update method

@override dynamic update(dynamic frameTime, dynamic elapsedTime)

Implementation

@override
update(frameTime, elapsedTime)
{
  if (smokeGroup.visible) {
    for (var particle in smokeGroup.children) {
      //THREE.Vector3 rot=particle.rotation;
      //rot.mu

      particle.position.add(particle.up.multiplyScalar(1.0));
      // print("pos"+particle.position.x.toString()+" "+particle.position.y.toString()+" "+particle.position.z.toString());


      if (/*particle.position.x.abs()>1000||*/particle.position.y >
          800 /*||particle.position.z.abs()>1000*/) {
        /* var fct=3;
      particle.up=THREE.Vector3(fct*0.25*(OPENWORLD.Math.random()-0.5),fct*1.0*(OPENWORLD.Math.random())+0.1,fct*0.25*(OPENWORLD.Math.random()-0.5));
      particle.position.y=-1000;
      particle.position.x=OPENWORLD.Math.random()*500-250;
      particle.position.z=OPENWORLD.Math.random()*500-250;*/
        if (particle.scale.x < 0.01) {
          //particle is now small enough to reset particle
          //particle.scale.set(1.0, 1.0, 1.0);
          var fct = 3*2;
          particle.up = THREE.Vector3(
              fct * 0.25 * (OPENWORLD.Math.random() - 0.5),
              fct * 1.0 * (OPENWORLD.Math.random()) + 0.1,
              fct * 0.25 * (OPENWORLD.Math.random() - 0.5));
          particle.position.x = OPENWORLD.Math.random() * 500 - 250;
          particle.position.z = OPENWORLD.Math.random() * 500 - 250;
          particle.position.y =  OPENWORLD.Math.random() * 500 - 250;
        } else {
          particle.scale.x -= 0.1 * frameTime;
          particle.scale.y -= 0.1 * frameTime;
          particle.scale.z -= 0.1 * frameTime;
          particle.up.y *= 1 + 0.1 * frameTime;
          /* particle.scale.set(particle.scale.x * (1 - 0.1*frameTime),
            particle.scale.y * (1 -  0.1*frameTime),
            particle.scale.z * (1 -  0.1*frameTime));*/
        }

        //particle.children[0].material.opacity*=(1-0.1*frameTime);
        //particle.up = THREE.Vector3(0.5 * (OPENWORLD.Math.random() - 0.5),
        //    0.5 * (OPENWORLD.Math.random() - 0.5),
        //    0.5 * (OPENWORLD.Math.random() - 0.5));
      } else if (particle.scale.x<1) {
        // gradually grow smoke
        particle.scale.x += 0.1 * frameTime;
        particle.scale.y += 0.1 * frameTime;
        particle.scale.z += 0.1 * frameTime;
      }
      //OPENWORLD.Space.objForward(particle,1);

      //particle.
      //particle.position.x+=2*(OPENWORLD.Math.random()-0.5);
      // particle.position.y+=2*(OPENWORLD.Math.random()-0.5);
      //particle.position.z+=2*(OPENWORLD.Math.random()-0.5);

    }
  }
}