// Created by Martin // edited by piyush function Rover() { this.angle = 90 this.vel = new Vector(12,0) this.vel.set_angle(this.angle-90) this.width = 18 this.height = 35 this.rocks = [] this.photos = [] this.get_arc = function() { let v = this.vel return this.pos.add(v.set_magnitude(3*12)) } this.analyse_radius = 23 // collect range this.draw = function(redraw_rover) { ctx.beginPath() ctx.strokeStyle = this.scan(world) && this.rocks.length < 5? "green": "red" ctx.arc(this.get_arc().x, this.get_arc().y, this.analyse_radius,0,2*Math.PI) ctx.stroke() ctx.closePath() ctx.save() ctx.translate(this.pos.x, this.pos.y) ctx.rotate(this.angle*Math.PI/180) draw_rover(-this.width/2,-4*this.height/5,20,40,28,10, this.rocks.length,redraw_rover) ctx.restore() } this.set_pos = function(x,y) { this.pos = new Vector(x, y) } this.drive = function(d,i) { if(d == "f") { for(let n = 0; n < i; n++) { world.s() for(let j = 0; j < 400; j+=10) { setTimeout(()=> { let v = this.vel this.pos= this.pos.add(v.set_magnitude(12/40)) update() },j) } let cv = get_canvas_value() setTimeout(()=>{world.c() if(cv-get_canvas_value()>1e5) log(0,"!! Warning almost of range !!") },390) log("f") }} else { for(let n = 0; n < i; n++) { world.s() for(let j = 0; j < 400; j+=10) { setTimeout(()=> { let v = this.vel this.pos= this.pos.sub(v.set_magnitude(12/40)) update() },j) } let cv = get_canvas_value() setTimeout(()=>{world.c() if(cv-get_canvas_value()>1e5) log(0,"!! Warning almost of range !!") },390) log("b") }} } this.turn = function(deg) { world.s() for(let d = 0; d < Math.abs(deg); d++) { setTimeout(()=>{ this.angle += deg > 0? 1: -1 this.vel.set_angle(this.angle-90) update() },d*25) } setTimeout(()=>{world.c()},360) deg > 0? log("r"): log("l") } this.scan = function(world) { for(let rock of world.rocks) { let v = this.get_arc().sub(rock.pos) var ar = this.analyse_radius if(distance(v.x,v.y){ ctx.fillStyle = "black" ctx.fillRect(x+width/6,y+width/6,2*width/3,height/5) update(0) },200) setTimeout(()=>{ ctx.fillStyle = "black" ctx.fillRect(x+width/6,y+width/6,2*width/3,height/5) update() },300) } } /***************************************************************/ /****************************[ROCK]****************************/ var rocks = ["https://i.ibb.co/TPKYSQ4/rock-1.png", "https://i.ibb.co/cxbKzQC/rock-2.png", "https://i.ibb.co/w0R9n4S/rock-3.png"] function Rock() { let chems = ["Water", "Copper", "Ice", "Calcium", "Iridium", "Cobalt", "Iron", "Lead", "Silver"] this.chemical = chems[Math.floor(chems.length*Math.random())] this.value = Math.ceil(40*Math.random())+10 this.size = Math.ceil(2*Math.random()+4)*2 this.img = new Image() let srcs = rocks this.img.crossOrigin = "Anonymous" this.img.src = srcs[Math.floor(srcs.length*Math.random())] this.draw = function() { ctx.drawImage(this.img, this.pos.x-this.size/2, this.pos.y-this.size/2, this.size,this.size) } this.set_pos = function(x,y) { this.pos = new Vector(x,y) } } function draw_stone(x,y,rock) { ctx.drawImage(rock.img,x-rock.size/2,y-rock.size/2, rock.size,rock.size) } /***************************************************************/ /****************************[WORLD]****************************/ mars_surface = "https://i.ibb.co/FsGDGN6/mars.jpg" mars_image = new Image() mars_image.crossOrigin = "Anonymous" mars_image.src = mars_surface function World(width, height) { init_canvas(width, height) this.width = width this.height = height this.rocks = [] this.rover = null this.busy = 0 this.c = function() {this.busy = 0;enable_buttons()} this.s = function() {this.busy = 1;disable_buttons()} this.add = function(object, x, y) { object.set_pos(x,y) if(object instanceof Rock) this.rocks.push(object) if(object instanceof Rover) this.rover = object } this.draw = function(redraw_rover) { ctx.drawImage(mars_image,100,200,this.width,this.height, 0,0,this.width,this.height) for(let rock of this.rocks) rock.draw() this.rover.draw(redraw_rover) } pick_up_button.disabled = 1 analyse_button.disabled = 1 review_button.disabled = 1 } function add_rocks(i) { for(let j = 0; j < i; j++) { world.add(new Rock(),(world.width-40)*Math.random()+20, (world.height-40)*Math.random()+20) } } /***************************************************************/ /***************************[VECTOR]***************************/ function Vector(dx, dy) { this.x = dx this.y = dy this.angle = 0 this.get_magnitude = () => distance(this.x, this.y) this.add = (other) => { if(other instanceof Vector) { return new Vector(this.x+other.x, this.y+other.y) } } this.sub = (other) => { if(other instanceof Vector) { return new Vector(this.x-other.x, this.y- other.y) } } this.mult = (n) => { this.x *= n; this.y *= n; return new Vector(this.x, this.y) } this.set_magnitude = (m) => this.mult(m/this.get_magnitude()) this.set_angle = function(degree) { this.angle = degree m = this.get_magnitude() this.x = Math.cos(this.angle*Math.PI/180) this.y = Math.sin(this.angle*Math.PI/180) this.set_magnitude(m) } } /***************************************************************/ /****************************[PHOTO]****************************/ function Photo() { this.i = c.toDataURL("image/png").replace("image/png", "image/octet-stream"); this.image_width = 150 this.image_height = 150 this.new_width = 250 this.new_height = 250 this.sx = world.rover.get_arc().x-this.image_width/2 this.sy = world.rover.get_arc().y-this.image_height/2 this.img = new Image() this.img.src = this.i this.draw = function() { let x = c.width/2-this.new_width/2 let y = c.height/2-this.new_height/2 ctx.fillStyle = "black" ctx.beginPath() ctx.rect(x-5,y-5,this.new_width+10, this.new_height+10) ctx.fill() ctx.strokeStyle = "#aaa" ctx.lineWidth = 10 ctx.stroke() ctx.lineWidth = 0 ctx.closePath() ctx.drawImage(this.img,this.sx,this.sy, this.image_width,this.image_height, x,y,this.new_width,this.new_height) } } /***************************************************************/ /*****************************[LOG]*****************************/ function Log() { this.types = ["f", "b", "l", "r","c"] this.calls = 0 this.counter = 0 this.last = 0 this.text = "" } log = function(type, text) { if(text) last_log.innerHTML = text else { if(type == "f") last_log.innerHTML = "Drove forward" if(type == "b") last_log.innerHTML = "Drove backwards" if(type == "r") last_log.innerHTML = "Turned 15° right" if(type == "l") last_log.innerHTML = "Turned 15° left" } if(logs.types.indexOf(type) >= 0 && type == logs.last) { logs.counter++ if(text) logs.text += text+"\n" if(type == "c" && logs.counter == 5) { logs.counter = 1 logs.text += "Cleaned rock container\n" last_log.innerHTML = "Cleaned rock container" } } else { if(logs.last == "f") { logs.text += "Drove forward "+convert(logs.counter) logs.text += "\n"} if(logs.last == "b") { logs.text += "Drove backwards "+convert(logs.counter) logs.text += "\n"} if(logs.last == "r") { logs.text += "Turned by 15° right "+ convert(logs.counter); logs.text += "\n"} if(logs.last == "l") { logs.text += "Turned by 15° left "+ convert(logs.counter); logs.text += "\n"} if(logs.types.indexOf(type) >= 0) { logs.last = type; logs.counter = 1 if(text) logs.text += text+"\n" } else { logs.text += text+"\n" logs.counter = 0 logs.last = 0 } } } function convert(counter) { if(counter == 1) return "once" if(counter == 2) return "twice" if(counter == 3) return "thrice" if(counter > 3) return counter+" times" } /***************************************************************/ /**************************[TERMINAL]***************************/ function Terminal(commands) { this.info_text = "\n\n"+ "RCK [n]: Collect n nearby rocks\n"+ "ANL: Analyse last collected rock\n"+ "RLS [n]: Release last n rocks, n = 5 => clean "+ "container\n"+ "PIC: Take a picture\n"+ "LOG: Open log book with all unread commands\n"+ "MOV F [n]: Move forward n times\n"+ "MOV B [n]: Move backwards n times\n"+ "TRN L [n]: Turn 15° left n times\n"+ "TRN R [n]: Turn 15° right n times\n" this.default_text = "MOV F 6\nTRN R 6\nMOV F 3\n"+ "RCK\nANL\nRLS 5\nPIC\nLOG" this.commands = commands this.execute = function() { try{ var a = 0 var l = 450 for(let c of this.commands) { let n = parseInt(c.replace(/[^\d.]/g,'')) if(isNaN(n)) n = 1 setTimeout(()=> { for(let i = 0; i < n; i++) { if(c.toUpperCase().includes("MOV F")) setTimeout(up,l*i) if(c.toUpperCase().includes("MOV B")) setTimeout(down,l*i) if(c.toUpperCase().includes("TRN L")) setTimeout(left,l*i) if(c.toUpperCase().includes("TRN R")) setTimeout(right,l*i) if(c.toUpperCase().includes("ANL")) setTimeout(analyse,l*i) if(c.toUpperCase().includes("RLS")) setTimeout(release,l*i) if(c.toUpperCase().includes("RCK")) setTimeout(pick_up,l*i) if(c.toUpperCase().includes("PIC")) setTimeout(snap,l*i) if(c.toUpperCase().includes("LOG")) setTimeout(view_log,l*i) } },l*a) a += n }} catch(e) { log(0,"Terminal failure") } } } function create_terminal(i) { var div = document.createElement("div") var terminal_input = document.createElement("textarea") var terminal_execute = document.createElement("button") var info_div = document.createElement("div") div.style.position = "absolute" div.style.right = "0" div.style.top = "0" div.style.width = window.innerWidth+"px" div.style.height = "245px" let text = new Terminal().info_text info_div.innerHTML = text.replace(/(?:\r\n|\r|\n)/g, '
') info_div.style.width = window.innerWidth-100+"px" info_div.style.paddingLeft = "20px" info_div.style.paddingRight = "20px" info_div.style.color = "lime" info_div.style.backgroundColor = "black" info_div.style.height = "100%" if(i) terminal_input.style.textTransform = "uppercase" terminal_input.style.position = "absolute" terminal_input.style.right = 0 terminal_input.cols = 10 terminal_input.rows = 15 terminal_input.value = new Terminal().default_text terminal_input.style.backgroundColor = i?"black":"rgba(0,0,0,0.7)" terminal_input.style.color = "lime" terminal_input.style.border = "1px solid lime" terminal_input.style.outline = "none" terminal_execute.style.position = "absolute" terminal_execute.style.right = 0 terminal_execute.style.bottom = 0 terminal_execute.style.width = "75px" terminal_execute.style.height = "40px" terminal_execute.style.border = "2px solid lime" terminal_execute.style.boxShadow = "none" terminal_execute.innerHTML = "Exec" terminal_execute.style.color = "lime" terminal_execute.style.borderRadius = 0 exit_terminal = create_exit_button() exit_terminal.style.width = "40px" exit_terminal.style.height = "40px" exit_terminal.onclick = () => { document.body.removeChild(div) } terminal_execute.onclick = function() { var commands = terminal_input.value.split("\n") terminal_input.value = "" document.body.removeChild(div) setTimeout(()=>{ new Terminal(commands).execute() },1000) } div.appendChild(terminal_input) div.appendChild(terminal_execute) if(i) div.appendChild(exit_terminal) if(i) div.appendChild(info_div) div.terminal_input = terminal_input div.terminal_execute = terminal_execute return div } function create_exit_button(size) { var exit_button = document.createElement("button") exit_button.style.position = "absolute" exit_button.style.bottom = 0 exit_button.style.right = "76px" exit_button.style.width = "30px" exit_button.style.height = "30px" exit_button.style.fontSize = "24px" exit_button.style.color = "red" exit_button.style.borderColor = "red" exit_button.style.borderRadius = 0 exit_button.style.boxShadow = "none" exit_button.innerHTML = "x" return exit_button } /***************************************************************/ /**************************[COMMANDS]***************************/ function up() { if(!world.busy) { world.rover.drive("f", 1) update() }} function down() { if(!world.busy) { world.rover.drive("r", 1) update() }} function right() { if(!world.busy) { world.rover.turn(15) update() }} function left() { if(!world.busy) { world.rover.turn(-15) update() }} function analyse() { world.rover.analyse() update() } function pick_up() { if(!world.busy) { world.rover.pick_up() update() release_button.innerHTML = world.rover.rocks.length? "RLS ("+world.rover.rocks.length+")": "RLS" }} function release() { world.rover.release(1) update() release_button.innerHTML = world.rover.rocks.length? "RLS ("+world.rover.rocks.length+")": "RLS" } function snap() { if(!world.busy) { world.rover.flash = 1 world.s() update() world.rover.photos.push(new Photo()) if(world.rover.photos.length > 10) world.rover.photos.splice(0,1) log(0,"Taking photo #"+rover.photos.length) review_button.disabled = 0 snap_button.disabled = 1 review_button.innerHTML = "See Photo ("+ world.rover.photos.length+")" setTimeout(()=>{world.c()},500) }} function review() { let l = world.rover.photos.length i = parseInt(prompt("Which photo do you want to review?" + " [1-"+l+"]",l)) try { world.rover.photos[i-1].draw() log(0,"Reviewing photo #"+i) snap_button.disabled = 1 var exit_button = create_exit_button() exit_button.style.top = world.height-42+"px" exit_button.style.width = "75px" exit_button.innerHTML = "close" exit_button.style.right = "43px" exit_button.onclick = () => { update() document.body.removeChild(exit_button) } document.body.appendChild(exit_button) } catch(e) {} } function view_log() { logs.last_text = "Reviewing Log #"+ ++logs.calls+"\n" logs.text = logs.text.slice(0,-1) logs.last_text += "\n"+logs.text+"\n";logs.text = "" if(logs.counter != 0) { if(logs.last_text == "Reviewing Log #"+ logs.calls+"\n\n\n") logs.last_text = "Reviewing Log #"+ logs.calls+"\n\n" if(logs.last == "f") logs.last_text += "Drove forward "+convert(logs.counter) if(logs.last == "b") logs.last_text += "Drove backwards "+convert(logs.counter) if(logs.last == "r") logs.last_text += "Turned by 15° right "+ convert(logs.counter) if(logs.last == "l") logs.last_text += "Turned by 15° left "+ convert(logs.counter) logs.last = 0 } var view = create_terminal() view.terminal_input.value = logs.last_text logs.last_text = "" view.style.left = 0 view.style.height = "205px" view.style.width = "275px" view.style.transform = "translate(45px,30px)" view.terminal_input.style.width = "100%" view.terminal_input.style.height = "100%" view.terminal_execute.style.position = "absolute" view.terminal_execute.style.top = 0 view.terminal_execute.style.left = "245px" view.terminal_execute.style.width = "30px" view.terminal_execute.style.height = "30px" view.terminal_execute.style.fontSize = "24px" view.terminal_execute.style.color = "red" view.terminal_execute.style.borderColor = "red" view.terminal_execute.innerHTML = "x" view.terminal_execute.onclick = function() { document.body.removeChild(view) } view.terminal_input.readOnly = 1 document.body.appendChild(view) } function terminal() { document.body.appendChild(create_terminal(1)) } /***************************************************************/ /***********************[OTHER FUNCTIONS]***********************/ function update(redraw_rover) { clear() world.draw(redraw_rover) snap_button.disabled = 0 } function distance(x,y) { return Math.sqrt(Math.pow(x,2)+Math.pow(y,2)) } function sum(iterable) { var s = 0 for(let i of iterable) s += i return s } function init_canvas(w,h) { c = document.getElementById("cvs") ctx = c.getContext("2d") c.width = w c.height = h } function clear() { c.width = c.width } function disable_buttons() { for(button of buttons) button.disabled = 1 } function enable_buttons() { for(button of buttons) button.disabled = 0 } /***************************************************************/ /*****************************[MAIN]****************************/ window.onload = () => { analyse_button = document.getElementById("analyse") release_button = document.getElementById("release") snap_button = document.getElementById("snap") review_button = document.getElementById("review") pick_up_button = document.getElementById("pick") up_button = document.getElementById("up") right_button = document.getElementById("right") left_button = document.getElementById("left") down_button = document.getElementById("down") last_log = document.getElementById("last_log") buttons = [up_button, right_button, left_button, down_button] last_log.onclick = view_log logs = new Log() world = new World(340,300) rover = new Rover() rock = new Rock() world.add(rover, 50,50) world.add(rock, 120,130) add_rocks(19) world.draw() setTimeout(()=> { document.body.removeChild(document.getElementById("splash")) update() },2000*Math.random()+3000) } /***************************************************************/

rover game at mars