sim1222/NullcatChan
1
0
Fork 0
mirror of https://github.com/nullnyat/NullcatChan.git synced 2025-08-06 23:33:59 +09:00
Code Issues Projects Releases Wiki Activity

Better maze rendering

Browse Source
This commit is contained in:
syuilo
2019-05-12 13:01:08 +09:00
parent 81be5d5410
commit be320744a4
6 changed files with 25 additions and 836 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/modules/maze/index.ts
View File

@ -40,27 +40,19 @@ export default class extends Module {
});
}
@autobind
private createTemp(): Promise<[string, any]> {
return new Promise<[string, any]>((res, rej) => {
tmp.file((e, path, fd, cleanup) => {
if (e) return rej(e);
res([path, cleanup]);
});
});
}
@autobind
private async genMazeFile(seed, size?): Promise<any> {
this.log('Maze generating...');
const maze = genMaze(seed, size);
this.log('Maze rendering...');
const [temp] = await this.createTemp();
await renderMaze(seed, maze, fs.createWriteStream(temp));
const data = renderMaze(seed, maze);
this.log('Image uploading...');
const file = await this.ai.upload(fs.createReadStream(temp));
const file = await this.ai.upload(data, {
filename: 'maze.png',
contentType: 'image/png'
});
return file;
}

20
src/modules/maze/render-maze.ts
View File

@ -1,23 +1,22 @@
import * as fs from 'fs';
import * as gen from 'random-seed';
const p = require('pureimage');
import * as Line from 'pureimage/src/Line.js';
import { createCanvas } from 'canvas';
import { CellType } from './maze';
import { themes } from './themes';
const imageSize = 1024; // px
const margin = 96;
const imageSize = 4096; // px
const margin = 96 * 4;
const mazeAreaSize = imageSize - (margin * 2);
export function renderMaze(seed, maze: CellType[][], stream: fs.WriteStream): Promise<void> {
export function renderMaze(seed, maze: CellType[][]) {
const rand = gen.create(seed);
const mazeSize = maze.length;
const colors = themes[rand(themes.length)];
const canvas = p.make(imageSize, imageSize);
const canvas = createCanvas(imageSize, imageSize);
const ctx = canvas.getContext('2d');
ctx.antialias = 'none';
ctx.fillStyle = colors.bg1;
ctx.beginPath();
@ -62,7 +61,10 @@ export function renderMaze(seed, maze: CellType[][], stream: fs.WriteStream): Pr
ctx.lineCap = 'square';
function line(ax, ay, bx, by) {
ctx.drawLine(new Line(x + ax, y + ay, x + bx, y + by));
ctx.beginPath();
ctx.lineTo(x + ax, y + ay);
ctx.lineTo(x + bx, y + by);
ctx.stroke();
}
if (left && right && top && bottom) {
@ -237,5 +239,5 @@ export function renderMaze(seed, maze: CellType[][], stream: fs.WriteStream): Pr
}
}
return p.encodePNGToStream(canvas, stream);
return canvas.toBuffer();
}