These in-depth looks will include a logical analysis of why the method is effective, how the math can be simplified based on what we know about heightfields, and the relative performance of the particular algorithm.
exciteで変な日本語を見て大まかな意味はわかったけど あの変な日本語をどうつなげていいのか…。 how the math can be...以降がどこに入るのかさっぱりわかりません。