Hi all,<br><br>I have created a 2d grid in msd and I have a question regarding the use of force...<br><br>I'm going to have to mix my metaphors here I think:<br><br>Is it possible to send force so it acts almost like in layers so that, say, I have my grid;<br>
._._._.<br>|._._._.|<br>|._._._.|<br>|._._._.|<br><br>which is fixed.<br><br>I would then like to add a ball (for want of a better descriptor) which can travel around the grid by being 'blown' by an overall x,y type force (which I already know msd has/can do). On top of this I would like the separate masses and links to be capable of speeding up and slowing the 'ball' as it travels around the space.<br>
<br>Pinball on train-tracks sort of thing (how's that for a simile:)<br><br>Is this even possible and if so how do I go about it?<br><br>Also, what's the best way of doing the grid? At the moment I have one version where all the masses are fixed and another where just the corners are fixed.<br>
<br>Many thanks in advance,<br><br>Julian<br>