public void trace(float x, float y) {
println(x);
if (frameCounter > 2 && mousePressed) {
coords.add(new PVector(x, y));
frameCounter = 0;
if (coordCounter > 0) {
PVector tempCoord = (PVector) coords.get(coordCounter - 1);
line(x, y, tempCoord.x, tempCoord.y);
}
coordCounter++;
}
// println(coordCounter);
for (int i = 0; i < coords.size(); i++) {
PVector tempCoordnear = (PVector) coords.get(i);
float coordDist = dist(x, y, tempCoordnear.x, tempCoordnear.y);
if (coordDist < distance) {
stroke(255, 0, 0);
line(x, y, tempCoordnear.x, tempCoordnear.y);
}
}
frameCounter++;
}
public void setup() {
size(600, 400);
smooth();
f = createFont("Georgia", 12, true);
obstacles = new ArrayList();
boids = new ArrayList();
// A little algorithm to pick a bunch of random obstacles that don't overlap
for (int i = 0; i < 100; i++) {
float x = random(width);
float y = random(height);
float r = random(50 - i / 2, 50);
boolean ok = true;
for (int j = 0; j < obstacles.size(); j++) {
Obstacle o = (Obstacle) obstacles.get(j);
if (dist(x, y, o.loc.x, o.loc.y) < o.radius + r + 20) {
ok = false;
}
}
if (ok) obstacles.add(new Obstacle(x, y, r));
}
// Starting with three boids
boids.add(new Boid(new PVector(random(width), random(height)), 3f, 0.2f));
boids.add(new Boid(new PVector(random(width), random(height)), 3f, 0.1f));
boids.add(new Boid(new PVector(random(width), random(height)), 2f, 0.05f));
}
public ArrayList getPastObjectStates() {
ArrayList alPast = new ArrayList();
for (int i = intTimeIdx; i > 0 && i > intTimeIdx - 100; i--) {
alPast.add(this.alObjectStateArchive.get(i));
}
return alPast;
}
// Does a deepcopy of an array list
public static ArrayList cloneArrayList(ArrayList al) {
ArrayList alNew = new ArrayList(al.size());
for (int i = 0; i < al.size(); i++) {
alNew.add(((CelestialObject) al.get(i)).clone());
}
return alNew;
}
// Does a deepcopy of an array list
public ArrayList cloneArrayList(ArrayList al) {
ArrayList alNew = new ArrayList(al.size());
for (int i = 0; i < al.size(); i++) {
PVector pv = (PVector) al.get(i);
alNew.add(new PVector(pv.x, pv.y));
}
return alNew;
}
public void avoid(ArrayList obstacles) {
// Make a vector that will be the position of the object
// relative to the Boid rotated in the direction of boid's velocity
PVector closestRotated = new PVector(sight + 1, sight + 1);
float closestDistance = 99999;
Obstacle avoid = null;
// Let's look at each obstacle
for (int i = 0; i < obstacles.size(); i++) {
Obstacle o = (Obstacle) obstacles.get(i);
float d = PVector.dist(loc, o.loc);
PVector dir = vel.get();
dir.normalize();
PVector diff = PVector.sub(o.loc, loc);
// Now we use the dot product to rotate the vector that points from boid to obstacle
// Velocity is the new x-axis
PVector rotated = new PVector(diff.dot(dir), diff.dot(getNormal(dir)));
// Is the obstacle in our path?
if (PApplet.abs(rotated.y) < (o.radius + r)) {
// Is it the closest obstacle?
if ((rotated.x > 0) && (rotated.x < closestRotated.x)) {
closestRotated = rotated;
avoid = o;
}
}
}
// Can we actually see the closest one?
if (PApplet.abs(closestRotated.x) < sight) {
// The desired vector should point away from the obstacle
// The closer to the obstacle, the more it should steer
PVector desired =
new PVector(closestRotated.x, -closestRotated.y * sight / closestRotated.x);
desired.normalize();
desired.mult(closestDistance);
desired.limit(maxspeed);
// Rotate back to the regular coordinate system
rotateVector(desired, vel.heading2D());
// Draw some debugging stuff
if (debug) {
stroke(0);
line(loc.x, loc.y, loc.x + desired.x * 10, loc.y + desired.y * 10);
avoid.highlight(true);
}
// Apply Reynolds steering rules
desired.sub(vel);
desired.limit(maxforce);
acc.add(desired);
}
}
public void mouseClicked() {
ArrayList objects = timeline.getStatefulObjects();
for (int i = 0; i < objects.size(); i++) {
CelestialObject obj = (CelestialObject) objects.get(i);
if (obj.isMouseOver()) {
println(obj.getName() + " clicked!");
break;
}
}
}
public void draw() {
background(255);
for (int i = 0; i < balls.size(); i++) {
Ball ball = (Ball) balls.get(i);
ball.calc();
ball.display();
}
}
public void render(PGraphics g) {
if (parent != null) rot = PApplet.lerp(rot, parent.rot, 0.25f);
g.rotate(rot);
g.textSize(txtSize);
g.text(txt, 0, 0);
g.translate(g.textWidth(txt) * kerning, 0);
for (int i = 0; i < children.size(); i++) children.get(i).render(g);
}
public static ArrayList<BChar> buildString(PApplet app, String str, float wander) {
ArrayList<BChar> bchars = new ArrayList<BChar>(str.length());
for (int i = 0, n = str.length(); i < n; i++) {
bchars.add(new BChar(str.substring(i, i + 1), app.random(-wander, wander)));
if (i > 0) bchars.get(i - 1).addChild(bchars.get(i));
}
return bchars;
}
public ArrayList getFutureObjectStates() {
ArrayList alFutureArchive = new ArrayList();
ArrayList alFutureObjects = cloneArrayList(alStatefulObjects);
for (int i = 0; i < 100; i++) {
sim.calculateForces(alFutureObjects);
alFutureArchive.add(cloneArrayList(alFutureObjects));
}
return alFutureArchive;
}
/** Update all of the Ball's and draw them */
public void update() {
if (balls.size() != 0) {
for (int i = 0; i < balls.size(); i++) {
Ball b = (Ball) balls.get(i);
b.update();
b.attract = kelly;
b.drawBall();
}
}
}
public void draw() {
// background(255);
fill(255);
rect(-4, -4, width + 4, height + 4);
for (int i = skaters.size() - 1; i >= 0; i--) {
Skater skater = (Skater) skaters.get(i);
// if (mousePressed) {
skater.trace(mouseX, mouseY); // blob[i].x etc.
println(i);
}
}
// maailmassa on välttämättä myös pisteitä joissa ei ole haaroja, laitetaan niiden päihin
// kolikkoja
// akseli ulospäin siitä suorasta osasta
// paluuarvot paikka1, akseli1, ...
ArrayList<PVector> endpoints() {
ArrayList<PVector> pts = new ArrayList<PVector>();
for (int z = 0; z < size; z += space + 1) {
for (int y = 0; y < size; y += space + 1) {
for (int x = 0; x < size; x += space + 1) {
PVector pos = head(x, y, z);
if (pos != null) {
pts.add(pos);
pts.add(PVector.sub(pos, new PVector(x, y, z)));
}
}
}
}
return pts;
}
public void draw() {
background(0);
fill(255);
if (!paused) timeline.moveForward();
if (dragging) drawOrbits(timeline.getFutureObjectStates());
else drawOrbits(timeline.getPastObjectStates());
ArrayList objects = timeline.getStatefulObjects();
for (int i = 0; i < objects.size(); i++) {
CelestialObject obj = (CelestialObject) objects.get(i);
obj.display();
}
}
/** If a key is pressed perform the respective actions */
public void keyPressed() {
// Add 'stems' to the balls
if (keyCode == SHIFT) {
stems = !stems;
for (int i = 0; i < balls.size(); i++) {
Ball b = (Ball) balls.get(i);
b.STEM = stems;
}
}
// toggle repaint background
else if (key == 'b') REPAINT = !REPAINT;
// Empty the ArrayList of Balls
else if (key == 'x') balls.clear();
// Add a ball
else if (key == 'f') addBall();
}
public int moveForward() {
// println("forward!");
intTimeIdx++;
// if the future values have already been calculated, just fetch them instead of calculating
// them again
if (alObjectStateArchive.size() > intTimeIdx)
setCurrentState(cloneArrayList((ArrayList) alObjectStateArchive.get(intTimeIdx)));
else {
// println("calculating...");
sim.calculateForces(alStatefulObjects);
alObjectStateArchive.add(cloneArrayList(alStatefulObjects));
}
sliderTimeline.setValue(intTimeIdx);
return intTimeIdx;
}
public void calculateForces(ArrayList objects) {
for (int i = 0; i < objects.size(); i++) {
CelestialObject obj = (CelestialObject) objects.get(i);
ArrayList forces = obj.getForces();
float totalForceX = 0;
float totalForceY = 0;
for (int j = 0; j < forces.size(); j++) {
totalForceX += ((PVector) forces.get(j)).x;
totalForceY += ((PVector) forces.get(j)).y;
}
PVector newAccel = new PVector(totalForceX / obj.getMass(), totalForceY / obj.getMass());
obj.setAcceleration(newAccel);
}
for (int i = 0; i < objects.size(); i++) {
CelestialObject obj1 = (CelestialObject) objects.get(i);
float forceX = 0;
float forceY = 0;
obj1.clearForces();
if (obj1.getClass() == Star.class) {
println(obj1.getVelocity());
continue;
}
for (int j = 0; j < objects.size(); j++) {
CelestialObject obj2 = (CelestialObject) objects.get(j);
if (i == j) continue;
PVector pvDistance = PVector.sub(obj2.getPosition(), obj1.getPosition());
// println("distance: x:" + pvDistance.x + " y:" + pvDistance.y);
float distance = sqrt(sq(pvDistance.y) + sq(pvDistance.x));
float angle = degrees(atan2(pvDistance.y, pvDistance.x));
float force = (G * obj1.getMass() * obj2.getMass()) / sq(distance);
forceX = force * cos(radians(angle));
forceY = force * sin(radians(angle));
// println("FORCES on " + obj1.getName() + ":" + forceX + "," + forceY);
obj1.addForce(new PVector(forceX, forceY));
println();
}
}
}
public void mouseDragged() {
if (paused) {
ArrayList objects = timeline.getStatefulObjects();
for (int i = 0; i < objects.size(); i++) {
CelestialObject obj = (CelestialObject) objects.get(i);
if (obj.isMouseOver()) {
dragging = true;
PVector pos = obj.getPosition();
pos.x = mouseX;
pos.y = mouseY;
timeline.reset();
timeline.setCurrentState(objects);
sliderTimeline.setValue(0);
break;
}
}
}
}
public void draw() {
if (_pointLists.size() <= 0) return;
pushStyle();
noFill();
PVector vec;
PVector firstVec;
PVector screenPos = new PVector();
int colorIndex = 0;
// draw the hand lists
Iterator<Map.Entry> itrList = _pointLists.entrySet().iterator();
while (itrList.hasNext()) {
strokeWeight(2);
stroke(_colorList[colorIndex % (_colorList.length - 1)]);
ArrayList curList = (ArrayList) itrList.next().getValue();
// draw line
firstVec = null;
Iterator<PVector> itr = curList.iterator();
beginShape();
while (itr.hasNext()) {
vec = itr.next();
if (firstVec == null) firstVec = vec;
// calc the screen pos
context.convertRealWorldToProjective(vec, screenPos);
vertex(screenPos.x, screenPos.y);
}
endShape();
// draw current pos of the hand
if (firstVec != null) {
strokeWeight(8);
context.convertRealWorldToProjective(firstVec, screenPos);
point(screenPos.x, screenPos.y);
}
colorIndex++;
}
popStyle();
}
public void setup() {
size(800, 600);
smooth();
strokeWeight(1);
skaters = new ArrayList();
skaters.add(new Skater());
}
static public ArrayList<File> findFilesInFolder(File folder, String extension,
boolean recurse) {
ArrayList<File> files = new ArrayList<File>();
if (folder.listFiles() == null) return files;
for (File file : folder.listFiles()) {
if (file.getName().startsWith(".")) continue; // skip hidden files
if (file.getName().endsWith("." + extension))
files.add(file);
if (recurse && file.isDirectory()) {
files.addAll(findFilesInFolder(file, extension, true));
}
}
return files;
}
public void setup() {
size(320, 240);
smooth();
// Start with 10 balls
balls = new ArrayList();
for (int i = 0; i < 10; i++) {
Ball ball = new Ball(random(width), random(height));
balls.add(ball);
}
}
public void draw() {
background(255);
// Turn off highlighting for all obstalces
for (int i = 0; i < obstacles.size(); i++) {
Obstacle o = (Obstacle) obstacles.get(i);
o.highlight(false);
}
// Act on all boids
for (int i = 0; i < boids.size(); i++) {
Boid b = (Boid) boids.get(i);
b.avoid(obstacles);
b.run();
}
// Display the obstacles
for (int i = 0; i < obstacles.size(); i++) {
Obstacle o = (Obstacle) obstacles.get(i);
o.display();
}
// Instructions
textFont(f);
fill(0);
text(
"Hit space bar to toggle debugging lines.\nClick the mouse to generate a new boids.",
10,
height - 30);
}
/** Add a ball to the ArrayList at current mouse position */
public void addBall() {
// Store current mouse position
x1 = mouseX;
y1 = mouseY;
// Get a random offset for the ball
int xDiff = (int) random(-10, 10);
int yDiff = (int) random(-10, 10);
// Add the mouse's (x,y) and the random offset
int x = mouseX + xDiff;
int y = mouseY + yDiff;
// Create new ball
Ball b = new Ball(x, y, ballSize);
b.STEM = stems;
b.attract = kelly;
balls.add(b);
}
public int moveBackward() {
intTimeIdx--;
if (intTimeIdx < 0) {
intTimeIdx = 0;
} else {
// println("before:" + ((CelestialObject)alStatefulObjects.get(0)).getPosition().x +
// "," + ((CelestialObject)alStatefulObjects.get(0)).getPosition().y);
setCurrentState(cloneArrayList((ArrayList) alObjectStateArchive.get(intTimeIdx)));
// println("before:" + ((CelestialObject)alStatefulObjects.get(0)).getPosition().x +
// "," + ((CelestialObject)alStatefulObjects.get(0)).getPosition().y);
}
sliderTimeline.setValue(intTimeIdx);
return intTimeIdx;
}
public void addPoint(long handId, PVector handPoint) {
ArrayList curList = getPointList(handId);
curList.add(0, handPoint);
if (curList.size() > _maxPoints) curList.remove(curList.size() - 1);
}
protected String[] getSketchParams(boolean presenting) {
ArrayList<String> params = new ArrayList<String>();
// It's dangerous to add your own main() to your code,
// but if you've done it, we'll respect your right to hang yourself.
// http://processing.org/bugs/bugzilla/1446.html
if (build.getFoundMain()) {
params.add(build.getSketchClassName());
} else {
params.add("processing.core.PApplet");
// get the stored device index (starts at 0)
int runDisplay = Preferences.getInteger("run.display");
// If there was a saved location (this guy has been run more than once)
// then the location will be set to the last position of the sketch window.
// This will be passed to the PApplet runner using something like
// --location=30,20
// Otherwise, the editor location will be passed, and the applet will
// figure out where to place itself based on the editor location.
// --editor-location=150,20
if (editor != null) { // if running processing-cmd, don't do placement
GraphicsDevice editorDevice = editor.getGraphicsConfiguration().getDevice();
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice[] devices = ge.getScreenDevices();
// Make sure the display set in Preferences actually exists
GraphicsDevice runDevice = editorDevice;
if (runDisplay >= 0 && runDisplay < devices.length) {
runDevice = devices[runDisplay];
} else {
runDevice = editorDevice;
for (int i = 0; i < devices.length; i++) {
if (devices[i] == runDevice) {
runDisplay = i;
break;
// Don't set the pref, might be a temporary thing. Users can
// open/close Preferences to reset the device themselves.
// Preferences.setInteger("run.display", runDisplay);
}
}
}
Point windowLocation = editor.getSketchLocation();
// if (windowLocation != null) {
// // could check to make sure the sketch location is on the device
// // that's specified in Preferences, but that's going to be annoying
// // if you move a sketch to another window, then it keeps jumping
// // back to the specified window.
//// Rectangle screenRect =
//// runDevice.getDefaultConfiguration().getBounds();
// }
if (windowLocation == null) {
if (editorDevice == runDevice) {
// If sketches are to be shown on the same display as the editor,
// provide the editor location so the sketch's main() can place it.
Point editorLocation = editor.getLocation();
params.add(
PApplet.ARGS_EDITOR_LOCATION + "=" + editorLocation.x + "," + editorLocation.y);
} else {
// The sketch's main() will set a location centered on the new
// display. It has to happen in main() because the width/height
// of the sketch are not known here.
// Set a location centered on the other display
// Rectangle screenRect =
// runDevice.getDefaultConfiguration().getBounds();
// int runX =
// params.add(PApplet.ARGS_LOCATION + "=" + runX + "," + runY);
}
} else {
params.add(PApplet.ARGS_LOCATION + "=" + windowLocation.x + "," + windowLocation.y);
}
params.add(PApplet.ARGS_EXTERNAL);
}
params.add(PApplet.ARGS_DISPLAY + "=" + runDisplay);
if (presenting) {
params.add(PApplet.ARGS_FULL_SCREEN);
// if (Preferences.getBoolean("run.present.exclusive")) {
// params.add(PApplet.ARGS_EXCLUSIVE);
// }
params.add(PApplet.ARGS_STOP_COLOR + "=" + Preferences.get("run.present.stop.color"));
params.add(PApplet.ARGS_BGCOLOR + "=" + Preferences.get("run.present.bgcolor"));
}
params.add(build.getSketchClassName());
params.add(PApplet.ARGS_SKETCH_FOLDER + "=" + build.getSketchPath());
// Adding sketch path in the end coz it's likely to
// contain spaces and things go wrong on UNIX systems.
}
// String outgoing[] = new String[params.size()];
// params.toArray(outgoing);
// return outgoing;
return params.toArray(new String[0]);
}
protected String[] getMachineParams() {
ArrayList<String> params = new ArrayList<String>();
// params.add("-Xint"); // interpreted mode
// params.add("-Xprof"); // profiler
// params.add("-Xaprof"); // allocation profiler
// params.add("-Xrunhprof:cpu=samples"); // old-style profiler
// TODO change this to use run.args = true, run.args.0, run.args.1, etc.
// so that spaces can be included in the arg names
String options = Preferences.get("run.options");
if (options.length() > 0) {
String pieces[] = PApplet.split(options, ' ');
for (int i = 0; i < pieces.length; i++) {
String p = pieces[i].trim();
if (p.length() > 0) {
params.add(p);
}
}
}
// params.add("-Djava.ext.dirs=nuffing");
if (Preferences.getBoolean("run.options.memory")) {
params.add("-Xms" + Preferences.get("run.options.memory.initial") + "m");
params.add("-Xmx" + Preferences.get("run.options.memory.maximum") + "m");
}
if (Base.isMacOS()) {
params.add("-Xdock:name=" + build.getSketchClassName());
// params.add("-Dcom.apple.mrj.application.apple.menu.about.name=" +
// sketch.getMainClassName());
}
// sketch.libraryPath might be ""
// librariesClassPath will always have sep char prepended
params.add(
"-Djava.library.path="
+ build.getJavaLibraryPath()
+ File.pathSeparator
+ System.getProperty("java.library.path"));
params.add("-cp");
params.add(build.getClassPath());
// params.add(sketch.getClassPath() +
// File.pathSeparator +
// Base.librariesClassPath);
// enable assertions
// http://dev.processing.org/bugs/show_bug.cgi?id=1188
params.add("-ea");
// PApplet.println(PApplet.split(sketch.classPath, ':'));
String outgoing[] = new String[params.size()];
params.toArray(outgoing);
// PApplet.println(outgoing);
// PApplet.println(PApplet.split(outgoing[0], ":"));
// PApplet.println();
// PApplet.println("class path");
// PApplet.println(PApplet.split(outgoing[2], ":"));
return outgoing;
// return (String[]) params.toArray();
// System.out.println("sketch class path");
// PApplet.println(PApplet.split(sketch.classPath, ';'));
// System.out.println();
// System.out.println("libraries class path");
// PApplet.println(PApplet.split(Base.librariesClassPath, ';'));
// System.out.println();
}
public void removeChild(BChar childNode) {
children.remove(childNode);
}