Apr 16 2019 Sphere - Cone Intersection

4 minute read.

Dur­ing my bach­e­lor’s the­sis about view culling for VR us­ing cones as view vol­umes, I med­i­tat­ed on dif­fer­ent in­ter­sec­tion al­go­rithms. Find my last blog post on this top­ic here: Ax­is-Aligned Bound …

Nov 08 2018 Vimscript: Run Command in Terminal

~ 2 minute read.

A more re­cent vim fea­ture is :term, the abil­i­ty to have a ter­mi­nal in­side vim. This su­per use­ful fea­ture now al­lows you to switch be­tween your code and asyn­chro­neous­ly run com­pile com­mands very …

Jul 06 2018 SQLite3 in Unreal Engine 4

~ 3.5 Minute Read.

I re­cent­ly came across a use case for hav­ing a small lo­cal data­base to store some sta­tis­tics in an Un­re­al En­gine 4 project. I found CISQLite3, a plug­in by con­flict.in­dus­tries, who …

Jul 05 2018 Axis-Aligned Bounding Box - Cone Intersection

~ 4 Minute Read.

Dur­ing my bach­e­lor’s the­sis about view culling us­ing cone view vol­umes, I had to fig­ure out whether an ax­is-aligned bound­ing box over­laps a cone.

And when I say fig­ure out, I mean that I didn …

Jun 23 2018 Data Recovery

~ 2 Minute Read.

I spent the last three days re­cov­er­ing old projects.

There is this one 2TB ex­ter­nal hard drive I had for ages, bro­ken for six years – yet I nev­er threw it away or tried to for­mat it to maybe be …

May 18 2012 Copying Pointers does not do the job.

When shoot­ing bul­lets, en­ti­ties must be able to copy a bul­let en­ti­ty. That bul­let en­ti­ty is stored as a point­er in that en­ti­ty, which has the abil­i­ty to shoot. Okay, then let’s cre­ate …

Aug 21 2011 back-face culling

I re­cent­ly found a tu­to­ri­al on back-face culling. It means telling OpenGL not to draw in­vis­i­ble faces (faces on the back side ;) ) of a mesh, which does speed up the ren­der­ing a lot.

I was look­ing for some­thing …

Aug 10 2011 Mouselook and SDL - Code

Okay, here is some code for mouselook with SDL…

struct {
              int x, y;
              //In this case: the position where the mouse is held at
              bool trap; //flag for holding mouse at one place
          } mouse;

          void MouseMotion(){
              /* Set x and y to the current mouse position */
              int x, y;
              SDL_GetMouseState(&x …