/* -*- coding: utf-8 -*- * * Copyright (C) 2010 by Atzm WATANABE * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License (version 2) as * published by the Free Software Foundation. It is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * $Id$ * */ function touch(x1, y1, s1, x2, y2, s2) { var dx = Math.pow(x2 - x1, 2); var dy = Math.pow(y2 - y1, 2); if (Math.sqrt(dx + dy) < s1 + s2) return true; return false; } var Bomb = function(x, y, w, h, size, speed, colors) { this.x = x; this.y = y; this.w = w; this.h = h; this.size = size; this.speed = speed; this.colors = colors; this.colIdx = 0; this.update = function(enemy) { this.size += this.speed; // judge bullet var delIdx = new Array(); for (var i = 0; i < enemy.bullets.length; i++) { if (touch(this.x, this.y, this.size, enemy.bullets[i].x, enemy.bullets[i].y, enemy.bullets[i].size)) delIdx.push(i); } enemy.delBullet(delIdx); // judge enemy if (touch(this.x, this.y, this.size, enemy.x, enemy.y, enemy.size) && enemy.life > 0) enemy.life--; }; this.draw = function(ctx) { ctx.beginPath(); ctx.fillStyle = this.colors[this.colIdx]; ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2.0, true); ctx.fill(); ctx.closePath(); if (++this.colIdx >= this.colors.length) this.colIdx = 0; }; this.vanished = function() { if (this.size > this.w && this.size > this.h) return true; return false; }; }; var Trooper = function(name, actList, size, hitSize, color, hitColor, x, y, w, h, life, speed, numBombs, bombColors, barrages) { this.bullets = new Array(); this.bomb = null; this.name = name; this.actList = actList; this.size = size; this.hitSize = hitSize; this.color = color; this.hitColor = hitColor; this.x = x; this.y = y; this.w = w; this.h = h; this.life = life; this.speed = speed; this.numBombs = numBombs; this.bombColors = bombColors; this.barrages = barrages; this.move = function(x, y, area) { this.x += x; this.y += y; this.adjustPosition(area); }; this.moveAbs = function(x, y, area) { this.x = x; this.y = y; this.adjustPosition(area); }; this.adjustPosition = function(area) { if (area == null) area = 1; if (this.x > this.w) this.x = this.w; if (this.y > this.h / area) this.y = this.h / area; if (this.x < 0) this.x = 0; if (this.y < 0) this.y = 0; }; this.isDead = function() { return this.life <= 0; }; this.update = function(enemy) { var delIdx = null; // update my action this.actList.update(this, enemy); // update bomb if (this.bomb) { this.bomb.update(enemy); if (this.bomb.vanished()) this.bomb = null; } // update/delete my bullets delIdx = new Array(); for (var i = 0; i < this.bullets.length; i++) { this.bullets[i].next(); if (this.bullets[i].vanished()) delIdx.push(i); } this.delBullet(delIdx); // judge/delete hit bullets delIdx = new Array(); for (var i = 0; i < enemy.bullets.length; i++) { if (touch(this.x, this.y, this.hitSize, enemy.bullets[i].x, enemy.bullets[i].y, enemy.bullets[i].size)) delIdx.push(i); } enemy.delBullet(delIdx); // update life if (delIdx.length > 0 && this.life > 0) this.life--; }; this.draw = function(ctx) { // draw bomb if (this.bomb) this.bomb.draw(ctx); // draw trooper ctx.beginPath(); ctx.fillStyle = this.color; ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2.0, true); ctx.fill(); ctx.closePath(); if (this.color != this.hitColor || this.size != this.hitSize) { ctx.beginPath(); ctx.fillStyle = this.hitColor; ctx.arc(this.x, this.y, this.hitSize, 0, Math.PI * 2.0, true); ctx.fill(); ctx.closePath(); } // draw bullets for (var i = 0; i < this.bullets.length; i++) this.bullets[i].draw(ctx); }; this.addBullet = function(bulletType, size, color, x, y, dir, speed) { this.bullets.push( new bulletType(size, color, this.x + x, this.y + y, dir, speed)); }; this.delBullet = function(idx) { if (idx.length <= 0) return; var newBullets = new Array(); for (var i = 0; i < idx.length; i++) this.bullets[idx[i]] = null; for (var i = 0; i < this.bullets.length; i++) if (this.bullets[i]) newBullets.push(this.bullets[i]); this.bullets = newBullets; }; this.clearBullet = function() { this.bullets = new Array(); }; this.addBomb = function() { if (!this.bomb && this.numBombs > 0) { this.bomb = new Bomb(this.x, this.y, this.w, this.h, this.size * 2, 10, this.bombColors); this.numBombs--; } }; }