Circle of origin for rain

examples/example/entities/rain.js

@@ -0,0 +1,69 @@
+//
+//  rain.js
+//  examples
+//
+//  Created by David Rowe on 9 Apr 2015.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var RainSquall = function (properties) {
+    var // Properties
+        origin,
+        radius,
+        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);
+
+    function processProperties() {
+        if (!properties.hasOwnProperty("origin")) {
+            print("ERROR: Rain squall origin must be specified");
+            return;
+        }
+        origin = properties.origin;
+
+        if (!properties.hasOwnProperty("radius")) {
+            print("ERROR: Rain squall radius must be specified");
+            return;
+        }
+        radius = properties.radius;
+
+        if (properties.hasOwnProperty("debug")) {
+            debug = properties.debug;
+        }
+    }
+
+    function setUp() {
+        squallCircle = Overlays.addOverlay("circle3d", {
+            size: { x: radius, y: radius },
+            color: SQUALL_CIRCLE_COLOR,
+            alpha: SQUALL_CIRCLE_ALPHA,
+            solid: true,
+            visible: debug,
+            position: origin,
+            rotation: SQUALL_CIRCLE_ROTATION
+        });
+    }
+
+    function tearDown() {
+        Overlays.deleteOverlay(squallCircle);
+    }
+
+    processProperties();
+    setUp();
+    Script.scriptEnding.connect(tearDown);
+
+    return {
+    };
+};
+
+var rainSquall1 = new RainSquall({
+    origin: { x: 8192, y: 8200, z: 8192 },
+    radius: 2.5,
+    debug: true
+});