Examples with BroadPhase com.almasb.fxgl.physics.box2d.collision.broadphase.BroadPhase used on opensource projects

Example 1 with BroadPhase

use of com.almasb.fxgl.physics.box2d.collision.broadphase.BroadPhase in project FXGL by AlmasB.

the class Fixture method refilter.

/**
 * Call this if you want to establish collision that was previously disabled by
 * ContactFilter::ShouldCollide.
 */
public void refilter() {
    // Flag associated contacts for filtering.
    ContactEdge edge = body.getContactList();
    while (edge != null) {
        Contact contact = edge.contact;
        Fixture fixtureA = contact.getFixtureA();
        Fixture fixtureB = contact.getFixtureB();
        if (fixtureA == this || fixtureB == this) {
            contact.flagForFiltering();
        }
        edge = edge.next;
    }
    World world = body.getWorld();
    if (world == null) {
        return;
    }
    // Touch each proxy so that new pairs may be created
    BroadPhase broadPhase = world.getContactManager().broadPhase;
    for (int i = 0; i < proxyCount; ++i) {
        broadPhase.touchProxy(proxies[i].proxyId);
    }
}

Example 2 with BroadPhase

use of com.almasb.fxgl.physics.box2d.collision.broadphase.BroadPhase in project FXGL by AlmasB.

the class Body method setTransform.

/**
 * Set the position of the body's origin and rotation.
 * This breaks any contacts and wakes the other bodies.
 * Manipulating a body's transform may cause non-physical behavior.
 * Note: contacts are updated on the next call to World.step().
 *
 * @param position the world position of the body's local origin
 * @param angle the world rotation in radians
 */
public void setTransform(Vec2 position, float angle) {
    world.assertNotLocked();
    m_xf.q.set(angle);
    m_xf.p.set(position);
    // m_sweep.c0 = m_sweep.c = Mul(m_xf, m_sweep.localCenter);
    Transform.mulToOutUnsafe(m_xf, m_sweep.localCenter, m_sweep.c);
    m_sweep.a = angle;
    m_sweep.c0.set(m_sweep.c);
    m_sweep.a0 = m_sweep.a;
    BroadPhase broadPhase = world.getContactManager().broadPhase;
    for (Fixture f : fixtures) {
        f.synchronize(broadPhase, m_xf, m_xf);
    }
}

Example 3 with BroadPhase

use of com.almasb.fxgl.physics.box2d.collision.broadphase.BroadPhase in project FXGL by AlmasB.

the class Body method setType.

/**
 * Set the type of this body.
 * This may alter the mass and velocity.
 *
 * @param type body type
 */
public void setType(BodyType type) {
    world.assertNotLocked();
    if (this.type == type) {
        return;
    }
    this.type = type;
    resetMassData();
    if (this.type == BodyType.STATIC) {
        m_linearVelocity.setZero();
        m_angularVelocity = 0.0f;
        m_sweep.a0 = m_sweep.a;
        m_sweep.c0.set(m_sweep.c);
        synchronizeFixtures();
    }
    setAwake(true);
    m_force.setZero();
    m_torque = 0.0f;
    destroyAttachedContacts();
    // Touch the proxies so that new contacts will be created (when appropriate)
    BroadPhase broadPhase = world.getContactManager().broadPhase;
    for (Fixture f : fixtures) {
        int proxyCount = f.getProxyCount();
        for (int i = 0; i < proxyCount; ++i) {
            broadPhase.touchProxy(f.getProxyId(i));
        }
    }
}

Example 4 with BroadPhase

use of com.almasb.fxgl.physics.box2d.collision.broadphase.BroadPhase in project FXGL by AlmasB.

the class Body method destroyFixture.

/**
 * Destroy a fixture.
 * This removes the fixture from the broad-phase and destroys all contacts
 * associated with this fixture.
 * This will automatically adjust the mass of the body if the body
 * is dynamic and the fixture has positive density.
 * All fixtures attached to a body are implicitly destroyed when the body is destroyed.
 * Note: this function is locked during callbacks.
 *
 * @param fixture the fixture to be removed
 */
public void destroyFixture(Fixture fixture) {
    world.assertNotLocked();
    assert (fixture.getBody() == this);
    assert (fixtures.size() > 0);
    assert fixtures.contains(fixture);
    fixtures.remove(fixture);
    // Destroy any contacts associated with the fixture.
    ContactEdge edge = m_contactList;
    while (edge != null) {
        Contact c = edge.contact;
        edge = edge.next;
        Fixture fixtureA = c.getFixtureA();
        Fixture fixtureB = c.getFixtureB();
        if (fixture == fixtureA || fixture == fixtureB) {
            // This destroys the contact and removes it from this body's contact list.
            world.getContactManager().destroy(c);
        }
    }
    if ((m_flags & e_activeFlag) == e_activeFlag) {
        BroadPhase broadPhase = world.getContactManager().broadPhase;
        fixture.destroyProxies(broadPhase);
    }
    fixture.destroy();
    resetMassData();
}

Example 5 with BroadPhase

use of com.almasb.fxgl.physics.box2d.collision.broadphase.BroadPhase in project FXGL by AlmasB.

the class Body method createFixture.

/**
 * Creates a fixture and attach it to this body.
 * Use this function if you need to set some fixture parameters, like friction.
 * Otherwise you can create the fixture directly from a shape.
 * If the density is non-zero, this function automatically updates the mass of the body.
 * Contacts are not created until the next time step.
 * Note: This function is locked during callbacks.
 *
 * @param def the fixture definition
 */
public Fixture createFixture(FixtureDef def) {
    world.assertNotLocked();
    Fixture fixture = new Fixture(this, def);
    if ((m_flags & e_activeFlag) == e_activeFlag) {
        BroadPhase broadPhase = world.getContactManager().broadPhase;
        fixture.createProxies(broadPhase, m_xf);
    }
    fixtures.add(fixture);
    // Adjust mass properties if needed.
    if (fixture.getDensity() > 0) {
        resetMassData();
    }
    // Let the world know we have a new fixture. This will cause new contacts
    // to be created at the beginning of the next time step.
    world.notifyNewFixture();
    return fixture;
}