Dart & Flutter Class Inheritance | Flutter Beginner Tutorial | Flutter & Dart Tetris App Series #5

We are using the Super class constructor in our new AlivePoint class, so that we can use the Point class and do not have to recreate anything from that class.
We are fixing the problem in which all the old blocks we just disappearing by adding a second list. This List of Alive Points is simply going to keep track of all the currently available pieces.
We will take advantage of this class in the next tutorials.

Dart & Flutter Tetris full app. This is a full tutorial series for Beginners. From Zero To Hero!
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