I know opengl has the functions I need, as I can draw an object rotated on all 3 axes. However, if I want to find the velocity of an object given 3 rotations (around x,y, and z axes) and put it into a vector giving x, y, and z speeds, is there anyway to get ogl to do this for me?

should i post this in a different forum?

Overmind

10-31-2005, 12:43 AM

Just calculate it yourself.

x = v * cos(theta) * cos(phi)

y = v * sin(theta) * cos(phi)

z = v * sin(phi)

Where theta and phi are the angles and v is the speed.

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