Troubleshooting – Effects | Forum

Animated Quad (7 posts)

Topic tags: animation, quad, rotate

Viewing post 1 to 7 (7 total posts)

phoebus said 5 months, 2 weeks ago:

Hello together,
I´m new at jmonkey, so sorry for the noob questions
I have a quad which I want to rotate while the app is running. What is the best way to implement that?
I searched for mesh animation, but I only find examples to animate models make with blender.

thanks for your help!
Chris

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zzuegg53p said 5 months, 2 weeks ago:

I would use a custom control

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glaucomardano252p said 5 months, 2 weeks ago:

You rotate your mesh’s geometry. e.g: myquadgeo.rotate(0.1f, 0.1f, 0.1f);

if you wanna do it as a loop, put it in the SimpleApplication.simpleUpdate() method.

These links might helps you :

http://jmonkeyengine.org/wiki/doku.php/jme3:intermediate:simpleapplication

http://jmonkeyengine.org/wiki/doku.php/jme3:scenegraph_for_dummies

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mifth132p said 5 months, 2 weeks ago:

Try this:

http://code.google.com/p/jme-simple-examples/source/browse/JMESimpleExamples/src/MifthBasics/SpatialMotionsLinear.java

http://code.google.com/p/jme-simple-examples/source/browse/JMESimpleExamples/src/MifthBasics/SpatialMotionsNonLinear.java

http://code.google.com/p/jme-simple-examples/source/browse/JMESimpleExamples/src/MifthBasics/SpatialMotionsSmooth2.java

http://code.google.com/p/jme-simple-examples/source/browse/JMESimpleExamples/src/MifthBasics/RotateNode.java

http://code.google.com/p/jme-simple-examples/source/browse/JMESimpleExamples/src/MifthBasics/RotateNode2.java

and this: http://jmonkeyengine.org/wiki/doku.php/jme3:math_for_dummies

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phoebus said 5 months, 2 weeks ago:

Thank all of you for the fast replay!
I used the custom control and it rotate. But the quad rotate around on corner and not around the center. How can I fix that problem?
jMonkey is very cool, but hard to learn

Thanks
Chris

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normen1271p said 5 months, 2 weeks ago:

@phoebus said:
I used the custom control and it rotate. But the quad rotate around on corner and not around the center. How can I fix that problem?
jMonkey is very cool, but hard to learn

The center of the quad is at its lower left corner, add it to a node, move it half its width to the left and then rotate the node. Or move the quad’s vertices using the VertexBuffer. Also you mean game development there, not jMonkey

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phoebus said 5 months, 2 weeks ago:

Thanks, great! That was it.
Normen you are right

Have a nice day!
Chris

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