• Choose a category
• All
• Classic-Fiction

}

function switchGameState(newState) {

currentGameState = newState;

switch (currentGameState) {

case GAME_STATE_TITLE:

currentGameStateFunction = gameStateTitle;

break;

case GAME_STATE_NEW_GAME:

currentGameStateFunction = gameStateNewGame;

break;

case GAME_STATE_NEW_LEVEL:

currentGameStateFunction = gameStateNewLevel;

break;

case GAME_STATE_PLAYER_START:

currentGameStateFunction = gameStatePlayerStart;

break;

case GAME_STATE_PLAY_LEVEL:

currentGameStateFunction = gameStatePlayLevel;

break;

case GAME_STATE_PLAYER_DIE:

currentGameStateFunction = gameStatePlayerDie;

break;

case GAME_STATE_GAME_OVER:

currentGameStateFunction = gameStateGameOver;

break;

}

}

function gameStateTitle() {

if (titleStarted !=true){

fillBackground();

setTextStyle();

context.fillText ("Geo Blaster Basic", 130, 70);

context.fillText ("Press Space To Play", 120, 140);

titleStarted = true;

}else{

//wait for space key click

if (keyPressList[32]==true){

ConsoleLog.log("space pressed");

switchGameState(GAME_STATE_NEW_GAME);

titleStarted = false;

}

}

}

function gameStateNewGame(){

ConsoleLog.log("gameStateNewGame")

//set up new game

level = 0;

score = 0;

playerShips = 3;

player.maxVelocity = 5;

player.width = 20;

player.height = 20;

player.halfWidth = 10;

player.halfHeight = 10;

player.rotationalVelocity = 5; //how many degrees to turn the ship

player.thrustAcceleration = .05;

player.missileFrameDelay = 5;

player.thrust = false;

fillBackground();

renderScoreBoard();

switchGameState(GAME_STATE_NEW_LEVEL)

}

function gameStateNewLevel(){

rocks = [];

saucers = [];

playerMissiles = [];

particles = [];

saucerMissiles = [];

level++;

levelRockMaxSpeedAdjust = level*.25;

if (levelRockMaxSpeedAdjust > 3){

levelRockMaxSpeed = 3;

}

levelSaucerMax = 1+Math.floor(level/10);

if (levelSaucerMax > 5){

levelSaucerMax = 5;

}

levelSaucerOccurrenceRate = 10+3*level;

if (levelSaucerOccurrenceRate > 35){

levelSaucerOccurrenceRate = 35;

}

levelSaucerSpeed = 1+.5*level;

if (levelSaucerSpeed>5){

levelSaucerSpeed = 5;

}

levelSaucerFireDelay = 120-10*level;

if (levelSaucerFireDelay<20) {

levelSaucerFireDelay = 20;

}

levelSaucerFireRate = 20 + 3*level;

if (levelSaucerFireRate<50) {

levelSaucerFireRate = 50;

}

levelSaucerMissileSpeed = 1+.2*level;

if (levelSaucerMissileSpeed > 4){

levelSaucerMissileSpeed = 4;

}

//create level rocks

for (var newRockctr=0;newRockctrvar newRock={};

newRock.scale = 1;

//scale

//1 = large

//2 = medium

//3 = small

//these will be used as the divisor for the new size

//50/1 = 50

//50/2 = 25

//50/3 = 16

newRock.width = 50;

newRock.height = 50;

newRock.halfWidth = 25;

newRock.halfHeight = 25;

//start all new rocks in upper left for ship safety

newRock.x = Math.floor(Math.random()*50);

//ConsoleLog.log("newRock.x=" + newRock.x);

newRock.y = Math.floor(Math.random()*50);

//ConsoleLog.log("newRock.y=" + newRock.y);

newRock.dx = (Math.random()*2)+levelRockMaxSpeedAdjust;

if (Math.random()<.5){

newRock.dx*=-1;

}

newRock.dy = (Math.random()*2)+levelRockMaxSpeedAdjust;

if (Math.random()<.5){

newRock.dy*=-1;

}

//rotation speed and direction

newRock.rotationInc = (Math.random()*5)+1;

if (Math.random()<.5){

newRock.rotationInc*=-1;

}

newRock.scoreValue = bigRockScore;

newRock.rotation = 0;

rocks.push(newRock);

//ConsoleLog.log("rock created rotationInc=" + newRock.rotationInc);

}

resetPlayer();

switchGameState(GAME_STATE_PLAYER_START);

}

function gameStatePlayerStart(){

fillBackground();

renderScoreBoard();

if (player.alpha < 1){

player.alpha += .02;

context.globalAlpha = player.alpha;

}else{

switchGameState(GAME_STATE_PLAY_LEVEL);

}

renderPlayerShip(player.x, player.y,270,1);

context.globalAlpha = 1;

updateRocks();

renderRocks();

}

function gameStatePlayLevel(){

checkKeys();

update();

render();

checkCollisions();

checkForExtraShip();

checkForEndOfLevel();

frameRateCounter.countFrames();

}

function resetPlayer() {

player.rotation