House with Animation

House Miniproject

          1:  Animate both the sun and clouds.
          2:  Both sun and clouds should have periodic boundary conditions.
          		That is, they should reappear on the opposite side of the screen like
          3:  The clouds should be multiple ellipses, all drawn  relative to one variable.
          4:  The clouds should, at some point, cover the sun.
          5:  When the clouds cover the sun, the sky should darken for more than an instant.
          6:  When the sun reappears from behind the clouds, the sky should brighten again.