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Results tagged with mathematics
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user 10775
Mathematics questions deal with the arithmetic, geometry, calculus, formulae and other calculations used in the development of a game.
31
votes
4
answers
18k
views
How can I move an object in an "infinity" or "figure 8" trajectory?
When I want to move object around point I do:
point.x *= cosf(timer.timeElapsed);
point.y *= sinf(timer.timeElapsed);
How to make point move on eight or infinity sign trajectory?
- 1,490
3
votes
1
answer
3k
views
Negative scale in Matrix 4x4
After some rotations and to from quaternion conversions I get negative scale from Matrix 4x4, is it possible? I need that scale to draw sprite on screen so I get sprite flipped,
how to deal with this …
- 1,490
6
votes
1
answer
1k
views
Matrix represents same rotation with different euler angles
I have Transform component storing it's rotation as Quaternion.
Transform has set/getEulerAngles (rotation order oy, ox, oz).
I want to rotate object in any direction but while testing I get jumping(g …
- 1,490
4
votes
2
answers
2k
views
Ara matrices calculated on the GPU or on the CPU? Would built-in matrix functions be faster ...
If I add a math library (for example containing a Matrix class) and use it in my program drawing with OpenGL, will my be work slower than if I used standard OpenGL functions for matrix calculations? D …
- 1,490