The callback of Ticker is executed every how many frames,
which is a performance optimization parameter to reduce
heating problem on mobile platform.
D0 means that the callback function is executed every time
the RAF is called (~60 fps);
D1 means that the function is executed every other frame
(~30 fps) , and so on.
When the the screen is touched, frame rate level will be
upgraded to the D0 level by default to provide a smooth
user experience.
The callback of Ticker is executed every how many frames, which is a performance optimization parameter to reduce heating problem on mobile platform.
D0 means that the callback function is executed every time the RAF is called (~60 fps); D1 means that the function is executed every other frame (~30 fps) , and so on.
When the the screen is touched, frame rate level will be upgraded to the D0 level by default to provide a smooth user experience.