Mouse Trail Javascript

Mouse

Returns which mouse buttons were pressed when the mouse event was triggered: clientX: Returns the horizontal coordinate of the mouse pointer, relative to the current window, when the mouse event was triggered: clientY: Returns the vertical coordinate of the mouse pointer, relative to the current window, when the mouse event was triggered: ctrlKey. JavaScript Cursor Trail 2/5 2 votes / 6,568 previews / 0 comment Add this classic Windows effect to your website! It renders a trailing cursor whenever.JavaScript Cursor Trail - Cursor Trail. Rotate the mouse wheel away from you. You will see one or more mouse-wheel events in the up direction. Rotate the mouse wheel in the opposite direction. You will see mouse-wheel events in the down direction. Try changing your mouse wheel's scrolling behavior your system's mouse control panel to see how the output changes. In this article, I have collected all events that can be generated with a mouse. In HTML 4 There are a few well-supported events ported by the previous version of the specification.

Answers

  • Answer ✓

    The PVector tutorial already provides a fairly good example of what (I think) you want.

  • edited November 2013Answer ✓

    Perhaps something like this 1 too? :D
    http://studio.processingtogether.com/sp/pad/export/ro.9GTDpA6dp4tH1/latest

  • edited November 2013

    Thanks a lot for you prompt response. I will try to use the information and then I will get back with my solution (if I find one).

  • Almost there:

    But I don't want the ball to be pushed. I need that the ball follow the mouse with some delay. Any ideas?

  • Try using GoToLoop's code with PVector. He uses an array for a reason, it introduces the delay you want, memorizing each step of the mouse (or at least a number of them).

  • OK, here is a version of GoToLoop's code, without tricks, with PVector.

  • Sounds good, but I need to present the result with the most simple solution possible. Is there any way to change something in my code to make it work?

  • Do you understand the idea of the implementation, particularly what the for loop does? And why it is necessary?

  • edited November 2013

    Just updating my example to ellipse() oldest entry only: <):)

  • I have some vague idea of what the code does... However, I don;t think I could explain it properly. GoToLoop code is really nice and is exactly what I want but I'm not sure what is going on in there!

  • edited November 2013

    Arrays x & y memorizes latest NUM mouseX & mouseY values.
    At each draw() iteration, those mouse coordinates enter those arrays from their tail. That is, their POS index.

    Of course, we gotta get rid of oldest entry to make room for newest coordinates!
    In order to achieve that, the for loop block rotates everything to left, towards the head.

    So oldest entry, which is the head index 0, is lost. And it's replaced by following index 1.
    In the end, latest POS index, which is tail index, becomes vacant.

    And thus we got room to store current mouseX & mouseY coordinates! :P
    And finally, an ellipse() is drawn using oldest entry, which is the head index 0! (*)

    As you can see, we got an emulated queue structure using array.
    That is, values get in from tail and get out from head. This is called FIFO. :ar!

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