# Arcade **URL:** https://forum.makecode.com/c/share-your-arcade-projects-here/5.md?page=397 [Latest](https://forum.makecode.com/latest.md) · [Categories](https://forum.makecode.com/categories.md) · [Tags](https://forum.makecode.com/tags.md) **Page:** 398 --- ## [TechTalk - Alex and Gus talk about MakeCode](https://forum.makecode.com/t/techtalk-alex-and-gus-talk-about-makecode/569)
**Author:** [@Vidget](https://forum.makecode.com/u/Vidget)\ **Replies:** 1\ **Last updated:** [September 26, 2019, 8:36pm UTC](https://forum.makecode.com/t/techtalk-alex-and-gus-talk-about-makecode/569 "2019-09-26T20:36:01Z")
Alex and Gus talk about Make Code and the last MakeCode Arcade Game Jam. TechTalk Video Post --- ## [Dragging images into the background image editor](https://forum.makecode.com/t/dragging-images-into-the-background-image-editor/400)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 6\ **Last updated:** [September 24, 2019, 1:00pm UTC](https://forum.makecode.com/t/dragging-images-into-the-background-image-editor/400 "2019-09-24T13:00:28Z")
What’s the expected behaviour if an image is dragged into the background editor? I’ve tried dragging png files into the editor (and the gallery section) and behaviour seems to vary in non-useful ways. If I drag a 160x120… --- ## [Demonstration of the sprite editor](https://forum.makecode.com/t/demonstration-of-the-sprite-editor/560)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 0\ **Last updated:** [September 23, 2019, 2:24pm UTC](https://forum.makecode.com/t/demonstration-of-the-sprite-editor/560 "2019-09-23T14:24:40Z")
I just put together a short demonstration video (animated gif) of the sprite editor. It’s low on artistic value but it covers all the functionality: --- ## [THAAD, a missle command game](https://forum.makecode.com/t/thaad-a-missle-command-game/556)
**Author:** [@jlj1978](https://forum.makecode.com/u/jlj1978)\ **Replies:** 5\ **Last updated:** [September 22, 2019, 1:10am UTC](https://forum.makecode.com/t/thaad-a-missle-command-game/556 "2019-09-22T01:10:15Z")
Made in blocks Update: --- ## [Why is the speed up to 153 floating point numbers?](https://forum.makecode.com/t/why-is-the-speed-up-to-153-floating-point-numbers/255)
**Author:** [@hogan](https://forum.makecode.com/u/hogan)\ **Replies:** 5\ **Last updated:** [September 20, 2019, 8:59pm UTC](https://forum.makecode.com/t/why-is-the-speed-up-to-153-floating-point-numbers/255 "2019-09-20T20:59:57Z")
… --- ## [stanger thing part 3 - Microsoft MakeCode](https://forum.makecode.com/t/stanger-thing-part-3-microsoft-makecode/332)
**Author:** [@Ushnagra](https://forum.makecode.com/u/Ushnagra)\ **Replies:** 1\ **Last updated:** [September 19, 2019, 6:46pm UTC](https://forum.makecode.com/t/stanger-thing-part-3-microsoft-makecode/332 "2019-09-19T18:46:34Z")
--- ## [Pac-Man AI](https://forum.makecode.com/t/pac-man-ai/550)
**Author:** [@jlj1978](https://forum.makecode.com/u/jlj1978)\ **Replies:** 5\ **Last updated:** [September 19, 2019, 6:44pm UTC](https://forum.makecode.com/t/pac-man-ai/550 "2019-09-19T18:44:47Z")
I made a Pac-man AI in blocks. You are Blinky, the Red Ghost and have to chase Pac-man. The Pac-man AI is loosely based on the original ghost ai by Dr. Iwatani at Atari, but has three modes. Feed Mode, which is random… --- ## [Old-school Dungeon Crawler (Game)](https://forum.makecode.com/t/old-school-dungeon-crawler-game/538)
**Author:** [@cherietan](https://forum.makecode.com/u/cherietan)\ **Replies:** 0\ **Last updated:** [September 16, 2019, 2:06am UTC](https://forum.makecode.com/t/old-school-dungeon-crawler-game/538 "2019-09-16T02:06:50Z")
This is a simple dungeon crawler, with three levels, enemies that follow the player, and projectiles that fire in the direction that the player faces. Sprite art inspired by the SNES classic, Earthbound. Control the p… --- ## [How to test when player is over a certain type of tile?](https://forum.makecode.com/t/how-to-test-when-player-is-over-a-certain-type-of-tile/227)
**Author:** [@ladyada](https://forum.makecode.com/u/ladyada)\ **Replies:** 9\ **Last updated:** [September 15, 2019, 7:25pm UTC](https://forum.makecode.com/t/how-to-test-when-player-is-over-a-certain-type-of-tile/227 "2019-09-15T19:25:13Z")
ok for my marble game, there’s holes in the map, when the ball overlaps the hole…game over! but im struggling with how to get the logic for either “make these tiles enemy type” OR “place enemy on top of the array of the… --- ## [Wall collisions and sprite vy](https://forum.makecode.com/t/wall-collisions-and-sprite-vy/481)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 1\ **Last updated:** [September 14, 2019, 4:45pm UTC](https://forum.makecode.com/t/wall-collisions-and-sprite-vy/481 "2019-09-14T16:45:41Z")
I wanted to implement damage or loss of life on a fall. That could be done with the on sprite of kind Player hits wall if I can determine the impact velocity. I wasn’t sure what the value of the sprite’s vy would be when… --- ## [Advice, please? GameJam Practice 2 - Clean - Microsoft MakeCode](https://forum.makecode.com/t/advice-please-gamejam-practice-2-clean-microsoft-makecode/528)
**Author:** [@DragonMountainDesign](https://forum.makecode.com/u/DragonMountainDesign)\ **Replies:** 6\ **Last updated:** [September 13, 2019, 12:41am UTC](https://forum.makecode.com/t/advice-please-gamejam-practice-2-clean-microsoft-makecode/528 "2019-09-13T00:41:33Z")
Very excited about the MakeCode game jam, and still very much a noob, so I’m playing with some concept ideas. Experimenting with arrays to add a group of sprites to “clean up.” I want to be able to destroy each of the… --- ## [HackMan (Game)](https://forum.makecode.com/t/hackman-game/526)
**Author:** [@Vidget](https://forum.makecode.com/u/Vidget)\ **Replies:** 1\ **Last updated:** [September 11, 2019, 8:15pm UTC](https://forum.makecode.com/t/hackman-game/526 "2019-09-11T20:15:05Z")
Hackman, eat all the ones and zeros before the computer bugs get you. --- ## [American Sign Language (Game)](https://forum.makecode.com/t/american-sign-language-game/471)
**Author:** [@Vidget](https://forum.makecode.com/u/Vidget)\ **Replies:** 8\ **Last updated:** [September 11, 2019, 8:14pm UTC](https://forum.makecode.com/t/american-sign-language-game/471 "2019-09-11T20:14:25Z")
Using MakeCode isn’t just for making games but can be used as a learning tool for other subjects. In this example we use the American Sign Language alphabet to quiz students on their knowledge of the letters Reliabl… --- ## [Meowbit not connecting and 909 error](https://forum.makecode.com/t/meowbit-not-connecting-and-909-error/296)
**Author:** [@cak](https://forum.makecode.com/u/cak)\ **Replies:** 5\ **Last updated:** [September 10, 2019, 8:09pm UTC](https://forum.makecode.com/t/meowbit-not-connecting-and-909-error/296 "2019-09-10T20:09:25Z")
I have my Meowbit connected through USB to my laptop that’s running Windows 10. When I turn on the Meowbit, it goes right into the preloaded game- I never see the option for programming mode that I have read about. My co… --- ## [Presenting: Salvo!](https://forum.makecode.com/t/presenting-salvo/199)
**Author:** [@AlexK](https://forum.makecode.com/u/AlexK)\ **Replies:** 7\ **Last updated:** [September 9, 2019, 8:23pm UTC](https://forum.makecode.com/t/presenting-salvo/199 "2019-09-09T20:23:36Z")
This week, I offer to you: Salvo! This probably will be my last game for a while. I do need to start writing the course. :smiley: Mad props to one of my best friends, Solar, for drawing some amazing ships for me. Have f… --- ## [For loops - value becoming value2](https://forum.makecode.com/t/for-loops-value-becoming-value2/522)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 1\ **Last updated:** [September 7, 2019, 7:14pm UTC](https://forum.makecode.com/t/for-loops-value-becoming-value2/522 "2019-09-07T19:14:56Z")
I’ve got some for loops which sometimes change and sometimes do not change if code written in Blocks goes to JavaScript mode and back. When multiple for loops with value are used, sometimes these get converted into uniqu… --- ## [When does an extension get updated in a project?](https://forum.makecode.com/t/when-does-an-extension-get-updated-in-a-project/521)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 4\ **Last updated:** [September 7, 2019, 6:02pm UTC](https://forum.makecode.com/t/when-does-an-extension-get-updated-in-a-project/521 "2019-09-07T18:02:21Z")
I’ve been puzzling over some bugs in beta beta editor/simulator. I note that this has been upgraded from 0.14.4 to 0.14.5 today. I published some code and that may have picked up a more recent version of the animation e… --- ## [Noob questions](https://forum.makecode.com/t/noob-questions/520)
**Author:** [@NightIsland](https://forum.makecode.com/u/NightIsland)\ **Replies:** 8\ **Last updated:** [September 7, 2019, 9:03am UTC](https://forum.makecode.com/t/noob-questions/520 "2019-09-07T09:03:28Z")
Hi all, I’m a long-standing developer. I have a number of random questions, if anyone can answer them, it would be super-helpful to my coding! How does the sprite collision detection operate? Is it distance from cen… --- ## [Time and switching tabs](https://forum.makecode.com/t/time-and-switching-tabs/519)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 4\ **Last updated:** [September 5, 2019, 5:59pm UTC](https://forum.makecode.com/t/time-and-switching-tabs/519 "2019-09-05T17:59:19Z")
How does time work in the simulator wrt switching tabs? I’ve noticed that if I run the code mentioned in Physics engine tests? and switch to another tab in Chrome for a few seconds while the code is running it appears t… --- ## [Is it possible to write directly to screen (pixels) on the Arcade?](https://forum.makecode.com/t/is-it-possible-to-write-directly-to-screen-pixels-on-the-arcade/510)
**Author:** [@gbraad](https://forum.makecode.com/u/gbraad)\ **Replies:** 10\ **Last updated:** [September 5, 2019, 5:39am UTC](https://forum.makecode.com/t/is-it-possible-to-write-directly-to-screen-pixels-on-the-arcade/510 "2019-09-05T05:39:11Z")
As the title says; I do not want to use sprites, but want to write pixels directly to the screen. --- ## [How do i flip sprites?](https://forum.makecode.com/t/how-do-i-flip-sprites/505)
**Author:** [@TomisOps](https://forum.makecode.com/u/TomisOps)\ **Replies:** 4\ **Last updated:** [September 3, 2019, 9:42pm UTC](https://forum.makecode.com/t/how-do-i-flip-sprites/505 "2019-09-03T21:42:29Z")
Any way to flip characters? thanks --- ## [Projectiles created from a moving sprite](https://forum.makecode.com/t/projectiles-created-from-a-moving-sprite/507)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 0\ **Last updated:** [September 1, 2019, 11:46pm UTC](https://forum.makecode.com/t/projectiles-created-from-a-moving-sprite/507 "2019-09-01T23:46:33Z")
The editor has a block to create a projectile from an existing sprite with a vx,vy velocity. I noticed the projectile defies normal physics and vx,vy are absolute rather than being relative to the velocity of the sprite.… --- ## [Little bug](https://forum.makecode.com/t/little-bug/503)
**Author:** [@TomisOps](https://forum.makecode.com/u/TomisOps)\ **Replies:** 4\ **Last updated:** [August 31, 2019, 7:15pm UTC](https://forum.makecode.com/t/little-bug/503 "2019-08-31T19:15:48Z")
let mySprite = sprites.create(img. . . . . . . . . . . c c c c c 6 6 6 6 6 . . . . . . . . . . . . . . . . . . . c c c 4 4 4 4 4 4 4 4 4 4 6 6 6 . . . . . . . . . . . . . . c c 4 4 4 4 4 4 4 4 4 b b 4 4 4 4 4 6 6 . . . .… --- ## [Sequence of execution between outer blocks in Arcade](https://forum.makecode.com/t/sequence-of-execution-between-outer-blocks-in-arcade/488)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 2\ **Last updated:** [August 28, 2019, 1:25pm UTC](https://forum.makecode.com/t/sequence-of-execution-between-outer-blocks-in-arcade/488 "2019-08-28T13:25:26Z")
I wanted to investigate the sequencing of the block execution particularly around the on start and controller events. We’ve been working on a basic level framework and it raised some questions about when certain blocks a… --- ## [Sprite/Wall Collision Event Repeated](https://forum.makecode.com/t/sprite-wall-collision-event-repeated/487)
**Author:** [@mileswatson](https://forum.makecode.com/u/mileswatson)\ **Replies:** 1\ **Last updated:** [August 26, 2019, 4:53pm UTC](https://forum.makecode.com/t/sprite-wall-collision-event-repeated/487 "2019-08-26T16:53:57Z")
Relevant Issue: https://github.com/microsoft/pxt-arcade/issues/1242 Describe the bug When a sprite collides squarely with a wall tile, the “on sprite of kind \_\_\_ hits wall \_\_\_” block is called twice. To Reproduce Re… --- ## [Why does Arcade have a 16 colour palette?](https://forum.makecode.com/t/why-does-arcade-have-a-16-colour-palette/483)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 1\ **Last updated:** [August 25, 2019, 3:24pm UTC](https://forum.makecode.com/t/why-does-arcade-have-a-16-colour-palette/483 "2019-08-25T15:24:15Z")
I’m interested in the reasons for having a 16 color palette for MakeCode Arcade. The typical display hardware looks capable in simple terms of 18bit colour. I can see there are some memory constraints from these small S… --- ## [Display update, flushing and synchronisation and light sensor peculiarities](https://forum.makecode.com/t/display-update-flushing-and-synchronisation-and-light-sensor-peculiarities/443)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 4\ **Last updated:** [August 24, 2019, 7:59pm UTC](https://forum.makecode.com/t/display-update-flushing-and-synchronisation-and-light-sensor-peculiarities/443 "2019-08-24T19:59:13Z")
I wrote some code to investigate the light sensor on the PyGamer and in the process of doing that discovered a few things about screen updates. The set background color to button does not appear to immediately update th… --- ## [Debugging Capabilities in MakeCode Arcade](https://forum.makecode.com/t/debugging-capabilities-in-makecode-arcade/480)
**Author:** [@mileswatson](https://forum.makecode.com/u/mileswatson)\ **Replies:** 1\ **Last updated:** [August 24, 2019, 3:48pm UTC](https://forum.makecode.com/t/debugging-capabilities-in-makecode-arcade/480 "2019-08-24T15:48:00Z")
I recently noticed that there are a few run-time errors in MakeCode Arcade that occur infrequently for new programmers. Casting errors are commonplace, and stack overflows aren’t out of the question for beginners messing… --- ## [Chase the Pizza - Microsoft MakeCode](https://forum.makecode.com/t/chase-the-pizza-microsoft-makecode/477)
**Author:** [@taryncu](https://forum.makecode.com/u/taryncu)\ **Replies:** 0\ **Last updated:** [August 23, 2019, 9:13pm UTC](https://forum.makecode.com/t/chase-the-pizza-microsoft-makecode/477 "2019-08-23T21:13:04Z")
--- ## [Button delay and repeat rate](https://forum.makecode.com/t/button-delay-and-repeat-rate/470)
**Author:** [@kjw](https://forum.makecode.com/u/kjw)\ **Replies:** 1\ **Last updated:** [August 23, 2019, 4:19pm UTC](https://forum.makecode.com/t/button-delay-and-repeat-rate/470 "2019-08-23T16:19:13Z")
I’ve just started looking at how the repeat works for the buttons. The on XX button block has pressed, released and repeat on it. The first two have obvious semantics but I wasn’t sure how repeat worked. In particular, I… [Previous page](https://forum.makecode.com/c/share-your-arcade-projects-here/5.md?page=396) [Next page](https://forum.makecode.com/c/share-your-arcade-projects-here/5.md?page=398)