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Shadows
There
are two types of shadows. Shape and Cast. The sun, falling on an object, causes
shape shadows. Let us make our object the form of a house.
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To
illustrate. Imagine the sun is in the upper left. The blocks are painted in the same
colour. When the first coat is dry. Paint over again
with the same colour, but not the area which is catching the most sunlight, the
roof. Let
this coat dry. With the same paint again, paint over the area receiving the least
sunlight, the gable end and the side of the chimney. You should end up similar
to the above. It does not matter which
colour you use for this. What you have created are shape shadows.
Cast
shadows are where an object cast’s it shadow. Here we have a pole
casting its shadow towards our house block. Remember that cast shadows always
follow the direction of the ground or building as shown. This
can be of great help in your paintings, it indicates to the viewer both depth
and uneven ground which aids a 3D effect to your work.
While
painting outdoors, leave out cast shadows until the end. This will ensure all
the shadows are going the same way.
