public void render(OrthographicCamera camera) {
// update the world with a fixed time step
world.step(Gdx.app.getGraphics().getDeltaTime() * 10, 8, 3);
if (mouseJoint != null) mouseJoint.setTarget(bob.getBody().getWorldCenter());
// Destroy mouseJoint? (drop item)
if (destroyMousejoint == true) {
if (!world.isLocked()) {
world.destroyJoint(mouseJoint);
mouseJoint = null;
destroyMousejoint = false;
}
}
// Delete any bodies up for deletion
if (!bodiesToDelete.isEmpty()) {
// Make sure it is safe to delete!!
if (!world.isLocked()) {
for (Body body : bodiesToDelete) {
world.destroyBody(body);
body.setUserData(null);
body = null;
}
bodiesToDelete.clear(); // Don't forget to clear the null bodies!
}
}
// Create any bodies up for creation
if (!bodiesToCreate.isEmpty()) {
// Make sure it is safe to create!!
if (!world.isLocked()) {
for (BodyDef body : bodiesToCreate) {
world.createBody(body);
}
bodiesToCreate.clear(); // Don't forget to clear!
}
}
// Create any joints up for creation
if (!jointsToCreate.isEmpty()) {
// Make sure it is safe to create!!
if (!world.isLocked()) {
for (JointDef body : jointsToCreate) {
mouseJoint = (MouseJoint) world.createJoint(body);
}
jointsToCreate.clear(); // Don't forget to clear!
}
}
// render the world using the debug renderer
renderer.render(world, camera.combined);
}
public void jumpBob(Vector2 jump) {
bob.getBody().applyLinearImpulse(jump, bob.getBody().getWorldCenter(), true);
}
// Bob-specific methods ************************************************************
public void moveBob(Vector2 direction) {
bob.getBody().applyForceToCenter(direction, true);
}
public void createPhysicsWorld() {
xEngine = new ExplosionEngine();
// create the debug renderer
renderer = new Box2DDebugRenderer();
// create the world
world = new World(new Vector2(0, -3), true);
bob.setBody(createPhysicsObject(bob.getBounds(), ModelType.PLAYER, -1).getBody());
// Create our enemy's physical representations
for (Map.Entry<Civilian, Integer> civilian : level.getEnemies().entrySet()) {
civilian
.getKey()
.setFixture(
createPhysicsObject(
civilian.getKey().getBounds(), ModelType.ENEMY, civilian.getValue()));
}
// Create our item's physical representations
for (Map.Entry<Item, Integer> item : level.getItems().entrySet()) {
item.getKey()
.setFixture(
createPhysicsObject(item.getKey().getBounds(), ModelType.ITEM, item.getValue()));
}
// Create our level out of blocks
for (Block block : level.getBlocks()) {
createBoxes(block.getBounds());
}
// createDestruction();
world.setContactListener(
new ContactListener() {
@Override
public void beginContact(Contact contact) {
// Get our UserData object, and check for contacts
UserData dataA = (UserData) contact.getFixtureA().getUserData();
UserData dataB = (UserData) contact.getFixtureA().getUserData();
/** Used for determining if character can jump or not * */
if (dataA.modelType == ModelType.FOOT_SENSOR) {
if (dataA.parentId == -1) { // PlayerCharacter's foot
bob.setNumFootContacts(1);
bob.canJump(true);
}
}
if (dataB.modelType == ModelType.FOOT_SENSOR) {
if (dataB.parentId == -1) { // PlayerCharacter's foot
bob.setNumFootContacts(1);
}
}
if (dataA.modelType == ModelType.LEFT_SIDE_SENSOR) {
if (dataA.parentId == -1) { // PlayerCharacter's foot
bob.setNumLeftSideContacts(1);
bob.canJump(true);
}
}
if (dataB.modelType == ModelType.LEFT_SIDE_SENSOR) {
if (dataB.parentId == -1) { // PlayerCharacter's foot
bob.setNumLeftSideContacts(1);
}
}
if (dataA.modelType == ModelType.RIGHT_SIDE_SENSOR) {
if (dataA.parentId == -1) { // PlayerCharacter's foot
bob.setNumRightSideContacts(1);
bob.canJump(true);
}
}
if (dataB.modelType == ModelType.RIGHT_SIDE_SENSOR) {
if (dataB.parentId == -1) { // PlayerCharacter's foot
bob.setNumRightSideContacts(1);
}
}
/** Touching an item (used for picking up items) * */
if (dataA.modelType == ModelType.PLAYER && dataB.modelType == ModelType.ITEM
|| dataB.modelType == ModelType.ITEM && dataA.modelType == ModelType.PLAYER) {
MouseJointDef def = new MouseJointDef();
def.bodyA = contact.getFixtureA().getBody();
def.bodyB = contact.getFixtureB().getBody();
dataA = (UserData) def.bodyA.getUserData();
def.collideConnected = false;
def.target.set(testPoint.x, testPoint.y);
if (dataA.modelType == ModelType.PLAYER) {
def.target.set(def.bodyA.getWorldCenter());
def.maxForce = 1000.0f * def.bodyA.getMass();
} else {
def.target.set(def.bodyB.getWorldCenter());
def.maxForce = 1000.0f * def.bodyB.getMass();
}
jointsToCreate.add(def);
}
}
@Override
public void endContact(Contact contact) {
// Get our UserData object, and check for contacts
UserData dataA = (UserData) contact.getFixtureA().getUserData();
UserData dataB = (UserData) contact.getFixtureA().getUserData();
/** Used for determining if character can jump or not * */
if (dataA.modelType == ModelType.FOOT_SENSOR) {
if (dataA.parentId == -1) { // PlayerCharacter's foot
bob.setNumFootContacts(-1);
}
}
if (dataB.modelType == ModelType.FOOT_SENSOR) {
if (dataB.parentId == -1) { // PlayerCharacter's foot
bob.setNumFootContacts(-1);
}
}
}
@Override
public void preSolve(Contact contact, Manifold oldManifold) {}
@Override
public void postSolve(Contact contact, ContactImpulse impulse) {}
});
}
