onLockDown

app.js

@@ -72,7 +72,7 @@ let game = {
     generate: function(nextPiece=nextQueue.shift()) {
         nextPiece.lockDelay = stats.lockDelay
         matrix.piece = nextPiece
-        matrix.piece.onlockdown = game.lockDown
+        matrix.piece.onLockDown = game.lockDown
     
         if (matrix.piece.canMove(TRANSLATION.NONE)) {
             scheduler.setInterval(game.fall, stats.fallPeriod)

jsm/gamelogic.js

@@ -167,14 +167,19 @@ class Tetromino extends AbstractTetromino {
             }
             if (this.canMove(TRANSLATION.DOWN)) {
                 this.locking = false
-                scheduler.clearTimeout(this.onlockdown)
+                scheduler.clearTimeout(this.onLockDown)
             } else {
-                scheduler.resetTimeout(this.onlockdown, this.lockDelay)
+                scheduler.resetTimeout(this.onLockDown, this.lockDelay)
                 this.locking = true
             }
             if (this.ghost.visible) this.updateGhost()
             return true
+        } else {
+            this.locked = true
+            if (!scheduler.timeoutTasks.has(this.onLockDown))
+                scheduler.setTimeout(this.onLockDown, this.lockDelay)
         }
+
     }
 
     rotate(rotation) {