# Beginners

**URL:** https://discourse.processing.org/c/processing/processing-beginners/14.md?page=41

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 42

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## [Does Processing Understand Scientific Notation?](https://discourse.processing.org/t/does-processing-understand-scientific-notation/969)

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**Author:** [@xxxlaf](https://discourse.processing.org/u/xxxlaf)\
**Replies:** 2\
**Last updated:** [June 14, 2018, 7:08pm UTC](https://discourse.processing.org/t/does-processing-understand-scientific-notation/969 "2018-06-14T19:08:44Z")

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Does processing know that when I type 6.673e-11 as a float it should come out 0.00000000006673 ? Thanks.

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## [How do you create a wall?](https://discourse.processing.org/t/how-do-you-create-a-wall/873)

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**Author:** [@Ssskyyy](https://discourse.processing.org/u/Ssskyyy)\
**Replies:** 6\
**Last updated:** [June 11, 2018, 5:04pm UTC](https://discourse.processing.org/t/how-do-you-create-a-wall/873 "2018-06-11T17:04:31Z")

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Hi there! I’ve just started with Processing and am still learning. But I’ve ran into a problem already. This is my code: int xPos = 25; int yPos = 25; void setup(){ fullScreen(); } void draw(){ //This is the bac…

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## [Random not working](https://discourse.processing.org/t/random-not-working/838)

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**Author:** [@pootis](https://discourse.processing.org/u/pootis)\
**Replies:** 3\
**Last updated:** [June 10, 2018, 8:08pm UTC](https://discourse.processing.org/t/random-not-working/838 "2018-06-10T20:08:51Z")

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im trying to get a ball to spawn on one of three heights: 100, 200 and 300. i set the random to produce a number from 1 to 3. when the outcome is 1 the height is 100, when it’s 2 the height is 200 and when it’s 3 the hei…

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## [Beginner/easy Platformer game example?](https://discourse.processing.org/t/beginner-easy-platformer-game-example/746)

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**Author:** [@tokyo](https://discourse.processing.org/u/tokyo)\
**Replies:** 7\
**Last updated:** [June 6, 2018, 1:26pm UTC](https://discourse.processing.org/t/beginner-easy-platformer-game-example/746 "2018-06-06T13:26:44Z")

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Hi, I’ve asked a couple questions here but was wondering if anyone had a platformer game example code that is very simple without much. I just need to get how to place platforms. Thanks!

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## [Snake game does not stop when snake touches itself](https://discourse.processing.org/t/snake-game-does-not-stop-when-snake-touches-itself/712)

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**Author:** [@rayanne](https://discourse.processing.org/u/rayanne)\
**Replies:** 1\
**Last updated:** [June 5, 2018, 2:32am UTC](https://discourse.processing.org/t/snake-game-does-not-stop-when-snake-touches-itself/712 "2018-06-05T02:32:06Z")

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I can not get the game to stop when the snake touches itself Help mee pleasse i have to finish it for tomorrow Thnx int \[\]\[\] fond; //tableau bidimensionnel int X; // position sur l'axe des X de la tete du train int …

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## [On Specifying the Renderer, sketch is taking too much time to open the Sketch](https://discourse.processing.org/t/on-specifying-the-renderer-sketch-is-taking-too-much-time-to-open-the-sketch/609)

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**Author:** [@Vivek](https://discourse.processing.org/u/Vivek)\
**Replies:** 2\
**Last updated:** [June 4, 2018, 1:15am UTC](https://discourse.processing.org/t/on-specifying-the-renderer-sketch-is-taking-too-much-time-to-open-the-sketch/609 "2018-06-04T01:15:42Z")

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I’m currently using Processing 3, version 3.3.7. PC Specs : Windows 10 Home Core i5 7200u 4GB RAM Intel Graphics 620 I’m beginner to Processing 3, so, I don’t know much about it now but the size function has three …

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## [What means RawY\[RawY.length-1\]](https://discourse.processing.org/t/what-means-rawy-rawy-length-1/341)

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**Author:** [@Tom](https://discourse.processing.org/u/Tom)\
**Replies:** 5\
**Last updated:** [May 29, 2018, 9:13am UTC](https://discourse.processing.org/t/what-means-rawy-rawy-length-1/341 "2018-05-29T09:13:11Z")

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Dear Processing specialists, I’m working with this project: https://github.com/WorldFamousElectronics/PulseSensor\_Amped\_Processing\_Visualizer I’d like to change the looks of the Processing window a bit: I’d like to red…

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## [Circles appear each time the tool hits the player -beginner pls help](https://discourse.processing.org/t/circles-appear-each-time-the-tool-hits-the-player-beginner-pls-help/388)

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**Author:** [@negulix\_niki](https://discourse.processing.org/u/negulix_niki)\
**Replies:** 5\
**Last updated:** [May 26, 2018, 1:20pm UTC](https://discourse.processing.org/t/circles-appear-each-time-the-tool-hits-the-player-beginner-pls-help/388 "2018-05-26T13:20:52Z")

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I am to trying to complete a project . It is like a game each time the tools come down the screen a circle should appear and fill the screen and if the tools hit the person in the game the circles turn to red. I know th…

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## [Play a video & a midi somehow in sync](https://discourse.processing.org/t/play-a-video-a-midi-somehow-in-sync/223)

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**Author:** [@e.oelberg](https://discourse.processing.org/u/e.oelberg)\
**Replies:** 29\
**Last updated:** [May 25, 2018, 12:15pm UTC](https://discourse.processing.org/t/play-a-video-a-midi-somehow-in-sync/223 "2018-05-25T12:15:29Z")

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Hi all I have a nice beginners question: I use a patch to play video over a led panel I built. For an installation I’d like to play a video and a midi file in the patch. both have to run somehow in sync. With somehow I …

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## [Loop arrayList Crossyroad](https://discourse.processing.org/t/loop-arraylist-crossyroad/258)

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**Author:** [@BP3d](https://discourse.processing.org/u/BP3d)\
**Replies:** 3\
**Last updated:** [May 22, 2018, 8:50pm UTC](https://discourse.processing.org/t/loop-arraylist-crossyroad/258 "2018-05-22T20:50:15Z")

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hi everyone im trying to loop the cars and train but cant figure out how to. ArrayList \<Car\> carsListTop; ArrayList \<Car\> carsListBelow; ArrayList \<TreeTrunk\> TrunkList; ArrayList \<Train\> TrainList; TreeTrunk \[\] ArrayT…

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## [Need Help for Game Over / Timer](https://discourse.processing.org/t/need-help-for-game-over-timer/246)

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**Author:** [@SlumzGG](https://discourse.processing.org/u/SlumzGG)\
**Replies:** 8\
**Last updated:** [May 22, 2018, 9:03am UTC](https://discourse.processing.org/t/need-help-for-game-over-timer/246 "2018-05-22T09:03:12Z")

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Hello, i’m really new to Processing, i need to make a game over when the balls touch the top or the bottom edge of the screen, another thing to stop the timer when it’s a game over. My code is really bad ( sorry, it’s …

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