I had this idea a few days ago that it might be possible to use a recursive divide and conquer algorithm to render SDFs. It's possible to recursively divide the view frustum into smaller and smaller quads. The idea being that you start by tracing an initial ray corresponding to the entire view frustum, and you try to advance all rays at the same time. This is possible because you can calculate, given a ray centered in the middle of a quad, how far you can safely advance all rays in that quad. When you get too close to an object to be able to advance all rays, you can recursively subdivide your patch into 4, and try again with a smaller quad.
debugging my very long (at the time) config instead of doing actual
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原油价格上涨，不仅直接推高成品油售价，还会抬升依赖汽柴油的货运行业成本。
Ask Rogers for advice on the next generation trying to crack California’s tech scene, and he doesn’t have a quick hiring hack or an interview stunt.
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