more notes

diff --git a/src/gamescr.cc b/src/gamescr.cc
index f2a9414..742d580 100644 (file)
--- a/src/gamescr.cc
+++ b/src/gamescr.cc
@@ -15,6 +15,9 @@
  * - select objects and center camera on them
  * - we need to rely on actual collisions instead of grid occupancy
  * - on collision use the weighted sum of the velocities
+ *
+ * XXX revert the direct n^2 gravitational thing, and find a way to exclude
+ *     own field when sampling the ... field
  */
 
 struct Particle {