AbstractTetrisAgent nextAgent;
Vector2D pos = new Vector2D(this.getFeld().length / 2, 2);
this.removeAgent(0);
switch (tileType) {
case 0: nextAgent = new TetrisAgentI(0, this, this.getParCollection()); break;
case 1: nextAgent = new TetrisAgentZ(0, this, this.getParCollection()); break;
case 2: nextAgent = new TetrisAgentS(0, this, this.getParCollection()); break;
case 3: nextAgent = new TetrisAgentL(0, this, this.getParCollection()); break;
case 4: nextAgent = new TetrisAgentJ(0, this, this.getParCollection()); break;
case 5: nextAgent = new TetrisAgentO(0, this, this.getParCollection()); break;