shapeshift.js

   1     window.onload = function() {
   2
   3         var game = new Phaser.Game(800, 600, Phaser.AUTO, '', { preload: preload, create: create, update: update });
   4         var platforms;
   5         var guards;
   6         var guard1, guard2;
   7         var birdcage;
   8         var helptext;
   9         var cursors;
  10         var lastkeytime = 0;
  11         var keyboard_handler;
  12         var interaction_handler;
  13         var actual_dialogue = null;
  14
  15         var WAIT_KEY    =       500;
  16
  17         var SHAPE_GIRL  =       0;
  18         var SHAPE_GOAT  =       1;
  19         var SHAPE_BIRD  =       2;
  20
  21         var dialogue_guard1_girl =
  22             [ { actor: 'player', text: "Hello! May I enter this town?" },
  23               { actor: 'guard',  text: "Sorry, I don't know you.\nI can't let you in." } ];
  24         var dialogue_guard1_girl_retry =
  25             [ { actor: 'player', text: "But I'm a goddess!" },
  26               { actor: 'guard',  text: "I'm a feminist.\nI don't put women on pedestals." } ];
  27         var dialogue_guard1_goat =
  28             [ { actor: 'guard',  text: "Hmm, it must be Coralie's lost goat.\nI'd better let it in." } ];
  29         var dialogue_guard2_girl =
  30             [ { actor: 'player', text: "Hi there! I'm a goddess and can transform into a goat!" },
  31               { actor: 'guard',  text: "Hey, that's really cool!\nI'm Coralie." },
  32               { actor: 'player', text: "Nice bird you have there.\nCan I have it?" },
  33               { actor: 'guard',  text: "Yeah, it's yours. Just take it." },
  34               { actor: 'guard',  text: "Don't mind that it took me days to catch it." },
  35               { actor: 'player', text: "Observing this bird, I will be able to shapeshift into a bird too!" } ];
  36         var dialogue_guard2_goat =
  37             [ { actor: 'guard',  text: "This is not my goat. Strange to see random\ngoats wandering here while mine is still missing." } ];
  38         var dialogue_guard3_girl =
  39             [ { actor: 'player', text: "Hi! I'd like to leave the town." },
  40               { actor: 'guard',  text: "Sorry, we have a report of a missing goat.\nIt may have been stolen. We can't let anyone out\nuntil we find the thief." },
  41               { actor: 'player', text: "I just came here before the goat went missing. The other guard can support this." },
  42               { actor: 'player', text: "And the goat may have just wandered away.\nYou know they tend to escape, they require lots of space." },
  43               { actor: 'guard',  text: "Maybe, but we can't be sure. Sorry." } ];
  44         var dialogue_guard3_girl_retry =
  45             [ { actor: 'player', text: "But I'm a girl! I wouldn't steal anything!" },
  46               { actor: 'guard',  text: "I'm a feminist.\nI don't give advantages to people based on their genders." } ];
  47         var dialogue_guard3_goat =
  48             [ { actor: 'guard',  text: "Another goat is trying to escape...\nGood that I'm on guard!" } ];
  49         var dialogue_guard3_bird =
  50             [ { actor: 'guard',  text: "Hi birdie! Don't fly at me, please!" } ];
  51         var dialogue_guard4_girl =
  52             [ { actor: 'guard',  text: "You are at home!\nYou don't have to pretend anymore." } ];
  53         var dialogue_guard4_goat =
  54             [ { actor: 'guard',  text: "Welcome home!\nGlad you shapeshifted back to your true form!" },
  55               { actor: 'guard',  text: "Yes, your true form is goat.\nDidn't you suspect it all along?" } ];
  56         var dialogue_guard4_goat_retry =
  57             [ { actor: 'guard',  text: "(By the way, this is the end of the game.\nYou really can't do anything more.\nThanks for playing!)" } ];
  58
  59
  60         function sign(n) {
  61             if (n >= 0) { return 1 } else { return -1 };
  62         }
  63
  64         function preload () {
  65
  66             game.load.image('ground', 'ground.svg');
  67             game.load.image('player_girl', 'csaj.svg');
  68             game.load.image('player_goat', 'kecskecsaj.svg');
  69             game.load.image('player_bird', 'bird.svg');
  70             game.load.image('guard', 'guard.svg');
  71             game.load.image('birdcage', 'birdcage.svg');
  72
  73         }
  74
  75         function create () {
  76
  77             game.world.setBounds(0, 0, 2800, 600);
  78             game.stage.backgroundColor = 0xffffff;
  79             game.physics.startSystem(Phaser.Physics.ARCADE);
  80
  81             platforms = game.add.group();
  82             platforms.classType = Phaser.TileSprite;
  83             platforms.enableBody = true;
  84
  85
  86             var ground = game.add.tileSprite(0, game.world.height - 80, game.world.width, 200, 'ground');
  87             platforms.add(ground);
  88             ground.body.immovable = true;
  89
  90
  91             player = game.add.sprite(64, game.world.height - 200, 'player_girl');
  92             player.anchor.setTo(.4,.5);
  93             player.scale.x = 0.5;
  94             player.scale.y = player.scale.x;
  95             game.physics.arcade.enable(player);
  96             player.body.bounce.y = 0.2;
  97             player.body.bounce.x = 0.2;
  98             player.body.gravity.y = 300;
  99             player.body.collideWorldBounds = true;
 100             player.pushed = 0;
 101             player.shape = SHAPE_GIRL;
 102             player.learnedBird = false;
 103             game.camera.follow(player);
 104
 105             guards = game.add.group();
 106             guard1 = createGuard(600, game.world.height - 200, 'guard',
 107                 { girl: dialogue_guard1_girl, goat: dialogue_guard1_goat });
 108             guard2 = createGuard(1000, game.world.height - 200, 'player_girl',
 109                 { girl: dialogue_guard2_girl, goat: dialogue_guard2_goat });
 110             guard2.scale.x = -guard2.scale.x;
 111             guard3 = createGuard(1400, game.world.height - 200, 'guard',
 112                 { girl: dialogue_guard3_girl, goat: dialogue_guard3_goat, bird: dialogue_guard3_bird });
 113             guard4 = createGuard(2400, game.world.height - 200, 'player_goat',
 114                 { girl: dialogue_guard4_girl, goat: dialogue_guard4_goat, bird: dialogue_guard4_girl });
 115             guard4.scale.x = -guard4.scale.x;
 116
 117             birdcage = game.add.sprite(1100, game.world.height - 300, 'birdcage');
 118             birdcage.scale.x = 0.5;
 119             birdcage.scale.y = birdcage.scale.x;
 120
 121             cursors = game.input.keyboard.createCursorKeys();
 122
 123             keyboard_handler = keyPress_default;
 124             interaction_handler = interaction;
 125
 126             helptext = game.add.text(80, 30, "Press ARROWS to move.", { align: 'left', fill: '#000000', fontSize: 14 });
 127             helptext.font = "Ubuntu Mono";
 128
 129         }
 130
 131         function update () {
 132
 133             game.physics.arcade.collide(player, platforms);
 134             game.physics.arcade.collide(guards, platforms);
 135             game.physics.arcade.collide(player, guards, interaction_handler);
 136
 137             if (player.pushed)
 138             {
 139                 if ((game.time.now - player.pushed) > 1000)
 140                     player.pushed = 0;
 141             }
 142             else
 143             {
 144                 player.body.velocity.x = 0;
 145             }
 146
 147             if (keyboard_handler) keyboard_handler();
 148
 149         }
 150
 151         function keyPress_default() {
 152
 153             if (cursors.left.isDown)
 154             {
 155                 player.body.velocity.x = -150;
 156                 player.scale.x = - Math.abs(player.scale.x);
 157             }
 158             else if (cursors.right.isDown)
 159             {
 160                 player.body.velocity.x = 150;
 161                 player.scale.x = Math.abs(player.scale.x);
 162             }
 163             else if (game.input.keyboard.isDown(Phaser.Keyboard.SPACEBAR) && ((game.time.now - lastkeytime) > WAIT_KEY))
 164             {
 165                 if (player.shape == SHAPE_GIRL)
 166                 {
 167                     player.shape = SHAPE_GOAT;
 168                     player.loadTexture('player_goat');
 169                 }
 170                 else if ((player.shape == SHAPE_GOAT) && (player.learnedBird))
 171                 {
 172                     player.shape = SHAPE_BIRD;
 173                     player.loadTexture('player_bird');
 174                 }
 175                 else
 176                 {
 177                     player.shape = SHAPE_GIRL;
 178                     player.loadTexture('player_girl');
 179                 }
 180                 lastkeytime = game.time.now;
 181             }
 182
 183             if ((cursors.up.isDown) && (player.shape == SHAPE_BIRD))
 184             {
 185                 player.body.velocity.y = -200;
 186             }
 187
 188         }
 189
 190         function keyPress_indialogue() {
 191
 192             if (game.input.keyboard.isDown(Phaser.Keyboard.SPACEBAR) && ((game.time.now - lastkeytime) > WAIT_KEY))
 193             {
 194                 var dialogue = actual_dialogue.dialogue;
 195                 if (dialogue[actual_dialogue.state + 1])
 196                 {
 197                     var nextState = ++actual_dialogue.state;
 198                     var actor = null;
 199                     if (dialogue[nextState].actor == 'player') actor = actual_dialogue.player;
 200                     else if (dialogue[nextState].actor == 'guard') actor = actual_dialogue.guard;
 201
 202                     actual_dialogue.lastText.kill();
 203                     actual_dialogue.lastText = putText(actor, dialogue[nextState].text);
 204                     lastkeytime = game.time.now;
 205                 }
 206                 else
 207                 {
 208                     leaveDialogue();
 209                     lastkeytime = game.time.now;
 210                 }
 211             }
 212
 213         }
 214
 215         function createGuard(x, y, sprite, dialogues) {
 216
 217             var guard = game.add.sprite(x, y, sprite);
 218             guard.anchor.setTo(.5,.5);
 219             guard.scale.x = 0.5;
 220             guard.scale.y = guard.scale.x;
 221             game.physics.arcade.enable(guard);
 222             guard.body.bounce.y = 0.2;
 223             guard.body.bounce.x = 0.2;
 224             guard.body.gravity.y = 300;
 225             guard.body.collideWorldBounds = true;
 226             guard.dialogues = dialogues;
 227             guards.add(guard);
 228             return guard;
 229
 230         }
 231
 232         function putText(entity, text, color = '#000000') {
 233             var textObject = game.add.text(entity.x, entity.y - (entity.height / 2) - 30, text, { align: 'center', fill: color, fontSize: 14 });
 234             textObject.font = 'Ubuntu Mono';
 235             textObject.anchor.setTo(.5,.5);
 236             return textObject;
 237         }
 238
 239         function interaction(player, guard) {
 240
 241             console.log('Interaction with ' + guard.key);
 242             player.body.velocity.x = -100;
 243             player.pushed = game.time.now;
 244             guard.body.velocity.x = 0;
 245
 246             if (player.shape == SHAPE_GIRL)
 247             {
 248                 if ((guard == guard1) && (guard.dialogues.girl == dialogue_guard1_girl))
 249                     helptext.text = helptext.text + "\nPress SPACE to progress dialogue.";
 250                 enterDialogue(player, guard, guard.dialogues.girl);
 251             }
 252             else if (player.shape == SHAPE_GOAT)
 253             {
 254                 enterDialogue(player, guard, guard.dialogues.goat);
 255             }
 256             else if (player.shape == SHAPE_BIRD)
 257             {
 258                 enterDialogue(player, guard, guard.dialogues.bird);
 259             }
 260
 261         }
 262
 263         function enterDialogue(player, guard, dialogue) {
 264
 265             var actor = null;
 266             if (dialogue[0].actor == 'player') actor = player;
 267             else if (dialogue[0].actor == 'guard') actor = guard;
 268
 269             var lastText = putText(actor, dialogue[0].text);
 270             actual_dialogue = { player: player, guard: guard, dialogue: dialogue, state: 0 , lastText: lastText };
 271             keyboard_handler = keyPress_indialogue;
 272             interaction_handler = null;
 273
 274         }
 275
 276         function leaveDialogue() {
 277
 278             actual_dialogue.lastText.kill();
 279             if (actual_dialogue.dialogue == dialogue_guard1_girl)
 280             {
 281                 helptext.text = helptext.text + "\nPress SPACE to shapeshift.";
 282                 guard1.dialogues.girl = dialogue_guard1_girl_retry;
 283             }
 284             else if (actual_dialogue.dialogue == dialogue_guard1_goat)
 285             {
 286                 guard1.kill();
 287             }
 288             else if (actual_dialogue.dialogue == dialogue_guard2_girl)
 289             {
 290                 guard2.kill();
 291                 birdcage.kill();
 292                 player.learnedBird = true;
 293             }
 294             else if (actual_dialogue.dialogue == dialogue_guard3_girl)
 295             {
 296                 guard3.dialogues.girl = dialogue_guard3_girl_retry;
 297             }
 298             else if (actual_dialogue.dialogue == dialogue_guard4_goat)
 299             {
 300                 guard4.dialogues.goat = dialogue_guard4_goat_retry;
 301                 guard4.dialogues.girl = dialogue_guard4_goat_retry;
 302                 guard4.dialogues.bird = dialogue_guard4_goat_retry;
 303             }
 304
 305             actual_dialogue = null;
 306             keyboard_handler = keyPress_default;
 307             interaction_handler = interaction;
 308
 309         }
 310
 311     };