From 5610db2054755d6f8f4fb726c477cdcd791b8be1 Mon Sep 17 00:00:00 2001
From: Orestis <orestis.malaspinas@pm.me>
Date: Wed, 6 Apr 2022 00:37:56 +0200
Subject: [PATCH] updated last slide
---
slides/cours_21.md | 28 ++++++++--------------------
1 file changed, 8 insertions(+), 20 deletions(-)
diff --git a/slides/cours_21.md b/slides/cours_21.md
index 94f4d3e..dbf1deb 100644
--- a/slides/cours_21.md
+++ b/slides/cours_21.md
@@ -813,26 +813,14 @@ Pour calculer la force sur un corps `c`, on parcourt l'arbre en commençant par
```C
rien maj_force_sur_etoile(arbre, e, theta)
- si est_vide(arbre) ou !existe(e)
+ si est_vide(arbre)
retourne
- if (!n || !p) {
- return;
- }
- // if the node is a leaf and contains a particle which and the particle is not
- // in the bounding box of the node (this means that we are at a particle on
- // a different leaf).
- if (node_is_leaf(n) && !node_is_empty(n) && !is_inside(n->b, p->pos)) {
- update_acceleration(p, n->p);
- }
- // else if the node is far enough of the particle
- else if (node_is_far_enough(n, p, theta)) {
- update_acceleration(p, n->super_p);
- }
- else { // else just update the acceleration recurively
- for (int i = 0; i < 4; ++i) {
- update_acceleration_from_node_on_particle(n->children[i], p, theta);
- }
- }
-}
+ si est_feuille(arbre) && contient_etoile(n) && dans_le_quadrant(arbre.q, e.x)
+ maj_force(e, arbre.e)
+ sinon si noed_assez_loin(arbre, e, theta)
+ maj_force(e, arbre.sup_etoile)
+ sinon
+ pour enfant dans enfants
+ maj_force_sur_etoile(enfant, e, theta)
```
--
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