/** Thread for simulation */
@Override
public void run() {
final ArrayList<PhysicBody> bodies = mOnSceneBodies;
long lastTime = System.currentTimeMillis();
long time;
final Vector2D force = new Vector2D();
for (; !mDoKill; ) {
try {
mSimulationMutex.acquire();
} catch (InterruptedException e2) {
e2.printStackTrace();
}
/* Compute time */
time = System.currentTimeMillis() - lastTime;
lastTime = System.currentTimeMillis();
/* We need a semaphore here */
try {
mLockOnSceneBodys.acquire();
} catch (InterruptedException e1) {
e1.printStackTrace();
}
/* Apply gravity impulse */
for (PhysicBody body : bodies) {
force.set(mGravity);
body.applyImpulse(force.mul(body.getBodyMass() * (float) time / 1000f));
}
mLockOnSceneBodys.release();
/* Then apply collisions forces */
mArbiter.checkCollisions();
try {
mLockOnSceneBodys.acquire();
} catch (InterruptedException e1) {
e1.printStackTrace();
}
/* Last update body */
for (PhysicBody body : bodies) body.onUpdateBody((float) time / 1000f);
mLockOnSceneBodys.release();
mSimulationMutex.release();
/* Keep max frame-rate */
try {
if (time < 40) Thread.sleep(40 - time);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
mDoKill = false;
}
/**
* Adds physical object
*
* @param object object to be added
*/
public void add(final PhysicBody body) {
try {
mLockOnSceneBodys.acquire();
} catch (InterruptedException e) {
e.printStackTrace();
}
mOnSceneBodies.add(body);
mArbiter.add(body.getCollider());
mLockOnSceneBodys.release();
}
public boolean remove(final PhysicBody body) {
try {
mLockOnSceneBodys.acquire();
} catch (InterruptedException e) {
e.printStackTrace();
}
boolean removed = mOnSceneBodies.remove(body);
mLockOnSceneBodys.release();
removed &= mArbiter.remove(body.getCollider());
return removed;
}
