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Trouble understanding Quaternion.identity in tutorial
In the Space Shooter - Game Controller tutorial: Right at the end of the video, it says to initialize the rotation to Quaternion.identity, which means "no rotation", and then the guy in the video proceeds to show how that causes the demo Asteroid objects to tumble and rotate. What? How does setting something to "no rotation" cause it to rotate?
It doesn't; the two things have nothing to do with each other. In order to make something rotate you either need to use Transform.Rotate or add torque using physics.
@Eric5h5 Correct. Initializing the rotation to Quaternion.identity does not cause the CHANGE in rotation, this only sets the initial rotation (orientation) of the object. In the Space Shooter tutorial specifically, what causes the Asteroid to rotate is the code found in the RandomRotator script where the angular velocity of the object is set.
