41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
/* @flow
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* this script takes black/withe tiles and sets their colors on the canvas
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* its used to set the land area on the planet.
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*
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* The tiles it uses are explained in 3dmodels/ocean-tiles
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*
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* run this script with --expose-gc or you run out of RAM
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*/
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import { imagemask2Canvas } from '../../src/core/Image';
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import sharp from 'sharp';
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import fs from 'fs';
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const CANVAS_SIZE = 256 * 256;
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const CANVAS_MIN_XY = -(CANVAS_SIZE / 2);
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const CANVAS_MAX_XY = (CANVAS_SIZE / 2) - 1;
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const TILEFOLDER = './ocean';
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const TILE_SIZE = 2048;
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async function applyMasks() {
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for (let ty = 0; ty < CANVAS_SIZE / TILE_SIZE; ty += 1) {
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for (let tx = 0; tx < CANVAS_SIZE / TILE_SIZE; tx += 1) {
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const [ x, y ] = [tx, ty].map(z => z * TILE_SIZE + CANVAS_MIN_XY);
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const filename = `${TILEFOLDER}/${tx}/${ty}.png`;
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console.log(`Checking tile ${filename}`);
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if (!fs.existsSync(filename)) continue;
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let tile = await sharp(filename).removeAlpha().raw().toBuffer();
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await imagemask2Canvas(0, x, y, tile, TILE_SIZE, TILE_SIZE, (clr) => {
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return 1; //set color to index 1 -> land
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});
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tile = null;
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}
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global.gc();
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}
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}
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applyMasks();
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