Dimensionality
It is easy to get away with any individual fi re element being
2D in this case. Because fi re changes its shape constantly,
there is nothing to give away its two dimensionality. Borders
of individual fi re elements can freely overlap without
being distracting, so it doesn’t look cut out. The eye sees
evidence of parallax between a couple dozen fi re elements
and does not think to question that any individual one of
them looks too fl at. The smoke elements were handled
in a similar way, organized along overlapping planes. As
mentioned in the previous chapter, smoke’s translucency
aids the illusion that overlapping smoke layers have dimensional
depth.
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