AdrianArroyoCalle/gajse

/* This module verifies if the user can move */

var THREE=require("three");

module.exports={
    rays: [
      new THREE.Vector3(0, 0, 1),
      new THREE.Vector3(1, 0, 1),
      new THREE.Vector3(1, 0, 0),
      new THREE.Vector3(1, 0, -1),
      new THREE.Vector3(0, 0, -1),
      new THREE.Vector3(-1, 0, -1),
      new THREE.Vector3(-1, 0, 0),
      new THREE.Vector3(-1, 0, 1)
    ],
    raycaster: new THREE.Raycaster(),
    movements: {
        RIGHT: true,
        LEFT: true,
        GO: true,
        BACK: true
    },
    getMovements: function(){
        return this.movements;
    },
    refresh: function(position,objects){
        /* objects should be scene.children */
        this.movements.RIGHT=true;
        this.movements.LEFT=true;
        this.movements.GO=true;
        this.movements.BACK=true;
        for(var i=0;i<this.rays.length;i++)
        {
            this.raycaster.set(position,this.rays[i]);
            var collisions=this.raycaster.intersectObjects(objects);
            if(collisions.length > 0 && collisions[0].distance <= 1)
            {
                if(i==3 || i==4 || i==5)
                {
                    this.movements.GO=false;
                }
                if(i==0 || i==1 || i==7)
                {
                    this.movements.BACK=false;
                }
                if(i==1 || i==2 || i==3)
                {
                    this.movements.RIGHT=false;
                }
                if(i==5 || i==6 || i==7)
                {
                    this.movements.LEFT=false;
                }    
                if(collisions[0].object.gajse != undefined)
                {

                    if(collisions[0].object.gajse.textCallback != undefined)
                        collisions[0].object.gajse.textCallback.speak();
                }
            }
        }
    }
}