public void test110_ZoomShift() {
// final double s = 1.0 / RockLocationDisplayBase.SCALE;
final double[] flat = new double[6];
final Point2D dst = new Point2D.Double();
final Point2D src = new Point2D.Double();
final AffineTransform mat = new AffineTransform();
final Rectangle2D wc = new Rectangle2D.Double(1, 2, 3, 4);
Rectangle dc = new Rectangle(-1, -2, 3, 4);
final Point2D fix = new Point2D.Double(1, 2);
ZoomerFixPoint zom = new ZoomerFixPoint("1:1", wc, fix);
mat.setToIdentity();
zom.computeWc2Dc(dc, Orientation.N, true, false, mat);
mat.getMatrix(flat);
assertEquals("", -0.0010, flat[0], 1e-9);
assertEquals("", 0, flat[1], 1e-9);
assertEquals("", 0, flat[2], 1e-9);
assertEquals("", -0.0010, flat[3], 1e-9);
assertEquals("", 1.0, flat[4], 1e-9);
assertEquals("", 6, flat[5], 1e-9);
src.setLocation(fix);
mat.transform(src, dst);
assertEquals(new Point2D.Double(0.999, 5.998), dst);
src.setLocation(3, 4);
mat.transform(src, dst);
assertEquals(new Point2D.Double(0.997, 5.996), dst);
}
/**
* Moves a Steiner Point towards the furthest neighbor
*
* @param source
* @param target
*/
private void moveTowards(Point source, Point target) {
Point2D s = new Point2D.Double();
Point2D t = new Point2D.Double();
Point2D previousLocation = new Point2D.Double();
s.setLocation(source.x, source.y);
previousLocation.setLocation(source.x, source.y);
t.setLocation(target.x, target.y);
// in each step move 1 unit forward towards the target
double step_size = 1;
// previous PCR : Stop moving when previousPCR is better than current one.
double previousPCR = source.getPCR();
int distance =
(int) Math.floor(GraphUtils.euclideanDistance(source.x, source.y, target.x, target.y));
for (int i = 0; i < distance; i += step_size) {
Point2D currentLocation =
GraphUtils.getCoordinates(source.x, source.y, target.x, target.y, step_size);
source.x = currentLocation.getX();
source.y = currentLocation.getY();
double currentPCR = source.getPCR();
if (currentPCR < previousPCR) {
previousPCR = currentPCR;
previousLocation = currentLocation;
} else {
// move backwards
source.x = previousLocation.getX();
source.y = previousLocation.getY();
}
}
}
public void run(double frac) {
System.err.println("auto-centering" + frac);
if (frac == 0.0) {
int xbias = 0, ybias = 0;
switch (m_orientation) {
case Constants.ORIENT_LEFT_RIGHT:
xbias = m_bias;
break;
case Constants.ORIENT_RIGHT_LEFT:
xbias = -m_bias;
break;
case Constants.ORIENT_TOP_BOTTOM:
ybias = m_bias;
break;
case Constants.ORIENT_BOTTOM_TOP:
ybias = -m_bias;
break;
}
Rectangle2D vb = m_vis.getBounds(TREE);
m_cur.setLocation(getWidth() / 2, getHeight() / 2);
getAbsoluteCoordinate(m_cur, m_start);
m_end.setLocation(vb.getX() + xbias, vb.getY() + ybias);
} else {
m_cur.setLocation(
m_start.getX() + frac * (m_end.getX() - m_start.getX()),
m_start.getY() + frac * (m_end.getY() - m_start.getY()));
panToAbs(m_cur);
}
}
private PBounds addNode(HierarchyNodeView from, HierarchyNodeView toNode, boolean addChildren) {
PBounds bounds = toNode.node.getBounds();
final PSWTPath path = new PSWTPath();
Point2D to = toNode.node.getCenter();
Point2D fromP = from.node.getCenter();
if (!addChildren) {
fromP.setLocation(fromP.getX(), fromP.getY() - (from.node.getHeight() / 2.0));
to.setLocation(to.getX(), to.getY() + (toNode.node.getHeight() / 2.0));
} else {
fromP.setLocation(fromP.getX(), fromP.getY() + (from.node.getHeight() / 2.0));
to.setLocation(to.getX(), to.getY() - (toNode.node.getHeight() / 2.0));
}
path.setPathToPolyline(new Point2D[] {fromP, to});
getLayer().addChild(path);
path.moveToBack();
path.addInputEventListener(
new PBasicInputEventHandler() {
@Override
public void mouseEntered(PInputEvent event) {
path.setStrokeColor(Color.LIGHT_GRAY);
}
@Override
public void mouseExited(PInputEvent event) {
path.setStrokeColor(Color.BLACK);
}
});
return bounds;
}
public static void main(String[] args) {
Scanner scanRadius = new Scanner(System.in);
Scanner scanCenter = new Scanner(System.in);
Point2D centerA = new Point2D.Double();
Point2D centerB = new Point2D.Double();
double x, y, radiusA = 0, radiusB = 0;
for (char i = 'A'; i <= 'B'; i++) {
System.out.print("\nCircle " + i);
System.out.print("\nEnter center cordinates:" + "\n(x): ");
x = scanCenter.nextDouble();
System.out.print("(y): ");
y = scanCenter.nextDouble();
System.out.print("Enter radius: ");
if (i == 'A') {
radiusA = scanCenter.nextDouble();
centerA.setLocation(x, y);
} else if (i == 'B') {
radiusB = scanCenter.nextDouble();
centerB.setLocation(x, y);
}
}
scanRadius.close();
scanCenter.close();
double distance = distance(centerA, centerB);
if (distance == (radiusA + radiusB)) System.out.println("\nThe two circles are touching");
else if ((distance < Math.abs(radiusA - radiusB)))
System.out.println("\nOne circle encloses another");
else if (distance < (radiusA + radiusB)) System.out.println("\nThe two circles overlap");
else if (distance > (radiusA + radiusB)) System.out.println("\nThe two circles are separate");
}
public void run(double frac) {
TupleSet ts = m_vis.getFocusGroup(Visualization.FOCUS_ITEMS);
// System.err.println("auto-panning"+frac);
if (ts.getTupleCount() == 0) return;
if (frac == 0.0) {
int xbias = 0, ybias = 0;
switch (m_orientation) {
case Constants.ORIENT_LEFT_RIGHT:
xbias = m_bias;
break;
case Constants.ORIENT_RIGHT_LEFT:
xbias = -m_bias;
break;
case Constants.ORIENT_TOP_BOTTOM:
ybias = m_bias;
break;
case Constants.ORIENT_BOTTOM_TOP:
ybias = -m_bias;
break;
}
VisualItem vi = (VisualItem) ts.tuples().next();
m_cur.setLocation(getWidth() / 2, getHeight() / 2);
getAbsoluteCoordinate(m_cur, m_start);
m_end.setLocation(vi.getX() + xbias, vi.getY() + ybias);
} else {
m_cur.setLocation(
m_start.getX() + frac * (m_end.getX() - m_start.getX()),
m_start.getY() + frac * (m_end.getY() - m_start.getY()));
panToAbs(m_cur);
}
}
protected int adjustEndingPointByMultipleEdge(EdgeItem e, Point2D start, Point2D end) {
int edgeIndex = getEdgeIndex(e);
if (edgeIndex < 0) {
return edgeIndex;
}
m_edgeTrans.setToTranslation(end.getX(), end.getY());
m_edgeTrans.rotate(-HALF_PI + Math.atan2(end.getY() - start.getY(), end.getX() - start.getX()));
if (edgeIndex % 2 == 1) {
end.setLocation(4 + edgeIndex, 0);
} else {
end.setLocation(-4 - (edgeIndex - 1), 0);
}
m_edgeTrans.transform(end, end);
return edgeIndex;
}
public void setPositionXY(int[] positionRad) {
Vector<Point2D> points = new Vector<Point2D>();
for (int laser = (0 + degreesToHide); laser <= (539 - degreesToHide); laser++) {
Point2D point = new Point();
int invertedLaser = 541 - 2 - laser;
point.setLocation(
positionRad[invertedLaser] * Math.cos(invertedLaser * 0.00872664626 + ANGLE_DEPART),
positionRad[invertedLaser] * Math.sin(invertedLaser * 0.00872664626 + ANGLE_DEPART));
if (point.getX() == 0 && point.getY() == 0) {
point.setLocation(10000, 10000);
}
points.add(point);
}
positionXY = points;
}
protected Point2D constrainCtrlPoint(int index, int side, Point2D ctrl) {
if ((index == 0 && side == RIGHT_CONTROLPOINT && startFigure() != null)
|| (index == segments.size() && side == LEFT_CONTROLPOINT && endFigure() != null)) {
// we are constraining the start-controlPoint
Point2D start = getPointAt(index);
Point2D end = getPointAt(index == 0 ? 1 : segments.size() - 1);
double xdiff = start.getX() - end.getX();
xdiff *= xdiff;
double ydiff = start.getY() - end.getY();
ydiff *= ydiff;
double distance = Math.sqrt(xdiff + ydiff);
Orientation orientation;
if (index == 0) {
distance *= getStartFactor();
orientation = ((TagConnector) getStartConnector()).getOrientation();
} else {
distance *= getEndFactor();
orientation = ((TagConnector) getEndConnector()).getOrientation();
}
switch (orientation) {
case TOP:
distance = -distance;
// Fall through
case BOTTOM:
ctrl.setLocation(start.getX(), start.getY() + distance);
break;
case LEFT:
distance = -distance;
// Fall through
case RIGHT:
ctrl.setLocation(start.getX() + distance, start.getY());
break;
}
}
return ctrl;
}
/**
* Function to check if a direction and frame intersects
*
* @param direction
* @param frame
* @return
*/
public boolean intersects(Line2D direction, Line2D frame) {
double d =
(frame.getY2() - frame.getY1()) * (direction.getX2() - direction.getX1())
- (frame.getX2() - frame.getX1()) * (direction.getY2() - direction.getY1());
double n_a =
(frame.getX2() - frame.getX1()) * (direction.getY1() - frame.getY1())
- (frame.getY2() - frame.getY1()) * (direction.getX1() - frame.getX1());
double n_b =
(direction.getX2() - direction.getX1()) * (direction.getY1() - frame.getY1())
- (direction.getY2() - direction.getY1()) * (direction.getX1() - frame.getX1());
if (d == 0) return false;
double ua = n_a / d;
double ub = n_b / d;
if (ua >= 0d && ua <= 1d && ub >= 0d && ub <= 1d) {
intersection = new Point2D.Double();
intersection.setLocation(
direction.getX1() + (ua * (direction.getX2() - direction.getX1())),
direction.getY1() + (ua * (direction.getY2() - direction.getY1())));
return true;
}
return false;
}
public Point2D getPoint2D(Point2D srcPt, Point2D dstPt) {
if (dstPt == null) {
dstPt = new Point2D.Double();
}
dstPt.setLocation(srcPt.getX(), srcPt.getY());
return dstPt;
}
private static Point2D vectorToLocation(
double angle, double length, Point2D sourceLocation, Point2D targetLocation) {
targetLocation.setLocation(
sourceLocation.getX() + Math.sin(angle) * length,
sourceLocation.getY() + Math.cos(angle) * length);
return targetLocation;
}
public void mouseMoved(MouseEvent e) {
// check if the mouse is over something hot:
// - a speed handle
// - a rock
tmp.setLocation(e.getX(), e.getY());
panel.findHotDc(tmp, hot);
}
/**
* Inverse transform from projected coordinates to latitude/longitude in radians.
*
* @see
* org.geotools.referencing.operation.projection.MapProjection#inverseTransformNormalized(double,
* double, java.awt.geom.Point2D)
*/
@Override
protected Point2D inverseTransformNormalized(double x, double y, Point2D ptDst)
throws ProjectionException {
double lambda = 0;
double phi = 0;
double c = hypot(x, y);
if (c < EPS10) {
phi = latitudeOfOrigin;
lambda = 0;
} else {
if (mode == Mode.OBLIQUE || mode == Mode.EQUATORIAL) {
double x2 = x * semiMajor;
double y2 = y * semiMajor;
double azi1 = atan2(x2, y2);
double s12 = sqrt(x2 * x2 + y2 * y2);
GeodesicData g =
geodesic.Direct(
toDegrees(latitudeOfOrigin), toDegrees(centralMeridian), toDegrees(azi1), s12);
phi = toRadians(g.lat2);
lambda = toRadians(g.lon2);
lambda -= centralMeridian;
} else { // Polar
phi = inv_mlfn((mode == Mode.NORTH_POLAR) ? (Mp - c) : (Mp + c));
lambda = atan2(x, (mode == Mode.NORTH_POLAR) ? -y : y);
}
}
if (ptDst == null) {
return new Point2D.Double(lambda, phi);
} else {
ptDst.setLocation(lambda, phi);
return ptDst;
}
}
/**
* Forward project a point. If the point is not within the viewable hemisphere, return flags in
* AzimuthVar variable if specified.
*
* @param phi double latitude in radians
* @param lambda double longitude in radians
* @param p Point2D
* @param azVar AzimuthVar or null
* @return Point2D pt
*/
protected Point2D _forward(double phi, double lambda, Point2D p, AzimuthVar azVar) {
double c = hemisphere_distance(centerY, centerX, phi, lambda);
// normalize invalid point to the edge of the sphere
if (c > HEMISPHERE_EDGE) {
double az = GreatCircle.sphericalAzimuth(centerY, centerX, phi, lambda);
if (azVar != null) {
azVar.invalid_forward = true; // set the invalid
// flag
azVar.current_azimuth = (float) az; // record azimuth
// of this
// point
}
return edge_point(p, az);
}
double kPrime = 1 / Math.cos(c);
double cosPhi = Math.cos(phi);
double sinPhi = Math.sin(phi);
double lambdaMinusCtrLon = lambda - centerX;
double cosLambdaMinusCtrLon = Math.cos(lambdaMinusCtrLon);
double sinLambdaMinusCtrLon = Math.sin(lambdaMinusCtrLon);
double x = (scaled_radius * kPrime * cosPhi * sinLambdaMinusCtrLon) + wx;
double y =
hy
- (scaled_radius
* kPrime
* (cosCtrLat * sinPhi - sinCtrLat * cosPhi * cosLambdaMinusCtrLon));
p.setLocation(x, y);
return p;
}
protected void makeSawtooth() {
// TODO Auto-generated method stub
// 规定一个取点间隙
for (int i = 0; i < sawtooth.size(); i++) {
Point2D point = sawtooth.get(i);
point.setLocation(point.getX() + vx[0], point.getY() + vy[0]);
}
try {
int x =
(int) pointList.get(sawtoothIndex).getX()
- (int) pointList.get(sawtoothIndex + grap).getX();
int y =
(int) pointList.get(sawtoothIndex).getY()
- (int) pointList.get(sawtoothIndex + grap).getY();
double rate = Math.random() / 2;
int formerX = (int) pointList.get(sawtoothIndex + grap / 2).getX();
int formerY = (int) pointList.get(sawtoothIndex + grap / 2).getY();
if ((sawtoothIndex % (2 * grap)) == 0) {
rate = -rate;
}
pointList.get(sawtoothIndex + grap / 2).setLocation(formerX + rate * y, formerY - rate * x);
sawtooth.add(pointList.get(sawtoothIndex));
sawtooth.add(pointList.get(sawtoothIndex + grap / 2));
sawtooth.add(pointList.get(sawtoothIndex + grap));
sawtoothIndex = sawtoothIndex + grap;
} catch (Exception ex) {
}
}
/**
* Rotates a two-dimensional vector by the angle alpha.
*
* @param p point
* @param alpha angle in radian
* @return q point rotated around origin
*/
public static Point2D rotate(Point2D p, double alpha) {
double sina = Math.sin(alpha);
double cosa = Math.cos(alpha);
Point2D q = new Point2D.Double();
q.setLocation(p.getX() * cosa - p.getY() * sina, p.getX() * sina + p.getY() * cosa);
return q;
}
/**
* Transforms the specified (<var>λ</var>,<var>φ</var>) coordinates (units in radians)
* and stores the result in {@code ptDst} (linear distance on a unit sphere).
*/
protected Point2D transformNormalized(double lam, double phi, final Point2D ptDst)
throws ProjectionException {
double c, d;
double x, y;
if ((d = acos(cos(phi) * cos(c = 0.5 * lam))) != 0) {
/* basic Aitoff */
x = 2. * d * cos(phi) * sin(c) * (y = 1. / sin(d));
y *= d * sin(phi);
} else {
x = y = 0;
}
if (mode == ProjectionMode.Winkel) {
x = (x + lam * cosphi1) * 0.5;
y = (y + phi) * 0.5;
}
if (ptDst != null) {
ptDst.setLocation(x, y);
return ptDst;
} else {
return new Point2D.Double(x, y);
}
}
private void expandLocationToInclude(Point2D pt) {
Point2D pt0 = getLocationPt(0);
Point2D pt2 = getLocationPt(2);
int leftmostPtIndex = (pt0.getX() < pt2.getX() ? 0 : 2);
int rightmostPtIndex = 2 - leftmostPtIndex;
int topmostPtIndex = (pt0.getY() < pt2.getY() ? 0 : 2);
int bottommostPtIndex = 2 - topmostPtIndex;
Point2D leftmostPt = getLocationPt(leftmostPtIndex);
Point2D rightmostPt = getLocationPt(rightmostPtIndex);
Point2D topmostPt;
Point2D bottommostPt;
if (topmostPtIndex == leftmostPtIndex) {
topmostPt = leftmostPt;
bottommostPt = rightmostPt;
} else {
topmostPt = rightmostPt;
bottommostPt = leftmostPt;
}
Location newLocation = new Location(getLocation());
boolean locationChanged = false;
if (pt.getX() < leftmostPt.getX()) {
leftmostPt.setLocation(pt.getX(), leftmostPt.getY());
newLocation.setPt(leftmostPtIndex, leftmostPt);
locationChanged = true;
}
if (pt.getX() > rightmostPt.getX()) {
rightmostPt.setLocation(pt.getX(), rightmostPt.getY());
newLocation.setPt(rightmostPtIndex, rightmostPt);
locationChanged = true;
}
if (pt.getY() < topmostPt.getY()) {
topmostPt.setLocation(topmostPt.getX(), pt.getY());
newLocation.setPt(topmostPtIndex, topmostPt);
locationChanged = true;
}
if (pt.getY() > bottommostPt.getY()) {
bottommostPt.setLocation(bottommostPt.getX(), pt.getY());
newLocation.setPt(bottommostPtIndex, bottommostPt);
locationChanged = true;
}
if (locationChanged) {
internalSetLocation(newLocation);
}
}
public void onScannedRobot(ScannedRobotEvent e) {
oldRobotLocation.setLocation(robotLocation);
robotLocation.setLocation(getX(), getY());
enemyAbsoluteBearing = getHeadingRadians() + e.getBearingRadians();
enemyDistance = e.getDistance();
oldEnemyLocation.setLocation(enemyLocation);
toLocation(enemyAbsoluteBearing, enemyDistance, robotLocation, enemyLocation);
deltaBearing =
Utils.normalRelativeAngle(
absoluteBearing(oldRobotLocation, enemyLocation)
- absoluteBearing(oldRobotLocation, oldEnemyLocation));
currentAimFactors =
aimFactors[aimDirectionSegment()][
Math.min(
(int) (enemyDistance / (getBattleFieldWidth() / DISTANCE_SEGMENTS)),
DISTANCE_SEGMENTS - 1)][
Math.min(
(int) (enemyLocation.getY() / (getBattleFieldHeight() / VERTICAL_SEGMENTS)),
VERTICAL_SEGMENTS - 1)];
setTurnGunRightRadians(
Utils.normalRelativeAngle(
enemyAbsoluteBearing
+ maxEnemyBearing * sign(deltaBearing) * mostVisitedFactor()
- getGunHeadingRadians()));
if (getEnergy() > 3.1) {
Bullet bullet = setFireBullet(3);
if (bullet != null) {
Wave wave = new Wave();
wave.wTime = getTime();
wave.bearingDelta = deltaBearing;
wave.oldRLocation.setLocation(robotLocation);
wave.oldELocation.setLocation(enemyLocation);
wave.wAimFactors = currentAimFactors;
addCustomEvent(wave);
}
}
setAhead(getY() > enemyLocation.getY() ? -50 : 50);
setTurnRadarRightRadians(
Utils.normalRelativeAngle(enemyAbsoluteBearing - getRadarHeadingRadians()) * 2);
}
private void insertConnectionPointToNode(Connection c, int outcode, int index) {
Point2D newpoint = new Point2D.Double();
Point2D segmentPoint = getConnection().getPoints().get(index);
if (outcode == Rectangle2D.OUT_BOTTOM) {
newpoint.setLocation(segmentPoint.getX(), c.getAbsoluteY2());
addEditPoint(index, newpoint);
} else if (outcode == Rectangle2D.OUT_TOP) {
newpoint.setLocation(segmentPoint.getX(), c.getAbsoluteY1());
addEditPoint(index, newpoint);
} else if (outcode == Rectangle2D.OUT_LEFT) {
newpoint.setLocation(c.getAbsoluteX1(), segmentPoint.getY());
addEditPoint(index, newpoint);
} else if (outcode == Rectangle2D.OUT_RIGHT) {
newpoint.setLocation(c.getAbsoluteX2(), segmentPoint.getY());
addEditPoint(index, newpoint);
}
}
private static MeshCoords transformSector(AffineTransform transform, Sector sector) {
java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double();
java.awt.geom.Point2D ll = new java.awt.geom.Point2D.Double();
java.awt.geom.Point2D ur = new java.awt.geom.Point2D.Double();
p.setLocation(sector.getMinLongitude().degrees, sector.getMinLatitude().degrees);
transform.transform(p, ll);
p.setLocation(sector.getMaxLongitude().degrees, sector.getMaxLatitude().degrees);
transform.transform(p, ur);
return new MeshCoords(
(float) ur.getY(), // Top
(float) ll.getX(), // Left
(float) ll.getY(), // Bottom
(float) ur.getX()); // Right
}
@Override
public Point2D calculate(Point2D point) {
double x = point.getX();
double y = point.getY();
double r = Math.sqrt(x * x + y * y) + 0.000001;
double t = Math.atan2(x, y);
point.setLocation(Math.sin(t) / r * _coefficient, r * Math.cos(t) * _coefficient);
return point;
}
public DiagramElement(DiagramElement element) {
this.stroke = element.stroke;
this.paint = element.paint;
this.size = element.size;
position.setLocation(
position.getX() - size.getWidth() / 2, position.getY() - size.getHeight() / 2);
this.position = element.position;
this.scale = 1;
this.rotation = 0;
}
@Override
public Point2D calculate(Point2D point) {
double x = point.getX();
double y = point.getY();
double r = Math.sqrt(x * x + y * y);
double t = Math.atan2(x, y);
double pot = Math.pow(r, Math.sin(t));
point.setLocation(pot * Math.cos(t) * _coefficient, pot * Math.sin(t) * _coefficient);
return point;
}
public DiagramElement(Point2D position, Dimension size, Stroke stroke, Paint paint) {
setStroke(stroke);
this.paint = paint;
this.size = size;
position.setLocation(
position.getX() - size.getWidth() / 2, position.getY() - size.getHeight() / 2);
this.position = position;
this.scale = 1;
this.rotation = 0;
}
@Override
public Point2D calculate(Point2D point) {
double x = point.getX();
double y = point.getY();
double r = Math.sqrt(x * x + y * y);
double p = _parameters.get(0) * _parameters.get(0) + 0.000001;
double theta = Math.atan2(x, y);
double t = r - 2 * p * Math.floor((r + p) / 2 * p) + r * (1 - p);
point.setLocation(t * Math.sin(theta) * _coefficient, t * Math.cos(theta) * _coefficient);
return point;
}
private void traceBallPath() {
int abort = leftSide ? HEADING_LEFT : HEADING_RIGHT;
// if(false)
// fakeBall.ballVelX*paddle.direction>0 &&
int cycles = 0;
while (heading != abort) {
if (++cycles > 100) {
// System.out.println( this.getClass().getName() + ": to manny cycles, something went
// wrong\n prevent infinite loop ...");
break;
}
remainingTime = Float.MAX_VALUE;
boolean positiveX = Math.cos(fakeBall.heading) > 0;
boolean positiveY = Math.sin(fakeBall.heading) > 0;
Vector3D path =
Vector3D.crossProduct(
new Vector3D(fakeBall.x, fakeBall.y, 1),
new Vector3D(
fakeBall.x + Math.cos(fakeBall.heading),
fakeBall.y + Math.sin(fakeBall.heading),
1));
if (positiveX) {
if (acceptIfCloser(path, right)) {
heading = HEADING_RIGHT;
}
} else {
if (acceptIfCloser(path, left)) {
heading = HEADING_LEFT;
}
}
if (positiveY) {
if (acceptIfCloser(path, bottom)) {
heading = HEADING_BOTTOM;
}
} else {
if (acceptIfCloser(path, top)) {
heading = HEADING_TOP;
}
}
if (heading == HEADING_TOP || heading == HEADING_BOTTOM) fakeBall.horizontalBounce();
else if (heading == HEADING_LEFT || heading == HEADING_RIGHT) fakeBall.verticalBounce();
else break;
fakeBall.x = (float) hitPoint.getX();
fakeBall.y = (float) hitPoint.getY();
}
requiredPaddlePos.setLocation(fakeBall.x, fakeBall.y);
}
/**
* Computes the source point corresponding to the supplied point.
*
* @param destPt the position in destination image coordinates to map to source image coordinates.
* @return a <code>Point2D</code> of the same class as <code>destPt</code>.
* @throws IllegalArgumentException if <code>destPt</code> is <code>null</code>.
* @since JAI 1.1.2
*/
public Point2D mapDestPoint(Point2D destPt) {
if (destPt == null) {
throw new IllegalArgumentException(JaiI18N.getString("Generic0"));
}
Point2D pt = (Point2D) destPt.clone();
pt.setLocation(destPt.getX() * 4.0, destPt.getY() * 4.0);
return pt;
}
/**
* Computes the destination point corresponding to the supplied point.
*
* @param sourcePt the position in source image coordinates to map to destination image
* coordinates.
* @return a <code>Point2D</code> of the same class as <code>sourcePt</code>.
* @throws IllegalArgumentException if <code>sourcePt</code> is <code>null</code>.
* @since JAI 1.1.2
*/
public Point2D mapSourcePoint(Point2D sourcePt) {
if (sourcePt == null) {
throw new IllegalArgumentException(JaiI18N.getString("Generic0"));
}
Point2D pt = (Point2D) sourcePt.clone();
pt.setLocation(sourcePt.getX() / 4.0, sourcePt.getY() / 4.0);
return pt;
}