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Update script.js with mdoe selection
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‎01-Candy-Crush-Game/script.js‎

Lines changed: 128 additions & 156 deletions
Original file line numberDiff line numberDiff line change
@@ -3,11 +3,23 @@ document.addEventListener("DOMContentLoaded", () => {
33
});
44

55
function candyCrushGame() {
6+
// DOM Elements
67
const grid = document.querySelector(".grid");
78
const scoreDisplay = document.getElementById("score");
9+
const timerDisplay = document.getElementById("timer");
10+
const modeSelection = document.getElementById("modeSelection");
11+
const endlessButton = document.getElementById("endlessMode");
12+
const timedButton = document.getElementById("timedMode");
13+
const changeModeButton = document.getElementById("changeMode");
14+
15+
// Game State Variables
816
const width = 8;
917
const squares = [];
1018
let score = 0;
19+
let currentMode = null;
20+
let timeLeft = 0;
21+
let gameInterval = null;
22+
let timerInterval = null;
1123

1224
const candyColors = [
1325
"url(https://raw.githubusercontent.com/arpit456jain/Amazing-Js-Projects/master/Candy%20Crush/utils/red-candy.png)",
@@ -18,8 +30,10 @@ function candyCrushGame() {
1830
"url(https://raw.githubusercontent.com/arpit456jain/Amazing-Js-Projects/master/Candy%20Crush/utils/purple-candy.png)",
1931
];
2032

21-
// Creating Game Board
33+
// Create the Game Board
2234
function createBoard() {
35+
grid.innerHTML = ""; // Clear existing grid
36+
squares.length = 0; // Clear squares array
2337
for (let i = 0; i < width * width; i++) {
2438
const square = document.createElement("div");
2539
square.setAttribute("draggable", true);
@@ -29,32 +43,21 @@ function candyCrushGame() {
2943
grid.appendChild(square);
3044
squares.push(square);
3145
}
46+
// Add drag event listeners
47+
squares.forEach(square => square.addEventListener("dragstart", dragStart));
48+
squares.forEach(square => square.addEventListener("dragend", dragEnd));
49+
squares.forEach(square => square.addEventListener("dragover", dragOver));
50+
squares.forEach(square => square.addEventListener("dragenter", dragEnter));
51+
squares.forEach(square => square.addEventListener("dragleave", dragLeave));
52+
squares.forEach(square => square.addEventListener("drop", dragDrop));
3253
}
33-
createBoard();
34-
35-
// Dragging the Candy
36-
let colorBeingDragged;
37-
let colorBeingReplaced;
38-
let squareIdBeingDragged;
39-
let squareIdBeingReplaced;
4054

41-
squares.forEach((square) =>
42-
square.addEventListener("dragstart", dragStart)
43-
);
44-
squares.forEach((square) => square.addEventListener("dragend", dragEnd));
45-
squares.forEach((square) => square.addEventListener("dragover", dragOver));
46-
squares.forEach((square) =>
47-
square.addEventListener("dragenter", dragEnter)
48-
);
49-
squares.forEach((square) =>
50-
square.addEventListener("drageleave", dragLeave)
51-
);
52-
squares.forEach((square) => square.addEventListener("drop", dragDrop));
55+
// Drag and Drop Functions
56+
let colorBeingDragged, colorBeingReplaced, squareIdBeingDragged, squareIdBeingReplaced;
5357

5458
function dragStart() {
5559
colorBeingDragged = this.style.backgroundImage;
5660
squareIdBeingDragged = parseInt(this.id);
57-
// this.style.backgroundImage = ''
5861
}
5962

6063
function dragOver(e) {
@@ -66,20 +69,18 @@ function candyCrushGame() {
6669
}
6770

6871
function dragLeave() {
69-
this.style.backgroundImage = "";
72+
// No action needed
7073
}
7174

7275
function dragDrop() {
7376
colorBeingReplaced = this.style.backgroundImage;
7477
squareIdBeingReplaced = parseInt(this.id);
7578
this.style.backgroundImage = colorBeingDragged;
76-
squares[
77-
squareIdBeingDragged
78-
].style.backgroundImage = colorBeingReplaced;
79+
squares[squareIdBeingDragged].style.backgroundImage = colorBeingReplaced;
7980
}
8081

8182
function dragEnd() {
82-
//Defining, What is a valid move?
83+
// Define valid moves (adjacent squares: left, up, right, down)
8384
let validMoves = [
8485
squareIdBeingDragged - 1,
8586
squareIdBeingDragged - width,
@@ -89,186 +90,157 @@ function candyCrushGame() {
8990
let validMove = validMoves.includes(squareIdBeingReplaced);
9091

9192
if (squareIdBeingReplaced && validMove) {
92-
squareIdBeingReplaced = null;
93+
squareIdBeingReplaced = null; // Move is valid, keep the swap
9394
} else if (squareIdBeingReplaced && !validMove) {
94-
squares[
95-
squareIdBeingReplaced
96-
].style.backgroundImage = colorBeingReplaced;
97-
squares[
98-
squareIdBeingDragged
99-
].style.backgroundImage = colorBeingDragged;
100-
} else
101-
squares[
102-
squareIdBeingDragged
103-
].style.backgroundImage = colorBeingDragged;
95+
// Invalid move, revert the swap
96+
squares[squareIdBeingReplaced].style.backgroundImage = colorBeingReplaced;
97+
squares[squareIdBeingDragged].style.backgroundImage = colorBeingDragged;
98+
} else {
99+
// No drop occurred, revert to original
100+
squares[squareIdBeingDragged].style.backgroundImage = colorBeingDragged;
101+
}
104102
}
105103

106-
//Dropping candies once some have been cleared
104+
// Move Candies Down
107105
function moveIntoSquareBelow() {
108-
for (i = 0; i < 55; i++) {
106+
// Fill empty squares in the first row
107+
for (let i = 0; i < width; i++) {
108+
if (squares[i].style.backgroundImage === "") {
109+
let randomColor = Math.floor(Math.random() * candyColors.length);
110+
squares[i].style.backgroundImage = candyColors[randomColor];
111+
}
112+
}
113+
// Move candies down to fill gaps
114+
for (let i = 0; i < width * (width - 1); i++) {
109115
if (squares[i + width].style.backgroundImage === "") {
110-
squares[i + width].style.backgroundImage =
111-
squares[i].style.backgroundImage;
116+
squares[i + width].style.backgroundImage = squares[i].style.backgroundImage;
112117
squares[i].style.backgroundImage = "";
113-
const firstRow = [0, 1, 2, 3, 4, 5, 6, 7];
114-
const isFirstRow = firstRow.includes(i);
115-
if (isFirstRow && squares[i].style.backgroundImage === "") {
116-
let randomColor = Math.floor(
117-
Math.random() * candyColors.length
118-
);
119-
squares[i].style.backgroundImage = candyColors[randomColor];
120-
}
121118
}
122119
}
123120
}
124121

125-
///-> Checking for Matches <-///
126-
127-
//For Row of Four
122+
// Check for Matches
128123
function checkRowForFour() {
129-
for (i = 0; i < 60; i++) {
124+
for (let i = 0; i < 60; i++) {
125+
if (i % width >= width - 3) continue; // Skip if not enough columns left
130126
let rowOfFour = [i, i + 1, i + 2, i + 3];
131127
let decidedColor = squares[i].style.backgroundImage;
132128
const isBlank = squares[i].style.backgroundImage === "";
133-
134-
const notValid = [
135-
5,
136-
6,
137-
7,
138-
13,
139-
14,
140-
15,
141-
21,
142-
22,
143-
23,
144-
29,
145-
30,
146-
31,
147-
37,
148-
38,
149-
39,
150-
45,
151-
46,
152-
47,
153-
53,
154-
54,
155-
55
156-
];
157-
if (notValid.includes(i)) continue;
158-
159-
if (
160-
rowOfFour.every(
161-
(index) =>
162-
squares[index].style.backgroundImage === decidedColor &&
163-
!isBlank
164-
)
165-
) {
129+
if (rowOfFour.every(index => squares[index].style.backgroundImage === decidedColor && !isBlank)) {
166130
score += 4;
167131
scoreDisplay.innerHTML = score;
168-
rowOfFour.forEach((index) => {
169-
squares[index].style.backgroundImage = "";
170-
});
132+
rowOfFour.forEach(index => squares[index].style.backgroundImage = "");
171133
}
172134
}
173135
}
174-
checkRowForFour();
175136

176-
//For Column of Four
177137
function checkColumnForFour() {
178-
for (i = 0; i < 39; i++) {
179-
let columnOfFour = [i, i + width, i + width * 2, i + width * 3];
138+
for (let i = 0; i < 40; i++) {
139+
let columnOfFour = [i, i + width, i + 2 * width, i + 3 * width];
180140
let decidedColor = squares[i].style.backgroundImage;
181141
const isBlank = squares[i].style.backgroundImage === "";
182-
183-
if (
184-
columnOfFour.every(
185-
(index) =>
186-
squares[index].style.backgroundImage === decidedColor &&
187-
!isBlank
188-
)
189-
) {
142+
if (columnOfFour.every(index => squares[index].style.backgroundImage === decidedColor && !isBlank)) {
190143
score += 4;
191144
scoreDisplay.innerHTML = score;
192-
columnOfFour.forEach((index) => {
193-
squares[index].style.backgroundImage = "";
194-
});
145+
columnOfFour.forEach(index => squares[index].style.backgroundImage = "");
195146
}
196147
}
197148
}
198-
checkColumnForFour();
199149

200-
//For Row of Three
201150
function checkRowForThree() {
202-
for (i = 0; i < 61; i++) {
151+
for (let i = 0; i < 62; i++) {
152+
if (i % width >= width - 2) continue; // Skip if not enough columns left
203153
let rowOfThree = [i, i + 1, i + 2];
204154
let decidedColor = squares[i].style.backgroundImage;
205155
const isBlank = squares[i].style.backgroundImage === "";
206-
207-
const notValid = [
208-
6,
209-
7,
210-
14,
211-
15,
212-
22,
213-
23,
214-
30,
215-
31,
216-
38,
217-
39,
218-
46,
219-
47,
220-
54,
221-
55
222-
];
223-
if (notValid.includes(i)) continue;
224-
225-
if (
226-
rowOfThree.every(
227-
(index) =>
228-
squares[index].style.backgroundImage === decidedColor &&
229-
!isBlank
230-
)
231-
) {
156+
if (rowOfThree.every(index => squares[index].style.backgroundImage === decidedColor && !isBlank)) {
232157
score += 3;
233158
scoreDisplay.innerHTML = score;
234-
rowOfThree.forEach((index) => {
235-
squares[index].style.backgroundImage = "";
236-
});
159+
rowOfThree.forEach(index => squares[index].style.backgroundImage = "");
237160
}
238161
}
239162
}
240-
checkRowForThree();
241163

242-
//For Column of Three
243164
function checkColumnForThree() {
244-
for (i = 0; i < 47; i++) {
245-
let columnOfThree = [i, i + width, i + width * 2];
165+
for (let i = 0; i < 48; i++) {
166+
let columnOfThree = [i, i + width, i + 2 * width];
246167
let decidedColor = squares[i].style.backgroundImage;
247168
const isBlank = squares[i].style.backgroundImage === "";
248-
249-
if (
250-
columnOfThree.every(
251-
(index) =>
252-
squares[index].style.backgroundImage === decidedColor &&
253-
!isBlank
254-
)
255-
) {
169+
if (columnOfThree.every(index => squares[index].style.backgroundImage === decidedColor && !isBlank)) {
256170
score += 3;
257171
scoreDisplay.innerHTML = score;
258-
columnOfThree.forEach((index) => {
259-
squares[index].style.backgroundImage = "";
260-
});
172+
columnOfThree.forEach(index => squares[index].style.backgroundImage = "");
261173
}
262174
}
263175
}
264-
checkColumnForThree();
265-
266176

267-
window.setInterval(function () {
177+
// Game Loop
178+
function gameLoop() {
268179
checkRowForFour();
269180
checkColumnForFour();
270181
checkRowForThree();
271182
checkColumnForThree();
272183
moveIntoSquareBelow();
273-
}, 100);
274-
}
184+
}
185+
186+
// Start the Game
187+
function startGame(mode) {
188+
currentMode = mode;
189+
modeSelection.style.display = "none";
190+
grid.style.display = "flex";
191+
scoreDisplay.parentElement.style.display = "flex"; // Show scoreboard
192+
createBoard();
193+
score = 0;
194+
scoreDisplay.innerHTML = score;
195+
gameInterval = setInterval(gameLoop, 100);
196+
197+
if (mode === "timed") {
198+
timeLeft = 120; // 2 minutes in seconds
199+
updateTimerDisplay();
200+
timerInterval = setInterval(() => {
201+
timeLeft--;
202+
updateTimerDisplay();
203+
if (timeLeft <= 0) {
204+
clearInterval(timerInterval);
205+
endGame();
206+
}
207+
}, 1000);
208+
} else {
209+
timerDisplay.innerHTML = ""; // Clear timer in Endless Mode
210+
}
211+
}
212+
213+
// Update Timer Display
214+
function updateTimerDisplay() {
215+
if (currentMode === "timed") {
216+
let minutes = Math.floor(timeLeft / 60);
217+
let seconds = timeLeft % 60;
218+
timerDisplay.innerHTML = `Time Left: ${minutes}:${seconds.toString().padStart(2, "0")}`;
219+
} else {
220+
timerDisplay.innerHTML = "";
221+
}
222+
}
223+
224+
// End Game (Timed Mode)
225+
function endGame() {
226+
clearInterval(gameInterval);
227+
squares.forEach(square => square.setAttribute("draggable", false));
228+
alert(`Time's Up! Your score is ${score}`);
229+
}
230+
231+
// Change Mode
232+
function changeMode() {
233+
clearInterval(gameInterval);
234+
if (currentMode === "timed") {
235+
clearInterval(timerInterval);
236+
}
237+
grid.style.display = "none";
238+
scoreDisplay.parentElement.style.display = "none";
239+
modeSelection.style.display = "flex"; // Show mode selection screen
240+
}
241+
242+
// Event Listeners
243+
endlessButton.addEventListener("click", () => startGame("endless"));
244+
timedButton.addEventListener("click", () => startGame("timed"));
245+
changeModeButton.addEventListener("click", changeMode);
246+
}

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