bound camera y-position by world & change dynamics slightly

Shared/Camera.cs

@@ -21,22 +21,31 @@ namespace SemiColinGames {
       get => Matrix.CreateOrthographicOffCenter(Left, Left + Width, Height + Top, Top, -1, 1);
     }
 
-    public void Update(float modelTime, Player player, int worldWidth) {
+    public void Update(float modelTime, Player player, int worldWidth, int worldHeight) {
       Vector2 pos = player.Position;
       float xDiff = pos.X - bbox.Center.X;
       float yDiff = pos.Y - bbox.Center.Y;
       if (Math.Abs(xDiff) > 16) {
         bbox.Offset((int) (xDiff * 0.1), 0);
       }
-      if (Math.Abs(yDiff) > 16 && player.StandingOnGround) {
+      if (player.StandingOnGround) {
         bbox.Offset(0, (int) (yDiff * 0.1));
       }
+      if (yDiff > 16) {
+        bbox.Offset(0, (int) (yDiff * 0.2));
+      }
       if (bbox.Left < 0) {
         bbox.Offset(-bbox.Left, 0);
       }
       if (bbox.Right > worldWidth) {
         bbox.Offset(worldWidth - bbox.Right, 0);
       }
+      if (bbox.Top < 0) {
+        bbox.Offset(0, -bbox.Top);
+      }
+      if (bbox.Bottom > worldHeight) {
+        bbox.Offset(0, worldHeight - bbox.Bottom);
+      }
       if (shakeTime > 0) {
         shakeTime -= modelTime;
         int x = random.Next(-4, 5);

Shared/World.cs

@@ -162,7 +162,7 @@ namespace SemiColinGames {
         Reset();
       }
       LinesOfSight.Update(npcs, CollisionTargets);
-      Camera.Update(modelTime, Player, Width);
+      Camera.Update(modelTime, Player, Width, Height);
     }
 
     public void ScreenShake() {