleRadius, circleEntirely );
    */

    gr.setColor(Color.orange);
    line.setLine(
        origin.x, origin.y, origin.x + upperRotated.x * radius, origin.y + upperRotated.y * radius);
    gr.draw(line);
    line.setLine(
        origin.x, origin.y, origin.x + lowerRotated.x * radius, origin.y + lowerRotated.y * radius);
    gr.draw(line);

    drawCircle(gr, upperRotated.mul(radius).addi(origin), 5, Color.orange);
    drawCircle(gr, direction.mul(radius).addi(origin), 5, Color.gray);
    drawCircle(gr, origin, 5, Color.white);
    drawCircle(gr, target, 5, Color.red);
    drawCircle(gr, circlePos, circleRadius, Color.yellow);

    /*
    gr.drawString( String.format( "fov: {%.2f,%.2f}", fov.x, fov.y ), 2, 12 );
    gr.drawString( String.format( "origin.distanceSq(target): %.2f", origin.distanceSq( target ) ), 2, 24 );
    gr.drawString( String.format( "direction.dot(towards): %.2f", direction.dot(towards) ), 2, 36 );
    gr.drawString( String.format( "in view: %s", view ), 2, 48 );
    gr.drawString( String.format( "upperRotated.cross( towards ): %.2f", upperRotated.cross( towards ) ), 2, 60 );
    gr.drawString( String.format( "lowerRotated.cross( towards ): %.2f", lowerRotated.cross( towards ) ), 2, 72 );
    gr.drawString( String.format( "isCircleInView(entirely=%s): %s", circleEntirely, circleInView ), 2, 84 );
    */

    Vec2 _V = circlePos.sub(origin);
    double _a = _V.dot(direction); // how far along the direction the sphere's center is
    double _b = _a * Math.tan(fovAngle); // radius of the cone at _a
    double _c =
        Math.sqrt(_V.lengthSq() - _a * _a); // distance from center of sphere to axis of the cone
    double _d = _c - _b; // distance from center of sphere to the surface of the cone
    double _e =
        _d
            * Math.cos(
                fovAngle); // shortest distance from center of the sphere to the surface of the cone

    boolean _inview = false;

    if (_e >= circleRadius) {
      // cull
    } else if (_e <= -circleRadius) {
      // totally
      _inview = true;
    } else {
      // partially
      if (!circleEntirely) {
        _inview = true;
      }
    }

    Vec2 farAlong =
        SteerMath.closest(origin, direction.mul(radius).addi(origin), circlePos, new Vec2());
    line.setLine(origin.x, origin.y, farAlong.x, farAlong.y);
    gr.draw(line);
    line.setLine(
        farAlong.x + direction.y * _a,
        farAlong.y - direction.x * _a,
        farAlong.x - direction.y * _a,
        farAlong.y + direction.x * _a);
    gr.draw(line);
    line.setLine(farAlong.x, farAlong.y, circlePos.x, circlePos.y);
    gr.setColor(Color.blue);
    gr.draw(line);

    int textY = 0;
    gr.setColor(Color.white);
    gr.drawString(
        String.format("how far along: %.2f (expected=%.2f)", _a, farAlong.distance(origin)),
        2,
        textY += 12);
    gr.drawString(String.format("radius of cone: %.2f", _b), 2, textY += 12);
    gr.drawString(
        String.format(
            "circle->axis of cone: %.2f (expected=%.2f)", _c, farAlong.distance(circlePos)),
        2,
        textY += 12);
    gr.drawString(String.format("circle->surface of cone: %.2f", _d), 2, textY += 12);
    gr.drawString(String.format("shortest distance: %.2f", _e), 2, textY += 12);
    gr.drawString(
        String.format("inview(entirely=%s): %s", circleEntirely, _inview), 2, textY += 12);
    gr.drawString(
        String.format(
            "fov: {%.2f,%.2f}: %.2f (%.2f)", fov.x, fov.y, fovAngle, Math.toDegrees(fovAngle)),
        2,
        textY += 12);
    gr.drawString(
        String.format(
            "isCircleInView: %s",
            SteerMath.isCircleInView(
                origin,
                direction,
                Math.tan(fovAngle),
                Math.cos(fovAngle),
                circlePos,
                circleRadius,
                circleEntirely)),
        2,
        textY += 12);
  }
示例#12
0
  public void drawLUT(Graphics2D g2, Rectangle bound, float midfontHeight) {
    ByteLut lut = (ByteLut) view2DPane.getActionValue(ActionW.LUT.cmd());
    if (lut != null && bound.height > 350) {

      if (lut.getLutTable() == null) {
        lut = ByteLut.grayLUT;
      }
      byte[][] table =
          (Boolean) view2DPane.getActionValue(ActionW.INVERSELUT.cmd())
              ? lut.getInvertedLutTable()
              : lut.getLutTable();
      float length = table[0].length;
      float x = bound.width - 30f;
      float y = bound.height / 2f - length / 2f;

      g2.setPaint(Color.black);
      Rectangle2D.Float rect = new Rectangle2D.Float(x - 11f, y - 2f, 12f, 2f);
      g2.draw(rect);
      int separation = 4;
      float step = length / separation;
      for (int i = 1; i < separation; i++) {
        float posY = y + i * step;
        rect.setRect(x - 6f, posY - 1f, 7f, 2f);
        g2.draw(rect);
      }
      rect.setRect(x - 11f, y + length, 12f, 2f);
      g2.draw(rect);
      rect.setRect(x - 2f, y - 2f, 23f, length + 4f);
      g2.draw(rect);

      g2.setPaint(Color.white);
      Line2D.Float line = new Line2D.Float(x - 10f, y - 1f, x - 1f, y - 1f);
      g2.draw(line);
      float stepWindow = (Float) view2DPane.getActionValue(ActionW.WINDOW.cmd()) / separation;
      float firstlevel = (Float) view2DPane.getActionValue(ActionW.LEVEL.cmd()) - stepWindow * 2f;
      String str = "" + (int) firstlevel; // $NON-NLS-1$
      GraphicLabel.paintFontOutline(
          g2, str, x - g2.getFontMetrics().stringWidth(str) - 12f, y + midfontHeight);
      for (int i = 1; i < separation; i++) {
        float posY = y + i * step;
        line.setLine(x - 5f, posY, x - 1f, posY);
        g2.draw(line);
        str = "" + (int) (firstlevel + i * stepWindow); // $NON-NLS-1$
        GraphicLabel.paintFontOutline(
            g2, str, x - g2.getFontMetrics().stringWidth(str) - 7, posY + midfontHeight);
      }

      line.setLine(x - 10f, y + length + 1f, x - 1f, y + length + 1f);
      g2.draw(line);
      str = "" + (int) (firstlevel + 4 * stepWindow); // $NON-NLS-1$
      GraphicLabel.paintFontOutline(
          g2, str, x - g2.getFontMetrics().stringWidth(str) - 12, y + length + midfontHeight);
      rect.setRect(x - 1f, y - 1f, 21f, length + 2f);
      g2.draw(rect);

      for (int k = 0; k < length; k++) {
        g2.setPaint(new Color(table[0][k] & 0xff, table[1][k] & 0xff, table[2][k] & 0xff));
        rect.setRect(x, y + k, 19f, 1f);
        g2.draw(rect);
      }
    }
  }
示例#13
0
 public void line(float x1, float y1, float x2, float y2) {
   line.setLine(x1, y1, x2, y2);
   strokeShape(line);
 }