Optimise BVH

2024-07-08 17:54:58 -04:00
parent 80f3aff65d
commit 8a50479e27
5 changed files with 926 additions and 909 deletions
--- a/aabb.h
+++ b/aabb.h
@@ -53,6 +53,20 @@ class aabb {
        }
        return true;
    }
+
+    int longestAxis() const {
+        // Returns the index of the longest axis of the bounding box. 
+        if (x.size() > y.size()) {
+            return x.size() > z.size() ? 0 : 2;
+        } else {
+            return y.size() > z.size() ? 1 : 2;
+        }
+    }
+
+    static const aabb empty, universe;
 };

+const aabb aabb::empty = aabb(interval::empty, interval::empty, interval::empty);
+const aabb aabb::universe = aabb(interval::universe, interval::universe, interval::universe);
+
 #endif