From e4e372b2a38fbc205157131d03144270800ed3bd Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Thu, 9 Apr 2015 15:51:19 -0700
Subject: [PATCH] Create a raindrop with a lifetime

---
 examples/example/entities/rain.js | 34 +++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/examples/example/entities/rain.js b/examples/example/entities/rain.js
index 4cc8827293..a4860a1eac 100644
--- a/examples/example/entities/rain.js
+++ b/examples/example/entities/rain.js
@@ -13,12 +13,17 @@ var RainSquall = function (properties) {
     var // Properties
         origin,
         radius,
+        dropSize = { x: 0.1, y: 0.1, z: 0.1 },
+        dropLifetime = 60,                                      // Seconds
         debug = false,                                          // Display origin circle
         // Other
         squallCircle,
         SQUALL_CIRCLE_COLOR = { red: 255, green: 0, blue: 0 },
-        SQUALL_CIRCLE_ALPHA = 0.3,
-        SQUALL_CIRCLE_ROTATION = Quat.fromPitchYawRollDegrees(90, 0, 0);
+        SQUALL_CIRCLE_ALPHA = 0.5,
+        SQUALL_CIRCLE_ROTATION = Quat.fromPitchYawRollDegrees(90, 0, 0),
+        raindropProperties,
+        RAINDROP_MODEL_URL = "https://s3.amazonaws.com/hifi-public/ozan/Polyworld/Sets/sky/tetrahedron_v1-Faceted2.fbx",
+        raindropTimer;
 
     function processProperties() {
         if (!properties.hasOwnProperty("origin")) {
@@ -33,9 +38,29 @@ var RainSquall = function (properties) {
         }
         radius = properties.radius;
 
+        if (properties.hasOwnProperty("dropSize")) {
+            dropSize = properties.dropSize;
+        }
+
+        if (properties.hasOwnProperty("dropLifetime")) {
+            dropLifetime = properties.dropLifetime;
+        }
+
         if (properties.hasOwnProperty("debug")) {
             debug = properties.debug;
         }
+
+        raindropProperties = {
+            type: "Model",
+            modelURL: RAINDROP_MODEL_URL,
+            lifetime: dropLifetime,
+            dimensions: dropSize
+        };
+    }
+
+    function createRaindrop() {
+        raindropProperties.position = Vec3.sum(origin, { x: 0, y: -0.1, z: 0 });
+        Entities.addEntity(raindropProperties);
     }
 
     function setUp() {
@@ -48,9 +73,12 @@ var RainSquall = function (properties) {
             position: origin,
             rotation: SQUALL_CIRCLE_ROTATION
         });
+
+        raindropTimer = Script.setInterval(createRaindrop, 3000);
     }
 
     function tearDown() {
+        Script.clearInterval(raindropTimer);
         Overlays.deleteOverlay(squallCircle);
     }
 
@@ -65,5 +93,7 @@ var RainSquall = function (properties) {
 var rainSquall1 = new RainSquall({
     origin: { x: 8192, y: 8200, z: 8192 },
     radius: 2.5,
+    dropSize: { x: 0.1, y: 0.1, z: 0.1 },
+    dropLifetime: 2,
     debug: true
 });
\ No newline at end of file