GameDev | StackExchange - Help with Resolving Pixel Perfect

public void update(ElapsedTime elapsedTime) {

        float dt = (float) elapsedTime.stepTime;

        // Ensure the maximum acceleration isn't exceeded
        if (acceleration.lengthSquared() > maxAcceleration * maxAcceleration) {
            acceleration.normalise();
            acceleration.multiply(maxAcceleration);
        }

        // Update the velocity using the acceleration and ensure the
        // maximum velocity has not been exceeded
        velocity.add(acceleration.x * dt, acceleration.y * dt);

        if (velocity.lengthSquared() > maxVelocity * maxVelocity) {
            velocity.normalise();
            velocity.multiply(maxVelocity);
        }

        // Update the position using the velocity
        position.add(velocity.x * dt, velocity.y * dt);

        // Ensure the maximum angular acceleration isn't exceeded
        if (angularAcceleration < -maxAngularAcceleration
                || angularAcceleration > maxAngularAcceleration) {
            angularAcceleration = Math.signum(angularAcceleration)
                    * maxAngularAcceleration;
        }

        // Update the angular velocity using the angular acceleration and
        // ensure the maximum angular velocity has not been exceeded
        angularVelocity += angularAcceleration * dt;

        if (angularVelocity < -maxAngularVelocity
                || angularVelocity > maxAngularVelocity) {
            angularVelocity = Math.signum(angularVelocity) * maxAngularVelocity;
        }

        // Update the orientation using the angular velocity
        orientation += angularVelocity * dt;



    }