Graphics Programs Reference
In-Depth Information
5. In the 3D view, scale the
Emitter
plane five times bigger (press
S
, digit
5
,
and hit
Enter
), then set the
Strength
slider to
3.500
.
6. Save the file as
start_10.blend
.
7. Now let's scale the
Emitter
plane a lot smaller (press
S
, digit
0.05
, and
hit
Enter
) and set the
Strength
slider to
350.000
.
8. Save the file as
start_11.blend
.
How it works...
From step 5 to step 7, we saw how a mesh-light can be scaled bigger or smaller
to obtain a softer (in the first case) or a sharper (in the second case) shadow. The
Strength
value must be adjusted for the light intensity to remain consistent, or the
mesh-light must be moved closer or more distant from the scene.
Scaling the mesh-light basically is the same as setting the size value for a lamp. For
lamps, the softness of the shadows can be set by the
Size
value on the left of the
Cast Shadow
option in the
Lamp
window under the
Properties
panel (by default,
