update changelog

RafaelBarbosatec · Dec 1, 2023 · b961a83 · b961a83
1 parent 99f99c6
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@
 - [BREAKING CHANGE] `BlockMovementCollision` big improvements.
   Update `onBlockedMovement` method, adds `CollisionData(normal,depth,direction,intersectionPoints)`
   Adds `onBlockMovementUpdateVelocity` method to do override if necessary.
+- `HandleForces` improvements.
 - Fix typo in params that contained `intencity` renaming it to `intensity`.
 - Fix bug `playOnce` and `playOnceOther` when call again without finish the last.
 - `BarLifeComponent` improvements.

diff --git a/lib/forces/forces_2d.dart b/lib/forces/forces_2d.dart
@@ -17,7 +17,7 @@ class AccelerationForce2D extends Force2D {
 
   @override
   Vector2 transform(Vector2 velocity, double mass, double dt) {
-    return (value * mass * dt);
+    return velocity + (value * mass * dt);
   }
 }
 

diff --git a/lib/forces/handle_forces.dart b/lib/forces/handle_forces.dart
@@ -46,11 +46,10 @@ mixin HandleForces on Movement {
     Vector2 velocity,
     double dt,
   ) {
-    final accelerations = forces.fold<Vector2>(
-      Vector2.zero(),
-      (p, e) => p + e.transform(p, mass, dt),
+    return forces.fold<Vector2>(
+      velocity,
+      (p, e) => e.transform(p, mass, dt),
     );
-    return velocity + accelerations;
   }
 
   Vector2 onApplyResistenceForces(