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character.js
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character.js
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function Character(){
this.position = new Point();
this.size = 0;
}
Character.prototype.init = function(size){
this.size = size;
};
function CharacterShot(){
this.position = new Point();
this.size = 0;
this.speed = 0;
this.alive = false;
}
CharacterShot.prototype.set = function(p, size, speed){
// 座標をセット
this.position.x = p.x;
this.position.y = p.y;
// サイズ、スピードをセット
this.size = size;
this.speed = speed;
// 生存フラグを立てる
this.alive = true;
};
CharacterShot.prototype.move = function(){
// 座標を真上にspeed分だけ移動させる
this.position.y -= this.speed;
// 一定以上の座標に到達していたら生存フラグを降ろす
if(this.position.y < -this.size){
this.alive = false;
}
};
// - enemy --------------------------------------------------------------------
function Enemy(){
this.position = new Point();
this.size = 0;
this.type = 0;
this.param = 0;
this.alive = false;
}
Enemy.prototype.set = function(p, size, type){
// 座標をセット
this.position.x = p.x;
this.position.y = p.y;
// サイズ、タイプをセット
this.size = size;
this.type = type;
// パラメータをリセット
this.param = 0;
// 生存フラグを立てる
this.alive = true;
};
Enemy.prototype.move = function(){
// パラメータをインクリメント
this.param++;
// タイプに応じて分岐
switch(this.type){
case 0:
// X 方向へまっすぐ進む
this.position.x += 2;
// スクリーンの右端より奥に到達したら生存フラグを降ろす
if(this.position.x > this.size + screenCanvas.width){
this.alive = false;
}
break;
case 1:
// マイナス X 方向へまっすぐ進む
this.position.x -= 2;
// スクリーンの左端より奥に到達したら生存フラグを降ろす
if(this.position.x < -this.size){
this.alive = false;
}
break;
}
};
// - enemyshot --------------------------------------------------------------------
function EnemyShot(){
this.position = new Point();
this.vector = new Point();
this.size = 0;
this.speed = 0;
this.alive = false;
}
EnemyShot.prototype.set = function(p, vector, size, speed){
//座標,ベクトルをセット
this.position.x = p.x;
this.position.y = p.y;
this.vector.x = vector.x;
this.vector.y = vector.y;
//サイズ,スピードをセット
this.size = size;
this.speed = speed;
//生存フラグをたてる
this.alive = true;
};
EnemyShot.prototype.move = function(){
// 座標をベクトルに応じてspeed分だけ移動させる
this.position.x += this.vector.x * this.speed;
this.position.y += this.vector.y * this.speed;
//一定以上の座標に到達していたら生存フラグを降ろす
if(
this.position.x < -this.size ||
this.position.y < -this.size ||
this.position.x > this.size +screenCanvas.width ||
this.position.y > this.size +screenCanvas.height
){
this.alive = false;
}
}