public void step() {
for (int i = 0; i < worldStepsPerLoop; i++) {
world.step();
// if (stepsDone % 100 == 0) {
// System.out.println("println = "+stepsDone);
// }
if (capture) {
if (stepsDone % 5 == 0) {
String s = String.format("%06d", stepsDone);
this.captureToSVG("step" + s + ".svg");
}
}
stepsDone++;
}
for (Active active : getActives()) {
active.setDamping(getFrictionOfSurface(active)); // speedup
// active.setDamping((float) frictionBuffer.getFriction((int) active.getX(), (int)
// active.getY()));
}
for (Passive passive : getPassives()) {
passive.setDamping(getFrictionOfSurface(passive)); // speedup
// passive.setDamping((float) frictionBuffer.getFriction((int) passive.getX(),
// (int) passive.getY()));
}
moveVivaes();
repaint();
}
/** Sets up new coordinates and rotation of all VivaeObjects according to their movement. */
public void moveVivaes() {
for (Active active : actives) {
active.moveComponent();
}
for (Passive passive : passives) {
passive.moveComponent();
}
for (VivaeController controller : controllers) {
controller.moveControlledObject();
}
}
/**
* Initializates the World and adds all the actives and passives and physical boundaries inside.
*/
public void initWorld() {
encloseWithWalls(50);
for (Passive passive : getPassives()) {
world.add(passive.getBody());
}
for (Active active : actives) {
world.add(active.getBody());
}
world.setGravity(0, 0);
setAllArenaPartsAntialiased(isAllArenaPartsAntialiased);
}
/**
* Paints up the arena and all the surfaces and objects inside without DoubleBuffering.
*
* @param svgGraphics
*/
public void paintUnbuffered(Graphics svgGraphics) {
svgGraphics.setColor(Color.WHITE);
svgGraphics.fillRect(this.getX(), this.getY(), screenWidth, screenHeight);
for (Surface vivaeObject : surfaces) {
vivaeObject.paintComponent(svgGraphics);
}
for (Passive vivaeObject : getPassives()) {
vivaeObject.paintComponent(svgGraphics, false);
}
for (Active active : actives) {
active.paintComponent(svgGraphics, false);
}
}
/**
* Runs the main loop. Several number of world steps (according to worldStepsPerLoop property) is
* taken, a friction coefficient is set up to all Actives and Passives, the VivaeObjects are
* moved, if the visible output is turned on, the painting method is called and the thread sleeps
* for a several (according to loopSleepTime property) milisecs.
*/
@Override
public void run() {
// while (true) {
while (isRunning) {
for (int i = 0; i < worldStepsPerLoop; i++) {
world.step();
// if (stepsDone % 100 == 0) {
// System.out.println("println = "+stepsDone);
// }
if (capture) {
if (stepsDone % 5 == 0) {
String s = new PrintfFormat("%06d").sprintf(stepsDone);
this.captureToSVG("step" + s + ".svg");
}
}
stepsDone++;
}
if (stepsDone > totalStepsPerSimulation) isRunning = false;
for (Active active : getActives()) {
// active.setDamping(getFrictionOfSurface(active)); //speedup
active.setDamping(
(float) frictionBuffer.getFriction((int) active.getX(), (int) active.getY()));
}
for (Passive passive : getPassives()) {
// passive.setDamping(getFrictionOfSurface(passive)); //speedup
passive.setDamping(
(float) frictionBuffer.getFriction((int) passive.getX(), (int) passive.getY()));
}
moveVivaes();
if (isVisible && loopSleepTime > 0) {
repaint();
if (loopSleepTime > 0) {
try {
Thread.sleep(loopSleepTime);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}
/** Defines reactions on pressed keys for the arena. */
public void keyPressed(KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_A:
// switch between antialiased and not antialiased painting.
setAllArenaPartsAntialiased(!isAllArenaPartsAntialiased);
break;
case KeyEvent.VK_V:
// toggles on and off the visibility of the status frames.
for (Active active : actives) {
active.setShowingStatusFrame(!active.isShowingStatusFrame());
}
break;
case KeyEvent.VK_P:
// Sets the status frames to be binded to their owner.
for (Active active : actives) {
active.setStatusFramePinedToPosition(!active.isStatusFramePinedToPosition());
}
break;
case KeyEvent.VK_C:
// captures an SVG output
captureToSVG(svgOutputFileName);
break;
case KeyEvent.VK_N:
// start caturing
capture = true;
break;
case KeyEvent.VK_M:
// stop capturing
capture = false;
break;
}
}
@Override
/** Paints up the arena and all the surfaces and objects inside using DoubleBuffering. */
public void paint(Graphics g) {
if (offscreen == null) {
return;
}
bufferGraphics.setColor(Color.WHITE);
bufferGraphics.fillRect(this.getX(), this.getY(), screenWidth, screenHeight);
for (Surface vivaeObject : surfaces) {
vivaeObject.paintComponent(bufferGraphics);
}
for (Passive vivaeObject : getPassives()) {
vivaeObject.paintComponent(bufferGraphics, isObjectsOnSightBlinking);
}
for (Active active : actives) {
active.paintComponent(bufferGraphics, isObjectsOnSightBlinking);
}
// bufferGraphics.draw(new Rectangle(10,10,100,100));
// frictionBuffer.paintSensorBuffer(bufferGraphics);
g.drawImage(offscreen, 0, 0, this);
}
public void moveActive(Active a) {
a.moveComponent();
}
/**
* Sets up whether the Active objects in the arena are antialiased.
*
* @param isAntialiased
*/
public void setActivesAntialiased(boolean isAntialiased) {
for (Active active : actives) {
active.setAntialiased(isAntialiased);
}
}