Skip to content

Update index.js #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
lukeattard wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Update index.js #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
32 changes: 24 additions & 8 deletions index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,8 @@ class SnakePart {
let speed = 7;

let tileCount = 20;
let tileSize = canvas.width / tileCount - 2;
let tileSize = canvas.width / tileCount;
let tileFillSize = tileSize - 2;

let headX = 10;
let headY = 10;
Expand Down Expand Up @@ -125,7 +126,12 @@ function drawSnake() {
ctx.fillStyle = "green";
for (let i = 0; i < snakeParts.length; i++) {
let part = snakeParts[i];
ctx.fillRect(part.x * tileCount, part.y * tileCount, tileSize, tileSize);
ctx.fillRect(
part.x * tileSize + 1,
part.y * tileSize + 1,
tileFillSize,
tileFillSize
);
}

snakeParts.push(new SnakePart(headX, headY)); //put an item at the end of the list next to the head
Expand All @@ -134,7 +140,12 @@ function drawSnake() {
}

ctx.fillStyle = "orange";
ctx.fillRect(headX * tileCount, headY * tileCount, tileSize, tileSize);
ctx.fillRect(
headX * tileSize + 1,
headY * tileSize + 1,
tileFillSize,
tileFillSize
);
}

function changeSnakePosition() {
Expand All @@ -144,7 +155,12 @@ function changeSnakePosition() {

function drawApple() {
ctx.fillStyle = "red";
ctx.fillRect(appleX * tileCount, appleY * tileCount, tileSize, tileSize);
ctx.fillRect(
appleX * tileSize + 1,
appleY * tileSize + 1,
tileFillSize,
tileFillSize
);
}

function checkAppleCollision() {
Expand All @@ -163,31 +179,31 @@ function keyDown(event) {
//up
if (event.keyCode == 38 || event.keyCode == 87) {
//87 is w
if (inputsYVelocity == 1) return;
if (yVelocity == 1) return;
inputsYVelocity = -1;
inputsXVelocity = 0;
}

//down
if (event.keyCode == 40 || event.keyCode == 83) {
// 83 is s
if (inputsYVelocity == -1) return;
if (yVelocity == -1) return;
inputsYVelocity = 1;
inputsXVelocity = 0;
}

//left
if (event.keyCode == 37 || event.keyCode == 65) {
// 65 is a
if (inputsXVelocity == 1) return;
if (xVelocity == 1) return;
inputsYVelocity = 0;
inputsXVelocity = -1;
}

//right
if (event.keyCode == 39 || event.keyCode == 68) {
//68 is d
if (inputsXVelocity == -1) return;
if (xVelocity == -1) return;
inputsYVelocity = 0;
inputsXVelocity = 1;
}
Expand Down