TypeError: Error
I have no idea what is wrong, I have checked for typos and everything else I can think of.
The game needs to be handed in tomorrow so help is appreciated!
These are the two errors I receive
at Shooter_fla::MainTimeline/moveEnemy()[Shooter_fla.MainTimeline::frame1:263]
at Shooter_fla::MainTimeline/Movement()[Shooter_fla.MainTimeline::frame1:83]
//Imports (these will often be created for you when required)
import flash.events.KeyboardEvent;
import flash.events.MouseEvent;
//Event Listeners (trigger specific functions)
stage.addEventListener(KeyboardEvent.KEY_DOWN, ControlDown);
stage.addEventListener(KeyboardEvent.KEY_UP, ControlUp);
stage.addEventListener(Event.ENTER_FRAME, Movement);
stage.addEventListener(MouseEvent.MOUSE_DOWN, shoot2);
stage.addEventListener(MouseEvent.MOUSE_UP, shoot);
//Properties (Variables & Constants)
var forward:Boolean = false;
var left:Boolean = false;
var right:Boolean = false;
var back:Boolean = false;
var shots:Array = [];
var characterAngle:Number = char_mc.rotation * Math.PI / 180;
var spaceBar:Boolean = false;
var bulletSpeed:int = 7;
var movementspeed:int = 4;
var timer:int = 20;
var mousedown:Boolean = false;
var enemies:Array = [];
var score:int = 0;
var lives:int = 3;
Score_mc.Score_txt.text = String(score);
Score_mc.Lives_txt.text = String(lives);
//make the EndGame symbol invisible
GameOver_mc.visible = false;
Mouse.hide();
//This function deals with keyboard controls;
function Movement(event:Event):void
{
if (forward)
{
char_mc.y -= movementspeed;
}
if (back)
{
char_mc.y += movementspeed;
}
if (left)
{
char_mc.x -= movementspeed;
}
if (right)
{
char_mc.x += movementspeed;
}
if (mousedown)
{
if (timer <= 0)
{
timer = 20;
addBullet(char_mc.x, char_mc.y, char_mc.rotation);
}
}
char_mc.rotation = -(Math.atan2(char_mc.x - mouseX, char_mc.y - mouseY) * 180 / Math.PI) -90;
crosshair.x = mouseX;
crosshair.y = mouseY;
timer--;
bulletAction();
addEnemy();
moveEnemy();
hitEnemy();
}
function ControlDown(event:KeyboardEvent):void
{
switch (event.keyCode)
{
case 87 :
forward = true;
break;
case 65 :
left = true;
break;
case 68 :
right = true;
break;
case 83 :
back = true;
break;
case Keyboard.SPACE :
spaceBar = true;
break;
}
}
function ControlUp(event:KeyboardEvent):void
{
switch (event.keyCode)
{
case 87 :
forward = false;
break;
case 65 :
left = false;
break;
case 68 :
right = false;
break;
case 83 :
back = false;
break;
case Keyboard.SPACE :
spaceBar = false;
break;
}
}
function shoot2(e:MouseEvent):void
{
mousedown = true;
}
function shoot(e:MouseEvent):void
{
mousedown = false;
}
function addBullet(startX, startY, rot):void
{
var s:Shot = new Shot();
s.x = startX;
s.y = startY;
s.rotation = rot;
//add the new shot to the stage
stage.addChild(s);
//store the object in an array
shots.push(s);
}
function bulletAction():void
{
for (var i:int = 0; i <= shots.length - 1; i++)
{
shots.x += bulletSpeed * Math.cos(shots.rotation * Math.PI / 180);
shots.y += bulletSpeed * Math.sin(shots.rotation * Math.PI / 180);
if (shots.x > stage.stageWidth ||shots.y > stage.stageHeight || shots.x < 0 || shots.y < 0)
{
stage.removeChild(shots);
shots.splice(i, 1);
}
}
}
function addEnemy():void
{
//limit number of enemies on screen
if (enemies.length < 3
)
{
//declare an object instance from the enemy Class
var e:Enemy = new Enemy();
//set the enemy start point to the far right of the stage
var startX:int = Math.random() * stage.stageWidth;
//Randomise where the enemy starts on the right
var startY:int = Math.random() * stage.stageHeight;
//set the new bullet's x,y coordinates
e.x = startX;
e.y = startY;
//add the new enemy to the stage
stage.addChild(e);
//store the object in an array
enemies.push(e);
}
}
function moveEnemy():void
{
//loop through all instances of the enemy
//loop from '0' to 'number_of_enemies'
for (var i:int = 0; i <= enemies.length - 1; i++)
{
//if the enemy is below the ship then move up
if (enemies.y > char_mc.y)
{
enemies.y -= 1;
//else if the enemy is above the ship then move down
}
else if (enemies.y < char_mc.y)
{
enemies.y += 1;
}
//if the enemy is below the ship then move up
if (enemies.x > char_mc.x)
{
enemies.x -= 1;
//else if the enemy is above the ship then move down
}
else if (enemies.x < char_mc.x)
{
enemies.x += 1;
}
//if enemy hits the player's ship
if (enemies.hitTestObject(char_mc))
{
//remove the enemy from the stage
stage.removeChild(enemies);
//remove the enemy from the array
enemies.splice(i, 1);
lives -= 1;
Score_mc.Lives_txt.text = String(lives);
if (lives <= 0)
{
//remove event listeners to cease all actions on stage
stage.removeEventListener(KeyboardEvent.KEY_DOWN, ControlDown);
stage.removeEventListener(KeyboardEvent.KEY_UP, ControlUp);
stage.removeEventListener(Event.ENTER_FRAME, Movement);
stage.removeEventListener(MouseEvent.MOUSE_DOWN, shoot2);
stage.removeEventListener(MouseEvent.MOUSE_UP, shoot);
//remove bullets (as these will appear...
//...in front of our EndGame symbol)
for (var j:int = 0; j <= shots.length - 1; j++)
{
stage.removeChild(shots
}
//remove enemies (as these will appear...
//...in front of our EndGame symbol)
for (var k:int = 0; k <= enemies.length - 1; k++)
{
stage.removeChild(enemies
}
//set final score
GameOver_mc.FinalScore_txt.text = String(score);
//show EndGame symbol
GameOver_mc.visible = true;
}
}
}
}
function hitEnemy():void
{
//loop through all bullets...
for (var i:int = 0; i <= shots.length - 1; i++)
{
//...and loop through all enemies for each bullet
for (var j:int = 0; j <= enemies.length - 1; j++)
{
//check each bullet against each enemy for hits
if (shots.hitTestObject(enemies
{
//remove the bullet and enemy from the stage
stage.removeChild(shots);
stage.removeChild(enemies
//remove the bullet and enemy from their arrays
shots.splice(i, 1);
enemies.splice(j, 1);
}
}
}
}
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