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Poly Strip/Poly Ribbon/Poly Trail Questions

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I have a couple of questions. I am looking into programming Poly Strips into a game. I am not sure what their official name is, so I am having a hard time finding resources on it. They are really commonly used in Zelda games on sword slashed. Here are some pictures from Otogi that I found showing what they are. If anyone knows the real name of them or any resources on them I would really appreciate it. The game is DirectX. http://media.xbox.ign.com/media/482/482468/img_1773106.html http://media.xbox.ign.com/media/482/482468/img_1773113.html http://media.wii.ign.com/media/748/748589/img_4059265.html Thanks.

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Easiest would probably be to record the vertex positions of the sword/object each frame and string together a triangle strip from those points. The tricky bit is going to be deciding which vertices to track and record - if you're doing skeletanal animation you can probably tag a single bone as being a trail emitter and use the start and end points.

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I've worked on a couple titles that had effects like that. I don't think we ever had a standard name for them - they were always some kind of 'trail'. As for implementation, we generally just recorded the positions of bones (or special marker points attached to the skeleton) every frame, and then built geometry along that path.

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