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A comment on Metaballs and Marching Squares. Parent comment
Just like you can define the perimeter of a circle given constants (x_0, y_0, r):
(x-x_0)^2 + (y-y_0)^2 = r^2
you can define the perimeter a metaball on a list of (x_i, y_i, r_i) as described in the post.
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Just like you can define the perimeter of a circle given constants (x_0, y_0, r):
(x-x_0)^2 + (y-y_0)^2 = r^2
you can define the perimeter a metaball on a list of (x_i, y_i, r_i) as described in the post.