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18 Rotate 360º First Part

Video Rotate 360º 
//cercle

var distance_center = 10;

var rotate_0 = Math.PI/2;

var height_from_the ground= 0;

var ITEM_ID= "LP_Horse";

var items=30;//numbers items to put

//var items=50;//numbers items to put

var espiral = distancia_al_centro/ELEMENTOS;

var slope_spiral= 0.3;

var items_n=[];

for (var i=0; i < items; i++){

var pos_x= distance_center*Math.sin(Math.PI*2*i/items);

var pos_y= distance_center*Math.cos(Math.PI*2*i/items);

var pos_z=height_from_the ground+(slope_spiral*i) ;

var rotate= rotate_0 + (Math.PI*2*i/items);

var item=Scene.createItem(ITEM_ID,pos_x,pos_y,pos_z);

item.setPositionAngle(pos_x, pos_y,pos_z, 0, 0, 1,rotate);

item.say(i+1);

items_n.push(item);

}

//second scene

//spiral

var distance_center = 10;

var rotate_0 = Math.PI/2;

var height_from_the ground= 0;

var ITEM_ID= "LP_Horse";

var items=30;//numbers items to put

//var items=50;//numbers items to put

var spiral = distance_center/items;

var slope_spiral= 0.3;

var items_n=[];

for (var i=0; i < items; i++){

var pos_x= ((distance_center-(spiral*i))*Math.sin(Math.PI*2*i/items)));

var pos_y= ((distance_center-(spiral*i)))*Math.cos(Math.PI*2*i/items)));

var pos_z=height_from_the ground+(slope_spiral*i) ;

var rotate= rotate_0 + (Math.PI*2*i/items);

var item=Scene.createItem(ITEM_ID,pos_x,pos_y,pos_z);

item.setPositionAngle(pos_x, pos_y,pos_z, 0, 0, 1,rotate);

item.say(i+1);

items_n.push(item);

}