/**
* Builds the circular shape and returns the result as an array of <code>Area</code>. Each <code>
* Area</code> is one of the bars composing the shape.
*/
private Area[] buildTicker() {
width = this.getPreferredSize().getWidth();
height = this.getPreferredSize().getHeight();
Area[] ticker = new Area[barsCount];
Point2D.Double center = new Point2D.Double((double) width / 2, (double) height / 2);
double fixedAngle = 2.0 * Math.PI / ((double) barsCount);
for (double i = 0.0; i < (double) barsCount; i++) {
Area primitive = buildPrimitive();
AffineTransform toCenter = AffineTransform.getTranslateInstance(center.getX(), center.getY());
AffineTransform toBorder = AffineTransform.getTranslateInstance(45.0 / 8, -6.0 / 8);
AffineTransform toCircle =
AffineTransform.getRotateInstance(-i * fixedAngle, center.getX(), center.getY());
AffineTransform toWheel = new AffineTransform();
toWheel.concatenate(toCenter);
toWheel.concatenate(toBorder);
primitive.transform(toWheel);
primitive.transform(toCircle);
ticker[(int) i] = primitive;
}
return ticker;
}
/**
* Fits screen to specified geometry bounds.
*
* @param aArea A geometry in geo coordinates space.
* @throws Exception
*/
public void fit(Geometry aArea) throws Exception {
Geometry bounds = aArea.getBoundary();
Envelope envBounds = bounds.getEnvelopeInternal();
Point2D.Double leftUpCorner = new Point2D.Double(envBounds.getMinX(), envBounds.getMinY());
Point2D.Double rightBottomCorner = new Point2D.Double(envBounds.getMaxX(), envBounds.getMaxY());
Point2D.Double cartlu = geo2Cartesian(leftUpCorner);
Point2D.Double cartrb = geo2Cartesian(rightBottomCorner);
double destWidth = Math.abs(cartrb.getX() - cartlu.getX());
double destHeight = Math.abs(cartrb.getY() - cartlu.getY());
Coordinate centre =
new Coordinate((cartrb.getX() + cartlu.getX()) / 2, (cartrb.getY() + cartlu.getY()) / 2);
Dimension size = getSize();
Point2D.Double screenLT = awtScreen2Cartesian(new Point(0, 0));
Point2D.Double screenBR = awtScreen2Cartesian(new Point(size.width, size.height));
double srcWidth = screenBR.x - screenLT.x;
double srcHeight = screenBR.y - screenLT.y;
double sx = srcWidth / destWidth;
double sy = srcHeight / destHeight;
double coef = Math.min(sx, sy);
coef = snapScale(coef);
scaleView(coef, coef, false);
Point2D.Double projectedScreenCenter = screen2Cartesian(new Point(0, 0));
translateView(projectedScreenCenter.x - centre.x, projectedScreenCenter.y - centre.y, true);
repaint();
}
/**
* Constructs a plot image.
*
* @param image the actual image.
* @param text the image name.
* @param corner1 the 1st corner point.
* @param corner2 the 2nd corner point.
*/
public PlotImage(
final Image image,
final String text,
final Point2D.Double corner1,
final Point2D.Double corner2,
final Point2D.Double corner3,
final Point2D.Double corner4) {
super(ShapeType.IMAGE, text);
setImage(image);
setAnchorType(ImageAnchor.Center);
setFixedSize(false);
_points.add(new PlotPoint(corner1.getX(), corner1.getY(), 0));
_points.add(new PlotPoint(corner2.getX(), corner2.getY(), 0));
_points.add(new PlotPoint(corner3.getX(), corner3.getY(), 0));
_points.add(new PlotPoint(corner4.getX(), corner4.getY(), 0));
_xmin = Math.min(corner1.x, corner2.x);
_xmin = Math.min(corner3.x, _xmin);
_xmin = Math.min(corner4.x, _xmin);
_xmax = Math.max(corner1.x, corner2.x);
_xmax = Math.max(corner3.x, _xmax);
_xmax = Math.max(corner4.x, _xmax);
_ymin = Math.min(corner1.y, corner2.y);
_ymin = Math.min(corner3.y, _ymin);
_ymin = Math.min(corner4.y, _ymin);
_ymax = Math.max(corner1.y, corner2.y);
_ymax = Math.max(corner3.y, _ymax);
_ymax = Math.max(corner4.y, _ymax);
}
/** Checks if we are close to a wall and reverse the tank */
public double avoidWalls(Point2D.Double myPos) {
double reverse = 0;
if (myPos.getX() > 720 || myPos.getX() < 80 || myPos.getY() > 520 || myPos.getY() < 80) {
reverse = -1000;
}
return reverse;
}
/**
* Ajusts view point according to tiles grid offset. E.g. converts grid offset to view point
* offset. Clears grid offset. Doesn't clear any caches or repaint.
*
* @throws NoninvertibleTransformException
*/
protected void recalcViewPoint() throws NoninvertibleTransformException {
Point2D.Double screenCenterOnCartesian = screen2Cartesian(new Point(0, 0));
Point2D.Double screenViewpointOnCartesian = screen2Cartesian(new Point(-offset.x, -offset.y));
cartesian2Screen.translate(
screenViewpointOnCartesian.getX() - screenCenterOnCartesian.getX(),
screenViewpointOnCartesian.getY() - screenCenterOnCartesian.getY());
clearGridTranslating();
}
public static Point2D.Double pointBetween(Point2D.Double p, Point2D.Double p2, double pos) {
Point2D.Double n =
new Point2D.Double(
p.getX() * (1 - pos) + p2.getX() * (pos), p.getY() * (1 - pos) + p2.getY() * (pos));
return n;
}
/**
* Method to convert a Cartesian Point from a point in a normal GridMap, to a visual location on
* the display
*
* @param cartPos Cartesian point from the original map to convert
* @return Location given as a display point in the pane
*/
public Point2D.Double getVisualLoc(Point2D.Double pos) {
/* turn cartesian points into valid units by turning them into digits-multiply by 100
and by multiplying by the scale factor*/
int x = (int) (pos.getX() * 100 * scaleFactor);
int y = (int) (pos.getY() * 100 * scaleFactor);
// visual location is returned, relative to the display centre. x and y values are inverted so
// they are displayed correctly
return new Point2D.Double(displayCentre.getX() + x, displayCentre.getY() - y);
}
public class L_shape extends Shape {
static Point2D.Double center = new Point2D.Double(7, 0);
static Point2D.Double[] coords = {
(new Point2D.Double(center.getX() - 1, center.getY())),
(new Point2D.Double(center.getX(), center.getY())),
(new Point2D.Double(center.getX() + 1, center.getY())),
(new Point2D.Double(center.getX() - 1, center.getY() + 1))
};
static Color color = Color.orange;
int rotation = 0;
public L_shape() {
super(coords, color, false);
}
public void rotate() {
if (rotation == 0) {
if (super.blocks[0].canMove(1, -1)
&& super.blocks[2].canMove(-1, 1)
&& super.blocks[3].canMove(0, -2)) {
super.blocks[0].move(1, -1);
super.blocks[2].move(-1, 1);
super.blocks[3].move(0, -2);
}
rotation++;
} else if (rotation == 1) {
if (super.blocks[0].canMove(1, 1)
&& super.blocks[2].canMove(-1, -1)
&& super.blocks[3].canMove(2, 0)) {
super.blocks[0].move(1, 1);
super.blocks[2].move(-1, -1);
super.blocks[3].move(2, 0);
}
rotation++;
} else if (rotation == 2) {
if (super.blocks[0].canMove(-1, 1)
&& super.blocks[2].canMove(1, -1)
&& super.blocks[3].canMove(0, 2)) {
super.blocks[0].move(-1, 1);
super.blocks[2].move(1, -1);
super.blocks[3].move(0, 2);
}
rotation++;
} else if (rotation == 3) {
if (super.blocks[0].canMove(-1, -1)
&& super.blocks[2].canMove(1, 1)
&& super.blocks[3].canMove(-2, 0)) {
super.blocks[0].move(-1, -1);
super.blocks[2].move(1, 1);
super.blocks[3].move(-2, 0);
}
rotation = 0;
}
}
}
/**
* The mouse location changed during a drag, while this MapTool was the active tool.
*
* @param point The location of the mouse in world coordinates.
* @param evt The original event.
*/
@Override
public void updateDrag(Point2D.Double point, MouseEvent evt) {
// just in case we didn't get a mousePressed event
if (dragStartPos == null) {
dragStartPos = (Point2D.Double) point.clone();
} else {
double dx = dragStartPos.getX() - point.getX();
double dy = dragStartPos.getY() - point.getY();
mapComponent.offsetVisibleArea(dx, dy);
}
}
public static Shape makeStarDesign(int arms, Point center, double r_out, double r_in) {
double angle = Math.PI / arms;
GeneralPath path = new GeneralPath();
for (int i = 0; i < 2 * arms; i++) {
double r = (i & 1) == 0 ? r_out : r_in;
Point2D.Double p =
new Point2D.Double(
center.x + Math.cos(i * angle) * r, center.y + Math.sin(i * angle) * r);
if (i == 0) path.moveTo(p.getX(), p.getY());
else path.lineTo(p.getX(), p.getY());
}
path.closePath();
return path;
}
protected void updateMovement() {
Point2D.Double newLocation;
double acceleration = computeAcceleration();
speed += acceleration;
if ((speed > -1) && speed < 0) {
speed = 0;
} // just a cheat for stabilising the speed if it's close to 0
if (speed >= 0) {
tempOrientation = orientation;
newLocation = updateXY(orientation);
} else {
newLocation =
updateXY(
direction); // if speed is <0, that means the bunny is spinning and its direction is
// different from orientation
spin();
}
// to check if intersectig with something - be that bounds or components
newLocation = checkIntersects(newLocation);
// let the bunny rotate if it was trying to (i.e. if arrows were pressed)
rotate();
// give the new newLocation to the bunny
x = newLocation.getX();
y = newLocation.getY();
}
private synchronized void initBars() {
if (bars != null) {
return;
}
bars = new Area[BAR_COUNT];
final double fixedAngle = 2.0 * Math.PI / (double) bars.length;
for (int i = 0; i < bars.length; ++i) {
Area primitive = makeBar();
Point2D.Double center = new Point2D.Double((double) DIAMETER / 2, (double) DIAMETER / 2);
AffineTransform toCircle =
AffineTransform.getRotateInstance(
((double) -i) * fixedAngle, center.getX(), center.getY());
AffineTransform toBorder = AffineTransform.getTranslateInstance(45.0, -6.0);
AffineTransform toScale = AffineTransform.getScaleInstance(0.1, 0.1);
primitive.transform(toBorder);
primitive.transform(toCircle);
primitive.transform(toScale);
bars[i] = primitive;
}
}
public double getDistance(Vector<VivaeObject> objects) {
GeneralPath thisPath = new GeneralPath(this.getTransformedShape());
PathIntersection pi = new PathIntersection();
Point2D.Double[] points;
double dist = ray_length;
double nd;
for (VivaeObject vivaeObject : objects) {
if (vivaeObject != this.owner) {
GeneralPath gp = new GeneralPath(vivaeObject.getTransformedShape());
points = pi.getIntersections(thisPath, gp);
for (Point2D.Double point : points) {
nd = pi.euclideanDistance(point.getX(), point.getY(), owner.getX(), owner.getY());
if (nd < dist) {
dist = nd;
}
// System.out.println(dist);
}
}
}
opacity = Math.max((float) (1d - (dist / ray_length)), opacity);
opacityOfRay = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacity);
return 1d - (dist / ray_length);
}
@Override
public void zoomOutButtonHit() {
if (zoomLevel < 5) {
zoomLevel++;
double x = viewPoint.getX() + viewWidth / 2;
double y = viewPoint.getY() + viewWidth / 2;
viewWidth = viewWidth * 2;
x = x - viewWidth / 2;
y = y - viewWidth / 2;
if (x < 0) {
x = 0;
} else if (x + viewWidth > 2048) {
x = x - (x + viewWidth - 2048);
}
if (y < 0) {
y = 0;
} else if (y + viewWidth > 2048) {
y = y - (y + viewWidth - 2048);
}
viewPoint.setLocation(x, y);
setChanged();
notifyObservers();
}
}
public void zoomToGarminGeo(double factor, int longitude, int latitude) {
Point2D.Double mapCoord = new Point2D.Double();
COORD tempCoord = transformer.createTempCoord();
transformer.wgs84ToMap(
CoordUtils.toWGS84Rad(longitude), CoordUtils.toWGS84Rad(latitude), tempCoord, mapCoord);
zoom(factor, (int) mapCoord.getX(), (int) mapCoord.getY());
}
void calcPos(AffineTransform w2n) {
w2n.transform(worldPos, screenPos); // work in normalized coordinate space
bbPos.setRect(
screenPos.getX() + bb.getX(),
screenPos.getY() + bb.getY(),
bb.getWidth(),
bb.getHeight());
}
@Override
public void vScrollbarChanged(int value) {
if (value != viewPoint.getY()) {
viewPoint.setLocation(viewPoint.getX(), value);
setChanged();
notifyObservers();
}
}
public Rectangle getRectangle(final IModelSpaceCanvas canvas) {
Rectangle rect = _image.getBounds();
int w = rect.x;
int h = rect.y;
int numPoints = getPointCount();
if (numPoints == 1) {
ImageAnchor anchor = getAnchorType();
Point2D.Double m = new Point2D.Double(getPoint(0).getX(), getPoint(0).getY());
Point2D.Double p = new Point2D.Double(0, 0);
canvas.transformModelToPixel(getModelSpace(), m.getX(), m.getY(), p);
if (anchor.equals(ImageAnchor.Center)) {
rect = new Rectangle((int) (p.x - w / 2), (int) (p.y - h / 2), w, h);
} else if (anchor.equals(ImageAnchor.UpperLeft)) {
rect = new Rectangle((int) p.x, (int) p.y, w, h);
} else if (anchor.equals(ImageAnchor.UpperRight)) {
rect = new Rectangle((int) (p.x - w), (int) p.y, w, h);
} else if (anchor.equals(ImageAnchor.LowerLeft)) {
rect = new Rectangle((int) p.x, (int) (p.y - h), w, h);
} else if (anchor.equals(ImageAnchor.LowerRight)) {
rect = new Rectangle((int) (p.x - w), (int) (p.y - h), w, h);
} else {
throw new RuntimeException("Invalid image anchor: " + anchor);
}
} else if (numPoints >= 2) {
int xmin = Integer.MAX_VALUE;
int xmax = -Integer.MAX_VALUE;
int ymin = Integer.MAX_VALUE;
int ymax = -Integer.MAX_VALUE;
for (int i = 0; i < numPoints; i++) {
Point2D.Double m = new Point2D.Double(getPoint(i).getX(), getPoint(i).getY());
Point2D.Double p = new Point2D.Double(0, 0);
canvas.transformModelToPixel(getModelSpace(), m.getX(), m.getY(), p);
xmin = Math.min(xmin, (int) p.getX());
xmax = Math.max(xmax, (int) p.getX());
ymin = Math.min(ymin, (int) p.getY());
ymax = Math.max(ymax, (int) p.getY());
}
w = xmax - xmin + 1;
h = ymax - ymin + 1;
rect = new Rectangle(xmin, ymin, w, h);
} else {
throw new RuntimeException("Invalid image definition.");
}
return rect;
}
public boolean isInside(Point2D.Double point) {
double x = point.getX();
double y = point.getY();
if ((x < center.getX() + radius && x > center.getX() - radius)
&& (y < center.getY() + radius && y > center.getY() - radius)) {
return true;
}
return false;
}
public String toString() {
return getClass().getName()
+ "[label = "
+ label
+ ", point.getX() = "
+ point.getX()
+ ", point.getY() = "
+ point.getY()
+ "]";
}
@Override
public void mouseDragged(MouseEvent e, CS355Drawing model, Color c) {
// Get shape at saved index from model and verify it is a circle
Shape shape = model.getShape(this.index);
if (!(shape instanceof cs355.model.drawing.Circle)) {
GUIFunctions.printf(
"Invalid shape - expected cs355.model.drawing.Circle at index %d", this.index);
return;
}
// Cast the shape to a circle and save the new coordinates
Circle circle = (Circle) shape;
// Initialize new center coordinates to initial coordinates
Point2D.Double center = new Point2D.Double();
center.setLocation(this.initialCoordinates);
// Get current pointer coordinates
Point2D.Double currentCoordinates = new Point2D.Double();
currentCoordinates.setLocation(e.getPoint());
// Find difference between pointer and initial coordinates to get correct orientation
double xDifference = currentCoordinates.getX() - initialCoordinates.getX();
double yDifference = currentCoordinates.getY() - initialCoordinates.getY();
// Get radius
double radius = Math.min(Math.abs(xDifference), Math.abs(yDifference)) / 2.0;
// Get unit vectors for the differences to preserve sign
double xDirection = xDifference / Math.abs(xDifference);
double yDirection = yDifference / Math.abs(yDifference);
// Calculate position of the center of the circle
center.x = this.initialCoordinates.getX() + (xDirection * radius);
center.y = this.initialCoordinates.getY() + (yDirection * radius);
// Set the new parameters
circle.setCenter(center);
circle.setRadius(radius);
}
public static int closest(Point2D.Double[] BTS, Point2D.Double p) {
double[] dist = new double[BTS.length];
int min = 0;
for (int i = 0; i < BTS.length; i++) {
dist[i] = distanceSq(BTS[i].getX(), BTS[i].getY(), p.getX(), p.getY());
if (dist[i] < dist[min]) min = i;
}
// System.out.println(dist[min] + " " + min);
return min;
}
// Compute the distance from AB to C
private double lineToPointDistance2D(Point2D.Double pointC) {
Point2D.Double start = getStart();
Point2D.Double end = new Point2D.Double(getEnd().getX(), getEnd().getY());
// get the cross product
Point2D.Double AB = new Point2D.Double(end.getX() - start.getX(), end.getY() - start.getY());
Point2D.Double AC =
new Point2D.Double(pointC.getX() - start.getX(), pointC.getY() - start.getY());
double cross = AB.getX() * AC.getY() - AB.getY() * AC.getX();
double dist = cross / start.distance(end);
// check for endpoints
double dot1 = dotProduct(start, end, pointC);
if (dot1 > 0) {
return end.distance(pointC);
}
double dot2 = dotProduct(end, start, pointC);
if (dot2 > 0) {
return start.distance(pointC);
}
return Math.abs(dist);
}
public void run() {
Point2D.Double center = new Point2D.Double((double) width / 2, (double) height / 2);
double fixedIncrement = 2.0 * Math.PI / ((double) barsCount);
AffineTransform toCircle =
AffineTransform.getRotateInstance(fixedIncrement, center.getX(), center.getY());
long start = System.currentTimeMillis();
if (rampDelay == 0) alphaLevel = rampUp ? 255 : 0;
started = true;
boolean inRamp = rampUp;
while (!Thread.interrupted()) {
if (!inRamp) {
for (int i = 0; i < ticker.length; i++) ticker[i].transform(toCircle);
}
repaint();
if (rampUp) {
if (alphaLevel < 255) {
alphaLevel = (int) (255 * (System.currentTimeMillis() - start) / rampDelay);
if (alphaLevel >= 255) {
alphaLevel = 255;
inRamp = false;
}
}
} else if (alphaLevel > 0) {
alphaLevel = (int) (255 - (255 * (System.currentTimeMillis() - start) / rampDelay));
if (alphaLevel <= 0) {
alphaLevel = 0;
break;
}
}
try {
Thread.sleep(inRamp ? 10 : (int) (1000 / fps));
} catch (InterruptedException ie) {
break;
}
Thread.yield();
}
if (!rampUp) {
started = false;
repaint();
setVisible(false);
removeMouseListener(InfiniteProgressPanel.this);
}
}
@Override
public void setBounds(Point2D.Double anchor, Point2D.Double lead) {
Point2D.Double near = new Point2D.Double(-1000, -1000);
Point2D.Double min = new Point2D.Double();
Point2D.Double max = new Point2D.Double();
if (anchor.distance(near) < lead.distance(near)) {
min.setLocation(anchor);
max.setLocation(anchor.getX(), lead.getY());
} else {
min.setLocation(anchor.getX(), lead.getY());
max.setLocation(anchor);
}
if (rec == null) {
rec = new Rectangle2D.Double();
}
rec.setRect(min.getX(), min.getY(), profileWidth, max.getY() - min.getY());
createLine();
}
/**
* Method to get the coordinates of the enclosing rectangle after this transformation is applied
* to the current picture
*
* @return the enclosing rectangle
*/
public Rectangle2D getTransformEnclosingRect(AffineTransform trans) {
int width = getWidth();
int height = getHeight();
double maxX = width - 1;
double maxY = height - 1;
double minX, minY;
Point2D.Double p1 = new Point2D.Double(0, 0);
Point2D.Double p2 = new Point2D.Double(maxX, 0);
Point2D.Double p3 = new Point2D.Double(maxX, maxY);
Point2D.Double p4 = new Point2D.Double(0, maxY);
Point2D.Double result = new Point2D.Double(0, 0);
Rectangle2D.Double rect = null;
// get the new points and min x and y and max x and y
trans.deltaTransform(p1, result);
minX = result.getX();
maxX = result.getX();
minY = result.getY();
maxY = result.getY();
trans.deltaTransform(p2, result);
minX = Math.min(minX, result.getX());
maxX = Math.max(maxX, result.getX());
minY = Math.min(minY, result.getY());
maxY = Math.max(maxY, result.getY());
trans.deltaTransform(p3, result);
minX = Math.min(minX, result.getX());
maxX = Math.max(maxX, result.getX());
minY = Math.min(minY, result.getY());
maxY = Math.max(maxY, result.getY());
trans.deltaTransform(p4, result);
minX = Math.min(minX, result.getX());
maxX = Math.max(maxX, result.getX());
minY = Math.min(minY, result.getY());
maxY = Math.max(maxY, result.getY());
// create the bounding rectangle to return
rect = new Rectangle2D.Double(minX, minY, maxX - minX + 1, maxY - minY + 1);
return rect;
}
// Compute the dot product AB . AC
private double dotProduct(Point2D.Double pointA, Point2D.Double pointB, Point2D.Double pointC) {
Point2D.Double AB =
new Point2D.Double(pointB.getX() - pointA.getX(), pointB.getY() - pointA.getY());
Point2D.Double BC =
new Point2D.Double(pointC.getX() - pointB.getX(), pointC.getY() - pointB.getY());
double dot = AB.getX() * BC.getX() + AB.getY() * BC.getY();
return dot;
}
/** @param vp */
private void newGP(ViewPortData vp) {
// if (gp != null) return;
gp = new GeneralPath();
Point2D pt0 = null;
Point2D pt = null;
Point2D pt1 = null;
Point2D.Double ptTmp = new Point2D.Double(0.0, 0.0);
Iterator iter = iterator();
while (iter.hasNext()) {
pt1 = (Point2D) iter.next();
vp.mat.transform(pt1, ptTmp);
if (pt0 == null) {
pt0 = ptTmp;
gp.moveTo((float) ptTmp.getX(), (float) ptTmp.getY());
} else {
gp.lineTo((float) ptTmp.getX(), (float) ptTmp.getY());
}
}
gp.closePath();
}
@Override
public void zoomInButtonHit() {
if (zoomLevel > 1) {
zoomLevel--;
double x = viewPoint.getX() + viewWidth / 2;
double y = viewPoint.getY() + viewWidth / 2;
viewWidth = viewWidth / 2;
x = x - viewWidth / 2;
y = y - viewWidth / 2;
viewPoint.setLocation(x, y);
setChanged();
notifyObservers();
}
}
/**
* Constructs a plot image.
*
* @param image the actual image.
* @param name the image name.
* @param anchorType the anchor type.
* @param anchorPoint the anchor point.
*/
public PlotImage(
final Image image,
final String name,
final ImageAnchor anchorType,
final Point2D.Double anchorPoint) {
super(ShapeType.IMAGE, name);
setImage(image);
setAnchorType(anchorType);
setFixedSize(true);
_isMovable = false;
_points.add(new PlotPoint(anchorPoint.getX(), anchorPoint.getY(), 0));
_xmin = Double.NaN;
_xmax = Double.NaN;
_ymin = Double.NaN;
_ymax = Double.NaN;
}