gistfile1.js

var PLANE_MAX_HEIGHT = 500.0;

var METER = 1.0 / TREE_SCALE;

var ORB_METERS = 8;
var ORB_UNITS = ORB_METERS * METER;

var orbHeight = 200 * METER;
var lastOrbPosition = { x: 256 * METER, y: 256 * METER};

var currentIteration = 0;
var NUM_ITERATIONS_BEFORE_SEND = 4;

function voxelOrb() {
  if (currentIteration++ % NUM_ITERATIONS_BEFORE_SEND === 0) {
    var newOrbPosition = { x: Agent.screenX * 512 * METER, y: Agent.screenY * 512 * METER }; 
    
    if (lastOrbPosition.x != newOrbPosition.x || lastOrbPosition.y != newOrbPosition.y) {
      Voxels.queueVoxelDelete(lastOrbPosition.x, orbHeight, lastOrbPosition.y, ORB_UNITS);
      
      lastOrbPosition = newOrbPosition;
    }
  
    Voxels.queueDestructiveVoxelAdd(lastOrbPosition.x, orbHeight, lastOrbPosition.y, ORB_UNITS, 255, (Agent.buttonState * 255), 0);
  }
}

// register the call back so it fires before each data send
Agent.willSendVisualDataCallback.connect(voxelOrb);