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| 0 users currently in Craziness Domain. |
| User | Post |
| PrincessPeach Posts: 242/381 |
Originally posted by HyperHacker It's like, you have to know wich coordinates are occupied, and by wich element. I once did some colision detection in 2D, it's simple as long as it's rectangular.. |
| HyperHacker Posts: 3215/5072 |
Ooh, here's another one. When you do collision detection against a group of polygons in 3D, make sure you're adding the coordinates of the group as a whole to those of the polygons.  (Doesn't help when one of the groups is at (0,0,0), making the routine appear to work some times but not others.) |
| Tatrion Posts: 1889/2467 |
So guys, you wanna do my math work for me? 
*Get hit by a rain of thrown wooden chairs* |
| HyperHacker Posts: 3210/5072 |
I never paid much attention in math class, and now whenever I do 3D work I wish I had. I'm good at math in general but since I didn't really learn the formulas I always have trouble with trigonometry and it takes me a little while to remember how to do some things like algebra. I guess I'll just have to see if I can take a similar class in college. |
| Jagori Posts: 117/155 |
I used to plug away through the complex stuff and then make the dumbest mistakes. I'd be working out some triple integral, it'd simplify to "9+4" and then I'd write "15" or something like that. Luckily, that class's prof gave written exams instead of multiple choice so I'd still get most of the marks when I did that. |
| SuperLuigi64 Posts: 195/281 |
I always got FOIL until they put dang square roots with it. But the worst thing I did was used Distance Formula instead of Midpoint Formula on a couple of problems. |
| PrincessPeach Posts: 240/381 |
such basic math here in this thread...
Tatrion's t=(2(j-14)/(105d) spel werdz rite: Do you have some other equation for a system? Else you would be stuck with x(ax^2+bx+c)=d and finally xk's math: 4x x^2+4x+4 x^2+6x+9 16x |
| MathOnNapkins Posts: 770/1106 |
ha ha too late |
| Skreename Posts: 1062/1427 |
Dude... no. The cubic equation is not something you wish on people. Much less to have them post it on the board. |
| spel werdz rite Posts: 1285/1796 |
Okay, now solve for x mister "I beg to differ!"
0=ax³+bx²+cx+d (I'm afraid to know what this thread will turn into) |
| Black Lord + Posts: 175/273 |
Originally posted by windwakerOriginally posted by Tatrion I'd like to beg to differ, t = - ( ( 4 * ( j - 14 ) ) / ( 2.1 * 5 * d ) ) |
| windwaker Posts: 175/235 |
Originally posted by Tatrion it's impossible to find t based on that equation. |
| Dragon hellfire Posts: 24/162 |
Originally posted by Tatrion 7 |
| Kattwah Posts: 2792/3349 |
So... solve for t and leave the answer in terms of d and j...
As for mis-FOILing, shame Xk. Shame to the distributive property D: |
| Tatrion Posts: 1882/2467 |
You know what's REALLY bad?
"j = -5/4t * 2.1d + 14. What does t equal"? I mean what the HELL, there's too many letters  |
| Koneko Posts: 556/656 |
Yes, Tarale, that's what it is.
Also I don't know what I would do if I forgot how to algebra. Probably go all emo. |
| Tarale Posts: 1637/2713 |
Originally posted by Xkeeper Uhm... I don't do math (a fact I've told you recently, Xkeeper  ) but uh...
Wouldn't "FOIL" be first outer inner last ?? Uh... either you spelled FIOL or that's the booze talking... |
| Sweet Kassy Molassy Posts: 562/886 |
You don't need to shapeshift. Just do it for the courses that have very large sections and sit in the back. Chances are they're not going to call you on it. Especially if the person you're impersonating only goes to class to get the syllabus and take tests. |
| MathOnNapkins Posts: 768/1106 |
One of these days when I learn how to shape shift I'm going to make big $$$ taking people's math exams for them  . |
| spel werdz rite Posts: 1284/1796 |
I wonder why?
4x x²+4x+4 x²+6x+9 16x Math is the only uae I serve in life |
| This is a long thread. Click here to view it. | |
