"use strict"; var canvas, ctx, width, height, mx, my, loop; var snake; var listElt; var trail = []; var obstacles = []; var powerups = []; var images = [{}, {}]; var gamemode = 0; var frameCount = 0; var scroll = 0; var speed = 2.5; var highscore = 0; var score = 0; var shield = 0; var boost = -Infinity; var skin = 0; var colors = [["#999", "red"], ["#6D9B2F", "orange"]]; var device = /Mobi/.test(navigator.userAgent); var name = prompt("Thanks for a 100 upvotes!\n\nNow you can submit your score to the leaderboard(button in top right corner)\n\nWrite your name in this prompt to submit your score to the leaderboard or hit cancel to not submit\n\nleaderboard! (DON'T CHEAT!)"); var start = function () { canvas = document.getElementById("canvas"); ctx = canvas.getContext("2d"); setSize(canvas, innerWidth, innerHeight); ctx.fillStyle = "#333333"; ctx.fillRect(0, 0, width, height); var imgs = document.getElementsByClassName("0"); for(var i in imgs) { images[0][imgs[i].id] = imgs[i]; } imgs = document.getElementsByClassName("1"); for(var i in imgs) { images[1][imgs[i].id] = imgs[i]; } snake = new Snake(); window.addEventListener("resize", function () { setSize(canvas, innerWidth, innerHeight); ctx.fillStyle = "#333333"; ctx.fillRect(0, 0, width, height); }); canvas.addEventListener("touchstart", touchStart); if(!device) canvas.addEventListener("mousedown", mousePress) window.addEventListener("touchmove", touchMove); if(!device) window.addEventListener("mousemove", mouseMove); window.addEventListener("touchend", touchEnd); listElt = document.getElementById ("leaderboard"); requestAnimationFrame(loop); } document.addEventListener("DOMContentLoaded", start); var loop = function () { if (gamemode!=3 && gamemode!=4) { ctx.clearRect(0, 0, width, height); ctx.fillStyle = "#333333"; ctx.fillRect(0, 0, width, height); } if (gamemode == 3) { ctx.globalAlpha = 0.5; ctx.fillStyle = "#000"; ctx.fillRect(0, 0, width, height); ctx.globalAlpha = 1; ctx.fillStyle = "#fff"; ctx.font = "35px Arial"; ctx.textAlign = "center"; ctx.fillText("Paused", width/2, 50); ctx.font = "25px Arial"; ctx.fillText("hold down your finger!", width/2, 90); gamemode++ } else if(gamemode==0 || gamemode==2) { ctx.fillStyle = "#fff"; ctx.font = "35px Arial"; ctx.textAlign = "center"; ctx.fillText("Crazy Snake Attack:", width/2, 50); ctx.fillText("SoloLearn Edition", width/2, 90); ctx.font = "20px Arial"; ctx.fillText("Made by Ask Plays", width/2, 120); ctx.drawImage(images[skin]["snake"], width/2-100, 130, 200, 200); ctx.font = (45+Math.sin(frameCount/10)*10) + "px Arial"; ctx.fillText("Click To Start", width/2, 365+(Math.sin(frameCount/10)*5)); ctx.fillStyle = colors[skin][0]; ctx.fillRect(width/2-65, 380, 130, 35); ctx.font = "20px Arial"; ctx.fillStyle = "#fff"; ctx.fillText("Change Skin", width/2, 405); ctx.textAlign = "end"; ctx.font = "25px Arial"; ctx.fillStyle = "#ff0000"; ctx.fillText("Tip: Avoid " + colors[skin][1], width-10, height-10); if(gamemode==2) { ctx.textAlign = "start"; ctx.font = "25px Arial"; ctx.fillStyle = "#00ff00"; ctx.fillText("Score: " + Math.round(score), 10, height-10); ctx.textAlign = "center"; ctx.fillText("Highscore: " + Math.round(highscore), width/2, height-50); } } else if(gamemode==1) { snake.update(); if(frameCount%4==0) trail.push({x: snake.x, y:snake.y-scroll}) ctx.lineWidth = 60; ctx.strokeStyle = colors[skin][0]; ctx.beginPath(); if(trail.length >0) ctx.moveTo(trail[0].x, height+30); ctx.lineCap = "round"; ctx.lineJoin = "round"; for(var i=0; iheight+40) { trail.splice(i, 1); i--; } } ctx.lineTo(snake.x, +snake.y) ctx.stroke(); if(Math.random()*32000/(frameCount-boost<60*3 ? speed*5: speed)/width<1 && (frameCount-boost>60*3 || frameCount-boost<60*(3-(6/(speed*0.95))))) obstacles.push(new Obstacle(Math.random()*width)); for(var i=0; iheight+30) { obstacles.splice(i, 1); i--; } else if(dist(snake.x, snake.y, obstacles[i].x, obstacles[i].y+scroll)<60) { if(frameCount-boost<60*3); else if(shield>0) { shield--; obstacles.splice(i, 1); i--; } else { gamemode = 2; score = scroll; scroll = 0; speed = 2.5; if(score > highscore ) highscore = score ; obstacles = []; trail = []; powerups = []; privateCode.submitScore (); document.querySelector ("#button").style.visibility = "visible"; document.querySelector ("#button").style["pointer-events"] = "auto"; } } } if(Math.random()*1200/(1+speed/2)<1) powerups.push (new Powerup(Math.random()*width, ["shield", "boost"][Math.floor(Math.random()*1.5)])); for(var i=0; iheight+30) { powerups.splice(i, 1); i--; } else if(dist(snake.x, snake.y, powerups [i].x, powerups[i].y+scroll)<60) { powerups[i].use(); powerups.splice(i, 1); i--; } } snake.draw(); ctx.textAlign = "center"; ctx.font = "25px Arial"; ctx.fillStyle = "#fff"; if(shield > 0) { if(skin == 0) ctx.fillText("<"+shield+">", snake.x, snake.y+10); else if (skin == 1) ctx.fillText(shield, snake.x, snake.y+10); } ctx.textAlign = "start"; ctx.fillStyle = "#00ff00"; ctx.fillText("Score: " + Math.round(scroll), 10, height-10); speed += 0.0015; if(frameCount-boost<60*3) scroll += speed*5; else scroll += speed; } if(gamemode != 3) frameCount++; requestAnimationFrame(loop); } function circle (x, y, r) { ctx.beginPath(); ctx.arc(x, y, r, 0, 2*Math.PI); ctx.closePath(); ctx.fill(); } function setSize(canv, w, h) { canv.style.width = w + "px"; canv.style.height = h + "px"; width = w; height = h; canv.width = w*window.devicePixelRatio; canv.height = h*window.devicePixelRatio; canv.getContext("2d").scale (window.devicePixelRatio, window.devicePixelRatio); } function dist(x1, y1, x2, y2) { return Math.sqrt(Math.pow(x1-x2, 2) + Math.pow(y1-y2, 2)) } function showBoard() { var div = listElt.parentElement; if(!div.style.visibility) div.style.visibility = "hidden"; if (div.style.visibility == "hidden") { div.style.visibility = "visible"; div.style["pointer-events"] = "auto"; } else { div.style.visibility = "hidden"; div.style["pointer-events"] = "none"; } } function touchStart(e) { var touches = e.changedTouches; mx = touches[0].clientX; my = touches[0].clientY; if (mx > width/2-65 && mx < width/2+65 && my>380 && my<415 && (gamemode == 0 || gamemode == 2)) { skin = (skin+1)%colors.length; } else if(gamemode!=1) { gamemode=1; document.querySelector ("#button").style.visibility = "hidden"; document.querySelector ("#button").style["pointer-events"] = "none"; } } function mousePress(e) { mx = e.clientX; my = e.clientY; if (mx > width/2-65 && mx < width/2+65 && my>380 && my<415 && (gamemode == 0 || gamemode == 2)) { skin = (skin+1)%colors.length; } else if(gamemode!=1) { gamemode=1; document.querySelector ("#button").style.visibility = "hidden"; document.querySelector ("#button").style["pointer-events"] = "none"; } } function touchMove(e) { let touches = e.changedTouches; mx = touches[0].clientX; my = touches[0].clientY; } function mouseMove(e) { mx = e.clientX; my = e.clientY; } function touchEnd(e) { let touches = e.changedTouches; mx = touches[0].clientX; my = touches[0].clientY; if(gamemode == 1) gamemode = 3; } class Snake { constructor() { this.x = width*0.5; this.y = height*0.8; var touching = true; while(touching) { touching = false; for(var i=0; imx) this.x -= Math.min(Math.sqrt(Math.abs(this.x-mx)), Math.abs(this.x-mx)); } draw () { ctx.fillStyle = colors[skin][0]; circle(this.x, this.y, 30) ctx.drawImage(images[skin]["snake"], this.x-30, this.y-30, 60, 60); } } class Obstacle { constructor(x) { this.x = x; this.y = -30-scroll; var count = width/120; while(count>=width/120) { count = 0; for(var i=0; i=width/120) this.y -= 180; } } draw () { ctx.drawImage(images[skin]["obstacle"], this.x-30, this.y-30+scroll, 60, 60); } } class Powerup { constructor(x, type) { this.x = x; this.y = -30-scroll; this.type = type; var touch = true; var count = 0; while(touch && count < 100) { touch = false; for(var i=0; i

snakee