Create block-game.js

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Blockers2.io/block-game.js

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+window.addEventListener('keydown', this.keyDown, false);
+
+//variables
+var random;
+
+const container = document.getElementById("container");
+
+//if color is true, circle is purple, if it is false then it is blue
+var color = true;
+
+var rows;
+var cols;
+
+var List;
+var rows = 6;
+var cols = 5;
+var randomGoal;
+var randomInitial;
+var randomInitialValue;
+var x;
+var purplePortal;
+var bluePortal;
+
+var points = 0;
+
+var number;
+
+window.onload = setup();
+
+function setup() {
+	//if (validDim() == false) {
+  //	console.log("error");
+  //} else{
+    List = initialSet(rows, cols);
+    rows = List[0];
+    cols = List[1];
+    randomGoal = List[2];
+    randomInitial = List[3];
+    randomInitialValue = List[3];
+    x = 0;
+    number = ((rows*cols)-(cols-1));
+  //}
+  return;
+}
+
+function validDim(){
+	rows = parseInt(sessionStorage.getItem('rows'));
+  cols = parseInt(sessionStorage.getItem('cols'));
+  console.log(cols)
+	if (rows <= 0 || cols <= 0 || (rows == 1 && (cols == 1 || cols == 2) || (cols == 1 && (rows == 1 || rows == 2)) || isNaN(rows) || isNaN(cols))
+  ) {
+  	document.getElementById("error-para").innerHTML = "Invalid Row or Column number: Fatal Error";
+    return false;
+  }
+  return true;
+}
+
+
+function initialSet(r, c) {
+	List = makeRows(r, c);
+  rows = List[0];
+  cols = List[1];
+  mult = rows * cols;
+  randomGoal = Math.round(Math.random() * (mult-1)) + 1;
+	randomInitial = Math.round(Math.random() * (mult-1)) + 1;
+  bluePortal = cols;
+  purplePortal = (rows*cols)-(cols-1);
+ 	while(randomGoal == cols || randomGoal == (mult-(cols-1))){
+  	randomGoal = Math.round(Math.random() * (mult-1)) + 1;
+  }
+  while(randomInitial == cols || randomInitial == (mult-(cols-1)) || randomInitial == randomGoal){
+  	randomInitial = Math.round(Math.random() * (mult-1)) + 1;
+  }
+  document.getElementById("grid" + randomInitial).innerText = "O";
+  document.getElementById("grid" + randomGoal).innerText = "Goal";
+  document.getElementById("grid"+ purplePortal).innerText = "P";
+  document.getElementById("grid"+ bluePortal).innerText = "B";
+
+  return [rows, cols, randomGoal, randomInitial];
+}
+
+function makeRows(rows, cols) {
+  container.style.setProperty('--grid-rows', rows);
+  container.style.setProperty('--grid-cols', cols);
+  for (i = 1; i < (rows * cols) + 1; i++) {
+    let cell = document.createElement("div");
+    cell.innerText = " ";
+    container.appendChild(cell).className = "grid-item";
+    cell.id = "grid" + i;
+
+  }
+
+  return [rows, cols];
+}
+
+console.log(checkerBFS(x, 1));
+
+
+function checkerBFS(x, mode) {
+
+	// 1: character is blue and can only break 1
+  // 2: character is purple and can only break 2
+
+	var visited = new Array(rows*cols + 1);
+  for(var i = 0; i < visited.length; i++) {
+		visited[i] = false;
+  }
+  var queue = [];
+  queue.push(x);
+
+  visited[x] = true;
+
+  while (queue.length > 0) {
+  	var head = queue[0];
+    queue.shift();
+    if (head == randomGoal || head == purplePortal || head == bluePortal) {
+    	return true;
+    }
+    for (var i = 0; i < 8; i++) {
+    	var surrounding = [head - cols - 1, head - cols, head - cols + 1, head + 1, head + cols + 1, head + cols, head + cols - 1, head - 1];
+      if (surrounding[i] <= (rows * cols) && surrounding[i] > 0) {
+      	var temp = document.getElementById("grid" + surrounding[i]).innerHTML;
+        if (!visited[surrounding[i]] && (temp == mode.toString() || temp == " ")) {
+          queue.push(surrounding[i]);
+        }
+      }
+    }
+  }
+  return false;
+}