I considered a much simpler algorithm for terracing. Namely we hadn't need worry about something like contour tracing, since volume geometry intersection testing potentially does this for us.
What we do is create volume geometry in regularized banded intervals and intersection test gathering vertices in this test. Once having these vertices we floor them appropriately to a given terrain terrace elevation height.
We can describe these terrace intervals by using a subdivision of the minimum and maximum heightmap positions on such terrain geometry.
What we do is create volume geometry in regularized banded intervals and intersection test gathering vertices in this test. Once having these vertices we floor them appropriately to a given terrain terrace elevation height.
We can describe these terrace intervals by using a subdivision of the minimum and maximum heightmap positions on such terrain geometry.
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