X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fsnode.h;h=94ccb6a2e7125fc2d2b13ddbe77ee5dae4bbc009;hp=11651c6636c320e0e367854ea3c5bb460d232625;hb=ad052fc67fe4e76d2f4a01b2381a738da1708cdb;hpb=873255c40ab793b8c569eca3728d918339686000

diff --git a/src/snode.h b/src/snode.h
index 11651c6..94ccb6a 100644
--- a/src/snode.h
+++ b/src/snode.h
@@ -3,8 +3,11 @@
 
 #include <vector>
 #include "object.h"
+#include "geom.h"
 #include "gmath/gmath.h"
 
+class Scene;
+
 class SceneNode {
 private:
 	char *name;
@@ -21,7 +24,11 @@ private:
 	Mat4 xform;
 	Mat4 inv_xform;
 
+	mutable bool local_bvol_valid;
+	mutable AABox local_bvol;
+
 public:
+	Scene *scene;	// scene to which this node belongs
 	Mat4 dbg_xform;
 
 	SceneNode();
@@ -63,7 +70,18 @@ public:
 	void update_node(float dt = 0.0f);
 	void update(float dt = 0.0f);
 
+	void apply_xform();
+
 	bool intersect(const Ray &ray, HitPoint *hit) const;
+
+	// cached local bounding box (all objects in this node in model space)
+	const AABox &calc_local_bounds();
+	const AABox &get_local_bounds() const;
+
+	// world bounding box of the node
+	AABox get_node_bounds() const;
+	// world bounding box of the node and it's subtree
+	AABox get_bounds() const;
 };
 
 #endif	// SNODE_H_