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hi all,
i have a rectangle drawn with openGL. I want to rotate that rectangle based on mouse movement
i mean,when i move mouse on clockwise diretion, then the rectangle should move clockwise direction, and if i move the mouse on anticlockwise direction, then the rectangle should move on anticlockwise direction.
how can i do this in vc++

thank you in advance
Posted 9-Jul-12 20:35pm

1 solution

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Solution 1

Find the nAngle based on movement in X or Y direction...

glRotatef( nAngle, 0,0, 1 );
glRectf( -0.5, -0.5, 0.5, 0.5 );
Jijesh Balakrishnan 11-Jul-12 0:20am
Thank you for your reply
but i have one doubt, how can i get the value for nAngle?

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