89 lines
2.1 KiB
JavaScript
89 lines
2.1 KiB
JavaScript
class Maze{
|
|
constructor(mazeWidth, mazeHeight, cellWidth){
|
|
this.columns = floor(mazeWidth / cellWidth);
|
|
this.rows = floor(mazeHeight / cellWidth);
|
|
this.width = mazeWidth;
|
|
this.height = mazeHeight;
|
|
this.cellWidth = cellWidth;
|
|
this.workingStack = [];
|
|
this.currentCell = {};
|
|
this.grid = [];
|
|
|
|
for (let y = 0; y < this.rows; y++) {
|
|
for (var x = 0; x < this.columns; x++) {
|
|
this.grid.push(new Cell(x, y, this.cellWidth));
|
|
}
|
|
}
|
|
|
|
this.grid[this.index(0,0)].visited = true;
|
|
this.grid[this.index(0,0)].selected = true;
|
|
this.workingStack.push(this.grid[this.index(0,0)]);
|
|
}
|
|
|
|
updateMazeDisplay(){
|
|
for (var i = 0; i < this.grid.length; i++) {
|
|
this.grid[i].show();
|
|
}
|
|
}
|
|
|
|
buildNextCell(){
|
|
//Build the maze
|
|
this.currentCell = this.workingStack.pop();
|
|
//currentCell.visited = true;
|
|
let nextCell = getNeighbors(this.currentCell);
|
|
|
|
if(nextCell){
|
|
this.workingStack.push(this.currentCell);
|
|
currentCell.Selected = false;
|
|
currentCell.visited = true;
|
|
nextCell.visited = true;
|
|
nextCell.selected = true;
|
|
removeWalls(currentCell, nextCell);
|
|
this.workingStack.push(nextCell);
|
|
}
|
|
else
|
|
this.workingStack.pop();
|
|
|
|
this.currentCell.selected = false;
|
|
}
|
|
|
|
get mazeGenDone() {
|
|
return this.workingStack.length == 0;
|
|
}
|
|
|
|
getNeighbors(cell){
|
|
var visited = [];
|
|
|
|
var top = this.grid[index(cell.x, cell.y - 1)];
|
|
var left = this.grid[index(cell.x - 1, cell.y)];
|
|
var bottom = this.grid[index(cell.x, cell.y + 1)];
|
|
var right = this.grid[index(cell.x + 1, cell.y)];
|
|
|
|
if (top && !top.visited) {
|
|
visited.push(top);
|
|
}
|
|
if (left && !left.visited) {
|
|
visited.push(left);
|
|
}
|
|
if (right && !right.visited) {
|
|
visited.push(right);
|
|
}
|
|
if (bottom && !bottom.visited) {
|
|
visited.push(bottom);
|
|
}
|
|
|
|
if(visited.length == 1)
|
|
return visited[0];
|
|
else if (visited.length > 1)
|
|
return visited[floor(random(0, visited.length))];
|
|
else
|
|
return undefined;
|
|
}
|
|
|
|
index(x, y) {
|
|
if (x < 0 || y < 0 || x > this.columns - 1 || y > this.rows - 1) return -1;
|
|
return x + y * this.columns;
|
|
}
|
|
|
|
}
|