Core
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Posts posted by Core
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Knuckles is mistakenly referred to as a "mole" in the OVA rather than and echidna.
That's probably because the Japanese word for "echidna" literally means "needle mole" (just like the Japanese word for "hedgehog" literally means "needle mouse").
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If you have DeltaX = -15 and DeltaY = -9, then the angle is:
angle = atan(-9 / -15) = atan(0.6) = 0.54 radians
or 31 degrees (= 0.54 * 180 / pi)
I think luksamuk made a mistake; what he calls angleInRadians should be the angle in degrees. An arctan function normally returns the angle in radians, so if you need it in degrees you'll have to convert it.
Apparently the ATan2 function did give you the right angle in degrees directly, though it subtracted 180° because you gave a negative DeltaX. Normally you should calculate like this: DeltaX = X2 - X1, rather than X1 - X2. Same with DeltaY.
If you give positive numbers to the ATan2 function it should give you the right angle.
If you need the angle in radians:
angleInRadians = angleInDegrees * pi / 180
I don't know if you will need it; it depends on what you need the angle for.
By the way, here you end up with a positive angle for a downward slope. I don't know how Sonic games are made, but I'm used to the opposite: positive angles for upwards slopes and negative angles for a downward slopes, because I use a upward Y axis (basically I would have DeltaX = 15 and DeltaY = -9). Maybe that's normal for Sonic games, but you should check to be sure.
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The link to the video doesn't work for me. This one works:
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To be honest, the one in the air doesn't really look like a cactus to me.
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Sorry about the controller configuration. I initially wanted to have the user assign a button by pressing it, the same way it's done with the keyboard keys. But I couldn't make it work... so instead you have to select the buttons/axes from a list, and if you press a button its number is displayed. It's not ideal, but it should be usable enough...
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Thanks a lot for your feedback.
I know the camera needs work, but from what I understand in your video, you use the keyboard to jump/roll and the mouse to move the camera. This is strange, because you're supposed to either use the keyboard only (with the C key to move the camera), or use the mouse buttons to jump/roll while moving with the arrow keys.
In any case, it is true that the level design needs work. I'm not too good at it, but I'll try to improve.
I've already been told that Sonic should have a shadow, but I have no idea how to implement it...
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I remember the sounds were stuttering at times, but I think it was related to the slowdowns.
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Agreed. I prefer the blue one, but I think something in-between could look better.
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Is it just me, or does that look like an awful lot like the Flying Battery ship you see in Mushroom Hill Zone?
Isn't it supposed to be the same ship?
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Quick poll: do you think it would be better if I replaced the Insta-Shield with a Homing Attack?
It may be too difficult to hit enemies without the Homing Attack, but I fear it would become too easy with it.
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@TailsSena: adding DirectX support is probably something I should do; the problem is that I've never used DirectX and don't know how to use it. I think I'll look into it once the game is finished.
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This is what the end of the level looks like. Thoughts?
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It looks nice. But maybe you could try adding some lines to connect the ivy leaves so that it looks more like ivy?
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@Sparks: it looks very nice. I really like the design.
@Delta Hedgehog: it's pretty. I think I like it better with the ivy.
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In NiGHTS Journey of Dreams, the rings were a single model (made of many identical blobs) with each blob associated to a different bone. I know nothing about GML though, so I don't know if that's the best way to do it.
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@justin123: thanks for replying. Sorry about the camera problems; I'll try to fix the camera before SAGE.
@TailsSena: I don't think rendering unused geometry would slow down the game so much; the problem seems to come from somewhere else. Maybe the game is using too much resources. Or maybe your OpenGL drivers are too old. I don't know if you can update them.
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Thanks for the offer, but now that I've released a new version I'm not currently looking for beta testers to test the game privately. However, you're more than welcome to try version 0.5 and post feedback here.
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Thanks for the replies.
Camera collides with the ground but not the walls.
Yeah, camera is supposed to collide with the walls but it often manages to get through... Don't know why, but I'll try to correct that.
@TailsSena: only 7 FPS!? Now that's worrying. It also seems that most of the drawing time is spent drawing something else than the 4 things displayed... I don't know what could take so much time. Or why you're spending so much time waiting.
I'll try to find ways to make the game run better, but I'm a bit lost here.
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Since some people have framerate issues, I've made a special version that display the framerate and the time taken by several functions.
So, if you have framerate issues, please try this and tell me what it shows (for example, what takes the most time and what framerate you have compared to what you're supposed to have), so that I may know what I need to improve.
(note: the game's framerate should actually be 1 or 2 FPS higher than what the setup program says)
(by the way, I've reduced the gravity a bit, which causes other problems that I will correct later. Please ignore them and just look at the numbers)
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I experienced a lot of slowdown with my computer. With the heat wave, framerate is really instable. It can go up to 120 FPS (according to Fraps); it usually varies between 80 and 110 FPS, but sometimes it drops and at times the games freezes for a while. With the 2 other versions, the framerate is more consistent and varies between 50 and 60 FPS, but sometimes it drops.
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Heh, you're right. I'll put a limit at 200 rings, else the insta-shield becomes too big beyond that.
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What kind of game are you making? I think you should try not to use more than 3 buttons.
If you really need more buttons than A,S,D I think I would prefer A,S,D,Q,W,E. Or if you need only one extra button, A,S,D,Shift.
(But it would be nice to give the player the option to reconfigure the keys, since I'm actually using an AZERTY keyboard.)
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I don't get it. You said you want rings, enemies, items and bosses models; there's all of that on the Sonic Colors page.
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I was still wondering about power-ups, and in the end I've decided to add invincibility.
But instead of being activated immediately, you can activate it whenever you want (by pressing the roll key during a jump). That way you can save it for later if you want (and I don't have to worry about placing it where it's useful).
This little icon appears when you have an invincibility that you can activate:
And invincibility looks like this:
(yeah, I'm not an artist. But it looks a bit better in motion.)
I've also found a use for the rings: now they increase the size of the Insta-shield. Compare:
The more rings you have, the bigger the Insta-shield is. There's currently no maximum.
Thoughts?
Also, I'd like to ask again, does anyone think that Sonic is too small or that the plants are too big? I need another opinion.
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Yes, I do know about Model's resource.
And what's wrong with it?
How to determine slope angle in a tile based engine?
in Game Project Assistance
Posted
This is how I would do it:
You may want to switch the positive and negative values if you're using a downward Y axis. In any case, I think it's important to keep the distinction between positive and negative angles, and between acute and obtuse angles.
I would think that depends on the engine, not on the programming language. C for example doesn't impose anything; I just prefer to use an upward Y axis because it's similar to the trigonometric circle. But either way it's fine; you just need to make sure all the calculations are consistent.