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cell.js
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cell.js
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function Cell(i, j) {
this.i = i;
this.j = j;
this.walls = [true, true, true, true];
this.visited = false;
this.checkNeighbors = function() {
var neighbors = [];
var top = grid[index(i, j - 1)];
var right = grid[index(i + 1, j)];
var bottom = grid[index(i, j + 1)];
var left = grid[index(i - 1, j)];
// Recursive backtracker
if (top && !top.visited) {
neighbors.push(top);
}
if (right && !right.visited) {
neighbors.push(right);
}
if (bottom && !bottom.visited) {
neighbors.push(bottom);
}
if (left && !left.visited) {
neighbors.push(left);
}
if (neighbors.length > 0) {
var r = floor(random(0, neighbors.length));
return neighbors[r];
} else {
return undefined;
}
}
this.highlight = function() {
var x = this.i * w;
var y = this.j * w;
noStroke();
fill(0, 0, 255, 100);
rect(x, y, w, w);
}
this.show = function() {
var x = this.i * w;
var y = this.j * w;
stroke(255);
if (this.walls[0]) {
line(x, y, x + w, y);
}
if (this.walls[1]) {
line(x + w, y, x + w, y + w);
}
if (this.walls[2]) {
line(x + w, y + w, x, y + w);
}
if (this.walls[3]) {
line(x, y + w, x, y);
}
if (this.visited) {
noStroke();
fill(255, 0, 255, 100);
rect(x, y, w, w);
}
}
}