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1
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2answers
40 views

how to handle the virtual Z axis in 2D games?

I'm using this paper 2d framework of UE4 where a plane mapped with sprite texture is put in 3d world and therefore appears as 2D when viewed from sideways. Its all good for games like NES mario where ...
2
votes
1answer
52 views

How to change XNA coordinates directions?

Usually XNA increases X coordinate to right and Y to down. Like this: But in my project i have 2D map. Drawing tile with bigger Y coodinate below OX looking strange (usually people imagines these ...
1
vote
0answers
37 views

How to find or compute or look for overall/max RPM by simply checking for rotation?

I find it hard to determine the wheel RPM since I'm only making a simple 2D game of rotating object via Z-axis. I wanna try this solution but I got no change since I'm trying to find the RPM from a ...
1
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0answers
145 views

PhysX - Revolute joint around unit vector

I'm using a right-handed coordinate system with (0,0,-1) = forward, (1,0,0) = right and (0,1,0) = up. PhysX version is 3.3.0. I have a unit vector which represents the axis around which my actor is ...
1
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0answers
304 views

Separating Axis Theorem Issue

I am trying to create a 2d top down shooter using DirectX 11 (Windows 8 Store) and I am trying to implement OOBB collision using the Separating Axis Theorem. However I appear to have run into an ...
1
vote
0answers
676 views

Move parent according to child axis in Unity?

Can I ask my parent to move according to the child axis? This means if I turn right, then right again, the parent has to be at 180° from its original position, and not only at 90° (because "Right" ...
0
votes
0answers
28 views

How to convert Non-Axis Aligned Bounding Boxes to AABB

I'm trying to write a raytracer to render boxes (cubes) that are arbitrarily rotated, i.e. not necessarily axis aligned. While I'm reasonably comfortable ray-tracing an axis-aligned cube, I don't know ...