Update gen-maze.ts

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syuilo 2019-05-11 15:03:41 +09:00
parent 7bba6ec4a9
commit f5644e4e13
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@ -94,6 +94,8 @@ export function genMaze(seed, complexity?) {
const donut = rand(3) === 0;
const donutWidth = mazeSize / 3;
const straightMode = rand(10) === 0;
// maze (filled by 'empty')
const maze: CellType[][] = new Array(mazeSize);
for (let i = 0; i < mazeSize; i++) {
@ -130,7 +132,7 @@ export function genMaze(seed, complexity?) {
return false;
}
function diggFrom(x: number, y: number) {
function diggFrom(x: number, y: number, prevDir?: Dir) {
const isUpDiggable = checkDiggable(x, y, 'top');
const isRightDiggable = checkDiggable(x, y, 'right');
const isDownDiggable = checkDiggable(x, y, 'bottom');
@ -144,28 +146,37 @@ export function genMaze(seed, complexity?) {
if (isDownDiggable) dirs.push('bottom');
if (isLeftDiggable) dirs.push('left');
const dir = dirs[rand(dirs.length)];
let dir: Dir;
if (straightMode) {
if (dirs.includes(prevDir)) {
dir = prevDir;
} else {
dir = dirs[rand(dirs.length)];
}
} else {
dir = dirs[rand(dirs.length)];
}
maze[x][y] = cellVariants[maze[x][y]].digg[dir];
if (dir === 'top') {
maze[x][y - 1] = maze[x][y - 1] === 'empty' ? 'bottom' : 'cross';
diggFrom(x, y - 1);
diggFrom(x, y - 1, dir);
return;
}
if (dir === 'right') {
maze[x + 1][y] = maze[x + 1][y] === 'empty' ? 'left' : 'cross';
diggFrom(x + 1, y);
diggFrom(x + 1, y, dir);
return;
}
if (dir === 'bottom') {
maze[x][y + 1] = maze[x][y + 1] === 'empty' ? 'top' : 'cross';
diggFrom(x, y + 1);
diggFrom(x, y + 1, dir);
return;
}
if (dir === 'left') {
maze[x - 1][y] = maze[x - 1][y] === 'empty' ? 'right' : 'cross';
diggFrom(x - 1, y);
diggFrom(x - 1, y, dir);
return;
}
}