hbdevelop1

12 years, 11 months ago

I am Sorry. It was my mistake : I had one glPushMatrix in excess elsewhere in the code. So at the end of each frame, I had a matrix forgotten in the stack. and at the 32nd frame…

12 years, 11 months ago

Hello,   I have noticed that I don't get the same matrix I pushed !! Does anybody have an idea ? Thank you   Here is the code I am using:   #include <assert.h&…

12 years, 11 months ago

13 years, 9 months ago

Hello, I have noticed that the basic 3D rotation matrices in  http://en.wikipedia.org/wiki/Rotation_matrix rotate vectors clockwise and not counter-clockwise, when the axis…

13 years, 8 months ago

Hello, With the two quaterions q1=q2=(cos theta/2, sin theta/2, 0, 0) Does the product q1q2 yield a third quaternion q3 equals (cos theta, sin theta, 0, 0) ? This is the result…

13 years, 9 months ago