math tag

12 questions

1 answers
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Radius pixels when the sphere is projected into 2D Image.

I understand that 3D spheres are projected in circles in 2D Image. Of course, it is not a complete circle, but I understand that it gets closer to the circle depending on the performance of the camera...

camera math

1 years ago

1 answers
78 views
0

Question about cos and sin in math function

I'm using OpenGl, and when I'm studying, do #include<math.h> and define #define PI 3.141592 in the code. glBegin(GL_POINTS); for (double angle = 0.0; angle <= PI * 2.0; angle += PI / 30.0) { ...

opengl math c++

2 years ago

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