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Chipmunk Physics • View topic - Dragging a circle with a mouse...

Dragging a circle with a mouse...

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Dragging a circle with a mouse...

Postby raden_muaz » Thu Apr 16, 2009 5:15 am

How do I drag a circle or any other shape with a mouse?
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Re: Dragging a circle with a mouse...

Postby Bauerpauer » Fri Apr 17, 2009 11:25 am

I accomplished this by adding active shapes to a body that is NOT added to the space, then directly setting body->p based on the mouse (or in my case, finger) position. The shapes are added to the space, not the body. I'm pretty sure this isn't the recommended way to do this, so I'm curious what others have done to get this working.
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Re: Dragging a circle with a mouse...

Postby slembcke » Fri Apr 17, 2009 1:51 pm

There is this code by supertommy that works with Chipmunk 4.1.0 for doing mouse control:
viewtopic.php?f=6&t=196

The code in trunk also adds a bunch of new controls for joints that can help make mouse control smoother and more stable. All of the default demos in truck allow you to grab shapes with the mouse.
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