March a ray against a height query. step is the coarse march step in
world units — use about one heightmap texel; the hit is refined by
bisection to ~1/64 step. Points where the query returns null are treated
as "no ground" (the ray passes over the void beyond the field).
March a ray against a height query.
stepis the coarse march step in world units — use about one heightmap texel; the hit is refined by bisection to ~1/64 step. Points where the query returns null are treated as "no ground" (the ray passes over the void beyond the field).