Play
:quality(85)/https://cdn.frvr.ai/6851cc462469ce01f3eb1ab4.png)
:quality(85)/https://cdn.frvr.ai/6851cc792469ce01f3eb1ac9.png)
#Snakegame
#Snake
#Apple
#Mobilegame
Creation History
Code edit (1 edits merged)
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snake be very fast ↪💡 Consider importing and using the following plugins: @upit/tween.v1
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Let the snake's body turn smoothly in one piece, not in multiple pieces. And let the snake's speed increase. ↪💡 Consider importing and using the following plugins: @upit/tween.v1
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When the snake hits itself, the screen will display the message "You bit yourself" and the restart screen will appear.
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (2 edits merged)
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Please fix the bug: 'Cannot read properties of undefined (reading 'addEventListener')' in or related to this line: 'document.addEventListener('DOMContentLoaded', function () {' Line Number: 12
Code edit (1 edits merged)
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (1 edits merged)
Please save this source code
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (1 edits merged)
Please save this source code
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (1 edits merged)
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (1 edits merged)
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (1 edits merged)
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restore the game to its previous state
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Please fix the bug: 'ReferenceError: appleWidth is not defined' in or related to this line: 'return Math.sqrt(dx * dx + dy * dy);' Line Number: 40
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
Code edit (2 edits merged)
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The snake's head is not visible
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Please fix the bug: 'Cannot read properties of undefined (reading 'getElementById')' in or related to this line: 'var cnv = document.getElementById('gameCanvas'),' Line Number: 11
/****
* Initialize Game
****/
var game = new LK.Game({
backgroundColor: 0x000000
});
/****
* Game Code
****/
var segmentLength = 10,
startingSegments = 20,
spawn = {
x: 0,
y: 2732 / 2
},
snakeSpeed = 5,
maxApples = 5,
appleLife = 500,
segmentsPerApple = 3,
snakeWidth = 5,
appleWidth = 5,
cursorSize = 10,
snakeColor = [100, 255, 100, 1],
appleColor = [0, 255, 0, 1],
cursorColor = [255, 255, 255, 1],
cursorColorMod = [0, -255, -255, 0],
targetColor = [0, 0, 255, 1],
targetColorMod = [255, 0, -255, 0],
scoreColor = [255, 255, 255, 1],
cursorSpin = 0.075,
snake,
cursor,
target,
apples,
score,
gameState,
deathMeans;
function distance(p1, p2) {
var dx = p2.x - p1.x;
var dy = p2.y - p1.y;
return Math.sqrt(dx * dx + dy * dy);
}
function lineIntersect(p0_x, p0_y, p1_x, p1_y, p2_x, p2_y, p3_x, p3_y) {
var s1_x = p1_x - p0_x,
s1_y = p1_y - p0_y,
s2_x = p3_x - p2_x,
s2_y = p3_y - p2_y,
s = (-s1_y * (p0_x - p2_x) + s1_x * (p0_y - p2_y)) / (-s2_x * s1_y + s1_x * s2_y),
t = (s2_x * (p0_y - p2_y) - s2_y * (p0_x - p2_x)) / (-s2_x * s1_y + s1_x * s2_y);
if (s >= 0 && s <= 1 && t >= 0 && t <= 1) {
return true;
}
return false;
}
function SGM(angle, x, y) {
this.x = x || 0;
this.y = y || 0;
this.angle = angle || 0;
this.parent = null;
}
;
SGM.prototype.endX = function () {
return this.x + Math.cos(this.angle) * segmentLength;
};
SGM.prototype.endY = function () {
return this.y + Math.sin(this.angle) * segmentLength;
};
SGM.prototype.pointAt = function (x, y) {
var dx = x - this.x,
dy = y - this.y;
this.angle = Math.atan2(dy, dx);
};
SGM.prototype.target = function (x, y) {
this.targetX = x;
this.targetY = y;
this.arrived = false;
this.totalDist = distance({
x: this.endX(),
y: this.endY()
}, {
x: this.targetX,
y: this.targetY
});
this.currentDist = parseInt(this.totalDist);
};
SGM.prototype.gotoTarget = function () {
if (!this.arrived) {
if (this.targetX > this.x + segmentLength || this.targetX < this.x - segmentLength || this.targetY > this.y + segmentLength || this.targetY < this.y - segmentLength) {
this.pointAt(this.targetX, this.targetY);
} else {
this.arrived = true;
}
this.currentDist = distance({
x: this.endX(),
y: this.endY()
}, {
x: this.targetX,
y: this.targetY
});
}
this.x += (this.endX() - this.x) / snakeSpeed;
this.y += (this.endY() - this.y) / snakeSpeed;
this.parent.drag(this.x, this.y);
};
SGM.prototype.drag = function (x, y) {
this.pointAt(x, y);
this.x = x - Math.cos(this.angle) * segmentLength;
this.y = y - Math.sin(this.angle) * segmentLength;
if (this.parent) {
this.parent.drag(this.x, this.y);
}
};
function IKR(x, y) {
this.ix = x || 0;
this.iy = y || 0;
this.sgms = [];
this.lastArm = null;
}
;
IKR.prototype.addSeg = function (angle) {
var arm = new SGM(angle);
if (this.lastArm !== null) {
arm.x = this.lastArm.endX();
arm.y = this.lastArm.endY();
arm.parent = this.lastArm;
} else {
arm.x = this.ix;
arm.y = this.iy;
}
this.sgms.push(arm);
this.lastArm = arm;
};
IKR.prototype.grow = function () {
var tail = this.sgms[0],
arm = new SGM(tail.angle);
arm.x = tail.x - Math.cos(tail.angle) * segmentLength;
arm.y = tail.y - Math.sin(tail.angle) * segmentLength;
tail.parent = arm;
this.sgms.unshift(arm);
};
IKR.prototype.drag = function (x, y) {
this.lastArm.drag(x, y);
};
function CUR(x, y) {
this.x = x;
this.y = y;
this.rotation = 0;
}
;
function Apple(x, y) {
this.x = x;
this.y = y;
this.life = appleLife;
this.rotation = 0;
}
Apple.prototype.update = function () {
this.life--;
};
function init() {
snake = new IKR(spawn.x, spawn.y);
cursor = new CUR(-20, -20);
target = new CUR(spawn.x + segmentLength * (startingSegments + 5), spawn.y);
apples = [];
score = 0;
for (var i = 0; i < startingSegments; i++) {
snake.addSeg();
}
snake.lastArm.target(target.x, target.y);
gameState = 'play';
}
init();
game.move = function (x, y, obj) {
switch (gameState) {
case 'play':
cursor.x = x;
cursor.y = y;
break;
}
};
game.down = function (x, y, obj) {
switch (gameState) {
case 'play':
target.x = x;
target.y = y;
snake.lastArm.target(target.x, target.y);
break;
case 'dead':
init();
break;
}
};
function badPlacement(apple) {
for (var s = 0; s < snake.sgms.length; s++) {
var seg = snake.sgms[s];
if (Math.min(distance(apple, {
x: seg.endX(),
y: seg.endY()
}), distance(apple, {
x: seg.x,
y: seg.y
})) < appleWidth * 2) {
return true;
}
}
return false;
}
function addScoreSegments() {
for (var i = 0; i < segmentsPerApple; i++) {
snake.grow();
}
}
function update() {
if (gameState !== 'dead') {
snake.lastArm.gotoTarget();
if (snake.lastArm.endX() > 2048 - 2 || snake.lastArm.endX() < 2 || snake.lastArm.endY() > 2732 - 2 || snake.lastArm.endY() < 2) {
gameState = 'dead';
deathMeans = 'Duvara çarptın...';
return;
}
for (var s = 0; s < snake.sgms.length - 2; s++) {
var seg = snake.sgms[s];
if (lineIntersect(snake.lastArm.x, snake.lastArm.y, snake.lastArm.endX(), snake.lastArm.endY(), seg.x, seg.y, seg.endX(), seg.endY())) {
gameState = 'dead';
deathMeans = 'Kendini ısırdın!';
return;
}
for (var a in apples) {
var apple = apples[a];
if (Math.min(distance(apple, {
x: seg.endX(),
y: seg.endY()
}), distance(apple, {
x: seg.x,
y: seg.y
})) < appleWidth * 2) {
score += Math.round(apple.life / 2); // half score if absorbed by the tail
apples.splice(a, 1);
addScoreSegments();
}
}
}
for (var a in apples) {
var apple = apples[a];
apple.update();
if (apple.life <= 0) {
apples.splice(a, 1);
continue;
}
if (distance(apple, {
x: snake.lastArm.endX(),
y: snake.lastArm.endY()
}) < appleWidth * 2) {
score += apple.life;
apples.splice(a, 1);
addScoreSegments();
}
}
if (apples.length < maxApples && Math.random() < .1) {
var offset = appleWidth * 10,
apple = new Apple(offset / 2 + Math.floor(Math.random() * (2048 - offset)), offset / 2 + Math.floor(Math.random() * (2732 - offset)));
while (badPlacement(apple)) {
apple.x = offset / 2 + Math.floor(Math.random() * (2048 - offset));
apple.y = offset / 2 + Math.floor(Math.random() * (2732 - offset));
}
apples.push(apple);
}
}
}
game.update = function () {
update();
if (gameState === 'dead') {
LK.showGameOver();
}
};
snake.lastArm.target(target.x, target.y); ===================================================================
--- original.js
+++ change.js
@@ -7,15 +7,13 @@
/****
* Game Code
****/
-var cnv = document.getElementById('gameCanvas'),
- ctx = cnv.getContext('2d'),
- segmentLength = 10,
+var segmentLength = 10,
startingSegments = 20,
spawn = {
x: 0,
- y: cnv.height / 2
+ y: 2732 / 2
},
snakeSpeed = 5,
maxApples = 5,
appleLife = 500,
@@ -112,11 +110,8 @@
if (this.parent) {
this.parent.drag(this.x, this.y);
}
};
-SGM.prototype.render = function (context) {
- context.lineTo(this.endX(), this.endY());
-};
function IKR(x, y) {
this.ix = x || 0;
this.iy = y || 0;
this.sgms = [];
@@ -152,25 +147,8 @@
this.y = y;
this.rotation = 0;
}
;
-CUR.prototype.render = function (context) {
- context.save();
- context.translate(this.x, this.y);
- context.rotate(this.rotation);
- context.beginPath();
- context.moveTo(0, -cursorSize);
- context.lineTo(0, -cursorSize / 2);
- context.moveTo(0, cursorSize / 2);
- context.lineTo(0, cursorSize);
- context.moveTo(-cursorSize, 0);
- context.lineTo(-cursorSize / 2, 0);
- context.moveTo(cursorSize / 2, 0);
- context.lineTo(cursorSize, 0);
- context.stroke();
- context.restore();
- this.rotation = (this.rotation + cursorSpin) % 360;
-};
function Apple(x, y) {
this.x = x;
this.y = y;
this.life = appleLife;
@@ -178,21 +156,8 @@
}
Apple.prototype.update = function () {
this.life--;
};
-Apple.prototype.render = function (context) {
- context.beginPath();
- context.arc(this.x, this.y, appleWidth, 0, Math.PI * 2);
- context.fill();
- if (gameState !== 'dead') {
- context.save();
- context.fillStyle = 'white';
- context.font = '8px sans-serif';
- context.fillText(this.life, this.x + 10, this.y + 10);
- context.restore();
- CUR.prototype.render.call(this, context);
- }
-};
function init() {
snake = new IKR(spawn.x, spawn.y);
cursor = new CUR(-20, -20);
target = new CUR(spawn.x + segmentLength * (startingSegments + 5), spawn.y);
@@ -204,28 +169,28 @@
snake.lastArm.target(target.x, target.y);
gameState = 'play';
}
init();
-cnv.addEventListener('mousemove', function (e) {
+game.move = function (x, y, obj) {
switch (gameState) {
case 'play':
- cursor.x = e.offsetX;
- cursor.y = e.offsetY;
+ cursor.x = x;
+ cursor.y = y;
break;
}
-});
-cnv.addEventListener('mousedown', function (e) {
+};
+game.down = function (x, y, obj) {
switch (gameState) {
case 'play':
- target.x = e.offsetX;
- target.y = e.offsetY;
+ target.x = x;
+ target.y = y;
snake.lastArm.target(target.x, target.y);
break;
case 'dead':
init();
break;
}
-});
+};
function badPlacement(apple) {
for (var s = 0; s < snake.sgms.length; s++) {
var seg = snake.sgms[s];
if (Math.min(distance(apple, {
@@ -247,9 +212,9 @@
}
function update() {
if (gameState !== 'dead') {
snake.lastArm.gotoTarget();
- if (snake.lastArm.endX() > cnv.width - 2 || snake.lastArm.endX() < 2 || snake.lastArm.endY() > cnv.height - 2 || snake.lastArm.endY() < 2) {
+ if (snake.lastArm.endX() > 2048 - 2 || snake.lastArm.endX() < 2 || snake.lastArm.endY() > 2732 - 2 || snake.lastArm.endY() < 2) {
gameState = 'dead';
deathMeans = 'Duvara çarptın...';
return;
}
@@ -292,92 +257,20 @@
}
}
if (apples.length < maxApples && Math.random() < .1) {
var offset = appleWidth * 10,
- apple = new Apple(offset / 2 + Math.floor(Math.random() * (cnv.width - offset)), offset / 2 + Math.floor(Math.random() * (cnv.height - offset)));
+ apple = new Apple(offset / 2 + Math.floor(Math.random() * (2048 - offset)), offset / 2 + Math.floor(Math.random() * (2732 - offset)));
while (badPlacement(apple)) {
- apple.x = offset / 2 + Math.floor(Math.random() * (cnv.width - offset));
- apple.y = offset / 2 + Math.floor(Math.random() * (cnv.height - offset));
+ apple.x = offset / 2 + Math.floor(Math.random() * (2048 - offset));
+ apple.y = offset / 2 + Math.floor(Math.random() * (2732 - offset));
}
apples.push(apple);
}
}
}
-function drawTarget(targetModFactor) {
- if (!snake.lastArm.arrived) {
- ctx.strokeStyle = 'rgba(' + (targetColor[0] + targetColorMod[0] * targetModFactor).toFixed(0) + ',' + (targetColor[1] + targetColorMod[1] * targetModFactor).toFixed(0) + ',' + (targetColor[2] + targetColorMod[2] * targetModFactor).toFixed(0) + ',' + (targetColor[3] + targetColorMod[3] * targetModFactor).toFixed(0) + ')';
- ctx.lineWidth = 1;
- target.render(ctx);
- }
-}
-function drawSnake() {
- ctx.beginPath();
- ctx.strokeStyle = ctx.fillStyle = 'rgba(' + snakeColor[0] + ',' + snakeColor[1] + ',' + snakeColor[2] + ',' + snakeColor[3] + ')';
- ctx.lineWidth = snakeWidth;
- ctx.moveTo(snake.sgms[0].x, snake.sgms[0].y);
- for (var s in snake.sgms) {
- snake.sgms[s].render(ctx);
- }
- ctx.stroke();
- ctx.beginPath();
- ctx.arc(snake.lastArm.endX(), snake.lastArm.endY(), appleWidth * .75, 0, Math.PI * 2);
- ctx.fill();
-}
-function drawCursor(targetModFactor) {
- ctx.strokeStyle = 'rgba(' + (cursorColor[0] + cursorColorMod[0] * targetModFactor).toFixed(0) + ',' + (cursorColor[1] + cursorColorMod[1] * targetModFactor).toFixed(0) + ',' + (cursorColor[2] + cursorColorMod[2] * targetModFactor).toFixed(0) + ',' + (cursorColor[3] + cursorColorMod[3] * targetModFactor).toFixed(0) + ')';
- ctx.lineWidth = 1;
- cursor.render(ctx);
-}
-function drawApples() {
- ctx.fillStyle = 'rgba(' + appleColor[0] + ',' + appleColor[1] + ',' + appleColor[2] + ',' + appleColor[3] + ')';
- for (var a in apples) {
- var apple = apples[a],
- appleTargetMod = 1 - apple.life / appleLife;
- ctx.strokeStyle = 'rgba(' + (cursorColor[0] + cursorColorMod[0] * appleTargetMod).toFixed(0) + ',' + (cursorColor[1] + cursorColorMod[1] * appleTargetMod).toFixed(0) + ',' + (cursorColor[2] + cursorColorMod[2] * appleTargetMod).toFixed(0) + ',' + (cursorColor[3] + cursorColorMod[3] * appleTargetMod).toFixed(0) + ')';
- ctx.lineWidth = 1;
- apple.render(ctx);
- }
-}
-function render() {
- var targetModFactor = 1 - snake.lastArm.currentDist / snake.lastArm.totalDist;
- switch (gameState) {
- case 'play':
- ctx.clearRect(0, 0, cnv.width, cnv.height);
- drawTarget(targetModFactor);
- drawSnake();
- drawApples();
- drawCursor(targetModFactor);
- ctx.fillStyle = 'rgba(' + scoreColor[0] + ',' + scoreColor[1] + ',' + scoreColor[2] + ',' + scoreColor[3] + ')';
- ctx.textAlign = 'left';
- ctx.textBaseline = 'top';
- ctx.fillText('Puan: ' + score, 10, 10);
- break;
- case 'dead':
- ctx.clearRect(0, 0, cnv.width, cnv.height);
- drawSnake();
- drawApples();
- ctx.fillStyle = 'rgba(255,0,0,0.5)';
- ctx.fillRect(100, 100, cnv.width - 200, cnv.height - 200);
- ctx.textAlign = 'center';
- ctx.textBaseline = 'middle';
- ctx.fillStyle = ctx.strokeStyle = 'white';
- ctx.font = 'bold 30px sans-serif';
- ctx.fillText('Öldün', cnv.width / 2, cnv.height / 2 - 70);
- ctx.font = 'bold 25px sans-serif';
- ctx.fillText(deathMeans, cnv.width / 2, cnv.height / 2 - 30);
- ctx.font = '20px sans-serif';
- ctx.fillText('Puan:', cnv.width / 2, cnv.height / 2 + 15);
- ctx.font = 'bold 60px sans-serif';
- ctx.fillText(score, cnv.width / 2, cnv.height / 2 + 60);
- ctx.font = 'lighter 10px sans-serif';
- ctx.lineWidth = 1;
- ctx.strokeRect(103, 103, cnv.width - 206, cnv.height - 206);
- break;
- }
-}
-function animate() {
+game.update = function () {
update();
- render();
- requestAnimationFrame(animate);
-}
-snake.lastArm.target(target.x, target.y);
-animate();
\ No newline at end of file
+ if (gameState === 'dead') {
+ LK.showGameOver();
+ }
+};
+snake.lastArm.target(target.x, target.y);
\ No newline at end of file
Used plugins
@upit/tween@upit/storage
