com.badlogic.gdx.physics.box2d.joints.MouseJoint Java Examples

private void testPoint(Fixture fixture, PointerState<Vector2,Vector3> pointerState) {
    if (!fixture.testPoint(pointerState.coordinates.x, pointerState.coordinates.y))
        return;
    Integer index = (Integer) fixture.getBody().getUserData();
    GameEntity entity =  Indexed.getInteractiveEntity(index);
    if(entity.isDraggable()) {
        jointDef.bodyB = fixture.getBody();
        jointDef.target.set(pointerState.coordinates.x, pointerState.coordinates.y);
        joints[pointerState.pointer] = (MouseJoint) physics.createJoint(jointDef);
    }
}
 

@Override
public void initialize() {
    if (engine.getManager(PhysicsManagerGDX.class) == null) throw new EntitasException("InputManagerGDX",
            "InputManagerGDX needs load PreferencesManagerGDX on the engine");
    this.camera = engine.getCamera();
    this.physics = engine.getPhysics();
    joints =  new MouseJoint[5];
    inputStateData = new InputStateData();

}
 

@Override
public boolean touchDown(int screenX, int screenY, int pointer, int button) {
	/*
	 * Define a new QueryCallback. This callback will be used in
	 * world.QueryAABB method.
	 */
	QueryCallback queryCallback = new QueryCallback() {

		@Override
		public boolean reportFixture(Fixture fixture) {
			boolean testResult;

			/*
			 * If the hit point is inside the fixture of the body, create a
			 * new MouseJoint.
			 */
			if (testResult = fixture.testPoint(touchPosition.x,
					touchPosition.y)) {
				mouseJointDef.bodyB = fixture.getBody();
				mouseJointDef.target.set(touchPosition.x, touchPosition.y);
				mouseJoint = (MouseJoint) world.createJoint(mouseJointDef);
			}

			return testResult;
		}
	};

	/* Translate camera point to world point */
	camera.unproject(touchPosition.set(screenX, screenY, 0));

	/*
	 * Query the world for all fixtures that potentially overlap the touched
	 * point.
	 */
	world.QueryAABB(queryCallback, touchPosition.x, touchPosition.y,
			touchPosition.x, touchPosition.y);

	return true;
}
 

@Override
public boolean touchDown(int x, int y, int pointer, int newParam) {
	// translate the mouse coordinates to world coordinates
	testPoint.set(x, y, 0);
	camera.unproject(testPoint);

	// ask the world which bodies are within the given
	// bounding box around the mouse pointer
	hitBody = null;
	world.QueryAABB(callback, testPoint.x - 0.1f, testPoint.y - 0.1f,
			testPoint.x + 0.1f, testPoint.y + 0.1f);

	// if we hit something we create a new mouse joint
	// and attach it to the hit body.
	if (hitBody != null) {
		MouseJointDef def = new MouseJointDef();
		def.bodyA = groundBody;
		def.bodyB = hitBody;
		def.collideConnected = true;
		def.target.set(testPoint.x, testPoint.y);
		def.maxForce = 1000.0f * hitBody.getMass();

		mouseJoint = (MouseJoint) world.createJoint(def);
		hitBody.setAwake(true);
	}

	return false;
}
 

@Override
public boolean touchDown(int x, int y, int pointer, int newParam) {
	// translate the mouse coordinates to world coordinates
	testPoint.set(x, y, 0);
	camera.unproject(testPoint);

	// ask the world which bodies are within the given
	// bounding box around the mouse pointer
	hitBody = null;
	world.QueryAABB(callback, testPoint.x - 0.1f, testPoint.y - 0.1f,
			testPoint.x + 0.1f, testPoint.y + 0.1f);

	// if we hit something we create a new mouse joint
	// and attach it to the hit body.
	if (hitBody != null) {
		MouseJointDef def = new MouseJointDef();
		def.bodyA = groundBody;
		def.bodyB = hitBody;
		def.collideConnected = true;
		def.target.set(testPoint.x, testPoint.y);
		def.maxForce = 1000.0f * hitBody.getMass();

		mouseJoint = (MouseJoint) world.createJoint(def);
		hitBody.setAwake(true);
	}

	return false;
}
 

@Override
public boolean touchDown(int x, int y, int pointer, int button) {
	touching = true;
	camera.unproject(testPoint.set(x, y, 0));
	testPoint2D.x = testPoint.x;
	testPoint2D.y = testPoint.y;
	oldDragPos.set(testPoint2D);
	
	if (button == Buttons.LEFT) {

		// Drag Mode
		if (isDragging) {
			for (Piece piece : pieces.values()) {
				hitBody = null;
				if (piece.body.getFixtureList().get(0).testPoint(testPoint2D)) {
					hitBody = piece.body;
					if (hitBody.getType() == BodyType.KinematicBody || hitBody.getType() == BodyType.StaticBody)
						continue;
					MouseJointDef def = new MouseJointDef();
					def.bodyA = groundBody;
					def.bodyB = hitBody;
					def.collideConnected = true;
					def.target.set(testPoint2D);
					def.maxForce = 10.0f * hitBody.getMass();
					mouseJoint = (MouseJoint)world.createJoint(def);
					hitBody.setAwake(true);
					break;
				}
			}
			if (mouseJoint != null)
				return false;
		}
		
		if (!IS_DESKTOP) {
			isRepulsing = true;
			isAttracting = false;
		} else {
			isAttracting = false;
			isRepulsing = false;
		}
	}
	if (button == Buttons.RIGHT) {
		isAttracting = true;
	}
	if (button == Buttons.MIDDLE) {
		isRepulsing = true;
	}
	return false;
}
 

@Override
public boolean touchDown(int x, int y, int pointer, int button) {
	touching = true;
	camera.unproject(testPoint.set(x, y, 0));
	testPoint2D.x = testPoint.x;
	testPoint2D.y = testPoint.y;
	oldDragPos.set(testPoint2D);
	
	if (button == Buttons.LEFT) {

		// Drag Mode
		if (isDragging) {
			for (Piece piece : pieces.values()) {
				hitBody = null;
				if (piece.body.getFixtureList().get(0).testPoint(testPoint2D)) {
					hitBody = piece.body;
					if (hitBody.getType() == BodyType.KinematicBody || hitBody.getType() == BodyType.StaticBody)
						continue;
					MouseJointDef def = new MouseJointDef();
					def.bodyA = groundBody;
					def.bodyB = hitBody;
					def.collideConnected = true;
					def.target.set(testPoint2D);
					def.maxForce = 10.0f * hitBody.getMass();
					mouseJoint = (MouseJoint)world.createJoint(def);
					hitBody.setAwake(true);
					break;
				}
			}
			if (mouseJoint != null)
				return false;
		}
		
		if (!IS_DESKTOP) {
			isRepulsing = true;
			isAttracting = false;
		} else {
			isAttracting = false;
			isRepulsing = false;
		}
	}
	if (button == Buttons.RIGHT) {
		isAttracting = true;
	}
	if (button == Buttons.MIDDLE) {
		isRepulsing = true;
	}
	return false;
}
 

@Override
public boolean touchDown(int x, int y, int pointer, int button) {
	touching = true;
	camera.unproject(testPoint.set(x, y, 0));
	testPoint2D.x = testPoint.x;
	testPoint2D.y = testPoint.y;
	oldDragPos.set(testPoint2D);
	
	if (button == Buttons.LEFT) {
		
		// MPM
		mpmSolver.pressed = true;
		mpmSolver.mx = (int)testPoint2D.x;
		mpmSolver.my = BOX_HEIGHT - (int)testPoint2D.y;

		// Drag Mode
		if (isDragging) {
			for (Piece piece : pieces.values()) {
				hitBody = null;
				if (piece.body.getFixtureList().get(0).testPoint(testPoint2D)) {
					hitBody = piece.body;
					if (hitBody.getType() == BodyType.KinematicBody || hitBody.getType() == BodyType.StaticBody)
						continue;
					MouseJointDef def = new MouseJointDef();
					def.bodyA = groundBody;
					def.bodyB = hitBody;
					def.collideConnected = true;
					def.target.set(testPoint2D);
					def.maxForce = 10.0f * hitBody.getMass();
					mouseJoint = (MouseJoint)world.createJoint(def);
					hitBody.setAwake(true);
					break;
				}
			}
			if (mouseJoint != null)
				return false;
		}
		
		if (!IS_DESKTOP) {
			isRepulsing = true;
			isAttracting = false;
		} else {
			isAttracting = false;
			isRepulsing = false;
		}
	}
	if (button == Buttons.RIGHT) {
		isAttracting = true;
	}
	if (button == Buttons.MIDDLE) {
		isRepulsing = true;
	}
	return false;
}