HI,
I am new to flash game programming and I am on a project for the game Ice Age which i found in a ebook(i dont have CD just Ebook) Game Design Demystified by Job Makar. The data given in that book was not sufficient. I have developed all the graphics & movie clips required. Now I am having problems in the following areas:
- He has told to use level data in XML format which i don’t know how to incorporate in flash.
- I am unable to understand level editor. However i will be satisfied even if I make 1 level.
3.Few of the functions used in action script are not defined viz addFrictionAndGravity(), createTempPosition(),detectFlag(),checkFloor(),renderScreen().
4.When i test movie nothing comes(no errors & blank screen).
It will be a great help if anyone could help and give me strategy where to start and what steps to follow. This is my school project and I wanna finish it fast. PLEASE HELP…
The ActionScript in use is as follows
game = {};
game.bg = {};
game.bg.clip = gameClip.bg;
game.bg.x = 0;
game.bg.y = 0;
game.bg.height = game.bg.clip._height;
game.bg.width = game.bg.clip._width;
game.overlay = {};
game.overlay.clip = gameClip.overlay;
game.overlay.x = 0;
game.overlay.y = 0;
game.hero = {};
game.hero.clip = gameClip.overlay.man;
hero = game.hero;
hero.lives = game.numLives-1;
clip = game.hero.clip;
hero.xmov = 0;
hero.startx = 50;
hero.starty = 320;
hero.standingHeight = 50;
hero.crouchingHeight = 30;
hero.width = 23;
hero.height = hero.standingHeight;
hero.ymov = 0;
hero.minXmov = .75;
hero.maxXmov = 12;
hero.groundWalkIncrement = 1.7;
hero.airWalkIncrement = .85;
hero.pushSpeed = 4;
hero.walkIncrement = hero.groundWalkIncrement;
hero.jumpSpeed = 23;
hero.clip.swapDepths(1000000);
game.runDecay = .85;
game.depth = 10000;
game.floor = 330;
game.viewableHeight = 350;
game.viewableWidth = 680;
game.walkAbleWidth = 4800;
game.walkAbleHeight = 4000;
game.xScrollFactor = (game.bg.width-game.viewableWidth)/game.walkAbleWidth;
game.yScrollFactor = game.bg.height/game.walkAbleHeight;
game.gravity = 2;
game.windResistance = .92;
game.numLives = 3;
this.onEnterFrame = function() {
if (game.inPlay) {
if (!hero.dead) {
listenForKeys();
}
addFrictionAndGravity();
createTempPosition();
if (!hero.dead) {
baddyDetection();
platformDetect();
collectableDetect();
detectFlag();
checkFloor();
}
renderScreen();
}
};
function listenForKeys() {
hero.wasCrouching = hero.isCrouching;
if (hero.inAir) {
hero.walkIncrement = hero.airWalkIncrement;
} else {
hero.walkIncrement = hero.groundWalkIncrement;
}
if (Key.isDown(Key.RIGHT) && (!hero.isCrouching || (hero.isCrouching && hero.inAir))) {
hero.xmov += hero.walkIncrement;
hero.walkRight();
} else if (Key.isDown(Key.LEFT) && (!hero.isCrouching || (hero.isCrouching && hero.inAir))) {
hero.xmov -= hero.walkIncrement;
hero.walkLeft();
}
if ((Key.isDown(Key.SPACE) || Key.isDown(Key.UP)) && okToJump) {
okToJump = false;
if (!hero.isJumping && !hero.inAir) {
hero.inAir = true;
hero.ymov -= hero.jumpSpeed;
hero.jump();
}
} else if (!Key.isDown(Key.SPACE) && !Key.isDown(Key.UP)) {
okToJump = true;
}
if (Key.isDown(Key.DOWN)) {
hero.crouch();
} else {
hero.unCrouch();
}
}
function platformDetect() {
var oldOnPlatform = hero.onPlatform;
var onPlatform = false;
for (var i = 0; i<game.platforms.column.length; ++i) {
var platform = game.platforms.column*;
var px = platform.x;
var py = platform.y;
var pw = platform.width;
var ph = platform.height;
var type = platform.type;
for (var iteration = 1; iteration<=game.totalIterations; ++iteration) {
hero.tempx = hero.x+(hero.xmov/game.totalIterations)iteration;
hero.tempy = hero.y+(hero.ymov/game.totalIterations)iteration;
if ((hero.tempx+hero.width>px) && (hero.tempx<px+pw) && (hero.tempy-hero.height<py+ph) && (hero.tempy>py)) {
// find which side he hit.
if (hero.tempy>py && hero.y<=py+.01 && hero.tempy<py+ph && hero.ymov>0) {
//landed on top
//the .01 is for a comparison error
var onPlatform = true;
var platformTop = py;
landOnPlatform(platformTop);
if (platform.mover == “yes”) {
var xinc = platform.xspeed+hero.xmov.5;
hero.x += xinc;
hero.y += platform.yspeed+hero.ymov.5;
hero.tempx = hero.x;
hero.tempy = hero.y;
}
} else if (type != “cloud” && hero.tempy-hero.height>py && hero.tempy-hero.height<py+ph && hero.tempx+hero.width/2>px && hero.tempx<px+pw-hero.width/2 && hero.ymov<0) {
//hit from underneath
var newy = py+ph+hero.height;
bounceOffOfBottom(newy);
if (platform.container) {
platform.clip.item.gotoAndPlay(“Display”);
display.num2 = Number(display.num2)+1;
playSound(“collect”);
if (–platform.containerCounter<=0) {
platform.container = false;
}
}
} else if (type != “cloud” && hero.tempx+hero.width>px && hero.tempx+hero.width<px+pw) {
//hit the left side of the platform
if (!hero.wasCrouching) {
var newx = px-hero.width;
bounceOffOfPlatform(newx);
} else {
hero.crouch();
var crouchMove = true;
var left = true;
}
} else if (type != “cloud” && hero.tempx>px && hero.tempx<px+pw) {
//hit the right side of the platform
if (!hero.wasCrouching) {
var newx = px+pw;
bounceOffOfPlatform(newx);
} else {
hero.crouch();
var crouchMove = true;
var left = false;
}
}
}
}
}
hero.onPlatform = onPlatform;
if (crouchMove) {
if (left) {
hero.tempx -= hero.pushSpeed;
} else {
hero.tempx += hero.pushSpeed;
}
}
if (!hero.onPlatform && oldOnPlatform) {
//he just left a platform
hero.inAir = true;
}
}
function baddyDetection() {
for (var i = 0; i<game.baddies.length; ++i) {
var baddy = game.baddies*;
if (hero.clip.hitTest(baddy.clip.hitArea)) {
if (hero.ymov>game.gravity) {
//baddy squashed
hero.tempy = hero.y;
hero.ymov = -10;
killBaddy(baddy, i);
} else {
//hero died
hero.ymov = -20;
hero.xmov = 15;
hero.die();
}
}
}
}
function collectableDetect() {
for (var i = 0; i<game.collectables.length; ++i) {
var ob = game.collectables*;
if (hero.clip.hitTest(ob.clip) && !ob.captured) {
display.num2 = Number(display.num2)+1;
playSound(“collect”);
ob.captured = true;
ob.clip.gotoAndPlay(“Capture”);
}
}
}