diff --git a/Game/Game1.cs b/Game/Game1.cs
index ceef5ae..7fa96c7 100644
--- a/Game/Game1.cs
+++ b/Game/Game1.cs
@@ -11,6 +11,7 @@ using Syntriax.Engine.Core.Abstract;
 using Syntriax.Engine.Graphics.TwoDimensional;
 using Syntriax.Engine.Input;
 using Syntriax.Engine.Physics2D;
+using Syntriax.Engine.Physics2D.Primitives;
 
 namespace Pong;
 
@@ -64,7 +65,7 @@ public class Game1 : Game
         gameObjectBall.Transform.Position = Vector2.Zero;
         gameObjectBall.Transform.Scale = new Vector2(1f / 51.2f, 1f / 51.2f);
         engine.AddRigidBody(gameObjectBall.BehaviourController.AddBehaviour<RigidBody2D>());
-        gameObjectBall.BehaviourController.AddBehaviour<MovementBallBehaviour>(new Vector2(.1f, .01f), 500f);
+        gameObjectBall.BehaviourController.AddBehaviour<MovementBallBehaviour>(new Vector2(.1f, .1f), 500f);
         gameObjectBall.BehaviourController.AddBehaviour<DisplayableSpriteBehaviour>().Assign(spriteBall);
         gameObjectBall.BehaviourController.AddBehaviour<Collider2DAABBBehaviour>().AABBLocal = new AABB(-Vector2.One * 512f * .5f, Vector2.One * 512f * .5f);
         // gameObjectBall = gameManager.InstantiateGameObject<GameObject>();
@@ -76,25 +77,25 @@ public class Game1 : Game
         // gameObjectBall.BehaviourController.AddBehaviour<DisplayableSpriteBehaviour>().Assign(spriteBall);
         // gameObjectBall.BehaviourController.AddBehaviour<Collider2DAABBBehaviour>().AABBLocal = new AABB(-Vector2.One * 512f * .5f, Vector2.One * 512f * .5f);
 
-        IGameObject gameObjectLeft = gameManager.InstantiateGameObject<GameObject>();
-        gameObjectLeft.Name = "Left";
-        gameObjectLeft.Transform.Position = new Vector2(-452, 0f);
-        gameObjectLeft.Transform.Scale = new Vector2(10f, 40f);
-        gameObjectLeft.BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
-        gameObjectLeft.BehaviourController.AddBehaviour<MovementBoxBehaviour>(Keys.W, Keys.S, 268f, -268f, 400f);
-        gameObjectLeft.BehaviourController.AddBehaviour<DisplayableSpriteBehaviour>().Assign(spriteBox);
-        gameObjectLeft.BehaviourController.AddBehaviour<Collider2DAABBBehaviour>().AABBLocal = new AABB(-Vector2.One * .5f, Vector2.One * .5f);
-        engine.AddRigidBody(gameObjectLeft.BehaviourController.AddBehaviour<RigidBody2D>());
+        // IGameObject gameObjectLeft = gameManager.InstantiateGameObject<GameObject>();
+        // gameObjectLeft.Name = "Left";
+        // gameObjectLeft.Transform.Position = new Vector2(-452, 0f);
+        // gameObjectLeft.Transform.Scale = new Vector2(10f, 40f);
+        // gameObjectLeft.BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
+        // gameObjectLeft.BehaviourController.AddBehaviour<MovementBoxBehaviour>(Keys.W, Keys.S, 268f, -268f, 400f);
+        // gameObjectLeft.BehaviourController.AddBehaviour<DisplayableSpriteBehaviour>().Assign(spriteBox);
+        // gameObjectLeft.BehaviourController.AddBehaviour<Collider2DAABBBehaviour>().AABBLocal = new AABB(-Vector2.One * .5f, Vector2.One * .5f);
+        // engine.AddRigidBody(gameObjectLeft.BehaviourController.AddBehaviour<RigidBody2D>());
 
-        IGameObject gameObjectRight = gameManager.InstantiateGameObject<GameObject>();
-        gameObjectRight.Name = "Right";
-        gameObjectRight.Transform.Position = new Vector2(452, 0f);
-        gameObjectRight.Transform.Scale = new Vector2(10f, 40f);
-        gameObjectRight.BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
-        gameObjectRight.BehaviourController.AddBehaviour<MovementBoxBehaviour>(Keys.Up, Keys.Down, 268f, -268f, 400f);
-        gameObjectRight.BehaviourController.AddBehaviour<DisplayableSpriteBehaviour>().Assign(spriteBox);
-        gameObjectRight.BehaviourController.AddBehaviour<Collider2DAABBBehaviour>().AABBLocal = new AABB(-Vector2.One * .5f, Vector2.One * .5f);
-        engine.AddRigidBody(gameObjectRight.BehaviourController.AddBehaviour<RigidBody2D>());
+        // IGameObject gameObjectRight = gameManager.InstantiateGameObject<GameObject>();
+        // gameObjectRight.Name = "Right";
+        // gameObjectRight.Transform.Position = new Vector2(452, 0f);
+        // gameObjectRight.Transform.Scale = new Vector2(10f, 40f);
+        // gameObjectRight.BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
+        // gameObjectRight.BehaviourController.AddBehaviour<MovementBoxBehaviour>(Keys.Up, Keys.Down, 268f, -268f, 400f);
+        // gameObjectRight.BehaviourController.AddBehaviour<DisplayableSpriteBehaviour>().Assign(spriteBox);
+        // gameObjectRight.BehaviourController.AddBehaviour<Collider2DAABBBehaviour>().AABBLocal = new AABB(-Vector2.One * .5f, Vector2.One * .5f);
+        // engine.AddRigidBody(gameObjectRight.BehaviourController.AddBehaviour<RigidBody2D>());
 
 
         IGameObject goPlayAreaTop = gameManager.InstantiateGameObject<GameObject>();
diff --git a/Game/Physics2D/PhysicsEngine2D.cs b/Game/Physics2D/PhysicsEngine2D.cs
index 029686f..e1acfb6 100644
--- a/Game/Physics2D/PhysicsEngine2D.cs
+++ b/Game/Physics2D/PhysicsEngine2D.cs
@@ -65,7 +65,7 @@ public class PhysicsEngine2D : IPhysicsEngine2D
         if (c1.RigidBody2D is not IRigidBody2D)
             return;
 
-        Line vertexTrajectory = new Line(vertex, vertex - c1.RigidBody2D.Velocity * intervalDeltaTime);
+        Line vertexTrajectory = new Line(vertex - c1.RigidBody2D.Velocity * intervalDeltaTime, vertex);
         if (vertexTrajectory.LengthSquared <= 0.001f)
             return;
 
@@ -96,7 +96,7 @@ public class PhysicsEngine2D : IPhysicsEngine2D
         if (!hasIntersectedWithLines)
             return;
 
-        float rewindInterval = t * intervalDeltaTime;
+        float rewindInterval = intervalDeltaTime - t * intervalDeltaTime;
         StepRigidBody(c1.RigidBody2D, -rewindInterval);
 
         c1.RigidBody2D.Velocity = Vector2.Reflect(c1.RigidBody2D.Velocity, normal);
@@ -115,7 +115,13 @@ public class PhysicsEngine2D : IPhysicsEngine2D
             {
                 Vector2 vertex = collider2D.Vertices[y];
                 if (collider2DItem.CheckCollision(vertex))
+                {
                     OnCollisionDetectedAction?.Invoke(collider2D, collider2DItem, vertex);
+                    OnCollisionDetectedAction?.Invoke(collider2DItem, collider2D, vertex);
+                    collider2D.Recalculate();
+                    collider2DItem.Recalculate();
+                    y--;
+                }
             }
         }
     }
diff --git a/Game/Physics2D/Primitives/Line.cs b/Game/Physics2D/Primitives/Line.cs
index 5553497..02cc06f 100644
--- a/Game/Physics2D/Primitives/Line.cs
+++ b/Game/Physics2D/Primitives/Line.cs
@@ -8,6 +8,7 @@ namespace Syntriax.Engine.Physics2D.Primitives;
 
 public record Line(Vector2 From, Vector2 To)
 {
+    public Line Reversed => new(To, From);
     public Vector2 Direction => Vector2.Normalize(To - From);
     public float Length => (From - To).Length();
     public float LengthSquared => (From - To).LengthSquared();
@@ -39,7 +40,15 @@ public record Line(Vector2 From, Vector2 To)
 
         pointX -= min;
 
-        return pointX / max;
+        float t = pointX / max;
+
+        // FIXME
+        // I don't even know, apparently whatever I wrote up there doesn't take into account of the direction of the line
+        // Which... I can see how, but I am also not sure how I can make it take into account. Or actually I'm for some reason
+        // too unmotivated to find a solution. Future me, find a better way if possible, please.
+        if (!Lerp(t).ApproximatelyEquals(point))
+            return 1f - t;
+        return t;
     }
 
     public bool Exist(List<Vector2> vertices)
@@ -60,9 +69,22 @@ public record Line(Vector2 From, Vector2 To)
     }
 
     public float IntersectionParameterT(Line other)
-        => ((other.From.X - From.X) * (To.Y - From.Y) - (other.From.Y - From.Y) * (To.X - From.X)) /
-            ((other.To.Y - other.From.Y) * (To.X - From.X) - (other.To.X - other.From.X) * (To.Y - From.Y));
+    {
+        float numerator = (From.X - other.From.X) * (other.From.Y - other.To.Y) - (From.Y - other.From.Y) * (other.From.X - other.To.X);
+        float denominator = (From.X - To.X) * (other.From.Y - other.To.Y) - (From.Y - To.Y) * (other.From.X - other.To.X);
 
+        // Lines are parallel
+        if (denominator == 0)
+            return float.NaN;
+
+        return numerator / denominator;
+    }
+
+    public Vector2 Lerp(float t)
+        => new Vector2(
+            From.X + (To.X - From.X) * t,
+            From.Y + (To.Y - From.Y) * t
+        );
 
     public Vector2 Resolve(float x)
         => new Vector2(x, LineEquation.Resolve(x));