tetris.js | Learn Javascript and JQuery by Re-building Tetris | Learning library
kandi X-RAY | tetris.js Summary
kandi X-RAY | tetris.js Summary
Learn Javascript and JQuery by Re-building Tetris Full Tutorials Here Demo Here. While preparing for Hack Reactor’s admission interview as a newbie in programming, I challenged myself to re-build the classic game tetris using Javascript and some JQuery. I find this exercise to be tremendously helpful in solidifying my foundation of Javascript and programming in general, and this has definitely help me getting accepted by Hack Reactor. If you are new to programming, I hope this will help you as much as it’d help me.. Table of Content You can find the source codes related to each sections in commit history. Part I Building the DOM Draw on the Grid Move the Shape Left and Right Part II Define Tetrominoes Rotate your Shapes Fixing Two Bugs Part III Adding Gravity Spawn New Shape Fixing More Bug Part IV Empty Full Row .
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Trending Discussions on tetris.js
QUESTION
I made a simple tetris game in class form. Something very strage is happening with one of my methods when I call Object.values(). Here is the method in question:
...ANSWER
Answered 2021-Apr-19 at 14:32The problem is val[0]++.
val[0] is an array.
QUESTION
I am creating a simple Tetris game using React JS. My main Component besides App.js is a Tetris.js functional component. In useEffect() I am storing components like the stage or current player tetromino using Local Storage. While playing, retrieving data in the console is possible and the data is not null.
...ANSWER
Answered 2020-May-23 at 10:18It seems that on the first render of the Tetris component where you have useEffect the useEffect callback is run with initial values before the user clicks anything. You can check this by placing a debugger; as the first statement in your useEffect callback.
QUESTION
For example, my current Tetromino is an "I". When I rotate it, and the next Tetromino is also an "I", the Tetromino is also rotated, even though I do not want this behaviour. I've been debugging, and it seems that the object where my pieces are from, are changed on player rotation. Why is this?
Code below (UNFINISHED):
...ANSWER
Answered 2019-Dec-30 at 10:24You've tried to create a clone of the original piece object in pieces by doing:
pieces[chosenLetter].slice(0);
However, slice() creates a shallow clone and your pieces[x] contains an array with more arrays.
What would work is this inside choosePiece():
const chosenPiece = JSON.parse(JSON.stringify(pieces[chosenLetter]));
You could also try to rewrite your code as to not create a multidimensional array if performance is of concern here.
QUESTION
I'm making a tetris game and right now I'm writing the function that drops the piece every 1s(in this case every 800ms). My function looks like this
...ANSWER
Answered 2019-Aug-07 at 04:41To answer the question simply: in the example where the requestAnimationFrame(drop) is nested inside the if statement, the if condition is never satisfied.
The function relies on having an animation loop happening, or the entire drop() function will only run once, see that delta is not 800, ignore the code inside it's block, and never run again.
When requestAnimationFrame() is outside the if statement, it will ALWAYS run and it creates a neverending loop of drop() happening, and everytime it runs, now and delta are being increased by however many milliseconds it took the function to run, and it will eventually be 800 milliseconds greater than dropStart, finally satisfying the statement, it will then first reset the time variables to be essentially the same, and then animate the tetris piece moving one space.
QUESTION
I'm brand new to both coding and this site, and I've run into a problem that actually wasn't a problem before.
I'm following along with a video to code Tetris in Javascript, and at first I was using p5.js editor to do my coding, but found that I was running into a lot of issues, syntax not matching up, etc.
I've moved to Atom editor as it seems to have similar functionality as the video - and please keep in mind, I'm an absolute beginner, following along is the best I can do.
So, here's the code. The problem is that it's supposed to create a 240x400 canvas, and in p5.js it does, but everywhere else, it doesn't. I've tried first using Node.js to get a preview of the code, and that turned up blank. Now I'm using a live HTML preview package in Atom, which also turns up blank.
...ANSWER
Answered 2017-Nov-27 at 10:42Your code is correct. You could try waiting with your drawing until the page is fully loaded:
QUESTION
Im working on a tetris project for uni. I have got most of the function to work except one. The intended flow is as follows:
- Index page with a button to load the game
- On clicking the button the game starts with a background audio(sample audio for now)
- on pause/play of the game the audio also should stop
- Once the audio is over, the game should stop and change to a div element with some text/questionnaire.
I have got steps 1-3 working, but kind of hit a bump at step 4. The page is rendered using js. I have added $('.tetrisGame').innerHTML = '
GAME OVER'; to the music.oneded function. It does not render the innerHTML. So after the music stops, the console displays the message and that is it.
Also I have tried to add a hidden div element in the html file and display it after the music has ended, but the innerhtml returns null(probably because the js replaces the elements from the html file with the element rendered in the js file.
HELP NEEDED: Please check the code and let me know how to show a div element after the music stops.
Code added for verfification. Any further info in regards to code, let me know.
Thanks
...ANSWER
Answered 2017-Jul-02 at 04:02Calling $('.tetrisGame') will give back an array like jQuery object that is a list of elements that match that given class - and you will not be able to call innerHTML on that. Call instead something like this:
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