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The when () key pressed block fires both when the up and down keys are pressed and when the mouse wheel is scrolled up or down, while the key () pressed? block only returns true if the arrow key is being pressed.
Add these scripts to the project:
when [up arrow v] key pressed if <not <key (up arrow v) pressed?>> then . . . // scrolling up end when [down arrow v] key pressed if <not <key (down arrow v) pressed?>> then . . . // scrolling down end
- Making a webpage in an Operating System
- Scrolling a menu in a project
- Zooming in in a art project