rain.js

//
//  EntityRain.js
//
//  Created by Richard Gunther on 15-09-2014.

//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

var startpos = {x: 115, y: 180, z: 130};
var areaSize = 20;

var pitch = 90.0;
var yaw = 0.0;
var roll = 180.0;
var rotation = Quat.fromPitchYawRollDegrees(pitch, yaw, roll)

var rainDropX;
var rainDropZ;
var deltaCount = 0;

function rainEntity(deltaTime) 
{
	if (deltaCount == 5)
	{	
		deltaCount=0;
		
		rainDropX = Math.random() * areaSize + 1;
		rainDropZ = Math.random() * areaSize + 1;		
		
		originalProperties = 
		{
			type: "Sphere",
			position: { x: startpos.x + rainDropX,
							y: startpos.y,
							z: startpos.z + rainDropZ },
							
			dimensions: { 	x: 0.05,
								y: 0.05,
								z: 0.15},		

			color: { 	red: 255,
							green: 255,
							blue: 255 },
			 
			rotation: 	rotation,
			 
			gravity: { 	x: 0.00,
							y: -9.6,
							z: 0 },
							
			lifetime: 10.0	
		}
		Entities.addEntity(originalProperties);
		entitycount++;			
	}

	deltaCount++;
}

Script.update.connect(rainEntity);