ゲームライブラリ構築までの道「インベーダー編」#13 : スタート画面とゲームオーバー画面の追加

Posted on 2020/08/01 by 下駄

Pocket

Check

こんにちわ。

IT・マイスター、下駄です。

この間とあるビジネス・マッチングアプリで知り合った人と、ビデオチャットでお話しましょうとアプリ内のチャットでやり取りしていたときの事ですが、

相手から、「自分のLINEアドレスを登録して、これでやり取りしよう」と、LINEアカウントをチャット経由で送ってきました。

個人的にLINEは、友達、親戚に留めているので、できれば仕事関連の人たちは、FacebookMessenger、Zoom、LinkedIN、GmailSansanEight、Twitter…などなど数あるSNSではどうかと提案したところ、

少し起こった感じで、「もういいです！」との返答があり、やり取りが終了しました。

なんか悪いこと言ったかな？

まあ、とにかく、こうしたコミュいニケーションが取れない人とは、つながった後がめんどくさいので、水際で留めることができて、良かったと判断した方がいいでしょう。

改めて、世の中にはいろいろな考えの人がいるな〜って、感じましたね。

本日のIT謎掛け

「SNS」と、かけまして、

「値札の貼っていない高額商品」と、ときます。

そのココロは・・・

イイネ（言い値）を気にします。

ソースコード

(function(w,d){

  var __options = {
    canvas_size : { x : null , y : null },
    bitmap_size : { w : 48 , h : 48},

    cannon : {
      color : "#57F2D6",
      bitSize : 4,
      src   : "images/dot/cannon.dot",
      x : 0 , y : 0,
      moveX : 10
    },
    cannon_shoot : {
      w : 1,
      h : 3
    },
    ufo : {
      color : "white",
      src   : "images/dot/ufo.dot",
      x : 0 , y : 0,
      moveX : 10
    },
    
    invader_effect_1 : {
      color : "white",
      src   : "images/dot/invader_effect_1.dot",
      x : 0 , y : 0,
    },

    tochika : {
      color : "red",
      src   : "images/dot/tochika.dot",
      w     : 72,
      rate  : 2.5
    },
    
    invader_src : {
      "crab" : [
        'images/dot/crab_1.dot',
        "images/dot/crab_2.dot"
      ],
      "octpus" : [
        "images/dot/octpus_1.dot",
        "images/dot/octpus_2.dot"
      ],
      "squid" : [
        "images/dot/squid_1.dot",
        "images/dot/squid_2.dot"
      ]
    },
    invader_row_infos : [
      { invader : "squid" , color : "#68F205"},
      { invader : "crab"  , color : "#68F205"},
      { invader : "crab"  , color : "#57F2D6"},
      { invader : "octpus", color : "#57F2D6"},
      { invader : "octpus", color : "#F22786"}
    ],
    invader_config : {
      type   : "invader",
      margin : 10, // display-margin
      move_x : 4, // [1:right , -1:left]
      move_y : 4
    },
    bullet : {
      color : "white",
      x : 0 , y : 0,
      moveY : 4
    },
    bullet_anim : [
      "images/dot/bullet_1.dot",
      "images/dot/bullet_2.dot"
    ],
    del_block : [
      "01110",
      "01010",
      "00100"
    ],

    game_start : {
      color_fill   : "black",
      color_stroke : "blue",
      width_stroke : 2,
      text_color   : "white",
      text_size    : 16,
      text_width   : 0.9,
      text_font    : "sans-serif",
      radius       : 4,
      width        : 0.7,
      height       : 0.3
    },
    game_over : {
      color_fill   : "black",
      color_stroke : "red",
      width_stroke : 2,
      text_color   : "white",
      text_size    : 16,
      text_width   : 0.9,
      text_font    : "sans-serif",
      radius       : 4,
      width        : 0.7,
      height       : 0.3
    }
  };

  var MAIN = function(canvas_selector){
    this.canvas_selector = canvas_selector || "canvas";
    this.pattern = 0;
    this.shoots = [];
    this.view_flg = "game_start";

    this.setCanvas(this.canvas_selector);
    this.set_imageMax();
    this.event_set();
    this.bitmap_load();

    // this.game_start();

    // this.view();
    this.animation_roop();
  };

  MAIN.prototype.setCanvas = function(selector){
    this.canvas_elm = d.querySelector(selector);
    if(!this.canvas_elm){return;}
    this.canvas_elm.style.setProperty("background-color","black","");
    
    if(w.innerWidth < this.canvas_elm.offsetWidth){
      this.canvas_elm.setAttribute("width" , w.innerWidth);
    }
    if(w.innerHeight < this.canvas_elm.offsetHeight){
      this.canvas_elm.setAttribute("height" , w.innerHeight);
    }

    __options.canvas_size.x = this.canvas_elm.offsetWidth;
    __options.canvas_size.y = this.canvas_elm.offsetHeight;
    __options.cannon.y      = __options.canvas_size.y - 100;

    // smooth-off
    this.ctx = this.canvas_elm.getContext("2d");
    this.ctx.imageSmoothingEnabled       = false;
    this.ctx.mozImageSmoothingEnabled    = false;
    this.ctx.webkitImageSmoothingEnabled = false;
    this.ctx.msImageSmoothingEnabled     = false;
  };

  

  MAIN.prototype.clear = function(){
    this.ctx.clearRect(0, 0,  this.canvas_elm.width,  this.canvas_elm.height);
  };

  MAIN.prototype.bitmap_load = function(){
    var bitmap_files = [];
    for(var i in __options.invader_src){
      for(var j=0; j<__options.invader_src[i].length; j++){
        this.image_bit_set(__options.invader_src[i][j]);
      }
    }
    for(var i=0; i<__options.bullet_anim.length; i++){
      this.image_bit_set(__options.bullet_anim[i]);
    }
    this.image_bit_set(__options.cannon.src);
    this.image_bit_set(__options.ufo.src);
    this.image_bit_set(__options.invader_effect_1.src);
    this.image_bit_set(__options.tochika.src , __options.tochika.w);
  };

  MAIN.prototype.view = function(){
    // invader
    this.view_invader();

    // canon
    this.image(__options.cannon);

    // tochika
    this.view_tochika();
  }

  MAIN.prototype.view_invader = function(){
    if(typeof __options.invaders === "undefined"){
      this.init_invaders_info();
    }
    for(var i in __options.invaders){
      for(var j in __options.invaders[i]){
        if(typeof __options.invaders[i][j][0].shoot_flg !== "undefined"){
          if(__options.invaders[i][j][0].shoot_flg <= 2){
            __options.invaders[i][j][0].shoot_flg++;
          }
          else{
            __options.invaders[i].splice(j,1);
            continue;
          }
        }
        this.image(__options.invaders[i][j][this.pattern]);
      }
    }
  };

  MAIN.prototype.view_tochika = function(){
    if(typeof this.image_cache[__options.tochika.src] === "undefined"
    || typeof this.image_cache[__options.tochika.src].bitmap === "undefined"
    || !this.image_cache[__options.tochika.src].bitmap.length){return;}
    if(typeof __options.tochikas === "undefined"){
      this.init_tochilas_info();
    }
    // 配置間隔
    var rate = __options.tochika.rate;
    // 配置計算
    var tochika_count = Math.floor(this.canvas_elm.offsetWidth / (__options.tochika.w * rate));
    var margin = (this.canvas_elm.offsetWidth - ((__options.tochika.w * rate) * tochika_count)) / 2;
    var centering = __options.tochika.w * (rate - 1) /2;
    var y = this.canvas_elm.offsetHeight - 170;
    for(var i in __options.tochikas){
      __options.tochikas[i].x = margin + ((__options.tochika.w * rate) * i) + centering;
      __options.tochikas[i].y = y;
      __options.tochikas[i].bitsize = __options.tochikas[i].bitsize || this.image_cache[__options.tochika.src].bitsize;
      __options.tochikas[i].h = __options.tochikas[i].bitsize * __options.tochikas[i].bitmap.length;
      this.image(__options.tochikas[i]);
    }
  };

  MAIN.prototype.init_invaders_info = function(){
    // 配置マージン
    margin = __options.invader_config.margin;
    // 配置個数（w）
    var count_w = Math.floor((__options.canvas_size.x - margin * 2) / __options.bitmap_size.w) -2;

    // 敵機配置情報作成
    __options.invaders = [];
    for(var i=0; i<__options.invader_row_infos.length; i++){
      var type = __options.invader_row_infos[i].invader;
      __options.invaders[i] = [];
      var srcs = __options.invader_src[type];
      for(var j=0; j<count_w; j++){
        __options.invaders[i][j] = [];
        for(var k=0; k<srcs.length; k++){
          __options.invaders[i][j][k] = {
            color : __options.invader_row_infos[i].color,
            x     : (j * __options.bitmap_size.w) + margin,
            y     : (i * __options.bitmap_size.h) + margin,
            type  : type,
            src   : srcs[k]
          };
        }
      }
    }
  };
  MAIN.prototype.init_tochilas_info = function(){
    __options.tochikas = [];
    var rate = __options.tochika.rate;
    var tochika_count = Math.floor(this.canvas_elm.offsetWidth / (__options.tochika.w * rate));
    var bitmap = this.image_cache[__options.tochika.src].bitmap;
    for(var i=0; i<tochika_count; i++){
      __options.tochikas.push({
        src     : __options.tochika.src,
        color   : __options.tochika.color,
        bitmap  : JSON.parse(JSON.stringify(bitmap))
      });
    }
  };

  MAIN.prototype.image_cache = [];
  MAIN.prototype.image = function(options){
    if(!this.canvas_elm){return;}
    if(!options){return;}
    if(typeof this.image_cache[options.src] === "undefined"){return}
    var bitmap  = this.get_bitmap(options);
    var bitsize = this.get_bitsize(options);
    this.image_bit_make(bitmap , bitsize , options.color , options.x , options.y);
  };

  MAIN.prototype.get_bitmap = function(option){
    if(typeof option.bitmap !== "undefined"){
      return option.bitmap;
    }
    else if(typeof this.image_cache[option.src] !== "undefined"
    && typeof this.image_cache[option.src].bitmap !== "undefined"){
      return this.image_cache[option.src].bitmap;
    }
  };
  MAIN.prototype.get_bitsize = function(option){
    if(typeof this.image_cache[option.src] !== "undefined"
    || typeof this.image_cache[option.src].bitsize !== "undefined"){
      return this.image_cache[option.src].bitsize;
    }
  };

  MAIN.prototype.image_bit_set = function(src , bitmap_size){
    if(typeof this.image_cache[src] !== "undefined"){return;}
    bitmap_size = bitmap_size || __options.bitmap_size.w;
    this.image_cache[src] = {
      bitsize : 0,
      bitmap  : []
    };
    new AJAX({
      url       : src,
      methdo    : "GET",
      async     : true,
      onSuccess : (function(src , bitmap_size , data){
        this.image_bit_loaded(src , bitmap_size , data);
      }).bind(this , src , bitmap_size)
    });
  };
  MAIN.prototype.image_bit_loaded = function(src , bitmap_size , data){
    var char16    = data.split("\n");
    var str_count = char16[0].length * 4;
    var size      = bitmap_size / str_count;
    // ゼロパディング用桁数算出
    var zero = new Array(str_count).fill("0").join("")
    for(var i in char16){
      // 16進数を２進数に変換
      var char2 = parseInt(char16[i] , 16).toString(2);
      // サイズ取得
      this.image_cache[src].bitsize = size;
      char2 = (zero + char2).slice(-str_count);
      this.image_cache[src].bitmap.push(char2);
    }
    // 上下左右の余白（マージン）値の取得
    this.set_bitmap_margin(src , size);
  };
  // 上下左右の余白（マージン）値の取得
  MAIN.prototype.set_bitmap_margin = function(src , bitsize){
    if(typeof this.image_cache[src] === "undefined"){return;}
    var cache = this.image_cache[src];
    if(typeof cache.bitmap === "undefined"){return;}
    var bitmap = cache.bitmap;
    cache.margin = {
      top    : 0,
      bottom : 0,
      left   : 0,
      right  : 0
    };

    for(var i=0; i<bitmap.length; i++){
      if(bitmap[i].indexOf("1") !== -1){
        // cache.margin.top = i;
        cache.margin.top = i * bitsize;
        break;
      }
    }

    for(var i=bitmap.length-1; i>=0; i--){
      if(bitmap[i].indexOf("1") !== -1){
        // cache.margin.bottom = bitmap.length-1 - i;
        cache.margin.bottom = (bitmap.length-1 - i) * bitsize;
        break;
      }
    }

    var bitmap2 = new LIB().bin_convert_col2row(bitmap);

    for(var i=0; i<bitmap2.length; i++){
      if(bitmap2[i].indexOf("1") !== -1){
        // cache.margin.right = i;
        cache.margin.right = i * bitsize;
        break;
      }
    }

    for(var i=bitmap2.length-1; i>=0; i--){
      if(bitmap2[i].indexOf("1") !== -1){
        // cache.margin.left = bitmap2.length-1 - i;
        cache.margin.left = (bitmap2.length-1 - i) * bitsize;
        break;
      }
    }
  };


  MAIN.prototype.image_bit_make = function(bitmap , bitsize , color , x , y){
    if(!bitmap){return;}
    color = color || "white";
    this.ctx.fillStyle = color;
    for(var i=0; i<bitmap.length; i++){
      for(var j=0; j<bitmap[i].length; j++){
        var bit = bitmap[i].charAt(j);
        if(bit == 0){continue;}
        var w = bitsize;
        var h = bitsize;
        this.ctx.fillRect(x+(j * w) , y+(i * h) , Math.ceil(w) , Math.ceil(h));
      }
    }
  };

  MAIN.prototype.animation_roop = function(time){
    switch(this.view_flg){
      case "game_start":
        this.game_start();
        break;

      case "game_over":
        this.game_over();
        break;

      default:
        var func = (function(e){this.animation(e)}).bind(this);

        this.animation_proc();
    
        if(window.requestAnimationFrame
        ||  window.webkitRequestAnimationFrame
        ||  window.mozRequestAnimationFrame
        ||  window.oRequestAnimationFrame
        ||  window.msRequestAnimationFrame){
          window.requestAnimationFrame(func);
        }
        else{
          time = time || 10;
          anim_flg = setTimeout(func , time);
        }
        break;
    }
    
  };

  MAIN.prototype.animation_proc = function(){
    switch(this.keydown_flg){
      case "right":
        this.cannon_move(__options.cannon.x + __options.cannon.moveX);
        break;
      case "left":
        this.cannon_move(__options.cannon.x - __options.cannon.moveX);
        break;
    }
    this.animation_shoot();
  };

  MAIN.prototype.animation_shoot = function(){
    if(!this.shoots.length){return;}
    var bitsize = this.image_cache[__options.cannon.src].bitsize;
    var w = bitsize * __options.cannon_shoot.w;
    var h = bitsize * __options.cannon_shoot.h;
    var target = null;
    for(var i in this.shoots){
      
      // collision tochika
      if(target = this.collision_tochika(this.shoots[i].x , this.shoots[i].y , w , h)){
        var flg = this.tochika_scrape_shoot(target , this.shoots[i].x , this.shoots[i].y);
        if(flg){
          this.shoots.splice(i,1);
          continue;
        }
      }
      // collosion invader
      else if(this.shoot_collision_invader(this.shoots[i].x , this.shoots[i].y , w , h)){
        this.shoots.splice(i,1);
        continue;
      }
      // 画面外
      else if(this.shoots[i].y < h){
        this.shoots.splice(i,1);
        continue;
      }
      
      // 通常表示
      this.ctx.fillStyle   = "white";
      this.ctx.fillRect(this.shoots[i].x - bitsize , this.shoots[i].y , w , h);
      this.shoots[i].y -= bitsize * 2;
    }
  };

  MAIN.prototype.animation_bullet = function(){
    if(typeof this.bullets === "undefined" || !this.bullets.length){return;}
    var current_time = (+new Date());

    // アニメーションパターンのフレーム感覚
    if(typeof this.bullet_anim_time === "undefined"){
      this.bullet_anim_time = current_time;
    }

    // アニメーションパターンの切り替え
    if(typeof this.bullet_anim_num === "undefined"){
      this.bullet_anim_num = 0;
    }
    else if(current_time - this.bullet_anim_time > 50){
      this.bullet_anim_time = current_time;
      this.bullet_anim_num++;
      if(this.bullet_anim_num >= __options.bullet_anim.length){
        this.bullet_anim_num = 0;
      }
    }

    var cache   = this.image_cache[__options.bullet_anim[this.bullet_anim_num]];
    if(!cache){return;}
    var bitsize = cache.bitsize;
    for(var i in this.bullets){
      this.bullets[i].y += bitsize;
      var y = this.bullets[i].y;
      var target = null;

      // 画面外に出たbulletは削除する
      if(y > this.canvas_elm.offsetHeight){
        this.bullets[i] = null;
        continue;
      }

      // tochika collision
      else if(target = this.collision_tochika(
        this.bullets[i].x , 
        this.bullets[i].y , 
        __options.bitmap_size.w , 
        __options.bitmap_size.h ,
        cache.margin
      )){
        var flg = this.tochika_scrape_bullet(target , this.bullets[i].x + (__options.bitmap_size.h/2) , this.bullets[i].y + __options.bitmap_size.h);
        if(flg === true){
          this.bullets[i] = null;
          continue;
        }
      }

      // 自機collision
      else if(this.collosion_bullet_own(
        this.bullets[i].x , 
        this.bullets[i].y , 
        __options.bitmap_size.w , 
        __options.bitmap_size.h ,
        cache.margin
      )){
        this.view_flg = "game_over";
        break;;
      }

      // 通常表示処理
      var option = {
        x : this.bullets[i].x,
        y : y = y,
        src : __options.bullet_anim[this.bullet_anim_num],
        color : __options.bullet.color
      };
      this.image(option);
    }
    var newArr = [];
    for(var i in this.bullets){
      if(!this.bullets[i]){continue;}
      newArr.push(this.bullets[i]);
    }
    this.bullets = newArr;
  };

  MAIN.prototype.shoot_collision_invader = function(x , y , w , h){
    var inv = __options.invaders;
    for(var i in inv){
      for(var j in inv[i]){
        var ix = inv[i][j][0].x;
        var iy = inv[i][j][0].y;
        var iw = __options.bitmap_size.w;
        var ih = __options.bitmap_size.h;
        if(ix < x + w && x < ix + iw
        && iy < y - h && y < iy + ih){
          for(var k=0; k<inv[i][j].length; k++){
            inv[i][j][k].src = __options.invader_effect_1.src;
            inv[i][j][k].shoot_flg = 1;
          }
          return true;
        }
      }
    }
  };

  MAIN.prototype.collision_tochika = function(x , y , w , h , margin){
    for(var i in __options.tochikas){
      var tx = __options.tochikas[i].x;
      var ty = __options.tochikas[i].y;
      var tw = __options.tochika.w;
      var th = __options.tochikas[i].h;
      var margin_top    = margin ? margin.top    : 0;
      var margin_bottom = margin ? margin.bottom : 0;
      var margin_left   = margin ? margin.left   : 0;
      var margin_right  = margin ? margin.right  : 0;
      if(tx + margin_left < x + w && x <= tx + tw - margin_right
      && ty < y + h - margin_bottom && y < ty + th - margin_bottom){
        return __options.tochikas[i];
      }
    }
    return false;
  };

  MAIN.prototype.tochika_scrape_shoot = function(tochika_data , shoot_x , shoot_y){
    // 衝突したtochikaの下部分を検出
    var x = shoot_x - tochika_data.x;
    var y = shoot_y - tochika_data.y;
    var dot_x = Math.round(x / tochika_data.bitsize);
    var dot_y = Math.round(y / tochika_data.bitsize);
    dot_x -= 1; // ドット絵のズレ対応

    if(typeof tochika_data.bitmap[dot_y] === "undefined"){
      dot_y = dot_y < 0 ? 0 : tochika_data.bitmap.length-1;
    }
    if(typeof tochika_data.bitmap[dot_y][dot_x] === "undefined"){
      dot_x = dot_x < 0 ? 0 : tochika_data.bitmap[dot_y].length -1;
    }

    var del_block = "0";
    // 当たった座標のドット部分を選択 衝突箇所以下を削除
    for(var i=tochika_data.bitmap.length-1; i>=0; i--){
      if(tochika_data.bitmap[i][dot_x] != 1){continue;}
      // 座標判定
      if(shoot_y >= tochika_data.y + ((i-1) * tochika_data.bitsize)){
        return false;
      }
      var str = tochika_data.bitmap[i];
      tochika_data.bitmap[i] = str.slice(0 , dot_x).concat(del_block , str.slice(dot_x + del_block.length));
      return true;
    }
    return false;
  };

  MAIN.prototype.tochika_scrape_bullet = function(tochika_data , bullet_x , bullet_y){
    // 衝突したtochikaの下部分を検出
    var x = bullet_x - tochika_data.x;
    var y = bullet_y - tochika_data.y;
    var dot_x = Math.round(x / tochika_data.bitsize);
    var dot_y = Math.round(y / tochika_data.bitsize);

    if(typeof tochika_data.bitmap[dot_y] === "undefined"){
      dot_y = dot_y < 0 ? 0 : tochika_data.bitmap.length -1;
    }
    if(typeof tochika_data.bitmap[dot_y][dot_x] === "undefined"){
      dot_x = dot_x < 0 ? 0 : tochika_data.bitmap[dot_y].length -1;
    }

    // 当たった座標のドット部分を選択 衝突箇所以下を削除
    for(var i=0; i<tochika_data.bitmap.length; i++){
      if(tochika_data.bitmap[i][dot_x] != 1){continue;}
      var zero = Array(tochika_data.bitmap[i].length + 1).join("0");

      for(var j=0; j<__options.del_block.length; j++){
        num = i + j;
        if(typeof tochika_data.bitmap[num] === "undefined" || !tochika_data.bitmap[num]){break;}
        var str      = tochika_data.bitmap[num];
        var shift    = str.length - dot_x - __options.del_block[j].length + Math.ceil(__options.del_block[j].length/2);
        shift        = shift > 0 ? shift : 0;
        var delbit   = (String("0b"+ __options.del_block[j]) << shift).toString(2);
        newbit = ((String("0b"+str)) & ~String("0b"+delbit)).toString(2);
        newbit = (zero + String(newbit)).slice(-str.length);
        tochika_data.bitmap[num] = newbit;
      }
      return true;
    }
    return false;
  };

  // invader-bulletと自機の衝突確認
  MAIN.prototype.collosion_bullet_own = function(x , y , w , h , margin){
    var tx = __options.cannon.x;
    var ty = __options.cannon.y;
    var tw = __options.bitmap_size.w;
    var th = __options.bitmap_size.h;
    var margin_top    = margin ? margin.top    : 0;
    var margin_bottom = margin ? margin.bottom : 0;
    var margin_left   = margin ? margin.left   : 0;
    var margin_right  = margin ? margin.right  : 0;
// console.log(tx+"/"+ty+":"+tw+"/"+th);
    if(tx + margin_left < x + w
    && x <= tx + tw - margin_right
    && ty < y + h - margin_bottom
    && y < ty + th - margin_bottom){
      return true;
    }
    else{
      return false;
    }
    
  };

  MAIN.prototype.cannon_move = function(pos){
    if(pos < 0){
      pos = 0;
    }
    else if(pos > this.canvas_elm.offsetWidth - __options.bitmap_size.w){
      pos = this.canvas_elm.offsetWidth - __options.bitmap_size.w;
    }
    __options.cannon.x = pos;
  };

  MAIN.prototype.animation = function(){
    this.clear();
    this.nextPattern(300);
    this.view();
    this.animation_roop(30);
    this.invader_bullet();
  }
  MAIN.prototype.nextPattern = function(frame_rate){
    this.prev_time = this.prev_time || 0;
    if((+new Date()) - this.prev_time < frame_rate){return}
    this.prev_time = (+new Date());

    this.pattern++;
    if(this.pattern >= this.image_max){
      this.pattern = 0;
    }

    this.invader_move();
  };

  MAIN.prototype.invader_move = function(){
    // 左端の情報取得
    var window_min = __options.invader_config.margin;
    var window_max = this.canvas_elm.offsetWidth - __options.invader_config.margin;
    var pos        = this.invader_pos();
    var move_x     = __options.invader_config.move_x;
    var move_y     = 0;
    var w          = __options.bitmap_size.w;

    // move y
    if(typeof this.move_y_count !== "undefined" && this.move_y_count > 0){
      this.move_y_count -= 1;
      move_y = __options.invader_config.move_y;
      move_x = 0;
    }
    // Dead end ->
    else if(move_x > 0 && pos.max > window_max){
      this.move_y_count = 1;
      __options.invader_config.move_x = -__options.invader_config.move_x;
      move_x = 0;
      move_y = __options.invader_config.move_y;
    }
    // <- Dead end
    else if(move_x < 0 && pos.min < window_min){
      this.move_y_count = 1;
      __options.invader_config.move_x = -__options.invader_config.move_x;
      move_x = 0;
      move_y = __options.invader_config.move_y;
    }
    this.invader_move_set(move_x , move_y);
  };

  // mode @ [min : 一番左端のinvaderの座標を取得 . max : 一番右端のinvaderの座標を取得]
  MAIN.prototype.invader_pos = function(mode){
    var min = null;
    var max = null;
    var inv = __options.invaders;
    var w   = __options.bitmap_size.w;
    for(var i in inv){
      for(var j in inv[i]){
        if(min === null || min > inv[i][j][0].x){
          min = inv[i][j][0].x;
        }
        if(max === null || max < inv[i][j][0].x + w){
          max = inv[i][j][0].x + w;
        }
      }
    }
    if(mode === "min"){
      return min;
    }
    else if(mode === "max"){
      return max;
    }
    else{
      return {min : min , max : max};
    }
  };

  MAIN.prototype.invader_move_set = function(x,y){
    var inv = __options.invaders;
    for(var i in inv){
      for(var j in inv[i]){
        for(var k in inv[i][j]){
          inv[i][j][k].x += x;
          inv[i][j][k].y += y;
        }
      }
    }
  };

  // 各列の一番下のインベーダーがミサイルを発射する（最大同時数:2）
  MAIN.prototype.invader_bullet = function(){
    if(typeof this.bullets === "undefined"){
      this.bullets = [];
    }
    this.invader_bullet_add();
    this.animation_bullet();
  };
  MAIN.prototype.invader_bullet_add = function(){
    if(this.bullets.length >= __options.bullet_anim.length){return;}
    if(Math.floor(Math.random() * Math.floor(100)) > 10){return;}
    var bottoms = this.get_invader_bottoms();
    var keys    = Object.keys(bottoms);
    if(!bottoms || !keys.length){return;}
    var rnd_num = Math.floor(Math.random() * Math.floor(keys.length));
    var data = {
      x : bottoms[keys[rnd_num]].x,
      y : bottoms[keys[rnd_num]].y + __options.bitmap_size.h
    };
    this.bullets.push(data);
  };

  // 各列の最下部インベーダー一覧の取得
  MAIN.prototype.get_invader_bottoms = function(){
    var inv = __options.invaders;
    var bottoms = {};
    for(var i=inv.length-1; i>=0; i--){
      for(var j in inv[i]){
        if(!inv[i][j]){continue;}
        var x = inv[i][j][0].x;
        if(typeof bottoms[x] !== "undefined"){continue;}
        bottoms[x] = inv[i][j][0];
      }
    }
    return bottoms;
  };


  MAIN.prototype.set_imageMax = function(){
    for(var i in __options.invader_src){
      this.image_max = __options.invader_src[i].length;
      break;
    }
  };

  /* Event */
  MAIN.prototype.event_set = function(){
    new LIB().event(w , "click"      , (function(e){this.click(e)}).bind(this));
    new LIB().event(w , "keydown"    , (function(e){this.keydown(e)}).bind(this));
    new LIB().event(w , "keyup"      , (function(e){this.keyup(e)}).bind(this));
    new LIB().event(w , "mousemove"  , (function(e){this.mousemove(e)}).bind(this));
    new LIB().event(w , "touchmove"  , (function(e){this.touchmove(e)}).bind(this));
    new LIB().event(w , "touchend"   , (function(e){this.touchend(e)}).bind(this));
  };

  MAIN.prototype.click = function(e){
    switch(this.view_flg){
      case "game_start":
        this.view_flg = "play";
        this.data_reset();
        // this.view();
        this.animation_roop();
        break;
      case "game_over":
        this.view_flg = "play";
        this.data_reset();
        // this.view();
        this.animation_roop();
        break;
      default:
        this.shoot_add();
        break;
    }
    
  };

  MAIN.prototype.shoot_add = function(){
    if(this.shoots.length < 2){
      this.shoots.push({
        x : __options.cannon.x + (__options.bitmap_size.w / 2),
        y : __options.cannon.y + (__options.cannon.bitSize * 4)
      });
    }
  };

  MAIN.prototype.keydown = function(e){
    switch(e.keyCode){
      case 37:  // <-
      case 'ArrowLeft':
      this.keydown_flg = "left";
      break;

      case 39:  // ->
      case 'ArrowRight':
      this.keydown_flg = "right";
      break;

      case 32:  // space
      this.shoot_add();
      break;
    }
  };

  MAIN.prototype.keyup = function(e){
    this.keydown_flg = false;
  };

  MAIN.prototype.mousemove = function(e){
    // if(this.flg_gamestart !== true){return;}

    this.mousePos = this.mousePos || e.clientX;
    this.cannon_move(__options.cannon.x + (e.clientX - this.mousePos));
    this.mousePos = e.clientX;
  };

  MAIN.prototype.touchmove = function(e){
    // if(this.flg_gamestart !== true){return;}

    if(!e || !e.touches || e.touches.length > 1){
      this.mousePos = null;
      return;
    }
    this.mousePos = typeof this.mousePos === "number" ? this.mousePos : e.touches[0].clientX;
    this.cannon_move(__options.cannon.x + (e.touches[0].clientX - this.mousePos));
    this.mousePos = e.touches[0].clientX;
  };
  MAIN.prototype.touchend = function(e){
    this.mousePos = null;
  };





  var LIB  = function(){};

  LIB.prototype.event = function(target, mode, func , flg){
    flg = (flg) ? flg : false;
    if (target.addEventListener){target.addEventListener(mode, func, flg)}
    else{target.attachEvent('on' + mode, function(){func.call(target , window.event)})}
  };

  LIB.prototype.bin_convert_col2row = function(bitmap){
    var newmap = [];
    for(var i in bitmap){
      for(var j=0; j<bitmap[i].length; j++){
        if(typeof newmap[j] === "undefined"){newmap[j] = "";}
        newmap[j] += bitmap[i][j];
      }
    }
    return newmap;
  };

  var AJAX = function(option){
    if(!option){return}
		var httpoj = this.createHttpRequest();
    if(!httpoj){return;}
    
		// var option = new MAIN().setOption(options);
		var data   = this.setQuery(option);
		if(!data.length){
			option.method = "get";
		}

		httpoj.open( option.method , option.url , option.async );
    httpoj.setRequestHeader('Content-Type', option.type);
		
		httpoj.onreadystatechange = function(){
			if (this.readyState==4 && httpoj.status == 200){
				option.onSuccess(this.responseText);
			}
		};

		// FormData 送信用
		if(typeof option.form === "object" && Object.keys(option.form).length){
			httpoj.send(option.form);
		}
		// query整形後 送信
		else{
			if(data.length){
				httpoj.send(data.join("&"));
			}
			else{
				httpoj.send();
			}
		}
  };
	AJAX.prototype.dataOption = {
		url:"",
		query:{},
		querys:[],
		data:{},
		form:{},
		async:"true",
		method:"POST",
		type:"application/x-www-form-urlencoded",
		onSuccess:function(res){},
		onError:function(res){}
	};
	AJAX.prototype.createHttpRequest = function(){
		//Win ie用
		if(window.ActiveXObject){
			//MSXML2以降用;
			try{return new ActiveXObject("Msxml2.XMLHTTP")}
			catch(e){
				//旧MSXML用;
				try{return new ActiveXObject("Microsoft.XMLHTTP")}
				catch(e2){return null}
			}
		}
		//Win ie以外のXMLHttpRequestオブジェクト実装ブラウザ用;
		else if(window.XMLHttpRequest){return new XMLHttpRequest()}
		else{return null}
  };
  // URL-Queryの作成
  AJAX.prototype.setQuery = function(option){
		var data = [];
		if(typeof option.datas !== "undefined"){
			for(var key of option.datas.keys()){
				data.push(key + "=" + option.datas.get(key));
			}
		}
		if(typeof option.query !== "undefined"){
			for(var i in option.query){
				data.push(i+"="+encodeURIComponent(option.query[i]));
			}
		}
		if(typeof option.querys !== "undefined"){
			for(var i=0;i<option.querys.length;i++){
				if(typeof option.querys[i] == "Array"){
					data.push(option.querys[i][0]+"="+encodeURIComponent(option.querys[i][1]));
				}
				else{
					var sp = option.querys[i].split("=");
					data.push(sp[0]+"="+encodeURIComponent(sp[1]));
				}
			}
		}
    return data;
  }


  MAIN.prototype.game_start = function(){
    this.view_flg = "game_start";
    this.dialog_window(__options.game_start);
    this.dialog_text(__options.game_start,[
      {text:"INVADER" , size:60 , margin:20 , weight:"bold" , color:"blue"},
      {text:"画面をクリックすると"},
      {text:"ゲームが開始します"}
    ]);
  };

  MAIN.prototype.game_over = function(){
    this.view_flg = "game_over";
    this.dialog_window(__options.game_over);
    this.dialog_text(__options.game_over , [
      {text:"Game over", size:60 , margin:20 , color:"red" , weight:"bold"},
      {text:"画面をクリックすると"},
      {text:"ゲームが開始します"}
    ]);
  };

  MAIN.prototype.data_reset = function(){console.log("hoge");
    this.pattern = 0;
    this.shoots  = [];
    this.bullets = [];
    this.init_invaders_info();
    this.init_tochilas_info();
  };

  MAIN.prototype.dialog_window = function(options){
    var w = this.canvas_elm.offsetWidth  * options.width,
        h = this.canvas_elm.offsetHeight * options.height,
        x = this.canvas_elm.offsetWidth  / 2 * (1 - options.width),
        y = this.canvas_elm.offsetHeight / 2 * (1 - options.height),
        r = options.radius;
    h = h > 180 ? h : 180;
    this.ctx.fillStyle   = options.color_fill;
    this.ctx.strokeStyle = options.color_stroke;
    this.ctx.lineWidth   = options.width_stroke * 2;
    this.ctx.beginPath();
    this.ctx.moveTo(x,y + r);
    this.ctx.arc(x+r , y+h-r , r , Math.PI , Math.PI*0.5 , true);
    this.ctx.arc(x+w-r , y+h-r , r , Math.PI*0.5,0 , 1);
    this.ctx.arc(x+w-r , y+r , r , 0 , Math.PI*1.5 , 1);
    this.ctx.arc(x+r , y+r , r , Math.PI*1.5 , Math.PI , 1);   
    this.ctx.closePath();
    this.ctx.stroke();
    this.ctx.fill();
  }
  MAIN.prototype.dialog_text = function(options,texts){
    var w = (this.canvas_elm.offsetWidth * options.width) * options.text_width;
    var x = this.canvas_elm.offsetWidth / 2;
    var y = this.canvas_elm.offsetHeight / 2 * (1 - options.height) + 30;

    for(var i=0; i<texts.length; i++){
      this.ctx.fillStyle    = texts[i].color    || options.text_color;
      this.ctx.textAlign    = texts[i].align    || "center";
      this.ctx.textBaseline = texts[i].baseline || "top";
      var font_size         = texts[i].size     || options.text_size;
      var font_weight       = texts[i].weight   || "";
      this.ctx.font         = font_weight +" "+ font_size +"px '"+ options.text_font +"' ";
      this.ctx.fillText(texts[i].text , x, y , w);
      y += font_size + (texts[i].margin || 10);
    }
  };



  new LIB().event(w , "load" , function(){new MAIN("#mycanvas")});
})(window,document);

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(function(w,d){

var __options = {

canvas_size : { x : null , y : null },

bitmap_size : { w : 48 , h : 48},

cannon : {

color : "#57F2D6",

bitSize : 4,

src : "images/dot/cannon.dot",

x : 0 , y : 0,

moveX : 10

cannon_shoot : {

w : 1,

h : 3

ufo : {

color : "white",

src : "images/dot/ufo.dot",

x : 0 , y : 0,

moveX : 10

invader_effect_1 : {

color : "white",

src : "images/dot/invader_effect_1.dot",

x : 0 , y : 0,

tochika : {

color : "red",

src : "images/dot/tochika.dot",

w : 72,

rate : 2.5

invader_src : {

"crab" : [

'images/dot/crab_1.dot',

"images/dot/crab_2.dot"

"octpus" : [

"images/dot/octpus_1.dot",

"images/dot/octpus_2.dot"

"squid" : [

"images/dot/squid_1.dot",

"images/dot/squid_2.dot"

]

invader_row_infos : [

{ invader : "squid" , color : "#68F205"},

{ invader : "crab" , color : "#68F205"},

{ invader : "crab" , color : "#57F2D6"},

{ invader : "octpus", color : "#57F2D6"},

{ invader : "octpus", color : "#F22786"}

invader_config : {

type : "invader",

margin : 10, // display-margin

move_x : 4, // [1:right , -1:left]

move_y : 4

bullet : {

color : "white",

x : 0 , y : 0,

moveY : 4

bullet_anim : [

"images/dot/bullet_1.dot",

"images/dot/bullet_2.dot"

del_block : [

"01110",

"01010",

"00100"

game_start : {

color_fill : "black",

color_stroke : "blue",

width_stroke : 2,

text_color : "white",

text_size : 16,

text_width : 0.9,

text_font : "sans-serif",

radius : 4,

width : 0.7,

height : 0.3

game_over : {

color_fill : "black",

color_stroke : "red",

width_stroke : 2,

text_color : "white",

text_size : 16,

text_width : 0.9,

text_font : "sans-serif",

radius : 4,

width : 0.7,

height : 0.3

}

};

var MAIN = function(canvas_selector){

this.canvas_selector = canvas_selector || "canvas";

this.pattern = 0;

this.shoots = [];

this.view_flg = "game_start";

this.setCanvas(this.canvas_selector);

this.set_imageMax();

this.event_set();

this.bitmap_load();

// this.game_start();

// this.view();

this.animation_roop();

};

MAIN.prototype.setCanvas = function(selector){

this.canvas_elm = d.querySelector(selector);

if(!this.canvas_elm){return;}

this.canvas_elm.style.setProperty("background-color","black","");

if(w.innerWidth < this.canvas_elm.offsetWidth){

this.canvas_elm.setAttribute("width" , w.innerWidth);

}

if(w.innerHeight < this.canvas_elm.offsetHeight){

this.canvas_elm.setAttribute("height" , w.innerHeight);

}

__options.canvas_size.x = this.canvas_elm.offsetWidth;

__options.canvas_size.y = this.canvas_elm.offsetHeight;

__options.cannon.y = __options.canvas_size.y - 100;

// smooth-off

this.ctx = this.canvas_elm.getContext("2d");

this.ctx.imageSmoothingEnabled = false;

this.ctx.mozImageSmoothingEnabled = false;

this.ctx.webkitImageSmoothingEnabled = false;

this.ctx.msImageSmoothingEnabled = false;

};

MAIN.prototype.clear = function(){

this.ctx.clearRect(0, 0, this.canvas_elm.width, this.canvas_elm.height);

};

MAIN.prototype.bitmap_load = function(){

var bitmap_files = [];

for(var i in __options.invader_src){

for(var j=0; j<__options.invader_src[i].length; j++){

this.image_bit_set(__options.invader_src[i][j]);

}

for(var i=0; i<__options.bullet_anim.length; i++){

this.image_bit_set(__options.bullet_anim[i]);

}

this.image_bit_set(__options.cannon.src);

this.image_bit_set(__options.ufo.src);

this.image_bit_set(__options.invader_effect_1.src);

this.image_bit_set(__options.tochika.src , __options.tochika.w);

};

MAIN.prototype.view = function(){

// invader

this.view_invader();

// canon

this.image(__options.cannon);

// tochika

this.view_tochika();

}

MAIN.prototype.view_invader = function(){

if(typeof __options.invaders === "undefined"){

this.init_invaders_info();

}

for(var i in __options.invaders){

for(var j in __options.invaders[i]){

if(typeof __options.invaders[i][j][0].shoot_flg !== "undefined"){

if(__options.invaders[i][j][0].shoot_flg <= 2){

__options.invaders[i][j][0].shoot_flg++;

}

else{

__options.invaders[i].splice(j,1);

continue;

}

this.image(__options.invaders[i][j][this.pattern]);

}

};

MAIN.prototype.view_tochika = function(){

if(typeof this.image_cache[__options.tochika.src] === "undefined"

|| typeof this.image_cache[__options.tochika.src].bitmap === "undefined"

|| !this.image_cache[__options.tochika.src].bitmap.length){return;}

if(typeof __options.tochikas === "undefined"){

this.init_tochilas_info();

}

// 配置間隔

var rate = __options.tochika.rate;

// 配置計算

var tochika_count = Math.floor(this.canvas_elm.offsetWidth / (__options.tochika.w * rate));

var margin = (this.canvas_elm.offsetWidth - ((__options.tochika.w * rate) * tochika_count)) / 2;

var centering = __options.tochika.w * (rate - 1) /2;

var y = this.canvas_elm.offsetHeight - 170;

for(var i in __options.tochikas){

__options.tochikas[i].x = margin + ((__options.tochika.w * rate) * i) + centering;

__options.tochikas[i].y = y;

__options.tochikas[i].bitsize = __options.tochikas[i].bitsize || this.image_cache[__options.tochika.src].bitsize;

__options.tochikas[i].h = __options.tochikas[i].bitsize * __options.tochikas[i].bitmap.length;

this.image(__options.tochikas[i]);

}

};

MAIN.prototype.init_invaders_info = function(){

// 配置マージン

margin = __options.invader_config.margin;

// 配置個数（w）

var count_w = Math.floor((__options.canvas_size.x - margin * 2) / __options.bitmap_size.w) -2;

// 敵機配置情報作成

__options.invaders = [];

for(var i=0; i<__options.invader_row_infos.length; i++){

var type = __options.invader_row_infos[i].invader;

__options.invaders[i] = [];

var srcs = __options.invader_src[type];

for(var j=0; j<count_w; j++){

__options.invaders[i][j] = [];

for(var k=0; k<srcs.length; k++){

__options.invaders[i][j][k] = {

color : __options.invader_row_infos[i].color,

x : (j * __options.bitmap_size.w) + margin,

y : (i * __options.bitmap_size.h) + margin,

type : type,

src : srcs[k]

};

}

};

MAIN.prototype.init_tochilas_info = function(){

__options.tochikas = [];

var rate = __options.tochika.rate;

var tochika_count = Math.floor(this.canvas_elm.offsetWidth / (__options.tochika.w * rate));

var bitmap = this.image_cache[__options.tochika.src].bitmap;

for(var i=0; i<tochika_count; i++){

__options.tochikas.push({

src : __options.tochika.src,

color : __options.tochika.color,

bitmap : JSON.parse(JSON.stringify(bitmap))

});

}

};

MAIN.prototype.image_cache = [];

MAIN.prototype.image = function(options){

if(!this.canvas_elm){return;}

if(!options){return;}

if(typeof this.image_cache[options.src] === "undefined"){return}

var bitmap = this.get_bitmap(options);

var bitsize = this.get_bitsize(options);

this.image_bit_make(bitmap , bitsize , options.color , options.x , options.y);

};

MAIN.prototype.get_bitmap = function(option){

if(typeof option.bitmap !== "undefined"){

return option.bitmap;

}

else if(typeof this.image_cache[option.src] !== "undefined"

&& typeof this.image_cache[option.src].bitmap !== "undefined"){

return this.image_cache[option.src].bitmap;

}

};

MAIN.prototype.get_bitsize = function(option){

if(typeof this.image_cache[option.src] !== "undefined"

|| typeof this.image_cache[option.src].bitsize !== "undefined"){

return this.image_cache[option.src].bitsize;

}

};

MAIN.prototype.image_bit_set = function(src , bitmap_size){

if(typeof this.image_cache[src] !== "undefined"){return;}

bitmap_size = bitmap_size || __options.bitmap_size.w;

this.image_cache[src] = {

bitsize : 0,

bitmap : []

};

new AJAX({

url : src,

methdo : "GET",

async : true,

onSuccess : (function(src , bitmap_size , data){

this.image_bit_loaded(src , bitmap_size , data);

}).bind(this , src , bitmap_size)

});

};

MAIN.prototype.image_bit_loaded = function(src , bitmap_size , data){

var char16 = data.split("\n");

var str_count = char16[0].length * 4;

var size = bitmap_size / str_count;

// ゼロパディング用桁数算出

var zero = new Array(str_count).fill("0").join("")

for(var i in char16){

// 16進数を２進数に変換

var char2 = parseInt(char16[i] , 16).toString(2);

// サイズ取得

this.image_cache[src].bitsize = size;

char2 = (zero + char2).slice(-str_count);

this.image_cache[src].bitmap.push(char2);

}

// 上下左右の余白（マージン）値の取得

this.set_bitmap_margin(src , size);

};

// 上下左右の余白（マージン）値の取得

MAIN.prototype.set_bitmap_margin = function(src , bitsize){

if(typeof this.image_cache[src] === "undefined"){return;}

var cache = this.image_cache[src];

if(typeof cache.bitmap === "undefined"){return;}

var bitmap = cache.bitmap;

cache.margin = {

top : 0,

bottom : 0,

left : 0,

right : 0

};

for(var i=0; i<bitmap.length; i++){

if(bitmap[i].indexOf("1") !== -1){

// cache.margin.top = i;

cache.margin.top = i * bitsize;

break;

}

for(var i=bitmap.length-1; i>=0; i--){

if(bitmap[i].indexOf("1") !== -1){

// cache.margin.bottom = bitmap.length-1 - i;

cache.margin.bottom = (bitmap.length-1 - i) * bitsize;

break;

}

var bitmap2 = new LIB().bin_convert_col2row(bitmap);

for(var i=0; i<bitmap2.length; i++){

if(bitmap2[i].indexOf("1") !== -1){

// cache.margin.right = i;

cache.margin.right = i * bitsize;

break;

}

for(var i=bitmap2.length-1; i>=0; i--){

if(bitmap2[i].indexOf("1") !== -1){

// cache.margin.left = bitmap2.length-1 - i;

cache.margin.left = (bitmap2.length-1 - i) * bitsize;

break;

}

};

MAIN.prototype.image_bit_make = function(bitmap , bitsize , color , x , y){

if(!bitmap){return;}

color = color || "white";

this.ctx.fillStyle = color;

for(var i=0; i<bitmap.length; i++){

for(var j=0; j<bitmap[i].length; j++){

var bit = bitmap[i].charAt(j);

if(bit == 0){continue;}

var w = bitsize;

var h = bitsize;

this.ctx.fillRect(x+(j * w) , y+(i * h) , Math.ceil(w) , Math.ceil(h));

}

};

MAIN.prototype.animation_roop = function(time){

switch(this.view_flg){

case "game_start":

this.game_start();

break;

case "game_over":

this.game_over();

break;

default:

var func = (function(e){this.animation(e)}).bind(this);

this.animation_proc();

if(window.requestAnimationFrame

|| window.webkitRequestAnimationFrame

|| window.mozRequestAnimationFrame

|| window.oRequestAnimationFrame

|| window.msRequestAnimationFrame){

window.requestAnimationFrame(func);

}

else{

time = time || 10;

anim_flg = setTimeout(func , time);

}

break;

}

};

MAIN.prototype.animation_proc = function(){

switch(this.keydown_flg){

case "right":

this.cannon_move(__options.cannon.x + __options.cannon.moveX);

break;

case "left":

this.cannon_move(__options.cannon.x - __options.cannon.moveX);

break;

}

this.animation_shoot();

};

MAIN.prototype.animation_shoot = function(){

if(!this.shoots.length){return;}

var bitsize = this.image_cache[__options.cannon.src].bitsize;

var w = bitsize * __options.cannon_shoot.w;

var h = bitsize * __options.cannon_shoot.h;

var target = null;

for(var i in this.shoots){

// collision tochika

if(target = this.collision_tochika(this.shoots[i].x , this.shoots[i].y , w , h)){

var flg = this.tochika_scrape_shoot(target , this.shoots[i].x , this.shoots[i].y);

if(flg){

this.shoots.splice(i,1);

continue;

}

// collosion invader

else if(this.shoot_collision_invader(this.shoots[i].x , this.shoots[i].y , w , h)){

this.shoots.splice(i,1);

continue;

}

// 画面外

else if(this.shoots[i].y < h){

this.shoots.splice(i,1);

continue;

}

// 通常表示

this.ctx.fillStyle = "white";

this.ctx.fillRect(this.shoots[i].x - bitsize , this.shoots[i].y , w , h);

this.shoots[i].y -= bitsize * 2;

}

};

MAIN.prototype.animation_bullet = function(){

if(typeof this.bullets === "undefined" || !this.bullets.length){return;}

var current_time = (+new Date());

// アニメーションパターンのフレーム感覚

if(typeof this.bullet_anim_time === "undefined"){

this.bullet_anim_time = current_time;

}

// アニメーションパターンの切り替え

if(typeof this.bullet_anim_num === "undefined"){

this.bullet_anim_num = 0;

}

else if(current_time - this.bullet_anim_time > 50){

this.bullet_anim_time = current_time;

this.bullet_anim_num++;

if(this.bullet_anim_num >= __options.bullet_anim.length){

this.bullet_anim_num = 0;

}

var cache = this.image_cache[__options.bullet_anim[this.bullet_anim_num]];

if(!cache){return;}

var bitsize = cache.bitsize;

for(var i in this.bullets){

this.bullets[i].y += bitsize;

var y = this.bullets[i].y;

var target = null;

// 画面外に出たbulletは削除する

if(y > this.canvas_elm.offsetHeight){

this.bullets[i] = null;

continue;

}

// tochika collision

else if(target = this.collision_tochika(

this.bullets[i].x ,

this.bullets[i].y ,

__options.bitmap_size.w ,

__options.bitmap_size.h ,

cache.margin

)){

var flg = this.tochika_scrape_bullet(target , this.bullets[i].x + (__options.bitmap_size.h/2) , this.bullets[i].y + __options.bitmap_size.h);

if(flg === true){

this.bullets[i] = null;

continue;

}

// 自機collision

else if(this.collosion_bullet_own(

this.bullets[i].x ,

this.bullets[i].y ,

__options.bitmap_size.w ,

__options.bitmap_size.h ,

cache.margin

)){

this.view_flg = "game_over";

break;;

}

// 通常表示処理

var option = {

x : this.bullets[i].x,

y : y = y,

src : __options.bullet_anim[this.bullet_anim_num],

color : __options.bullet.color

};

this.image(option);

}

var newArr = [];

for(var i in this.bullets){

if(!this.bullets[i]){continue;}

newArr.push(this.bullets[i]);

}

this.bullets = newArr;

};

MAIN.prototype.shoot_collision_invader = function(x , y , w , h){

var inv = __options.invaders;

for(var i in inv){

for(var j in inv[i]){

var ix = inv[i][j][0].x;

var iy = inv[i][j][0].y;

var iw = __options.bitmap_size.w;

var ih = __options.bitmap_size.h;

if(ix < x + w && x < ix + iw

&& iy < y - h && y < iy + ih){

for(var k=0; k<inv[i][j].length; k++){

inv[i][j][k].src = __options.invader_effect_1.src;

inv[i][j][k].shoot_flg = 1;

}

return true;

}

};

MAIN.prototype.collision_tochika = function(x , y , w , h , margin){

for(var i in __options.tochikas){

var tx = __options.tochikas[i].x;

var ty = __options.tochikas[i].y;

var tw = __options.tochika.w;

var th = __options.tochikas[i].h;

var margin_top = margin ? margin.top : 0;

var margin_bottom = margin ? margin.bottom : 0;

var margin_left = margin ? margin.left : 0;

var margin_right = margin ? margin.right : 0;

if(tx + margin_left < x + w && x <= tx + tw - margin_right

&& ty < y + h - margin_bottom && y < ty + th - margin_bottom){

return __options.tochikas[i];

}

return false;

};

MAIN.prototype.tochika_scrape_shoot = function(tochika_data , shoot_x , shoot_y){

// 衝突したtochikaの下部分を検出

var x = shoot_x - tochika_data.x;

var y = shoot_y - tochika_data.y;

var dot_x = Math.round(x / tochika_data.bitsize);

var dot_y = Math.round(y / tochika_data.bitsize);

dot_x -= 1; // ドット絵のズレ対応

if(typeof tochika_data.bitmap[dot_y] === "undefined"){

dot_y = dot_y < 0 ? 0 : tochika_data.bitmap.length-1;

}

if(typeof tochika_data.bitmap[dot_y][dot_x] === "undefined"){

dot_x = dot_x < 0 ? 0 : tochika_data.bitmap[dot_y].length -1;

}

var del_block = "0";

// 当たった座標のドット部分を選択衝突箇所以下を削除

for(var i=tochika_data.bitmap.length-1; i>=0; i--){

if(tochika_data.bitmap[i][dot_x] != 1){continue;}

// 座標判定

if(shoot_y >= tochika_data.y + ((i-1) * tochika_data.bitsize)){

return false;

}

var str = tochika_data.bitmap[i];

tochika_data.bitmap[i] = str.slice(0 , dot_x).concat(del_block , str.slice(dot_x + del_block.length));

return true;

}

return false;

};

MAIN.prototype.tochika_scrape_bullet = function(tochika_data , bullet_x , bullet_y){

// 衝突したtochikaの下部分を検出

var x = bullet_x - tochika_data.x;

var y = bullet_y - tochika_data.y;

var dot_x = Math.round(x / tochika_data.bitsize);

var dot_y = Math.round(y / tochika_data.bitsize);

if(typeof tochika_data.bitmap[dot_y] === "undefined"){

dot_y = dot_y < 0 ? 0 : tochika_data.bitmap.length -1;

}

if(typeof tochika_data.bitmap[dot_y][dot_x] === "undefined"){

dot_x = dot_x < 0 ? 0 : tochika_data.bitmap[dot_y].length -1;

}

// 当たった座標のドット部分を選択衝突箇所以下を削除

for(var i=0; i<tochika_data.bitmap.length; i++){

if(tochika_data.bitmap[i][dot_x] != 1){continue;}

var zero = Array(tochika_data.bitmap[i].length + 1).join("0");

for(var j=0; j<__options.del_block.length; j++){

num = i + j;

if(typeof tochika_data.bitmap[num] === "undefined" || !tochika_data.bitmap[num]){break;}

var str = tochika_data.bitmap[num];

var shift = str.length - dot_x - __options.del_block[j].length + Math.ceil(__options.del_block[j].length/2);

shift = shift > 0 ? shift : 0;

var delbit = (String("0b"+ __options.del_block[j]) << shift).toString(2);

newbit = ((String("0b"+str)) & ~String("0b"+delbit)).toString(2);

newbit = (zero + String(newbit)).slice(-str.length);

tochika_data.bitmap[num] = newbit;

}

return true;

}

return false;

};

// invader-bulletと自機の衝突確認

MAIN.prototype.collosion_bullet_own = function(x , y , w , h , margin){

var tx = __options.cannon.x;

var ty = __options.cannon.y;

var tw = __options.bitmap_size.w;

var th = __options.bitmap_size.h;

var margin_top = margin ? margin.top : 0;

var margin_bottom = margin ? margin.bottom : 0;

var margin_left = margin ? margin.left : 0;

var margin_right = margin ? margin.right : 0;

// console.log(tx+"/"+ty+":"+tw+"/"+th);

if(tx + margin_left < x + w

&& x <= tx + tw - margin_right

&& ty < y + h - margin_bottom

&& y < ty + th - margin_bottom){

return true;

}

else{

return false;

}

};

MAIN.prototype.cannon_move = function(pos){

if(pos < 0){

pos = 0;

}

else if(pos > this.canvas_elm.offsetWidth - __options.bitmap_size.w){

pos = this.canvas_elm.offsetWidth - __options.bitmap_size.w;

}

__options.cannon.x = pos;

};

MAIN.prototype.animation = function(){

this.clear();

this.nextPattern(300);

this.view();

this.animation_roop(30);

this.invader_bullet();

}

MAIN.prototype.nextPattern = function(frame_rate){

this.prev_time = this.prev_time || 0;

if((+new Date()) - this.prev_time < frame_rate){return}

this.prev_time = (+new Date());

this.pattern++;

if(this.pattern >= this.image_max){

this.pattern = 0;

}

this.invader_move();

};

MAIN.prototype.invader_move = function(){

// 左端の情報取得

var window_min = __options.invader_config.margin;

var window_max = this.canvas_elm.offsetWidth - __options.invader_config.margin;

var pos = this.invader_pos();

var move_x = __options.invader_config.move_x;

var move_y = 0;

var w = __options.bitmap_size.w;

// move y

if(typeof this.move_y_count !== "undefined" && this.move_y_count > 0){

this.move_y_count -= 1;

move_y = __options.invader_config.move_y;

move_x = 0;

}

// Dead end ->

else if(move_x > 0 && pos.max > window_max){

this.move_y_count = 1;

__options.invader_config.move_x = -__options.invader_config.move_x;

move_x = 0;

move_y = __options.invader_config.move_y;

}

// <- Dead end

else if(move_x < 0 && pos.min < window_min){

this.move_y_count = 1;

__options.invader_config.move_x = -__options.invader_config.move_x;

move_x = 0;

move_y = __options.invader_config.move_y;

}

this.invader_move_set(move_x , move_y);

};

// mode @ [min : 一番左端のinvaderの座標を取得 . max : 一番右端のinvaderの座標を取得]

MAIN.prototype.invader_pos = function(mode){

var min = null;

var max = null;

var inv = __options.invaders;

var w = __options.bitmap_size.w;

for(var i in inv){

for(var j in inv[i]){

if(min === null || min > inv[i][j][0].x){

min = inv[i][j][0].x;

}

if(max === null || max < inv[i][j][0].x + w){

max = inv[i][j][0].x + w;

}

if(mode === "min"){

return min;

}

else if(mode === "max"){

return max;

}

else{

return {min : min , max : max};

}

};

MAIN.prototype.invader_move_set = function(x,y){

var inv = __options.invaders;

for(var i in inv){

for(var j in inv[i]){

for(var k in inv[i][j]){

inv[i][j][k].x += x;

inv[i][j][k].y += y;

}

};

// 各列の一番下のインベーダーがミサイルを発射する（最大同時数:2）

MAIN.prototype.invader_bullet = function(){

if(typeof this.bullets === "undefined"){

this.bullets = [];

}

this.invader_bullet_add();

this.animation_bullet();

};

MAIN.prototype.invader_bullet_add = function(){

if(this.bullets.length >= __options.bullet_anim.length){return;}

if(Math.floor(Math.random() * Math.floor(100)) > 10){return;}

var bottoms = this.get_invader_bottoms();

var keys = Object.keys(bottoms);

if(!bottoms || !keys.length){return;}

var rnd_num = Math.floor(Math.random() * Math.floor(keys.length));

var data = {

x : bottoms[keys[rnd_num]].x,

y : bottoms[keys[rnd_num]].y + __options.bitmap_size.h

};

this.bullets.push(data);

};

// 各列の最下部インベーダー一覧の取得

MAIN.prototype.get_invader_bottoms = function(){

var inv = __options.invaders;

var bottoms = {};

for(var i=inv.length-1; i>=0; i--){

for(var j in inv[i]){

if(!inv[i][j]){continue;}

var x = inv[i][j][0].x;

if(typeof bottoms[x] !== "undefined"){continue;}

bottoms[x] = inv[i][j][0];

}

return bottoms;

};

MAIN.prototype.set_imageMax = function(){

for(var i in __options.invader_src){

this.image_max = __options.invader_src[i].length;

break;

}

};

/* Event */

MAIN.prototype.event_set = function(){

new LIB().event(w , "click" , (function(e){this.click(e)}).bind(this));

new LIB().event(w , "keydown" , (function(e){this.keydown(e)}).bind(this));

new LIB().event(w , "keyup" , (function(e){this.keyup(e)}).bind(this));

new LIB().event(w , "mousemove" , (function(e){this.mousemove(e)}).bind(this));

new LIB().event(w , "touchmove" , (function(e){this.touchmove(e)}).bind(this));

new LIB().event(w , "touchend" , (function(e){this.touchend(e)}).bind(this));

};

MAIN.prototype.click = function(e){

switch(this.view_flg){

case "game_start":

this.view_flg = "play";

this.data_reset();

// this.view();

this.animation_roop();

break;

case "game_over":

this.view_flg = "play";

this.data_reset();

// this.view();

this.animation_roop();

break;

default:

this.shoot_add();

break;

}

};

MAIN.prototype.shoot_add = function(){

if(this.shoots.length < 2){

this.shoots.push({

x : __options.cannon.x + (__options.bitmap_size.w / 2),

y : __options.cannon.y + (__options.cannon.bitSize * 4)

});

}

};

MAIN.prototype.keydown = function(e){

switch(e.keyCode){

case 37: // <-

case 'ArrowLeft':

this.keydown_flg = "left";

break;

case 39: // ->

case 'ArrowRight':

this.keydown_flg = "right";

break;

case 32: // space

this.shoot_add();

break;

}

};

MAIN.prototype.keyup = function(e){

this.keydown_flg = false;

};

MAIN.prototype.mousemove = function(e){

// if(this.flg_gamestart !== true){return;}

this.mousePos = this.mousePos || e.clientX;

this.cannon_move(__options.cannon.x + (e.clientX - this.mousePos));

this.mousePos = e.clientX;

};

MAIN.prototype.touchmove = function(e){

// if(this.flg_gamestart !== true){return;}

if(!e || !e.touches || e.touches.length > 1){

this.mousePos = null;

return;

}

this.mousePos = typeof this.mousePos === "number" ? this.mousePos : e.touches[0].clientX;

this.cannon_move(__options.cannon.x + (e.touches[0].clientX - this.mousePos));

this.mousePos = e.touches[0].clientX;

};

MAIN.prototype.touchend = function(e){

this.mousePos = null;

};

var LIB = function(){};

LIB.prototype.event = function(target, mode, func , flg){

flg = (flg) ? flg : false;

if (target.addEventListener){target.addEventListener(mode, func, flg)}

else{target.attachEvent('on' + mode, function(){func.call(target , window.event)})}

};

LIB.prototype.bin_convert_col2row = function(bitmap){

var newmap = [];

for(var i in bitmap){

for(var j=0; j<bitmap[i].length; j++){

if(typeof newmap[j] === "undefined"){newmap[j] = "";}

newmap[j] += bitmap[i][j];

}

return newmap;

};

var AJAX = function(option){

if(!option){return}

var httpoj = this.createHttpRequest();

if(!httpoj){return;}

// var option = new MAIN().setOption(options);

var data = this.setQuery(option);

if(!data.length){

option.method = "get";

}

httpoj.open( option.method , option.url , option.async );

httpoj.setRequestHeader('Content-Type', option.type);

httpoj.onreadystatechange = function(){

if (this.readyState==4 && httpoj.status == 200){

option.onSuccess(this.responseText);

}

};

// FormData 送信用

if(typeof option.form === "object" && Object.keys(option.form).length){

httpoj.send(option.form);

}

// query整形後送信

else{

if(data.length){

httpoj.send(data.join("&"));

}

else{

httpoj.send();

}

};

AJAX.prototype.dataOption = {

url:"",

query:{},

querys:[],

data:{},

form:{},

async:"true",

method:"POST",

type:"application/x-www-form-urlencoded",

onSuccess:function(res){},

onError:function(res){}

};

AJAX.prototype.createHttpRequest = function(){

//Win ie用

if(window.ActiveXObject){

//MSXML2以降用;

try{return new ActiveXObject("Msxml2.XMLHTTP")}

catch(e){

//旧MSXML用;

try{return new ActiveXObject("Microsoft.XMLHTTP")}

catch(e2){return null}

}

//Win ie以外のXMLHttpRequestオブジェクト実装ブラウザ用;

else if(window.XMLHttpRequest){return new XMLHttpRequest()}

else{return null}

};

// URL-Queryの作成

AJAX.prototype.setQuery = function(option){

var data = [];

if(typeof option.datas !== "undefined"){

for(var key of option.datas.keys()){

data.push(key + "=" + option.datas.get(key));

}

if(typeof option.query !== "undefined"){

for(var i in option.query){

data.push(i+"="+encodeURIComponent(option.query[i]));

}

if(typeof option.querys !== "undefined"){

for(var i=0;i<option.querys.length;i++){

if(typeof option.querys[i] == "Array"){

data.push(option.querys[i][0]+"="+encodeURIComponent(option.querys[i][1]));

}

else{

var sp = option.querys[i].split("=");

data.push(sp[0]+"="+encodeURIComponent(sp[1]));

}

return data;

}

MAIN.prototype.game_start = function(){

this.view_flg = "game_start";

this.dialog_window(__options.game_start);

this.dialog_text(__options.game_start,[

{text:"INVADER" , size:60 , margin:20 , weight:"bold" , color:"blue"},

{text:"画面をクリックすると"},

{text:"ゲームが開始します"}

]);

};

MAIN.prototype.game_over = function(){

this.view_flg = "game_over";

this.dialog_window(__options.game_over);

this.dialog_text(__options.game_over , [

{text:"Game over", size:60 , margin:20 , color:"red" , weight:"bold"},

{text:"画面をクリックすると"},

{text:"ゲームが開始します"}

]);

};

MAIN.prototype.data_reset = function(){console.log("hoge");

this.pattern = 0;

this.shoots = [];

this.bullets = [];

this.init_invaders_info();

this.init_tochilas_info();

};

MAIN.prototype.dialog_window = function(options){

var w = this.canvas_elm.offsetWidth * options.width,

h = this.canvas_elm.offsetHeight * options.height,

x = this.canvas_elm.offsetWidth / 2 * (1 - options.width),

y = this.canvas_elm.offsetHeight / 2 * (1 - options.height),

r = options.radius;

h = h > 180 ? h : 180;

this.ctx.fillStyle = options.color_fill;

this.ctx.strokeStyle = options.color_stroke;

this.ctx.lineWidth = options.width_stroke * 2;

this.ctx.beginPath();

this.ctx.moveTo(x,y + r);

this.ctx.arc(x+r , y+h-r , r , Math.PI , Math.PI*0.5 , true);

this.ctx.arc(x+w-r , y+h-r , r , Math.PI*0.5,0 , 1);

this.ctx.arc(x+w-r , y+r , r , 0 , Math.PI*1.5 , 1);

this.ctx.arc(x+r , y+r , r , Math.PI*1.5 , Math.PI , 1);

this.ctx.closePath();

this.ctx.stroke();

this.ctx.fill();

}

MAIN.prototype.dialog_text = function(options,texts){

var w = (this.canvas_elm.offsetWidth * options.width) * options.text_width;

var x = this.canvas_elm.offsetWidth / 2;

var y = this.canvas_elm.offsetHeight / 2 * (1 - options.height) + 30;

for(var i=0; i<texts.length; i++){

this.ctx.fillStyle = texts[i].color || options.text_color;

this.ctx.textAlign = texts[i].align || "center";

this.ctx.textBaseline = texts[i].baseline || "top";

var font_size = texts[i].size || options.text_size;

var font_weight = texts[i].weight || "";

this.ctx.font = font_weight +" "+ font_size +"px '"+ options.text_font +"' ";

this.ctx.fillText(texts[i].text , x, y , w);

y += font_size + (texts[i].margin || 10);

}

};

new LIB().event(w , "load" , function(){new MAIN("#mycanvas")});

})(window,document);

解説

自機が死ぬということはゲームオーバーになる（または、保持自機が１つ減る）という事なので、ゲームオーバー画面を用意しないといけなし、

それに加えてゲーム開始画面も作ったほうがいいという事で、今回は、
1. 自機当たり判定
2. 開始表示
3. ゲームオーバー表示
の３つを追加してみました。

コリジョン判定は、自機のみなので、さほど難しくはなかったのですが、

ゲームオーバーからの再度ゲームスタートの際には、ゲーム中に色々と保持していたメモリにキャッシュしていたデータを初期化して、ゲームスタート時に戻さなければいけません。

これを実現するためには、初期値をちゃんと残しておかないといけません。

ということで、データリセットをする関数も加えてみました。
“deta_reset()”
これは、初期値を上書きするようにした状態なので、ゲームスタート時の処理と合わせて行うのが効率的でしょうね。

この辺もゲームライブラリを作る際には必要な要素になりそうです。

Github

ソースは以下にアップしています。(ver:0.12)

https://github.com/yugeta/game_invader

Program canvas, invader, JavaScript

Tips of Rubbish

DIYとIoTをこよなく愛する、WEB関連やデジモノなどの雑多な情報ブログ