Drop the Ball

리버티게임, 모두가 만들어가는 자유로운 게임
Applications-system.png원개발자 이외에는 편집을 할 수 없는 게임
이 게임은 원개발자 이외에는 편집을 할 수 없는 게임입니다.
이 게임을 잘못 수정하면 게임을 망치거나 오류가 날 수 있으므로 편집하지 마십시오.
버그가 있으면 수정하지 마시고 게임 토론이나 해당 개발자의 사용자 토론에 알려주세요.
GRAC Test Square.svg이 게임은 자체 등급 심의를 바탕으로 제작 평가용 게임으로 지정하였습니다.
등급 지정일: 2023년 8월 6일
var DB= window.localStorage;

document.write('<div id="canvasArea"> </div> 단계를 선택할 때에는, 방향키 및 엔터만 사용하세요. (위쪽 방향키로 월드 선택 취소가 가능합니다.)<br /> 게임 중에는, 점선 위의 원하는 지역을 클릭해 공을 추가하세요. <br /> R키를 눌러 단계를 다시 시작할 수 있습니다. Q키로 단계에서 나갈 수 있습니다.<br />저장은 자동입니다.<br /><br /><br />');

var canvasArea = document.getElementById('canvasArea');
canvasArea.innerHTML = '<canvas id="myCanvas" width="720" height="480" style="border:1px solid #000000;"> </canvas>';
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");

const restitution = 0.9;

var abs = function(x) {
  if (x < 0) return -x;
  return x;
};

var SQR = function(x) {
  return x * x;
}

var max = function(x, y){
  if(x<y) return y;
  return x;
}

class Point {
  constructor(x, y) {
    this.x = x;
    this.y = y;
  }
}

var changeCoordinates = function(p, deg) {
  return new Point(p.x * Math.cos(deg) + p.y * Math.sin(deg),
    p.y * Math.cos(deg) - p.x * Math.sin(deg));
}

class Sphere {
  constructor(x, y, r, movable) {
    this.type = 'Sphere';
    this.center = new Point(x, y);
    this.r = r;
    this.movable = movable;
    this.vx = 0;
    this.vy = 0;
    this.exist = 1;

    if (movable) {
      this.mass = Math.PI * r * r;
    } else this.mass = 1e20;

    console.log(this.mass);
  }

  updateLocation() {
    if (!this.movable) return;
    if (this.center.x - this.r < 0) {
      this.vx = abs(this.vx) * restitution;
      this.center.x = this.r;
    }
    if (this.center.x + this.r > 720) {
      this.vx = -abs(this.vx) * restitution;
      this.center.x = 720 - this.r;
    }
    if (this.center.y - this.r < 0) {
      this.vy = abs(this.vy) * restitution;
      this.center.y = this.r;
    }
    if (this.center.y + this.r > 480) {
      this.vy = -abs(this.vy) * restitution;
      this.center.y = 480 - this.r;
    }

    this.vy += 0.98 * 1.7; // g = 9.8m/s^2
    this.center.x += 0.01 * this.vx;
    this.center.y += 0.01 * this.vy;
  }

  drawInCanvas() {
    ctx.strokeStyle = "black";
    ctx.setLineDash([]);
    ctx.beginPath();
    ctx.arc(this.center.x, this.center.y, this.r, 0, 2 * Math.PI);
    if (!this.movable) {
      ctx.fillStyle = 'black';
      ctx.fill();
    }
    ctx.stroke();
  }
}
class fixedRectangle {
  constructor(x, y, a, b, deg, func) { // a: 가로 길이의 반, b: 세로 길이의 반
    this.type = "fixedRectangle";
    this.center = new Point(x, y);
    this.size = new Point(a, b);
    this.deg = deg;
    this.mass = 1e20;
    this.movable = 0;
    this.exist = 1;
    
    this.func = func; // 0: normal, 1: die, 2: goal
  }

  drawInCanvas() {
    ctx.strokeStyle = "black";
    ctx.setLineDash([]);

    var P1 = changeCoordinates(new Point(this.size.x, this.size.y), this.deg);
    var P2 = changeCoordinates(new Point(-this.size.x, this.size.y), this.deg);
    var P3 = changeCoordinates(new Point(-this.size.x, -this.size.y), this.deg);
    var P4 = changeCoordinates(new Point(this.size.x, -this.size.y), this.deg);

    ctx.beginPath();
    ctx.moveTo(this.center.x + P1.x, this.center.y + P1.y);
    ctx.lineTo(this.center.x + P2.x, this.center.y + P2.y);
    ctx.lineTo(this.center.x + P3.x, this.center.y + P3.y);
    ctx.lineTo(this.center.x + P4.x, this.center.y + P4.y);
    ctx.lineTo(this.center.x + P1.x, this.center.y + P1.y);
    
    if(this.func == 0){
   		ctx.fillStyle = 'black';
    }
    else if(this.func == 1){
      ctx.fillStyle = 'red';
    }
    else{
      ctx.fillStyle = 'lime';
    }
    
    ctx.fill();
    ctx.stroke();
  }
}

var stageData = [];
var stageDataCnt = [];
var stageLimit = [];
var setStageData = function(){
  for(var i=0; i<11; i++){
  	stageData.push([]);
    stageLimit.push(0);
  }
  
  // Stage 1-1
  stageData.push([
    new fixedRectangle(360, 400, 360, 80, 0, 2)
  ]);
  stageLimit.push(1);
  
  // Stage 1-2
  stageData.push([
  	new fixedRectangle(360, 400, 80, 80, 0, 2)
  ]);
  stageLimit.push(1);
  
  // Stage 1-3
  stageData.push([
  	new fixedRectangle(360, 400, 10, 10, 0, 2)
  ]);
  stageLimit.push(1);
  
  // Stage 1-4
  stageData.push([
  	new fixedRectangle(100, 300, 50, 50, 0, 0),
    new fixedRectangle(300, 300, 50, 50, 0, 2)
  ]);
  stageLimit.push(2);
  
  // Stage 1-5
  stageData.push([
  	new fixedRectangle(100, 300, 50, 50, 0, 1),
    new fixedRectangle(300, 300, 50, 50, 0, 2),
    new fixedRectangle(500, 300, 50, 50, 0, 0)
  ]);
  stageLimit.push(3);
  
  // stage 1-6
  stageData.push([
  	new fixedRectangle(300, 200, 300, 30, 0, 0),
    new fixedRectangle(100, 380, 100, 100, 0, 2)
  ]);
  stageLimit.push(3);
  
  // stage 1-7
  stageData.push([
  	new fixedRectangle(300, 200, 300, 30, 0, 0),
    new fixedRectangle(100, 380, 100, 100, 0, 2),
    new fixedRectangle(300, 430, 50, 50, 0, 1)
  ]);
  stageLimit.push(3);
  
  // stage 1-8
  stageData.push([
  	new fixedRectangle(175, 200, 175, 30, 0, 0),
  	new fixedRectangle(545, 200, 175, 30, 0, 0),
    new fixedRectangle(360, 400, 360, 80, 0, 2)
  ]);
  stageLimit.push(1);
  
  stageData.push([]);
  stageLimit.push(0);
  stageData.push([]);
  stageLimit.push(0);
  
  // stage 2-1
  stageData.push([
  	new fixedRectangle(420, 120, 300, 10, 0, 0),
  	new fixedRectangle(300, 300, 500, 10, -0.4, 0),
    new fixedRectangle(700, 440, 20, 20, 0, 2)
  ]);
  stageLimit.push(1);
  
  // stage 2-2
  stageData.push([
  	new fixedRectangle(360, 300, 100, 100, Math.PI/4, 0),
    new fixedRectangle(-50, 420, 280, 10, 0, 0),
    new fixedRectangle(790, 420, 280, 10, 0, 0),
    new fixedRectangle(360, 480, 260, 10, 0, 2)
  ]);
  stageLimit.push(1);
  
  // stage 2-3
  stageData.push([
    new fixedRectangle(720, 270, 690, 170, 0, 0),
    new fixedRectangle(700, 460, 20, 20, 0, 2)
  ]);
  stageLimit.push(2);
  
  // stage 2-4
  stageData.push([
    new fixedRectangle(360, 300, 40, 40, 0, 2),
    new Sphere(280, 300, 40, 0),
    new Sphere(440, 300, 40, 0),
    new Sphere(360, 220, 40, 0),
    new fixedRectangle(360, 470, 360, 10, 0, 0)
  ]);
  stageLimit.push(1);
  
  // stage 2-5
  stageData.push([
    new Sphere(50, 400, 50, 0),
    new fixedRectangle(300, 130, 180, 10, 0, 1),
    new fixedRectangle(360, 470, 360, 10, 0, 1),
    new fixedRectangle(720, 130, 200, 10, 0, 1),
    new fixedRectangle(710, 220, 10, 70, 0, 2)
  ]);
  stageLimit.push(2);
  
  // stage 2-6
  stageData.push([
    new fixedRectangle(720, 130, 200, 10, 0, 1),
    new fixedRectangle(240, 130, 240, 10, 0, 1),
    new fixedRectangle(720, 470, 200, 10, 0, 1),
    new fixedRectangle(240, 470, 240, 10, 0, 1),
    new fixedRectangle(10, 220, 10, 70, 0, 2)
  ]);
  stageLimit.push(2);
  
  // stage 2-7
  stageData.push([
  	new Sphere(40, 400, 40, 0),
    new fixedRectangle(360, 470, 360, 10, 0, 1),
    new fixedRectangle(720, 130, 630, 10, 0, 1),
    new fixedRectangle(500, 300, 5, 5, 0, 2)
  ]);
  stageLimit.push(1);
  
  // stage 2-5
  stageData.push([
    new Sphere(50, 400, 50, 0),
    new fixedRectangle(300, 130, 180, 10, 0, 1),
    new fixedRectangle(360, 470, 360, 10, 0, 1),
    new fixedRectangle(720, 130, 200, 10, 0, 1),
    new fixedRectangle(710, 220, 10, 60, 0, 2)
  ]);
  stageLimit.push(2);
  
  for(var i=0; i<stageData.length; i++){
    stageDataCnt.push(stageData[i].length);
  }
}
setStageData();

var polygonList = [];
var polygonCount = 0;
var stageCleared = 0;
var stageInterrupt = 0;
var action = 0; // 0: selecting world, 1: selecting stage, 2: play
var state = 0; // 0: main screen, xxy: world x - stage y
const worldCount = 2;
const stageCount = 8;

var sphereCollision = function(a, b) {
  if (SQR(a.center.x - b.center.x) + SQR(a.center.y - b.center.y) > SQR(a.r + b.r)) return;
  //console.log('collide!');

  var deg = Math.atan2(b.center.y - a.center.y, b.center.x - a.center.x);
  var colDist = (a.r + b.r) - Math.sqrt(SQR(a.center.x - b.center.x) + SQR(a.center.y - b.center.y));
  if (a.movable) {
    a.center.x -= colDist / 2 * Math.cos(deg);
    a.center.y -= colDist / 2 * Math.sin(deg);
  }
  if (b.movable) {
    b.center.x += colDist / 2 * Math.cos(deg);
    b.center.y += colDist / 2 * Math.sin(deg);
  }

  var avt = a.vx * -Math.sin(deg) + a.vy * Math.cos(deg);
  var avc = a.vx * Math.cos(deg) + a.vy * Math.sin(deg);
  var bvt = b.vx * Math.sin(deg) + b.vy * -Math.cos(deg);
  var bvc = b.vx * -Math.cos(deg) + b.vy * -Math.sin(deg);
  var swapTmp;

  //console.log(avt + ' ' + avc + ' ' + bvt + ' ' + bvc);

  bvc = -bvc;
  var newAvc = (a.mass - b.mass) / (a.mass + b.mass) * avc;
  var newBvc = (b.mass - a.mass) / (a.mass + b.mass) * bvc;
  newAvc += (2 * b.mass) / (a.mass + b.mass) * bvc;
  newBvc += (2 * a.mass) / (a.mass + b.mass) * avc;
  newBvc = -newBvc;

  avc = newAvc;
  bvc = newBvc;

  //console.log(avt + ' ' + avc + ' ' + bvt + ' ' + bvc);

  var newAvx = avt * -Math.sin(deg) + avc * Math.cos(deg);
  var newAvy = avt * Math.cos(deg) + avc * Math.sin(deg);
  var newBvx = bvt * Math.sin(deg) + bvc * -Math.cos(deg);
  var newBvy = bvt * -Math.cos(deg) + bvc * -Math.sin(deg);

  a.vx = newAvx;
  a.vy = newAvy;
  b.vx = newBvx;
  b.vy = newBvy;
}

var sphereRectCollision = function(a, b) {
  // a: sphere, b: rectangle
  a.center.x -= b.center.x;
  a.center.y -= b.center.y;
  a.center = changeCoordinates(a.center, -b.deg);
  var aSpeed = changeCoordinates(new Point(a.vx, a.vy), -b.deg);
  a.vx = aSpeed.x;
  a.vy = aSpeed.y;
  
  if(b.func == 2){
  	if(-b.size.x <= a.center.x && a.center.x <= b.size.x &&
       -b.size.y <= a.center.y && a.center.y <= b.size.y){
      stageCleared = 1;
    }
  	
    a.center = changeCoordinates(a.center, b.deg);
    a.center.x += b.center.x;
    a.center.y += b.center.y;aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
    a.vx = aSpeed.x;
    a.vy = aSpeed.y;
 		return;
  }
  if(b.func == 1){
  	if(-b.size.x <= a.center.x && a.center.x <= b.size.x &&
       -b.size.y <= a.center.y && a.center.y <= b.size.y){
      a.exist = 0;
    }
    else{
      var _xabs = abs(a.center.x);
      var _yabs = abs(a.center.y);
      if(_xabs<=b.size.x && _yabs <= b.size.y+a.r) a.exist=0;
      else if(_xabs<=b.size.x+a.r&&_yabs<=b.size.y)a.exist=0;
      else if(!(_xabs > b.size.x+a.r && _yabs > b.size.y+a.r)){
        var _xDiff = _xabs - b.size.x;
        var _yDiff = _yabs - b.size.y;
        if(SQR(_xDiff) + SQR(_yDiff) <= SQR(a.r)) a.exist=0;
      }
    }
  	
    a.center = changeCoordinates(a.center, b.deg);
    a.center.x += b.center.x;
    a.center.y += b.center.y;aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
    a.vx = aSpeed.x;
    a.vy = aSpeed.y;
 		return;
  }
  //console.log(a.center.x + ' ' + a.center.y);
  //console.log(-b.size.x-a.r);

  if(a.center.x < -b.size.x-a.r ||
    a.center.x > b.size.x+a.r ||
    a.center.y < -b.size.y-a.r ||
    a.center.y > b.size.y+a.r){
    a.center = changeCoordinates(a.center, b.deg);
    a.center.x += b.center.x;
    a.center.y += b.center.y;aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
    a.vx = aSpeed.x;
    a.vy = aSpeed.y;
 		return;
  }
  
  if(a.center.x < -b.size.x){
    if(a.center.y < -b.size.y){
      var xDiff = -b.size.x - a.center.x;
      var yDiff = -b.size.y - a.center.y;
      if(SQR(xDiff) + SQR(yDiff) >= SQR(a.r)){
  	  	a.center = changeCoordinates(a.center, b.deg);
     		a.center.x += b.center.x;
     	  a.center.y += b.center.y;
        aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
        a.vx = aSpeed.x;
        a.vy = aSpeed.y;
 				return;
      }
      
      sphereCollision(a, new Sphere(-b.size.x, -b.size.y, 1e-2, 0));
    }
    else if(a.center.y > b.size.y){
      var xDiff = -b.size.x - a.center.x;
      var yDiff = a.center.y - b.size.y;
      if(SQR(xDiff) + SQR(yDiff) >= SQR(a.r)){
  	  	a.center = changeCoordinates(a.center, b.deg);
     		a.center.x += b.center.x;
     	  a.center.y += b.center.y;
        aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
        a.vx = aSpeed.x;
        a.vy = aSpeed.y;
 				return;
      }
      
      sphereCollision(a, new Sphere(-b.size.x, b.size.y, 1e-2, 0));
    }
    else{
      
      a.x = -b.size.x - a.r;
      a.vx = -abs(a.vx);
    }
  }
  else if(a.center.x > b.size.x){
    if(a.center.y < -b.size.y){
      var xDiff = a.center.x - b.size.x;
      var yDiff = -b.size.y - a.center.y;
      if(SQR(xDiff) + SQR(yDiff) >= SQR(a.r)){
  	  	a.center = changeCoordinates(a.center, b.deg);
     		a.center.x += b.center.x;
     	  a.center.y += b.center.y;
        aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
        a.vx = aSpeed.x;
        a.vy = aSpeed.y;
 				return;
      }
      
      sphereCollision(a, new Sphere(b.size.x, -b.size.y, 1e-2, 0));
    }
    else if(a.center.y > b.size.y){
      var xDiff = a.center.x - b.size.x;
      var yDiff = a.center.y - b.size.y;
      if(SQR(xDiff) + SQR(yDiff) >= SQR(a.r)){
  	  	a.center = changeCoordinates(a.center, b.deg);
     		a.center.x += b.center.x;
     	  a.center.y += b.center.y;
        aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
        a.vx = aSpeed.x;
        a.vy = aSpeed.y;
 				return;
      }
      
      sphereCollision(a, new Sphere(b.size.x, b.size.y, 1e-2, 0));
    }
    else{
    
      a.x = b.size.x + a.r;
      a.vx = abs(a.vx);
    }
  }
  else{
    if(a.center.y > 0){
   		a.y = b.size.y + a.r;
      a.vy = abs(a.vy);
  		a.center.y += a.vy * 0.01;
    }
    else{
   		a.y = -b.size.y - a.r;
      a.vy = -abs(a.vy);
  		a.center.y += a.vy * 0.01;
    }
  }
  
  aSpeed = changeCoordinates(new Point(a.vx, a.vy), b.deg);
  a.vx = aSpeed.x;
  a.vy = aSpeed.y;
  
  a.center = changeCoordinates(a.center, b.deg);
  
  a.center.x += b.center.x;
  a.center.y += b.center.y;
}

canvas.addEventListener("click", function(e) {
  if(action != 2){
    return;
  }
  var _st = (cursorX*8+cursorY+1)*10+cursorStage+1;
  var x = e.layerX;
  var y = e.layerY;
  if (y > 100 || polygonCount >= stageLimit[_st]) return;
  for (var i = 0; i < polygonList.length; i++) {
    if (polygonList[i].type == 'Sphere' && SQR(polygonList[i].center.x - x) + SQR(polygonList[i].center.y - y) < SQR(polygonList[i].r + 10)) return;
  }
  polygonCount++;
  polygonList.push(new Sphere(x, y, 10, 1));
});

var makeField = function() {
  ctx.clearRect(0, 0, 720, 480);

  ctx.setLineDash([5, 3]);
  ctx.strokeStyle = 'gray';
  ctx.beginPath();
  ctx.moveTo(0, 100);
  ctx.lineTo(720, 100);
  ctx.stroke();
  ctx.setLineDash([]);
  
  var _st = (cursorX*8+cursorY+1)*10+cursorStage+1;
  ctx.fillStyle = "black";
  ctx.textAlign = "end";
  ctx.textBaseline = "top";
  ctx.fillText(polygonCount + ' / ' + stageLimit[_st], 720, 0);
  ctx.textAlign = "center";
  ctx.textBaseline = "middle";
}

var cursorX = 0;
var cursorY = 0;
var cursorStage = 0;

function updateLocations() {
  makeField();
  for (var i = 0; i < polygonList.length; i++) {
    if (polygonList[i].movable) polygonList[i].updateLocation();

    polygonList[i].drawInCanvas();
  }

  for (var i = 0; i < polygonList.length; i++) {
    for (var j = i + 1; j < polygonList.length; j++) {
      if (polygonList[i].movable || polygonList[j].movable) {
        if (polygonList[i].type == 'Sphere' &&
          polygonList[j].type == 'Sphere') {
          sphereCollision(polygonList[i], polygonList[j]);
        } else if (polygonList[i].type == 'fixedRectangle' &&
          polygonList[j].type == 'Sphere') {
          sphereRectCollision(polygonList[j], polygonList[i]);
        } else if (polygonList[i].type == 'Sphere' &&
          polygonList[j].type == 'fixedRectangle') {
          sphereRectCollision(polygonList[j], polygonList[j]);
        }
      }
    }
  }
  
  for(var i=0; i<polygonList.length; i++){
    if(polygonList[i].exist == 0){
      polygonList.splice(i, 1);
      i--;
    }
  }
	
  if(stageInterrupt) console.log(stageInterrupt);
  if(stageInterrupt == 1){
    console.log('INTERRUPT!');
  	return;
  }
  if(!stageCleared) setTimeout(updateLocations, 10);
  else{
    var _worldCnt = cursorX*8+cursorY+1;
    var _tmp = 1;
    if(cursorStage == 7) _tmp = 3;
    DB.setItem('stage', max(DB.getItem('stage'), _worldCnt * 10 + cursorStage + _tmp));
    stageCleared = 0;
    
    console.log(stageData[11]);
    
    action = 1;
    setTimeout(drawMainScreen, 1000);
  }
}

var drawMainScreen = function(){
  ctx.clearRect(0, 0, 720, 480);
  stageInterrupt = 0;
  
  ctx.fillStyle = "black";
  ctx.font = "40px sans-serif";
  ctx.textAlign = "center";
  ctx.textBaseline = "middle";
  ctx.fillText("DROP THE BALL", 360, 50);
  
  for(var i=0; i<4; i++){
    for(var j=0; j<8; j++){
      var _worldCnt = i*8+j+1;
      if(_worldCnt > worldCount) break;
      if(cursorX == i && cursorY == j) ctx.strokeStyle = "lime";
      else ctx.strokeStyle = "black";
      ctx.strokeRect(30+86.25*j, 120+86.25*i, 56.25, 56.25);
      
  		ctx.font = "12px sans-serif";
      ctx.fillStyle = "black";
      ctx.fillText("World " + _worldCnt, 59+86.25*j, 160+86.25*i);
      
      var _st = DB.getItem('stage');
      if(_st >= _worldCnt * 10 + 8){
        ctx.fillStyle = "blue";
        ctx.fillText("CLEAR", 59+86.25*j, 135+86.25*i);
      }
      else if(_st >= (_worldCnt-1) * 10 + 8){
        ctx.fillStyle = "green";
        ctx.fillText("NOW", 59+86.25*j, 135+86.25*i);
      }
      else{
        ctx.fillStyle = "red";
        ctx.fillText("LOCKED", 59+86.25*j, 135+86.25*i);
      }
    }
  }
  
  if(action == 1){
    var curWorld = cursorX*8+cursorY+1;
    for(var j=0; j<8; j++){
      if(cursorStage == j) ctx.strokeStyle = "lime";
      else ctx.strokeStyle = "black";
      ctx.strokeRect(30+86.25*j, 400, 56.25, 56.25);
      
  		ctx.font = "12px sans-serif";
      ctx.fillStyle = "black";
      ctx.fillText("Stage " + (j+1), 59+86.25*j, 440);
      
      var _st = DB.getItem('stage');
      if(_st >= curWorld * 10 + j + 1){
        ctx.fillStyle = "blue";
        ctx.fillText("CLEAR", 59+86.25*j, 415);
      }
      else if(_st == curWorld * 10 + j){
        ctx.fillStyle = "green";
        ctx.fillText("NOW", 59+86.25*j, 415);
      }
      else{
        ctx.fillStyle = "red";
        ctx.fillText("LOCKED", 59+86.25*j, 415);
      }
    }
  }
}

window.onkeydown = function() {
  var _key = event.keyCode;
  //console.log(_key);
  
  if(action == 2){
    if(_key == 82){
      var _worldCnt = cursorX*8+cursorY+1;
      stageInterrupt = 1;
      setTimeout(stageStart, 30, _worldCnt * 10 + cursorStage + 1);
    }
    else if(_key == 81){
      polygonList = [];
      action = 1;
      stageInterrupt = 1;
      setTimeout(drawMainScreen, 30);
    }
  }
  else if(action == 0){
    if(_key == 37){
      if(cursorY){
        cursorY--;
        drawMainScreen();
      }
    }
    else if(_key == 38){
      if(cursorX){
        cursorX--;
        drawMainScreen();
      }
    }
    else if(_key == 39){
      var _cnt = cursorX*8+cursorY+2;
      if(_cnt > worldCount || cursorY==7) return;
      cursorY++;
      drawMainScreen();
    }
    else if(_key == 40){
      var _worldCnt = cursorX*8+cursorY+9;
      if(_worldCnt > worldCount) return;
      cursorX++;
      drawMainScreen();
    }
    else if(_key == 13){
      var _worldCnt = cursorX*8+cursorY+1;
      if(DB.getItem('stage') >= (_worldCnt-1) * 10 + 8){
      	action = 1;
        cursorStage = 0;
        drawMainScreen();
      }
    }
  }
  else if(action == 1){
    if(_key == 37){
      if(cursorStage){
        cursorStage--;
        drawMainScreen();
      }
    }
    else if(_key == 39){
      if(cursorStage < 7){
        cursorStage++;
        drawMainScreen();
      }
    }
    else if(_key == 13){
      var _worldCnt = cursorX*8+cursorY+1;
      if(DB.getItem('stage') < _worldCnt * 10 + cursorStage){
        return;
      }
      action = 2;
      stageStart(_worldCnt * 10 + cursorStage + 1);
    }
    else if(_key == 38){
      action = 0;
      drawMainScreen();
    }
  }
}

var gameStart = function(){
  state = 0;
  canAddObjects = 0;
  action = 0;
  cursorX = cursorY = 0;
  
  if(DB.getItem("stage") == null){
  	DB.setItem("stage", 10);
  }
  else if(DB.getItem("stage")%10 >= 8){
    DB.setItem("stage", DB.getItem("stage") + (10-(DB.getItem("stage")%10)));
  }
  drawMainScreen();
}

var stageStart = function(stage){
  makeField();
  action = 2;
  polygonList = stageData[stage];
  while(polygonList.length > stageDataCnt[stage]){
    polygonList.pop();
  }
  
  polygonCount = 0;
  stageCleared = 0;
  stageInterrupt = 0;
  updateLocations();
}

gameStart();


보기·토론·편집Bd3076의 게임들

주요 게임비밀1 · 3 · 4 · 5 · Once again
기술적인 게임다함께 비트코인 · UncyBeat · 2048 MP · Drop the Ball
어드벤처 게임한국전쟁 · 납치밀실게임
낚시 게임낚시의 정석 1 · 낚시세계2 · 백괴낚시MV · 백괴낚시 100 · 백괴낚시 2018
기타 게임퀴즈의 세계(종영) · 내일은 월요일 · Real 369 · UPO
강좌
협력 게임=굵은 글씨, 제작중인 게임: 기울인 글씨, 버려진 게임: 취소선
원본 주소 "https://libertyga.me/index.php?title=Drop_the_Ball&oldid=248389"