edge planes )))bsp-edges

1 files changed, 20 insertions, 0 deletions

diff --git a/src/util/aabb.h b/src/util/aabb.h
index 96e40bf..9dc4b20 100644
--- a/src/util/aabb.h
+++ b/src/util/aabb.h
@@ -13,3 +13,23 @@ inline F32 aabb_support_radius( const AABB& aabb, const VEC3& dir ) {
   VEC3 half = aabb_half( aabb );
   return fabsf(dir.x) * half.x + fabsf(dir.y) * half.y + fabsf(dir.z) * half.z;
 }
+
+inline U8 aabb_intersects( const AABB& aabb, const AABB& other ) {
+  if (aabb.min.x > other.max.x || aabb.max.x < other.min.x)
+    return 0;
+  if (aabb.min.y > other.max.y || aabb.max.y < other.min.y)
+    return 0;
+  if (aabb.min.z > other.max.z || aabb.max.z < other.min.z)
+    return 0;
+  return 1;
+}
+
+inline U8 aabb_contains_point( const AABB& aabb, const VEC3& point ) {
+  if (point.x < aabb.min.x || point.x > aabb.max.x)
+    return 0;
+  if (point.y < aabb.min.y || point.y > aabb.max.y)
+    return 0;
+  if (point.z < aabb.min.z || point.z > aabb.max.z)
+    return 0;
+  return 1;
+}