Computer Graphics & Visualization @ufrj.br
Published
Edited
Sep 2, 2022
4 stars
{
randomize;
const nrows = 9;
const ncols = 9;
const m = [];
const tileNames = [...tiles.keys()].filter((d) => !!tileEdgeTypes[d]);
const matchLeft = (row, col, name) =>
col == 0 ||
tileEdgeTypes[m[row][col - 1]] == undefined ||
tileEdgeTypes[m[row][col - 1]][1] == tileEdgeTypes[name][2];
const matchUp = (row, col, name) =>
row == 0 ||
tileEdgeTypes[m[row - 1][col]] == undefined ||
tileEdgeTypes[m[row - 1][col]][3] == tileEdgeTypes[name][0];
for (let row = 0; row < nrows; row++) {
const buf = [];
m.push(buf);
for (let col = 0; col < ncols; col++) {
const allowed = tileNames.filter(
(name) => matchLeft(row, col, name) && matchUp(row, col, name)
);
if (allowed.length == 0) buf.push("water");
else buf.push(allowed[~~(Math.random() * allowed.length)]);
}
}
return renderTileMatrix(m);
}
function renderTileMatrix(m, tileWidth = 100, tileHeight = 50) {
const rows = m.length;
const cols = m[0].length;
const width = ((rows + cols) / 2 + 1) * tileWidth;
const height = ((rows + cols) / 2 + 1) * tileHeight;
const [x0, y0] = [0.5, 0.5 + (cols * tileHeight) / 2];
const canvas = DOM.canvas(width, height);
const ctx = canvas.getContext("2d");
for (let row = 0; row < rows; row++) {
for (let col = cols - 1; col >= 0; col--) {
const tile = tiles.get(m[row][col]);
const x = x0 + ((row + col) / 2) * tileWidth;
const y = y0 + ((row - col) / 2) * tileHeight;
ctx.drawImage(tile, x, y);
}
}
return canvas;
}
roadtiles_v2 = FileAttachment("roadTiles.zip").zip()
tilenames = roadtiles_v2.filenames.filter((d) => d.slice(0, 4) == "png/").sort()
tiles = new Map(
await Promise.all(tilenames.map((d) => roadtiles_v2.file(d).image())).then(
(images) =>
images.map((img, i) => [tilenames[i].replace(/png\/(.*).png/, "$1"), img])
)
)
tileEdgeTypes = ({
//bridgeEast: ["w", "wrw", "wrw", "w"],
//bridgeNorth: ["wrw", "w", "w", "wrw"],
crossroad: ["grg", "grg", "grg", "grg"],
//dirt: ["d", "d", "d", "d"],
//dirtHigh: ["d", "d", "d", "d"],
grass: ["g", "g", "g", "g"],
lot: ["r", "r", "r", "r"],
lotCornerEast: ["g", "gr", "g", "gr"],
lotCornerNorth: ["gr", "rg", "g", "g"],
lotCornerSouth: ["g", "g", "gr", "rg"],
lotCornerWest: ["rg", "g", "rg", "g"],
lotCrossH: ["gr", "rg", "gr", "rg"],
lotCrossV: ["rg", "gr", "rg", "gr"],
lotEast: ["rg", "g", "r", "rg"],
lotExitEast: ["rg", "grg", "r", "rg"],
lotExitNorth: ["grg", "gr", "gr", "r"],
lotExitSouth: ["r", "rg", "rg", "grg"],
lotExitWest: ["gr", "r", "grg", "gr"],
lotNorth: ["g", "gr", "gr", "r"],
lotPark: ["r", "r", "r", "r"],
lotSouth: ["r", "rg", "rg", "g"],
lotWest: ["gr", "r", "g", "gr"],
roadCornerES: ["g", "grg", "g", "grg"],
roadCornerNE: ["grg", "grg", "g", "g"],
roadCornerNW: ["grg", "g", "grg", "g"],
roadCornerWS: ["g", "g", "grg", "grg"],
roadEast: ["g", "grg", "grg", "g"],
roadEndEast: ["g", "grg", "g", "g"],
roadEndNorth: ["grg", "g", "g", "g"],
roadEndSouth: ["g", "g", "g", "grg"],
roadEndWest: ["g", "g", "grg", "g"],
roadNorth: ["grg", "g", "g", "grg"],
roadTEast: ["grg", "grg", "g", "grg"],
roadTNorth: ["grg", "grg", "grg", "g"],
roadTSouth: ["g", "grg", "grg", "grg"],
roadTWest: ["grg", "g", "grg", "grg"]
// water: ["w", "w", "w", "w"],
// waterBeachCornerEast: ["g", "sw", "g", "sw"],
// waterBeachCornerNorth: ["sw", "ws", "g", "g"],
// waterBeachCornerSouth: ["g", "g", "sw", "ws"],
// waterBeachEast: ["sw", "w", "s", "sw"],
// waterBeachNorth: ["w", "ws", "ws", "s"],
// waterBeachSouth: ["s", "sw", "sw", "w"],
// waterBeachWest: ["ws", "s", "w", "ws"],
// waterCornerEast: ["g", "gw", "g", "gw"],
// waterCornerNorth: ["gw", "wg", "g", "g"],
// waterCornerWest: ["wg", "g", "wg", "g"],
// waterEast: ["gw", "w", "g", "gw"],
// waterNorth: ["w", "wg", "wg", "g"],
// waterSouth: ["g", "gw", "gw", "w"]
})
({
})
[...tiles.keys()]
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