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Version
1.00
Size
47.29 Kb
Updated
9 years ago
Released
29 Aug 2009
Screenshots
Description
With the BallsBounce app, you can place between 1 and 50 balls on the screen and then sit back to watch them bounce off the walls and collide with one another. You have control over the number of balls, the size of the balls, the temperature (this sets their speed – set it to very cold to see the balls in slow motion), and whether the balls collide with one another or not.
In addition, you can choose to use random colors, or set the colors of the balls yourself. Ball 1 (the ball that is drawn on top of the others) can be set to one color, and the remaining balls can be set to a different color, to make it easy to follow one of the balls. The “random colors” toggle switch over-rides the color sliders for the other balls (except the transparency slider), if it is on.
See if you can find the settings that correspond to the pictures shown here, and then adjust the settings to see how things change.
While it is fun just to play with the settings and watch the balls, you can, if you want, use the app to investigate some basic physics and chemistry ideas, including color addition, the behavior of ideal gases, Brownian motion, crystal structure, and phase transitions. If none of that means anything to you, dont worry about it – just have some fun with it.
Estimates
Availability
Devices
iPhoneFirstGen
iPodTouchFirstGen
iPodTouchSecondGen
iPhone3G
iPhone3GS
iPadWifi
iPad3G
iPhone4
iPodTouchThirdGen
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
Pricing by country
| Country | Price |
|---|---|
| USA | 0.99 USD |
