javascript - How to write the logic and code for the layered rendering of objects and characters in the game?

For example, the character in Lone Gunman is sometimes under a tree and sometimes on the grass. They are all objects in the game world. How is the hierarchical logic between characters and map objects handled? How can the code be optimized?

女神的闺蜜爱上我 2017-06-26 10:52:05 0  2  908

Detect collision between two fill.Rect functions

I have a game where one player is controlled by the arrow keys and the other player is controlled by the WSAD keys. I have a map set up in a 600x600 canvas and want to add a collision between two players in the game fill.Rect when two players are within a certain radius, either end the program or di...

P粉145543872 2023-09-15 13:26:06 0  1  846

Safari 16.4 and iOS 16.4 change dynamically set CSS properties on their own

I made a javascript puzzle game a few years ago and it worked just fine. Recently, after iOS16.4 and Safari16.4 update, the code is not working the same way, after investigating I found the problem but I don't know how to fix it. In my code, I set 2 CSS properties (background size and background pos...

P粉099985373 2024-02-21 15:11:28 0  1  381

Why does the order change after mysql uses group_concat?

Since the fields in the two tables contain a one-to-many relationship, the group_concat function was used to splice multiple pieces of data when constructing the view to reduce the amount of data. However, after splicing, it was found that the original order had changed. For example: original data: ...

天蓬老师 2017-05-18 10:49:30 0  1  876

Array in vue storage not available in component (in time)

In my application I have a set of game cards, stored in a vuex store. The player fills out a game pin and the code checks it and gets the game cards for that pin and stores them in the store and opens the memory component: checkPinExists(){//this.$store.dispatch('retrieveGameByPin',this .enteredPin)...

P粉914731066 2023-09-13 18:14:56 0  1  723

javascript - How to use this js?

{Code...} I want to use this image in the htm file. Click to enlarge the js, and then use this code directly in the htm. {Code...} How to use this together? Use the above code directly in the htm, and then call This js

習慣沉默 2017-05-19 10:47:33 0  1  694

javascript - A small pit of echarts+bootstrap modal box.

I am currently working on a PC project where I want to display the echarts chart in the bootstrap modal box. When the user clicks the button, a modal with the content of the echarts chart pops up. 1. First create a modal box~ HTML: {code...} JS: {code...} 2. Render the chart: {code...} At this point...

迷茫 2017-06-12 09:31:22 0  1  1418

Thinkphp5.0 view uses js to obtain session value problem

Asking for help from the masters~ Is there any master who can use TP? In the background, the array data is obtained through Db database search ~ and then spliced ​​into characters and stored in the session ~ but when the view is obtained using js, an error is reported as Uncaught ReferenceError: ***...

HWL_SCH 2019-02-24 18:13:45 0  2  1045

Thinkphp5.0 view uses js to obtain session value problem

Asking for help from the masters~ Is there any master who can use TP? In the background, the array data is obtained through Db database search ~ and then spliced ​​into characters and stored in the session ~ but when the view is obtained using js, an error of Uncaught ReferenceError: *** is not defi...

HWL_SCH 2019-02-24 18:21:35 0  2  1212

ab--n--c - How to determine Apache ab

{Code...} The above code tests the local Apache service. What I don’t understand is this section {Code...} Does html transmission refer to the images, css, and js in the page?

给我你的怀抱 2017-05-16 17:03:26 0  1  469

How to pass what a function calculates as a variable

How can I pass what the function calculates into a variable. {code...} As shown in the code, I use this calculation to output the image address I want, and then display the image on the page through the following code {code...} But how do I pass the content calculated by the first code to Second par...

天蓬老师 2017-06-26 10:55:07 0  2  863

javascript - php mysqli fetch_all() returns json normally, but the front-end ajax cannot get json?

PHP code {code...} postman screenshot: js code: {code...} None of the contents of the database in front of the chrome console should be {code...} There is a problem with the sql here because if($ rows), there were errors before, but I am very surprised why php can run normally, the php version...

淡淡烟草味 2017-05-16 13:11:56 0  1  944

javascript - Image gathering effect, plus 3D effect, why are there lines after gathering?

There are many sub-divs in a div, and the background images of the sub-divs are put together to form a whole picture; for the gathering effect, I added a 3D y-axis inversion effect. Why is there a small seam in the middle when splicing? Logically speaking, it should be after gathering This is the re...

曾经蜡笔没有小新 2017-05-18 10:46:23 0  1  553

Code handling of lengthy data URIs

I use data URI, base64 to add images and videos to my game, but I found that if I want to make a game with multiple videos, each video will be over 500 lines of code, so is there any good way ? Suggested to handle this type of file, what I really did was make a Mixin file and make multiple functions...

P粉872182023 2024-02-03 22:56:39 0  1  437

javascript - When using gulp image to compress and copy files, the error events.js:160 is reported? Is my nodejs version wrong?

The executed js code is as follows {code...} The error message that appears is as shown in the figure. It says that enoent.js under cross-spawn is not found? ? ? I would like to ask, what plug-in does cnpm need to install for this?

PHPz 2017-05-16 13:36:10 0  2  672

node.js - How to use node's fs module in a browser environment?

I have a need to use pure js to read images. The only parameter is the image path. The following is the code in the node environment {code...} Use browserify to convert it into {code...} and run the prompt in the browser environment, as follows Error, it seems that browserify cannot convert the fs m...

高洛峰 2017-05-16 13:44:07 0  2  1316

javascript - Ask about the Tower of Hanoi algorithm

JS uses recursion to implement the steps to complete the Tower of Hanoi. I believe many students can do it. In my spare time, I wrote a Tower of Hanoi game, which has a reminder function. When the user clicks on the reminder, the program uses recursion to implement a completion step, and then operat...

漂亮男人 2017-05-19 10:43:07 0  2  2633

angular.js - `ng-click` directive in `ng-bind-html` does not take effect

The js code is as follows: {code...} The html code is as follows: {code...} The dom structure seen in the browser is as follows: There is no response when clicking the text link in the picture, set a break in the "quitTo()" function The point found was not executed. How can I make this wor...

習慣沉默 2017-05-15 16:52:04 0  2  648

js, css and images cannot be loaded

Why do I have the same code as the video, but the js, css and images cannot be loaded.

Kagamigawa Chloe 2018-03-30 16:13:40 0  2  1639

javascript - A small problem with js magnifying glass.

It seems that the code can be basically understood through the js magnifying glass, but there is a code that I have tested and I know the effect but I don’t know why it is written like this? The picture cannot be uploaded, I don’t know why. Then let’s get into the code. Anyone who makes this functio...

伊谢尔伦 2017-05-19 10:15:24 0  1  652