Data about a single finger in a multitouch event.
Each touch event is a collection of fingers that are simultaneously in contact with the touch device (so a "touch" can be a "multitouch," in reality), and this struct reports details of the specific fingers.
The finger ID
The quantity of pressure applied, normalized (0...1)
The x-axis location of the touch event, normalized (0...1)
The y-axis location of the touch event, normalized (0...1)
SDL_GetTouchFingers
See Implementation
Data about a single finger in a multitouch event.
Each touch event is a collection of fingers that are simultaneously in contact with the touch device (so a "touch" can be a "multitouch," in reality), and this struct reports details of the specific fingers.