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DarkBASIC Discussion / Ninja rope physics

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Drew Cameron
21
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Joined: 30th Jan 2004
Location: Scotland
Posted: 30th Jul 2004 02:29
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Anyone care to help with the 3D principles of swinging from a certain point ?

Just the theory behind it maybe to get me started...

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Kentaree
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Joined: 5th Oct 2002
Location: Clonmel, Ireland
Posted: 30th Jul 2004 02:45
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Swinging with a rope goes around a pivot point, and you're going to be the same distance away from that point no matter how far the swing goes, so your travelling in an arc. You can calculate the point using newzvalue and newyvalue (and maybe newxvalue, depending on other angles). What you'd do is increase the angle, so the swing goes forward, but decreasing the rate at which the angle changes so it stops at a certain point, and then, decrease the angle in the same way to make it stop on the other side. From here its not hard to implement that the swing gets less and less as time goes by.

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Drew Cameron
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Joined: 30th Jan 2004
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Posted: 30th Jul 2004 02:53
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I'll give it a shot.

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