[81] | 1 | /* -*- coding: utf-8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2010 by Atzm WATANABE <atzm@atzm.org> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify it |
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| 6 | * under the terms of the GNU General Public License (version 2) as |
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| 7 | * published by the Free Software Foundation. It is distributed in the |
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| 8 | * hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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| 9 | * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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| 10 | * PURPOSE. See the GNU General Public License for more details. |
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| 11 | * |
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| 12 | * $Id$ |
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| 13 | * |
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| 14 | */ |
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| 15 | |
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| 16 | System = { |
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| 17 | "screen": { |
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| 18 | "canvas": null, |
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| 19 | "ctx": null, |
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| 20 | "width": 0, |
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| 21 | "height": 0 |
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| 22 | }, |
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[84] | 23 | "message": null, |
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[81] | 24 | "boss": null, |
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| 25 | "player": null, |
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| 26 | "backgroundObject": new Array(), |
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[95] | 27 | "deathPieces": new Array(), |
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| 28 | "gameOver": false, |
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[81] | 29 | "mainIntervalId": 0 |
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| 30 | }; |
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| 31 | |
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| 32 | |
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| 33 | /* |
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[95] | 34 | * Tiun Tiun |
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| 35 | */ |
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| 36 | var DeathPiece = function(sizes, colors, x, y, dir, speed) { |
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[106] | 37 | var that = new LinerBullet(sizes[0], colors[0], null, x, y, dir, speed); |
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[95] | 38 | |
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| 39 | var sizeIdx = -1; |
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| 40 | var colorIdx = -1; |
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| 41 | |
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| 42 | that.getSize = function() { |
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| 43 | if (++sizeIdx >= sizes.length) |
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| 44 | sizeIdx = 0; |
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| 45 | return sizes[sizeIdx]; |
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| 46 | }; |
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| 47 | |
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| 48 | that.getColor = function() { |
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| 49 | if (++colorIdx >= colors.length) |
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| 50 | colorIdx = 0; |
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| 51 | return colors[colorIdx]; |
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| 52 | }; |
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| 53 | |
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| 54 | return that; |
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| 55 | }; |
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| 56 | |
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| 57 | |
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| 58 | /* |
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[81] | 59 | * Utility Functions |
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| 60 | */ |
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| 61 | function updateBackground(ctx, width, height, size, color, max) { |
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| 62 | if (System.backgroundObject.length < max) { |
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| 63 | var x = Math.ceil(Math.random() * width); |
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| 64 | var s = Math.ceil(Math.random() * 5); |
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| 65 | System.backgroundObject.push( |
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[106] | 66 | new LinerBullet(size, color, null, x, 0, 0.5 * Math.PI, s)); |
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[81] | 67 | } |
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| 68 | |
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| 69 | var newObjs = new Array(); |
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[96] | 70 | for (var i = 0; i < System.backgroundObject.length; i++) { |
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[81] | 71 | System.backgroundObject[i].next(); |
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| 72 | System.backgroundObject[i].draw(ctx); |
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| 73 | if (!System.backgroundObject[i].vanished(width, height)) |
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| 74 | newObjs.push(System.backgroundObject[i]); |
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| 75 | } |
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| 76 | System.backgroundObject = newObjs; |
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| 77 | } |
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| 78 | |
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[95] | 79 | function updateDeathPieces(ctx, width, height, x, y, sizes, colors, speed, way) { |
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| 80 | if (System.deathPieces.length <= 0) { |
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| 81 | if (way % 2) |
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| 82 | way++; |
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| 83 | |
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| 84 | var angle = 0; |
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| 85 | var delta = 2 / way; |
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| 86 | |
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| 87 | for(i = 0; i < way; i++) { |
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| 88 | System.deathPieces.push( |
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| 89 | new DeathPiece(sizes, colors, x, y, angle * Math.PI, speed)); |
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| 90 | angle += delta; |
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| 91 | } |
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| 92 | } |
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| 93 | |
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| 94 | var newObjs = new Array(); |
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[96] | 95 | for (var i = 0; i < System.deathPieces.length; i++) { |
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[95] | 96 | System.deathPieces[i].next(); |
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| 97 | System.deathPieces[i].draw(ctx); |
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| 98 | if (!System.deathPieces[i].vanished(width, height)) |
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| 99 | newObjs.push(System.deathPieces[i]); |
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| 100 | } |
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| 101 | System.deathPieces = newObjs; |
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| 102 | |
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| 103 | return !System.deathPieces.length; |
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| 104 | } |
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| 105 | |
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[81] | 106 | function drawScreen(ctx, op, style, width, height) { |
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| 107 | var c = ctx.globalCompositeOperation; |
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| 108 | ctx.globalCompositeOperation = op; |
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| 109 | ctx.beginPath(); |
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| 110 | ctx.fillStyle = style; |
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| 111 | ctx.fillRect(0, 0, width, height); |
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| 112 | ctx.fill(); |
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| 113 | ctx.closePath(); |
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| 114 | ctx.globalCompositeOperation = c; |
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| 115 | } |
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| 116 | |
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| 117 | function drawLifeGauge(ctx, op, trooper, x, y, width) { |
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| 118 | var length = trooper.life; |
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| 119 | |
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| 120 | if (length > width - 20) |
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| 121 | length = width - 20; |
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| 122 | |
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| 123 | var c = ctx.globalCompositeOperation; |
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| 124 | ctx.globalCompositeOperation = op; |
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| 125 | ctx.beginPath(); |
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| 126 | ctx.fillStyle = trooper.color; |
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| 127 | ctx.fillRect(x, y, length, 10); |
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| 128 | ctx.fill(); |
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| 129 | ctx.closePath(); |
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| 130 | ctx.globalCompositeOperation = c; |
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| 131 | |
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| 132 | drawString(ctx, op, trooper.life, x + 2, y + 8, trooper.color, |
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| 133 | "6pt monospace", "left"); |
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| 134 | } |
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| 135 | |
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| 136 | function drawString(ctx, op, string, x, y, color, font, align) { |
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| 137 | var a = ctx.textAlign; |
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| 138 | var f = ctx.font; |
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| 139 | var c = ctx.globalCompositeOperation; |
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| 140 | ctx.globalCompositeOperation = op; |
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| 141 | ctx.beginPath(); |
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| 142 | ctx.textAlign = align; |
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| 143 | ctx.fillStyle = color; |
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| 144 | ctx.font = font; |
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| 145 | ctx.fillText(string, x, y); |
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| 146 | ctx.fill(); |
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| 147 | ctx.textAlign = a; |
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| 148 | ctx.font = f; |
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| 149 | ctx.closePath(); |
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| 150 | ctx.globalCompositeOperation = c; |
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| 151 | } |
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| 152 | |
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[95] | 153 | function updateTrooper(trooper, enemy) { |
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| 154 | if (System.gameOver) { |
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| 155 | trooper.clearBullet(); |
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| 156 | enemy.clearBullet(); |
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| 157 | |
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| 158 | drawString( |
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| 159 | System.screen.ctx, "source-over", |
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| 160 | "GAME OVER", |
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| 161 | System.screen.width / 2, |
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| 162 | System.screen.height / 2, |
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| 163 | "#ACF", "24pt monospace", "center" |
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| 164 | ); |
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| 165 | } |
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| 166 | else if (trooper.isDead()) { |
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| 167 | trooper.clearBullet(); |
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| 168 | enemy.clearBullet(); |
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| 169 | |
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| 170 | System.gameOver = updateDeathPieces( |
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| 171 | System.screen.ctx, |
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| 172 | System.screen.width, |
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| 173 | System.screen.height, |
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| 174 | trooper.x, |
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| 175 | trooper.y, |
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| 176 | [6, 8, 10], ["#55F", "#AAF"], 3, 8 |
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| 177 | ); |
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| 178 | } |
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| 179 | else if (enemy.isDead()) { |
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| 180 | trooper.draw(System.screen.ctx); |
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| 181 | } |
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| 182 | else { |
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| 183 | trooper.update(enemy); |
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| 184 | trooper.draw(System.screen.ctx); |
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| 185 | } |
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| 186 | } |
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| 187 | |
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[84] | 188 | function setMessage(elem, msg) { |
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| 189 | if (elem) |
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| 190 | elem.innerHTML = msg; |
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| 191 | } |
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[81] | 192 | |
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[84] | 193 | function addMessage(elem, msg) { |
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| 194 | if (elem) |
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| 195 | elem.innerHTML += msg; |
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| 196 | } |
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| 197 | |
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| 198 | |
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[81] | 199 | /* |
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| 200 | * Main loop |
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| 201 | */ |
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| 202 | function mainLoop() { |
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| 203 | // clear screen |
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| 204 | drawScreen( |
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| 205 | System.screen.ctx, |
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| 206 | "source-over", |
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[106] | 207 | "rgba(8,8,8,0.8)", |
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[81] | 208 | System.screen.width, |
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| 209 | System.screen.height |
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| 210 | ); |
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| 211 | |
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| 212 | // update background objects |
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| 213 | updateBackground( |
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| 214 | System.screen.ctx, |
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| 215 | System.screen.width, |
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| 216 | System.screen.height, |
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| 217 | 1, "#CAF", 10 |
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| 218 | ); |
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| 219 | |
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[95] | 220 | // update/draw troopers |
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| 221 | updateTrooper(System.player, System.boss); |
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| 222 | updateTrooper(System.boss, System.player); |
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[81] | 223 | |
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| 224 | // draw player name/life |
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| 225 | drawString( |
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| 226 | System.screen.ctx, |
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| 227 | "source-over", |
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| 228 | System.player.name, |
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| 229 | 10, System.screen.height - 25, |
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| 230 | "#ACF", "9pt monospace", "left" |
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| 231 | ); |
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| 232 | drawLifeGauge( |
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| 233 | System.screen.ctx, |
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| 234 | "lighter", |
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| 235 | System.player, |
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| 236 | 10, |
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| 237 | System.screen.height - 20, |
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| 238 | System.screen.width |
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| 239 | ); |
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| 240 | |
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| 241 | // draw boss name/life |
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| 242 | drawString( |
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| 243 | System.screen.ctx, |
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| 244 | "source-over", |
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| 245 | System.boss.name, 10, 35, |
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| 246 | "#FCA", "9pt monospace", "left" |
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| 247 | ); |
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| 248 | drawLifeGauge( |
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| 249 | System.screen.ctx, |
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| 250 | "lighter", |
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| 251 | System.boss, |
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| 252 | 10, |
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| 253 | 10, |
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| 254 | System.screen.width |
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| 255 | ); |
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| 256 | } |
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| 257 | |
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| 258 | |
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| 259 | /* |
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| 260 | * Initializer |
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| 261 | */ |
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[84] | 262 | function initGame(canvas, msg, bossId, bossData, playerData) { |
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[81] | 263 | System.screen.canvas = canvas; |
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[84] | 264 | System.message = msg; |
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[81] | 265 | System.screen.ctx = System.screen.canvas.getContext("2d"); |
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| 266 | System.screen.width = System.screen.canvas.width; |
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| 267 | System.screen.height = System.screen.canvas.height; |
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[95] | 268 | System.gameOver = false; |
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[81] | 269 | |
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| 270 | System.screen.ctx.globalCompositeOperation = "lighter"; |
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| 271 | |
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| 272 | if (System.mainIntervalId) { |
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| 273 | clearInterval(System.mainIntervalId); |
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| 274 | System.mainIntervalId = 0; |
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| 275 | } |
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| 276 | |
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| 277 | drawScreen( |
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| 278 | System.screen.ctx, |
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| 279 | "source-over", |
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| 280 | "rgba(0,0,0,1)", |
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| 281 | System.screen.width, |
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| 282 | System.screen.height |
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| 283 | ); |
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| 284 | |
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| 285 | System.player = new Trooper( |
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| 286 | playerData.name, |
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| 287 | new ActionList([new ManualAction(new ManualShot())]), |
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| 288 | playerData.size, |
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[97] | 289 | playerData.hitsize, |
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[81] | 290 | "#33F", |
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[97] | 291 | "#F33", |
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[81] | 292 | System.screen.width / 2, |
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| 293 | System.screen.height - System.screen.height / 7, |
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| 294 | System.screen.width, |
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| 295 | System.screen.height, |
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| 296 | playerData.hitpoint, |
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| 297 | playerData.speed, |
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[92] | 298 | playerData.numbombs, |
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[98] | 299 | ["rgba(255,0,0,0.3)", "rgba(0,0,255,0.3)"], |
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[81] | 300 | [new LinerBarrage(YExtendBullet, |
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| 301 | playerData.shotsize, |
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[106] | 302 | "rgba(64,64,128,0.7)", |
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| 303 | null, |
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[81] | 304 | playerData.shotinterval, |
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| 305 | playerData.shotspeed, |
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| 306 | playerData.shotlevel, |
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| 307 | -0.5), |
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| 308 | new LinerBarrage(YExtendBullet, |
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| 309 | playerData.shotsize, |
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[106] | 310 | "rgba(64,64,128,0.7)", |
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| 311 | null, |
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[81] | 312 | playerData.shotinterval, |
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| 313 | playerData.shotspeed, |
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| 314 | playerData.shotlevel, |
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| 315 | 0.5), |
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| 316 | new CircularBarrage(LinerBullet, |
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| 317 | playerData.shotsize, |
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[106] | 318 | "rgba(64,64,128,0.7)", |
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| 319 | null, |
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[81] | 320 | playerData.shotinterval, |
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| 321 | playerData.shotspeed, |
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| 322 | playerData.shotlevel + 2, |
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| 323 | -0.5)] |
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| 324 | ); |
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| 325 | |
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| 326 | var actList = EnemyActionLists[bossData.mtime % EnemyActionLists.length]; |
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| 327 | var shot = EnemyShots[bossData.hitpoint % EnemyShots.length]; |
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| 328 | var numAct = bossData.agility % (EnemyActions.length - 1) + 1; |
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| 329 | var numBlt = bossData.skills.length % (EnemyBullets.length - 1) + 1; |
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| 330 | var numBrrg = bossData.skills.length % (EnemyBarrages.length - 1) + 1; |
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| 331 | var acts = new Array(); |
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| 332 | var brrgs = new Array(); |
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| 333 | |
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[106] | 334 | var bulletWay = Math.ceil(bossData.concentration / 10); |
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| 335 | var bulletInterval = Math.round(50 * 1 / Math.log(bossData.skillpoint + 0.1)); |
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| 336 | var bulletSize = Math.round(Math.log(bossData.luck + 1)); |
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| 337 | var bulletFrameWidth = (bulletSize + 5) * 2; |
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| 338 | var bulletFrameHeight = (bulletSize + 5) * 4; |
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| 339 | var bulletSpeed = bossData.strength / 15; |
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| 340 | bulletSpeed = Math.log(bulletSpeed < 1.5 ? 1.5 : bulletSpeed); |
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[81] | 341 | |
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[106] | 342 | setMessage(System.message, ""); |
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| 343 | addMessage(System.message, " bulletWay:" + String(bulletWay) + "<br>"); |
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| 344 | addMessage(System.message, " bulletInterval:" + String(bulletInterval) + "<br>"); |
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| 345 | addMessage(System.message, " bulletSize:" + String(bulletSize) + "<br>"); |
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| 346 | addMessage(System.message, " bulletSpeed:" + String(bulletSpeed) + "<br>"); |
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| 347 | |
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| 348 | addMessage(System.message, "ActionsIdx:"); |
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| 349 | |
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[96] | 350 | for (var i = 0; i < numAct; i++) { |
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[81] | 351 | var idx = (bossData.agility + i) % EnemyActions.length; |
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| 352 | acts.push(new EnemyActions[idx](new shot())); |
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| 353 | |
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[96] | 354 | addMessage(System.message, String(idx) + "(" + |
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| 355 | String(bossData.hitpoint % EnemyShots.length) + "),"); |
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[81] | 356 | } |
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| 357 | |
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[84] | 358 | addMessage(System.message, "<br>"); |
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[81] | 359 | |
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[96] | 360 | for (var i = 0; i < numBrrg; i++) { |
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[104] | 361 | var idx = (bossData.skillpoint + i * (bossData.skills.length + 1)) % EnemyBarrages.length; |
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[81] | 362 | var brrgCls = EnemyBarrages[idx]; |
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| 363 | |
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[84] | 364 | addMessage(System.message, |
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| 365 | "BarragesIdx:" + String(idx) + " / BulletsIdx:"); |
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[81] | 366 | |
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[96] | 367 | for (var k = 0; k < numBlt; k++) { |
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[81] | 368 | var iidx = (bossData.skills.length + i + k) % EnemyBullets.length; |
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| 369 | brrgs.push( |
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| 370 | new brrgCls( |
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| 371 | EnemyBullets[iidx], |
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[106] | 372 | bulletSize, |
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[81] | 373 | "#FF3", |
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[106] | 374 | {"style": "rect", "color": "rgba(128,32,32,0.5)", |
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| 375 | "width": bulletFrameWidth, "height": bulletFrameHeight}, |
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| 376 | bulletInterval, |
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| 377 | bulletSpeed, |
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| 378 | bulletWay |
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[81] | 379 | ) |
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| 380 | ); |
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| 381 | |
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[84] | 382 | addMessage(System.message, String(iidx) + ","); |
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[81] | 383 | } |
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| 384 | |
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[84] | 385 | addMessage(System.message, "<br>"); |
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[81] | 386 | } |
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| 387 | |
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[106] | 388 | var size = Math.ceil((System.screen.width / 2) * (1 / bossData.defense)); |
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[99] | 389 | size = size < playerData.size ? playerData.size : size; |
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[81] | 390 | System.boss = new Trooper( |
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| 391 | bossData.name, |
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| 392 | new actList(acts), |
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[99] | 393 | size, |
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| 394 | size, |
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[81] | 395 | "#F33", |
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[97] | 396 | "#F33", |
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[81] | 397 | System.screen.width / 2, |
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| 398 | System.screen.height / 7, |
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| 399 | System.screen.width, |
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| 400 | System.screen.height, |
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| 401 | bossData.hitpoint, |
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| 402 | Math.log(bossData.agility + 0.1) * 3, |
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[92] | 403 | 0, |
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[98] | 404 | ["rgba(255,0,0,0.3)", "rgba(0,0,255,0.3)"], |
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[81] | 405 | brrgs |
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| 406 | ); |
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| 407 | |
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| 408 | System.backgroundObject = new Array(); |
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| 409 | System.mainIntervalId = setInterval(mainLoop, 20); |
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| 410 | } |
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