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Stopping my character collapsing About Truespace Archives These pages are a copy of the official truespace forums prior to their removal somewhere around 2011. They are retained here for archive purposes only. Stopping my character collapsing // New Users 1  |   Order by default Post by cdg123 // Jan 15, 2009, 12:30pm cdg123 Total Posts: 3 As a complete new user to trueSpace I am starting to get to grips after reading through the helpfiles but I have a problem I'm sure is simple to resolve for anyone with a bit of experience. I'm trying to create an animated scene where my character walks along and pushes a large object along. I have got the character walking fine but when I decided to add physics properties, so that it would interact with the object, my character simply collapses with gravity when I run the simulation!! What am I missing? Do I need to add a force opposite to gravity or some form of lock on the character? All help much appreciated Chris Post by TomG // Jan 15, 2009, 1:15pm TomG Total Posts: 3397 You have to exclude your character from having physical properties. The manual has some tutorials on how to set up the interaction between characters and objects. Note you can keyframe with the character non-physically driven and pushing physically driven objects, then swap around to create keyframes where the character is physically driven - so the char could push a box up to frame 400, where they become driven by physics in order to be knocked over by a car. The manual contains some tutorials on those sort of set ups, how to mix and match and swap from making the character driven by the skeleton and keyframes, to being driven by physics. Note that as soon as a char is affected by physics, they will fold up and collapse :) They don't have anything holding them up under those conditions! HTH! Tom Post by cdg123 // Jan 16, 2009, 12:02am cdg123 Total Posts: 3 Tom Thanks that all makes sense and I'll have a good scan through the manual again so it sinks in. Is it possible to make gravity 0 to stop the character collapsing? Chris Post by mrbones // Feb 4, 2009, 11:19am mrbones Total Posts: 1280 You can apply locks to the head or shoulder bones and adjust there physical settings to keep the skeleton from collapsing or slow down the collapse, Also if you choose actor, arrow down once and then apply phys prop to the skeleton level(not actor top level) The skeleton will not collapse, it will just stand there and move a little bit. Worth experimenting ... Tom Thanks that all makes sense and I'll have a good scan through the manual again so it sinks in. Is it possible to make gravity 0 to stop the character collapsing? Chris Post by TomG // Feb 4, 2009, 1:16pm TomG Total Posts: 3397 The best solution is still not to apply physics to the character at all, and just let it run via standard keyframe animation. What effect are you looking from for the character that you want physics to simulate? HTH! Tom Post by cdg123 // Feb 9, 2009, 3:45am cdg123 Total Posts: 3 What I am trying to do is to animate a character that pushes some text along as a video title sequence. I was so impressed with physics that I thought it would be good to get the character to push the text as a physics interaction rather than to animate it. After reading many posts though it may be best to do a combination of both to develop the walk cycle and then to mix that with the physics action on the text. Thanks for your replies so far folks. Post by frootee // Feb 9, 2009, 3:52am frootee Total Posts: 2667 There's a chapter in the manual about characters and physics. Also, there is a sample scene in the Scenes - Base library: Pushit Tankgirl is pushing a box. Looks like IK was used to generate physics. That may help. :)

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