-
define number and sound
- var num:Number; num = 5;
- var num: Number = 5;
-
move alligator function
- function alligatorMove(event:Event)
- {
- alligatorIntro.y += alligatorUp;
- childIntro.y += childUp;
- if (alligatorIntro.y < 0)
- alligatorIntro.y = stage.stageHeight;
- if (childIntro.y < 0)
- childIntro.y = stage.stageHeight;
- }
-
move alligator event listener
alligatorIntro.addEventListener(Event.ENTER_FRAME,alligatorMove);
-
enter frame event listener
- <instanceName>.addEventListener(
- Event.ENTER_FRAME, funName);
- function funName(event:EVENT)
- {...
-
button handler
- btnName.addEventListener(MouseEvent.CLICK, funName);
- function funName(event:MouseEvent) {
- ...
- }
-
playGame button
- function playGame(event:MouseEvent)
- {
- gotoAndStop("play");
- }
- begin.addEventListener(
- MouseEvent.CLICK,playGame);
-
directions
- var dir: Number;
- const NORTH: Number = 0;
- const NORTHEAST: Number = 1;
- ...
- const NORTHWEST: Number = 7;
-
sound variable/instance
- var sendBalloons:Sound
- = new SendBalloons();
- var channel:SoundChannel;
channel=sendBalloons.play();
-
add text to numLives textbox
- numLives.text = "Lives left: " + noLives;
- numLives.text = "Lives left: " + String(noLives);
-
to give stage focus in a frame
stage.focus=this;
-
stage width and height
- stage.stageWidth;
- stage.stageHeight;
-
checkKeys handler
- function checkKeys(event:KeyboardEvent) {
- if (event.keyCode == Keyboard.UP)
- { alligator.speed++; }
- else if(event.keyCode==Keyboard.DOWN)
- { alligator.speed--: }
- else if(event.keyCode==Keyboard.LEFT)
- { alligator.dir--;
- if(alligator.dir<NORTH)
- alligator.dir=NORTHWEST;
- else if(event.keyCode==Keyboard.RIGHT)
- { alligator.dir++;
- if(alligator.dir>NORTHWEST)
- alligator.dir=NORTH;
- }
- }
-
turn alligator
alligator.rotation = alligator.dir * 45; //rotate alligator 45 degrees
-
turn Sprite(sprite) function
- function turnSprite(sprite) {
- switch (sprite.dir) {
- case NORTH:
- sprite.horizontalSpeed = 0;
- sprite.verticalSpeed = -1;
- break;
- case NORTHEAST:
- sprite.horizontalSpeed = .7;
- sprite.verticalSpeed = -.7;
- break;
- case EAST:
- sprite.horizontalSpeed = 1;
- sprite.verticalSpeed = 0;
- break;
- case SOUTHEAST:
- sprite.horizontalSpeed = .7;
- sprite.verticalSpeed = .7;
- break;
- case SOUTH:
- sprite.horizontalSpeed = 0;
- sprite.verticalSpeed = 1;
- break;
- case SOUTHWEST:
- sprite.horizontalSpeed = -.7;
- sprite.verticalSpeed = .7;
- break;
- case WEST:
- sprite.horizontalSpeed = -1;
- sprite.verticalSpeed = 0;
- break;
- case NORTHWEST:
- sprite.horizontalSpeed = -.7;
- sprite.verticalSpeed = -.7;
- break;
- default:
- trace("there's a problem here...");
- }
- sprite.horizontalSpeed *= sprite.speed;
- sprite.verticalSpeed *= sprite.speed;
- }
-
move sprite
- function moveSprite(sprite) {
- trace("entered moveSprite()");
- sprite.x += sprite.horizontalSpeed; //move the sprite
- sprite.y += sprite.verticalSpeed;
- sprite.rotation = sprite.dir * 45;
- if (sprite.x > stage.stageWidth) //wrap
- sprite.x = 0;
- else if (sprite.x < 0)
- sprite.x = stage.stageWidth;
- if (sprite.y > stage.stageHeight)
- sprite.y = 0;
- else if (sprite.y < 0)
- sprite.y = stage.stageHeight;
- }
-
random direction and speed
- sprite.dir = Math.random() *8;
- sprite.dir =Math.floor(sprite.dir);
- sprite.speed = Math.random()*10;
-
collision detection
- function checkCollisions()
- {
- if (alligator.hitTestObject(child1))
- {
- trace("alligator hit by child 1!");
- channel=hitAlligator.play();
- resetChild(child1);
- noLives--;
- //trace("noLives=" + noLives);
- numLives.text="Lives left: "+noLives;
- }
- else if (balloons.hitTestObject(child1))
- {
- trace("child 1 popped balloons");
- channel=popBalloons.play();
- resetBalloons();
- resetChild(child1);
- noPoints+=100;
- trace("noPoints: "+noPoints);
- numPoints.text = "Points: " + noPoints;
- }
- if (noLives <= 0)
- {
- alligator.removeEventListener(Event.ENTER_FRAME,moveAlligator);
- stage.removeEventListener(KeyboardEvent.KEY_DOWN,checkKeys);
- stage.removeEventListener(Event.ENTER_FRAME,moveChild);
- gotoAndStop("gameOver");
- }
}
-
object(instance) height or width
- object.width
- object.height
-
un-named move function for boomerang
change direction
boomerang.move(); //function call
- boomerang.move = function()
- {
- boomerang.x += horizontalSpeed;
- boomerang.y += verticalSpeed;
- }
horizontalSpeed=-horizontalSpeed;
-
boomerang checkBoundaries
- boomerang.checkBoundaries = function()
- {
- if (boomerang.x+boomerang.width/2 > stage.stageWidth)
- boomerang.x = boomerang.width/2; //move to left (ie. Wrap)
- else if (boomerang.x-boomerang.width/2 < 0)
- boomerang.x = stage.stageWidth-boomerang.width/2;
- if (boomerang.y+boomerang.height/2 > stage.stageHeight)
- boomerang.y= boomerang.height/2;
- else if (boomerang.y-boomerang.height/2 < 0 )
- boomerang.y = stage.stageHeight-boomerang.height/2;
- }
-
colour gradient
Choose Radial from the Colour Mixer panel
-
change cursor to star
- Insert > New Symbol: Movie Clip Behavior, name it star
- Drag the star onto the left hand side of the stage.
- In the properties panel, change the <instance name> to star
- star.addEventListener(Event.ENTER_FRAME, useStar);
- function useStar(event:Event)
- {
- star.x = stage.mouseX;
- star.y = stage.mouseY;
- }
-
Write a function that we can call upon whenever we need to hide the mouse
- function init()
- {
- Mouse.hide();
- }
- init();
-
have the mouse replaced with the player’s paddle.
- function movePlayer(event:Event)
- {
- player.y = stage.mouseY;
- }
- player.addEventListener(Event.ENTER_FRAME, movePlayer);
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