private Player createPlayer(World world, Cable cable) { CircleShape playerShape = new CircleShape(); playerShape.setRadius(Constants.PLAYER_WIDTH / 2); PhysicsModel playerModel = new PhysicsModel(world, 0, 5, playerShape, true, BodyDef.BodyType.DynamicBody, 0.1f); Player player = new Player(playerModel); RevoluteJointDef jointDef = new RevoluteJointDef(); jointDef.bodyA = player.getBody(); jointDef.bodyB = cable.getBodyList().get(0); world.createJoint(jointDef); WeldJointDef weldJointDef = new WeldJointDef(); weldJointDef.bodyA = player.getBody(); weldJointDef.bodyB = cable.getBodyList().get( cable.getBodyList().size() - 1); weldJointDef.localAnchorA.set(-30, 8); world.createJoint(weldJointDef); return player; }
@Override public void render() { super.render(); //game.getPhysics().clearForces(); for (WeldJointDef jointDef : flyingDartCollisionRule.jointDefs) { Log.debug(tag, "CreateJoint"); physics.createJoint(jointDef); } flyingDartCollisionRule.jointDefs.clear(); for (Joint joint : flyingDartCollisionRule.destroyJoints) { Log.debug(tag, "DestroyJoint"); physics.destroyJoint(joint); } flyingDartCollisionRule.destroyJoints.clear(); }
public JointSerializer(RubeScene scene,Json _json) { this.scene = scene; _json.setSerializer(RevoluteJointDef.class, new RevoluteJointDefSerializer()); _json.setSerializer(PrismaticJointDef.class, new PrismaticJointDefSerializer()); _json.setSerializer(PulleyJointDef.class, new PulleyJointDefSerializer()); _json.setSerializer(WeldJointDef.class, new WeldJointDefSerializer()); _json.setSerializer(FrictionJointDef.class, new FrictionJointDefSerializer()); _json.setSerializer(WheelJointDef.class, new WheelJointDefSerializer()); _json.setSerializer(RopeJointDef.class, new RopeJointDefSerializer()); _json.setSerializer(DistanceJointDef.class, new DistanceJointDefSerializer()); _json.setSerializer(GearJointDef.class, new GearJointDefSerializer()); mouseJointDefSerializer = new MouseJointDefSerializer(); _json.setSerializer(MouseJointDef.class, mouseJointDefSerializer); }
@SuppressWarnings("rawtypes") @Override public WeldJointDef read(Json json, JsonValue jsonData, Class type) { WeldJointDef defaults = RubeDefaults.Joint.weldDef; WeldJointDef def = new WeldJointDef(); Vector2 anchorA = json.readValue("anchorA", Vector2.class, defaults.localAnchorA, jsonData); Vector2 anchorB = json.readValue("anchorB", Vector2.class, defaults.localAnchorB, jsonData); if(anchorA != null && anchorB != null) { def.localAnchorA.set(anchorA); def.localAnchorB.set(anchorB); def.referenceAngle = json.readValue("refAngle", float.class, defaults.referenceAngle, jsonData); } return def; }
public Joint createWeldJoint(Body b1, Body b2, Vector2 anchor) { WeldJointDef wjd = new WeldJointDef(); wjd.bodyA = b1; wjd.bodyB = b2; wjd.collideConnected = false; wjd.localAnchorA.set(Vector2.Zero); wjd.localAnchorB.set(anchor); wjd.referenceAngle = 0.0f; return world.createJoint(wjd); }
/** * Creates the joint. * @return This joint. Handy for chaining stuff together. */ @Override public B2FlxWeldJoint create() { ((WeldJointDef)jointDef).initialize(bodyA, bodyB, anchorA); joint = B2FlxB.world.createJoint(jointDef); return this; }
/** * Create a weld joint between this actor and some other actor, to force the actors to stick * together. * * @param other The actor that will be fused to this actor * @param otherX The X coordinate (relative to center) where joint fuses to the other actor * @param otherY The Y coordinate (relative to center) where joint fuses to the other actor * @param localX The X coordinate (relative to center) where joint fuses to this actor * @param localY The Y coordinate (relative to center) where joint fuses to this actor * @param angle The angle between the actors */ public void setWeldJoint(WorldActor other, float otherX, float otherY, float localX, float localY, float angle) { WeldJointDef w = new WeldJointDef(); w.bodyA = mBody; w.bodyB = other.mBody; w.localAnchorA.set(localX, localY); w.localAnchorB.set(otherX, otherY); w.referenceAngle = angle; w.collideConnected = false; mExplicitWeldJoint = (WeldJoint) mScene.mWorld.createJoint(w); }
/** * When a hero collides with a "sticky" obstacle, this figures out what to do * * @param sticky The sticky actor... it should always be an obstacle for now * @param other The other actor... it should always be a hero for now * @param contact A description of the contact event */ private void handleSticky(final WorldActor sticky, final WorldActor other, Contact contact) { // don't create a joint if we've already got one if (other.mDJoint != null) return; // don't create a joint if we're supposed to wait if (System.currentTimeMillis() < other.mStickyDelay) return; // go sticky obstacles... only do something if we're hitting the // obstacle from the correct direction if ((sticky.mIsSticky[0] && other.getYPosition() >= sticky.getYPosition() + sticky.mSize.y) || (sticky.mIsSticky[1] && other.getXPosition() + other.mSize.x <= sticky.getXPosition()) || (sticky.mIsSticky[3] && other.getXPosition() >= sticky.getXPosition() + sticky.mSize.x) || (sticky.mIsSticky[2] && other.getYPosition() + other.mSize.y <= sticky.getYPosition())) { // create distance and weld joints... somehow, the combination is needed to get this to // work. Note that this function runs during the box2d step, so we need to make the // joint in a callback that runs later final Vector2 v = contact.getWorldManifold().getPoints()[0]; mOneTimeEvents.add(new LolAction() { @Override public void go() { other.mBody.setLinearVelocity(0, 0); DistanceJointDef d = new DistanceJointDef(); d.initialize(sticky.mBody, other.mBody, v, v); d.collideConnected = true; other.mDJoint = (DistanceJoint) mWorld.createJoint(d); WeldJointDef w = new WeldJointDef(); w.initialize(sticky.mBody, other.mBody, v); w.collideConnected = true; other.mWJoint = (WeldJoint) mWorld.createJoint(w); } }); } }
@Override protected void processEntity(Entity entity, float deltaTime) { PhysicsComponent physics = App.engine.mappers.physics.get(entity); HealthComponent health = App.engine.mappers.health.get(entity); StickyComponent sticky = App.engine.mappers.sticky.get(entity); float collisionForce = physics.getCollisionNormal(); //Sticky projectiles if (sticky != null && sticky.enabled){ Fixture stickyFixture = physics.getFixture(sticky.fixtureName); if (stickyFixture != null){ boolean colliding = getContactCount(stickyFixture) > 0; Array<Fixture> touchingFixtures = getFixturesTouching(stickyFixture); for (Fixture f : touchingFixtures){ if (f.isSensor()) colliding = false; else { WeldJointDef jd = new WeldJointDef(); Body b1 = f.getBody(), b2 = stickyFixture.getBody(); jd.initialize(b1,b2,b2.getWorldCenter()); world.createJoint(jd); sticky.enabled = false; break; } } if (!colliding) physics.setRotation(physics.getLinearVelocity().angle()); } } //Collision Damage if (health != null && collisionForce >= health.collisionDamageThreshold){ float dmg = collisionForce - health.collisionDamageThreshold; App.engine.systems.damage.dealDamage(entity,dmg); logger.debug(String.format("Collision damage: Entity#%d ; Force=%f ; Dmg=%f", entity.getId(),collisionForce,dmg)); } physics.clearCollisionNormal(); /* //Anything outside of the world bounds is destroyed if (!App.engine.entityBounds.contains(physics.getPosition()) && entity != App.engine.getLevel().getEntity()){ logger.debug("Destroy Entity #" + entity.getId() + ": outside of world bounds."); App.engine.removeEntity(physics.ownerEntity); } */ }
@Override public void reset() { jointDef = new WeldJointDef(); }
private long createProperJoint(JointDef paramJointDef) { if (paramJointDef.type == JointDef.JointType.DistanceJoint) { DistanceJointDef localDistanceJointDef = (DistanceJointDef)paramJointDef; return jniCreateDistanceJoint(this.addr, localDistanceJointDef.bodyA.addr, localDistanceJointDef.bodyB.addr, localDistanceJointDef.collideConnected, localDistanceJointDef.localAnchorA.x, localDistanceJointDef.localAnchorA.y, localDistanceJointDef.localAnchorB.x, localDistanceJointDef.localAnchorB.y, localDistanceJointDef.length, localDistanceJointDef.frequencyHz, localDistanceJointDef.dampingRatio); } if (paramJointDef.type == JointDef.JointType.FrictionJoint) { FrictionJointDef localFrictionJointDef = (FrictionJointDef)paramJointDef; return jniCreateFrictionJoint(this.addr, localFrictionJointDef.bodyA.addr, localFrictionJointDef.bodyB.addr, localFrictionJointDef.collideConnected, localFrictionJointDef.localAnchorA.x, localFrictionJointDef.localAnchorA.y, localFrictionJointDef.localAnchorB.x, localFrictionJointDef.localAnchorB.y, localFrictionJointDef.maxForce, localFrictionJointDef.maxTorque); } if (paramJointDef.type == JointDef.JointType.GearJoint) { GearJointDef localGearJointDef = (GearJointDef)paramJointDef; return jniCreateGearJoint(this.addr, localGearJointDef.bodyA.addr, localGearJointDef.bodyB.addr, localGearJointDef.collideConnected, localGearJointDef.joint1.addr, localGearJointDef.joint2.addr, localGearJointDef.ratio); } if (paramJointDef.type == JointDef.JointType.MouseJoint) { MouseJointDef localMouseJointDef = (MouseJointDef)paramJointDef; return jniCreateMouseJoint(this.addr, localMouseJointDef.bodyA.addr, localMouseJointDef.bodyB.addr, localMouseJointDef.collideConnected, localMouseJointDef.target.x, localMouseJointDef.target.y, localMouseJointDef.maxForce, localMouseJointDef.frequencyHz, localMouseJointDef.dampingRatio); } if (paramJointDef.type == JointDef.JointType.PrismaticJoint) { PrismaticJointDef localPrismaticJointDef = (PrismaticJointDef)paramJointDef; return jniCreatePrismaticJoint(this.addr, localPrismaticJointDef.bodyA.addr, localPrismaticJointDef.bodyB.addr, localPrismaticJointDef.collideConnected, localPrismaticJointDef.localAnchorA.x, localPrismaticJointDef.localAnchorA.y, localPrismaticJointDef.localAnchorB.x, localPrismaticJointDef.localAnchorB.y, localPrismaticJointDef.localAxisA.x, localPrismaticJointDef.localAxisA.y, localPrismaticJointDef.referenceAngle, localPrismaticJointDef.enableLimit, localPrismaticJointDef.lowerTranslation, localPrismaticJointDef.upperTranslation, localPrismaticJointDef.enableMotor, localPrismaticJointDef.maxMotorForce, localPrismaticJointDef.motorSpeed); } if (paramJointDef.type == JointDef.JointType.PulleyJoint) { PulleyJointDef localPulleyJointDef = (PulleyJointDef)paramJointDef; return jniCreatePulleyJoint(this.addr, localPulleyJointDef.bodyA.addr, localPulleyJointDef.bodyB.addr, localPulleyJointDef.collideConnected, localPulleyJointDef.groundAnchorA.x, localPulleyJointDef.groundAnchorA.y, localPulleyJointDef.groundAnchorB.x, localPulleyJointDef.groundAnchorB.y, localPulleyJointDef.localAnchorA.x, localPulleyJointDef.localAnchorA.y, localPulleyJointDef.localAnchorB.x, localPulleyJointDef.localAnchorB.y, localPulleyJointDef.lengthA, localPulleyJointDef.lengthB, localPulleyJointDef.ratio); } if (paramJointDef.type == JointDef.JointType.RevoluteJoint) { RevoluteJointDef localRevoluteJointDef = (RevoluteJointDef)paramJointDef; return jniCreateRevoluteJoint(this.addr, localRevoluteJointDef.bodyA.addr, localRevoluteJointDef.bodyB.addr, localRevoluteJointDef.collideConnected, localRevoluteJointDef.localAnchorA.x, localRevoluteJointDef.localAnchorA.y, localRevoluteJointDef.localAnchorB.x, localRevoluteJointDef.localAnchorB.y, localRevoluteJointDef.referenceAngle, localRevoluteJointDef.enableLimit, localRevoluteJointDef.lowerAngle, localRevoluteJointDef.upperAngle, localRevoluteJointDef.enableMotor, localRevoluteJointDef.motorSpeed, localRevoluteJointDef.maxMotorTorque); } if (paramJointDef.type == JointDef.JointType.WeldJoint) { WeldJointDef localWeldJointDef = (WeldJointDef)paramJointDef; return jniCreateWeldJoint(this.addr, localWeldJointDef.bodyA.addr, localWeldJointDef.bodyB.addr, localWeldJointDef.collideConnected, localWeldJointDef.localAnchorA.x, localWeldJointDef.localAnchorA.y, localWeldJointDef.localAnchorB.x, localWeldJointDef.localAnchorB.y, localWeldJointDef.referenceAngle); } if (paramJointDef.type == JointDef.JointType.RopeJoint) { RopeJointDef localRopeJointDef = (RopeJointDef)paramJointDef; return jniCreateRopeJoint(this.addr, localRopeJointDef.bodyA.addr, localRopeJointDef.bodyB.addr, localRopeJointDef.collideConnected, localRopeJointDef.localAnchorA.x, localRopeJointDef.localAnchorA.y, localRopeJointDef.localAnchorB.x, localRopeJointDef.localAnchorB.y, localRopeJointDef.maxLength); } if (paramJointDef.type == JointDef.JointType.WheelJoint) { WheelJointDef localWheelJointDef = (WheelJointDef)paramJointDef; return jniCreateWheelJoint(this.addr, localWheelJointDef.bodyA.addr, localWheelJointDef.bodyB.addr, localWheelJointDef.collideConnected, localWheelJointDef.localAnchorA.x, localWheelJointDef.localAnchorA.y, localWheelJointDef.localAnchorB.x, localWheelJointDef.localAnchorB.y, localWheelJointDef.localAxisA.x, localWheelJointDef.localAxisA.y, localWheelJointDef.enableMotor, localWheelJointDef.maxMotorTorque, localWheelJointDef.motorSpeed, localWheelJointDef.frequencyHz, localWheelJointDef.dampingRatio); } return 0L; }
/** * Creates a weld joint. * @param spriteA * @param spriteB * @param jointDef */ public B2FlxWeldJoint(B2FlxShape spriteA, B2FlxShape spriteB, WeldJointDef jointDef) { super(spriteA, spriteB, jointDef); }
