para/puzzle
1
1
Fork 0
Code Issues 8 Pull requests Releases Wiki Activity

rng class..

Browse source
This commit is contained in:
Zutatensuppe 2020-12-21 18:34:57 +01:00
parent 3ff375dbb4
commit cbc2b88f47
12 changed files with 4762 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

20
server/Puzzle.js
View file

@ -1,6 +1,7 @@
import sizeOf from 'image-size'
import Util from './../common/Util.js'
import exif from 'exif'
import { Rng } from '../common/Rng.js'
// cut size of each puzzle tile in the
// final resized version of the puzzle image
@ -34,7 +35,11 @@ async function getExifOrientation(imagePath) {
})
}
async function createPuzzle(targetTiles, image) {
async function createPuzzle(
/** @type Rng */ rng,
targetTiles,
image
) {
const imagePath = image.file
const imageUrl = image.url
@ -48,7 +53,7 @@ async function createPuzzle(targetTiles, image) {
for (let i = 0; i < tiles.length; i++) {
tiles[i] = { idx: i }
}
const shapes = determinePuzzleTileShapes(info)
const shapes = determinePuzzleTileShapes(rng, info)
let positions = new Array(info.tiles)
for (let tile of tiles) {
@ -100,7 +105,7 @@ async function createPuzzle(targetTiles, image) {
}
// then shuffle the positions
positions = Util.shuffle(positions)
positions = Util.shuffle(rng, positions)
tiles = tiles.map(tile => {
return Util.encodeTile({
@ -167,7 +172,10 @@ async function createPuzzle(targetTiles, image) {
}
}
function determinePuzzleTileShapes(info) {
function determinePuzzleTileShapes(
/** @type Rng */ rng,
info
) {
const tabs = [-1, 1]
const shapes = new Array(info.tiles)
@ -175,9 +183,9 @@ function determinePuzzleTileShapes(info) {
let coord = Util.coordByTileIdx(info, i)
shapes[i] = {
top: coord.y === 0 ? 0 : shapes[i - info.tilesX].bottom * -1,
right: coord.x === info.tilesX - 1 ? 0 : Util.choice(tabs),
right: coord.x === info.tilesX - 1 ? 0 : Util.choice(rng, tabs),
left: coord.x === 0 ? 0 : shapes[i - 1].right * -1,
bottom: coord.y === info.tilesY - 1 ? 0 : Util.choice(tabs),
bottom: coord.y === info.tilesY - 1 ? 0 : Util.choice(rng, tabs),
}
}
return shapes.map(Util.encodeShape)