----------------- Part 6 - Section 1 ----------------- 


Code Sample 6.1.1

"
function enemyShip::fireMissile(%this)
{
   %this.enemyMissile = new t2dStaticSprite()
   {
       scenegraph = %this.scenegraph;
       class = enemyMissile;
       missileSpeed = %this.missileSpeed;
       enemy = %this;
   };
       %this.enemyMissile.fire();
}
"




Code Sample 6.1.2

"
function enemyShip::spawn(%this)
{
    %this.setLinearVelocityX(getRandom(%this.minSpeed, %this.maxSpeed));
    %this.setPositionY(getRandom(%this.minY, %this.maxY));
    %this.setPositionX(%this.startX);   
    %this.fireMissile();
}
"




Code Sample 6.1.3

"
function enemyMissile::fire(%this)
{
    %this.setLinearVelocityX(%this.missileSpeed);
    %this.setPosition(%this.enemy.getPosition());
    %this.setImageMap(enemyMissileImageMap);
    %this.setSize(22, 10);
    %this.setCollisionActive( true, true );
    %this.setCollisionPhysics(false, false);
    %this.setCollisionCallback(true);
}
"




Code Sample 6.1.4

"
function enemyMissile::onCollision( %srcObj, %dstObj, %srcRef, %dstRef, %time, %normal, %contactCount, %contacts )
{
     if(%dstObj.class $= "playerShip")
    {
        %srcObj.explode();	
        %dstObj.explode();
    }
}
"




Code Sample 6.1.5

"
function enemyMissile::explode(%this)
{
    %this.safeDelete();
}
"




----------------- Part 6 - Section 2 ----------------- 


Code Sample 6.2.1

"
function playerShip::onLevelLoaded(%this, %scenegraph)
{
   //set the player's ship name to the instance
   $pShip = %this;

   moveMap.bindCmd(keyboard, "w", "pShipUp();", "pShipUpStop();");
   moveMap.bindCmd(keyboard, "s", "pShipDown();", "pShipDownStop();");
   moveMap.bindCmd(keyboard, "a", "pShipLeft();", "pShipLeftStop();");
   moveMap.bindCmd(keyboard, "d", "pShipRight();", "pShipRightStop();");

   %this.isDead = false;
}
"




Code Sample 6.2.2

"
function playerShip::createMissile(%this)
{
   %this.playerMissile = new t2dStaticSprite()
    {
        scenegraph = %this.scenegraph;
        class = playerMissile;
        missileSpeed=%this.missileSpeed;
        player = %this;
    };
       %this.playerMissile.fire();
}
"




Code Sample 6.2.3

"
function playerShip::createMissile(%this, %isDead)
{
    if(!%this.isDead)
    {
       %this.playerMissile = new t2dStaticSprite()
       {
            scenegraph = %this.scenegraph;
            class = playerMissile;
            missileSpeed=%this.missileSpeed;
            player = %this;
       };

       %this.playerMissile.fire();
   }
}
"




Code Sample 6.2.4

"
function playerShip::onCollision( %srcObj, %dstObj, %srcRef, %dstRef, %time, %normal, %contactCount, %contacts )
{
    if(%this.isDead)
       return;

    if(%dstObj.class $= "enemyShip")
    {
        %srcObj.explode();	
        %dstObj.explode();
    }
}
"




Code Sample 6.2.5

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function playerShip::explode(%this)
{
   %this.isdead = true;
    %this.setEnabled(false);
   %this.schedule(2000, "spawn");
}
"




Code Sample 6.2.6

"
function playerShip::spawn(%this)
{
   %this.isDead = false;
   %this.setPosition(%this.startX, %this.startY);
   %this.setEnabled(true);
}
"




Code Sample 6.2.7

"
function playerShip::onLevelLoaded(%this, %scenegraph)
{
   //set the player's ship name to the instance
   $pShip = %this;

   %this.isDead = false;

   //These commands bind our keys to our functions
   moveMap.bindCmd(keyboard, "w", "pShipUp();", "pShipUpStop();");
   moveMap.bindCmd(keyboard, "s", "pShipDown();", "pShipDownStop();");
   moveMap.bindCmd(keyboard, "a", "pShipLeft();", "pShipLeftStop();");
   moveMap.bindCmd(keyboard, "d", "pShipRight();", "pShipRightStop();");
   moveMap.bindCmd(keyboard, "space", "$pShip.createMissile();", "");
}
"




Code Sample 6.2.8

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   //save the players starting position
   %this.startX = %this.getPositionX();
   %this.startY = %this.getPositionY();
"




Code Sample 6.2.9

"
function playerShip::onLevelLoaded(%this, %scenegraph)
{
   //set the player's ship name to the instance
   $pShip = %this;

   %isDead = false;

   //save the players starting position
   %this.startX = %this.getPositionX();
   %this.startY = %this.getPositionY();

   //These commands bind our keys to our functions
   moveMap.bindCmd(keyboard, "w", "pShipUp();", "pShipUpStop();");
   moveMap.bindCmd(keyboard, "s", "pShipDown();", "pShipDownStop();");
   moveMap.bindCmd(keyboard, "a", "pShipLeft();", "pShipLeftStop();");
   moveMap.bindCmd(keyboard, "d", "pShipRight();", "pShipRightStop();");
   moveMap.bindCmd(keyboard, "space", "$pShip.createMissile();", "");
}
"




Code Sample 6.2.10

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   // Exec game scripts.
   exec("./player.cs");
   exec("./enemy.cs");
   exec("./playerMissile.cs");
   exec("./enemyMissile.cs");
"