Algodoo

The scaling in the textureMatrix may be off. I used 0.63 / radius ^ 1.25.

faytree,

I have multiple versions of Algodoo on my PC. I rename the folder for the older version before installing a newer one. I put shortcuts to each one on my desktop.

Nicely done. I'm sure this scene will be a "big hit".

Nicely done scene and explanation.

egkteam,

Yes, I used 2.0.2 b15 to make the scene, but ut shows up as " Algodoo v2.0.2 Edu" in the "made with:" field.


Kilinich,

Yes, it has some serious lag. 8.5 FPS on a 10 year old PC with XP.

Kilinich,

I'm open to suggestion. I tried using half the number of hinges by using the bendConstant and hingeConstant properties to control elasticity. It ran twice as fast (which was still extremely slow), but the stress distribution was not as uniform as this scene.

Interesting. It makes me think; "What is the minimum slope this will work on, and why?".

faytree,

Thanks for the info. Regarding °C or °F, it should work OK with either. Either way, that 350 degree room may be a little hot. It could be considered the inside of an oven.

I had made a scene that has similar function, but is not quite as good looking as this scene. See Auto-Trailing Autos

Nait,

A 4° slope does not work for me. The mechanism gradually slows down. I think that the minimum slope would be equal to the ArcTan(mechanism friction/mechanism weight). I measured the friction by pulling the mechanism behind a vehicle with a spring*. The friction force was 134.3N. The mechanism weighs 711.4N. The calculated angle is 10.7° (plane angle = 1.384).

*I calculated the spring force by plotting the spring potential energy, exported results to Excel, got the average spring energy, and then calculated the force = (2*PE*k)^0.5. I then verified the spring force by using "show forces".

That was quick. Great hint

Nicely done. I like the magnetic key holders and the fact that the keys stay horizontal for easy manipulation.

Big hint: I can figure this out by using three common Ctrl key functions.

Nait,

I made this while thinking about your Passive Teo Jansen scene. I figured that, since the rolling friction was low, it would not take much slope (< 2 milliradians) to keep this rolling.

egkteam,

Q: How to know your FPS?
A: Algodoo > File > Show sim-info

Cool. This could be used for special effects. Maybe shoot someone and have a limited time bleedout. I'm not into that, but judging from the number of guns and tanks on Algobox, I'm sure some other users are.

Nice looking train.

Helpful hints:

1. The scene will run much faster if you:
a) Use boxes and circles in place of polygons whenever possible.
b) Use fix joints in place of axles to hold stuff together.

2. Set polygons to 99% "A" (alpha or opacity) for sharp polygons.

Nicely done. Very responsive.

P.S. I noticed that the screenshot thumbnail in Algobox does not match your scene. Can you explain how to change the automatically saved thumbnail or direct me to a url that explains it?

P.P.S. Ok. So I see that the scene does not show tracer paths on loading, but the question still remains: Is there a way to modify a scene's saved thumbnail and still be able to load the scene into algobox?

faytree, I respectfully disagree. If kids can handle all the death and destruction on Algobox, then they should be able to handle a little shit.

Number of scenes with the following words in the title:

bomb: 491
kill: 187
pistol: 149
shit: 11

This is a reflection on our society. We are disturbed more by shit than with killing. Up with shit, down with war!

OK faytree. Maybe not "up with shit" but still "down with war".

Xray,

This scene is concerned with just one aspect of your KEYBOARD DECODER scene, that is the code to do only one action when a laser is activated. The code to do this in the KEYBOARD DECODER scene resides in (4) objects and was difficult for me to follow. The One Hit Wonder scene contains two examples; one with all the code in the laser and a second example with all the code in a box. In both cases the code resides only in one object. I was not trying to recreate your scene. I just wanted to try simplifying one function.

Regarding your statements and questions:

S: It appears to have many more limitations than my Keyboard Decoder scene.
R: Yes. The scene is intended to address just one aspect.

S: You need to substitute the Shift key for the Spacebar.
R: Yes. I took the easy way out since I did not want to copy you and I could not improve on what you had already done.

Q: What good is cycling through numbers 0 - 9?
A: The demo shows how there is one action for each key hit. If you hold the key down indefinately, the number will not change. By the way, the numbers do not cycle 0-9, they continue to count up with each key press.

S: I don't see how yours can be any more useful than mine. Please explain.
R: The only usefulness I see is code simplification for the one function.

S: I force Algodoo to continue to run in my scene is so that the Spacebar can be used to enter a SPACE character.
R: That is what I figured, and it seems reasonable to me.

S: Those little boxses with the two lasers in them are a design by Kilinich.
R: So it was Kilinich who was making my head hurt. It wouldn't be the first time. He is a far more advanced programmer than I am.

Good. Right - Acceleration.

Order before midnight and we will include a free eye patch.

You can modify the script to allow the user to back away from the object after the car is automatically stopped. If you had a variable that recorded the direction of the car then you could change the laser sensor script to "If car is going left then stop, else do nothing".

Good! Works best in Phun.

Great demo. This should save many people a lot of time figuring out how texture matrix works. It also encourages others to try it out.

Nicely done.

Interesting. You might like Oscilloscope which uses the same principle.

Nicely done, looks just like the ones in the Sci-Fi movies.