The goal of the plinko videos is that by the end of the sequence you will have created a basic yet fully functional plinko game. This tutorial sequence assumes very little prior knowledge and is firmly aimed at developers new to Unity and Bolt.
This videos covers create the Bolt flow graph to handle releasing the ball and adding a random amount of force and torque.
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https://www.youtube.com/watch?v=8ci7Ph7JkFc