performance enhancements in physics system

srcimon · Jun 6, 2023 · 68b35ca · 68b35ca
1 parent d7cf65d
commit 68b35ca
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/...ox-core/src/main/java/io/github/srcimon/screwbox/core/entities/systems/PhysicsSystem.java b/...ox-core/src/main/java/io/github/srcimon/screwbox/core/entities/systems/PhysicsSystem.java
@@ -25,13 +25,12 @@ public void update(final Engine engine) {
         final var colliders = engine.entities().fetchAll(COLLIDERS);
         for (final Entity entity : engine.entities().fetchAll(PHYSICS)) {
             final var physicsBody = entity.get(PhysicsBodyComponent.class);
-            final var transform = entity.get(TransformComponent.class);
-
-            final Vector momentum = physicsBody.momentum.multiply(factor);
-            transform.bounds = transform.bounds.moveBy(momentum);
-
             if (!physicsBody.ignoreCollisions) {
-                final List<CollisionCheck> collisionPairs = new ArrayList<>(colliders.size());
+                final var transform = entity.get(TransformComponent.class);
+                final Vector momentum = physicsBody.momentum.multiply(factor);
+                transform.bounds = transform.bounds.moveBy(momentum);
+
+                final List<CollisionCheck> collisionPairs = new ArrayList<>();
                 for (final var collider : colliders) {
                     if (entity != collider) {
                         final CollisionCheck check = new CollisionCheck(entity, collider);