christoph/cpp-masssprings
1
Fork 0
Code Releases Activity

implement barnes-hut particle repulsion using octree

Browse Source
This commit is contained in:
Christoph Urlacher
2026-02-22 23:29:56 +01:00
parent f07f2772c4
commit e43e505110
5 changed files with 302 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/config.hpp
View File

@ -5,6 +5,7 @@
#define PRINT_TIMINGS
// #define WEB
#define BARNES_HUT
// Window
constexpr int INITIAL_WIDTH = 800;
@ -35,8 +36,10 @@ constexpr float MASS = 1.0;
constexpr float SPRING_CONSTANT = 5.0;
constexpr float DAMPENING_CONSTANT = 1.0;
constexpr float REST_LENGTH = 2.0;
constexpr float REPULSION_FORCE = 0.1;
constexpr float REPULSION_FORCE = 2.0;
constexpr float REPULSION_RANGE = 5.0 * REST_LENGTH;
constexpr float THETA = 1.0; // Barnes-Hut [0.5, ~]
constexpr float SOFTENING = 0.01; // Barnes-Hut [0.01, 1.0]
constexpr int REPULSION_GRID_REFRESH = 5; // Updates between grid rebuilds
constexpr float VERLET_DAMPENING = 0.05; // [0, 1]