The Adventures of TomFeni.. continued..

datablock ItemData(lifeUp)
{
   // Mission editor category, this datablock will show up in the
   // specified category under the "shapes" root category.
   category = "Health";

   // Basic Item properties
   shapeFile = "~/data/shapes/lifeUp/lifeUp.dts";
   mass = 1;
   friction = 1;
   elasticity = 0.3;
   emap = true;

   // Dynamic properties defined by the scripts

   maxInventory = 1; // need this to activate the pickupName
   pickUpName = "an extra life";

   lightType = "constantLight";
   lightColor = "0.4 0.8 0.3 1.0";
   lightTime = "1000";
   lightRadius = "3";

};

function lifeUp::onPickup(%this, %obj, %user, %amount)
{

   // The parent Item method performs the actual pickup.

     if (Parent::onPickup(%this, %obj, %user, %amount)) {
         $Player::lives++;  // give the player one life
         serverPlay3D(LifeUpSound,%obj.getTransform());

         livescounter.setCounterValue($Player::lives);
          
}

datablock ParticleData(lifePickup)
{
   textureName          = "~/data/shapes/particles/hearts";
   dragCoefficient     = 0.0;
   gravityCoefficient   = -0.2;   // rises slowly
   inheritedVelFactor   = 0.00;
   lifetimeMS           = 500;
   lifetimeVarianceMS   = 50;
   useInvAlpha = false;
   spinRandomMin = -60.0;
   spinRandomMax = 60.0;

   colors[0]     = "0.0 0.0 0.8 0.1";
   colors[1]     = "0.6 0.0 0.0 0.1";
   colors[2]     = "0.0 0.8 0.0 0.1";

   sizes[0]      = 0.1;
   sizes[1]      = 0.1;
   sizes[2]      = 0.1;

   times[0]      = 2.0;
   times[1]      = 2.5;
   times[2]      = 2.0;
};

datablock ParticleEmitterData(lifePickupEmitter)
{
   ejectionPeriodMS = 35;
   periodVarianceMS = 0;

   ejectionVelocity = 8.0;
   ejectionOffset   = 0.45;
   velocityVariance = 0.5;

   thetaMin         = 45.0;
   thetaMax         = 90.0;

   particles = lifePickup;
};

datablock ParticleEmitterNodeData(lifePickupEmitterNode)
{
   timeMultiple = 1.5;
};

function lifeUp::onPickup(%this, %obj, %user, %amount)
{

   ....
       %effect = new ParticleEmitterNode() {
             position  = vectorSub(%Obj.getWorldBoxCenter(), "0 0 1");
             rotation  = "1 0 0 0";
             scale     = "1 1 1";
             dataBlock = "lifePickupEmitterNode";
             emitter   = lifePickupEmitter;
             velocity  = "1";
             };

           %obj.myEffect = %effect;
           %obj.delete();

       if(isObject(%effect))
	       %effect.schedule(1500, "delete");

     }
}

function box1::onAdd(%this,%obj)
{
   box::onAdd();

   %effect = new ParticleEmitterNode() {
         position  = vectorSub(%obj.getWorldBoxCenter(), "0 0 -1");
         rotation  = "1 0 0 0";
         scale     = "1 1 1";
         dataBlock = "destroyNode";
         emitter   = destroyParticleEmitter;
         velocity  = "1";
      };

      %obj.myEffect = %effect;

}

function box1::onRemove( %this, %Obj )
{
   // 1
   if( isObject( %Obj.myEffect ) )
      %Obj.myEffect.delete();
}