| --- Log opened Fri Jun 20 00:00:04 2014 |
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| 01:24 | <&ToxicFrog> | McMartin: yes, that's the one |
| 01:24 | <&ToxicFrog> | Some of the hint files are only available in downloadable form to read with their $15 proprietary software. |
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| 02:17 | <@Alek> | UHS? I could have sworn I've had pirate readers for that on my 286. |
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| 18:50 | <&jerith> | http://euclidthegame.org/ |
| 18:59 | < VoiceOfReason> | How do I do anything? The game seems to be redering as a still image. |
| 18:59 | < VoiceOfReason> | In both Firefox and Chrome. |
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| 18:59 | < VoiceOfReason> | Nothing is clickable. |
| 19:01 | <&jerith> | It took a while to load for me. |
| 19:06 | < VoiceOfReason> | OK, it loaded eventually. |
| 19:14 | < VoiceOfReason> | Hmm. Level 5 was something unknown to me, but I figured it out by trial and error. |
| 19:16 | <@celticminstrel> | I suspect it might fail silently with cookies disabled. |
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| 20:03 | <&ToxicFrog> | Hmm. |
| 20:04 | <&ToxicFrog> | Level 5 appears to be broken. |
| 20:08 | < VoiceOfReason> | Strange. I got through it. |
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| 20:11 | <&ToxicFrog> | Got it. |
| 20:11 | <&ToxicFrog> | But before I got it, I got it with a much more complicated solution that it didn't accept. |
| 20:15 | < VoiceOfReason> | Hmmm. Seems I have the same problem with level 10. |
| 20:16 | <&jerith> | Finished all 20 levels. |
| 20:16 | <&jerith> | I had to look up solutions for two of them. |
| 20:18 | <&ToxicFrog> | Also, 9 is stupid because it requires that the point have name E |
| 20:19 | <&jerith> | It works fine for me even if the point is unnamed. |
| 20:20 | < VoiceOfReason> | jerith: What am I doing wrong here? http://i.imgur.com/ouq73P4.png |
| 20:21 | <&jerith> | Which level is that? |
| 20:21 | < VoiceOfReason> | 10. |
| 20:22 | <&jerith> | You have the compass2 tool, right? |
| 20:23 | < VoiceOfReason> | Yes... |
| 20:24 | < VoiceOfReason> | Yes, it works with that. |
| 20:24 | < VoiceOfReason> | But not in my roundabout way. |
| 20:24 | <&jerith> | I just did it your way and it worked. |
| 20:25 | < VoiceOfReason> | Huh. |
| 20:25 | <&jerith> | I think the tool is a bit buggy. |
| 20:27 | | * jerith plays a bit of AI War before supper. |
| 20:38 | < VoiceOfReason> | noideawhatimdoing.jpg http://i.imgur.com/1hlhz2R.jpg |
| 20:38 | <~Vornicus> | The heck are you trying to do there? |
| 20:40 | < VoiceOfReason> | Rotate and move that angle to put it on the blue line. |
| 20:42 | <~Vornicus> | so, tranfer angle abc to go off of the ray starting at D instead? |
| 20:42 | < VoiceOfReason> | Yeah. |
| 20:42 | < VoiceOfReason> | Level 12 was fun. |
| 20:43 | <~Vornicus> | What's that last tool? duplicate line? |
| 20:43 | <&jerith> | Vornicus: Translate line. |
| 20:43 | <&jerith> | Makes a new line segment with the same orientation and length as the source, but in a different place. |
| 20:44 | < VoiceOfReason> | I did it a little bit differently than the commenters - by using two random bowstrings, triangles constructed on them, and bisection of the triangles' angles. |
| 20:46 | <~Vornicus> | ah. more power than you need, to be fair; you don't need to keep the orientation. translate AB and AC to start at D, draw circles, intersect circle around D through B' with the ray at E, translate BC to start at E, circle, and intersect DC' that last circle at F, ray DF is your winner |
| 20:48 | <~Vornicus> | ('make a line of the same length start somewhere else' is like thing #2 that euclid does) |
| 20:48 | < VoiceOfReason> | Ugh. Level 14 doesn't recognize my solution. |
| 20:49 | <&McMartin> | So wait, is this basically Pons Asinorum, the game? |
| 20:51 | < VoiceOfReason> | Oh, wait, no. It might not be the solution, I just can't see close enough and the game engine implies a potential falsehood with the intersection placing. |
| 20:51 | <&jerith> | Something like that, yes. |
| 20:57 | < VoiceOfReason> | OK, no, this is the solution. But not recognized. |
| 20:59 | < VoiceOfReason> | Oh, I see. Welp. That was silly of me. |
| 21:05 | <~Vornicus> | 14 doesn't recognize my solution either. what'd you do silly? |
| 21:06 | <~Vornicus> | (this is the first time it hasn't recognized a solution for me) |
| 21:08 | < VoiceOfReason> | You need to bisect two angles to find the center, then draw a perpendicular to that point THEN draw the circle. |
| 21:09 | < VoiceOfReason> | I had foolishly assumed that one of the lines was already perpendicular to a tangent, but it only looked like that due to chance. |
| 21:10 | <~Vornicus> | that's weird indeed. |
| 21:11 | | * Vornicus pokes his |
| 21:11 | <~Vornicus> | there it goes, silly thing |
| 21:12 | <~Vornicus> | For some reason it wanted the pointwise bisector for me. |
| 21:13 | <&McMartin> | Man, it didn't accept my solution for 3, because I did it "by hand" instead of using a tool |
| 21:15 | <~Vornicus> | heh |
| 21:16 | | * ErikMesoy faffs about on level 7. |
| 21:17 | | * VoiceOfReason grapples with level 15. |
| 21:17 | <@ErikMesoy> | I think this is really ugly, but eh. |
| 21:21 | < VoiceOfReason> | Pfew. This was tricky. |
| 21:21 | < VoiceOfReason> | I did not remember how to do this one. |
| 21:24 | | * Vornicus completes all the levels. |
| 21:25 | <~Vornicus> | 20 was kind of a surprise, actually. I know how to do it but it depends on several concepts you don't meet in the course~ |
| 21:26 | <@ErikMesoy> | "Find the center of the circle." First one that has me sitting around scratching my head. |
| 21:27 | <~Vornicus> | ErikMesoy: given two points, can you find the set of all points that are the same distance from both of those? |
| 21:27 | | * ErikMesoy eventually gets it. 13 seems easy by comparison. |
| 21:28 | < VoiceOfReason> | 13 was the tangent? |
| 21:29 | <@ErikMesoy> | Yes. |
| 21:31 | < VoiceOfReason> | That one WAS easy. |
| 21:33 | <~Vornicus> | there's a few issues with the program. I couldn't get it to -- on that one where you need to draw a perpendicular from a distance -- pick the right point, because my circle wasn't quite big enough) |
| 21:33 | <~Vornicus> | Man my bracket discipline is Worst Ever. |
| 21:33 | < VoiceOfReason> | That's a paren. :V |
| 21:34 | <~Vornicus> | Silence, mendicant |
| 21:34 | | * VoiceOfReason fondly recalls Groo. |
| 21:35 | <~Vornicus> | Also I kept getting spurious rays whenever I tried to make one |
| 21:37 | <~Vornicus> | (in 20, to complete it you need to know that, for instance, the angle from a point on the circle to the endpoints of the diameter is a right angle) |
| 21:40 | | * VoiceOfReason gets to 19. |
| 21:41 | < VoiceOfReason> | Man, I don't know this one. I faintly recall such a thing being possible, but outside of the curriculum. |
| 21:41 | | * ErikMesoy is at 17, and catching himself in "Think before you start drawing". :D |
| 21:42 | <~Vornicus> | draw a short line, duplicate three times off one of the endpoints |
| 21:42 | < VoiceOfReason> | HA! I did it by trial and error! |
| 21:43 | < VoiceOfReason> | I did 19 by making a equilateral triangle, bisecting its angles, then bisecting those. |
| 21:44 | <~Vornicus> | ...wat |
| 21:44 | <~Vornicus> | oh, right, because it's 1/3 of the way up |
| 21:44 | < VoiceOfReason> | Same thing as commenter Tim did. |
| 21:45 | <~Vornicus> | I saw another clever way of doing this once; draw a rectangle ABCD; find E bisector of CD. EA and BC now intersect at 1/3 of the way along |
| 21:46 | | * Vornicus wanders off. |
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| 21:50 | < VoiceOfReason> | Hmm. No idea about 20. |
| 22:05 | | * ErikMesoy boggles at 19 for a bit before he realizes it's not actually isomorphic to trisecting the angle, which is known impossible. :p |
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| --- Log closed Sat Jun 21 00:00:20 2014 |