From f27f8e39c8950701684ad4f931f986838447e19c Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Wed, 9 Apr 2014 17:22:17 -0700
Subject: [PATCH] example JS for handling avatar collisions

---
 examples/avatarCollision.js | 68 +++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 examples/avatarCollision.js

diff --git a/examples/avatarCollision.js b/examples/avatarCollision.js
new file mode 100644
index 0000000000..5ade894365
--- /dev/null
+++ b/examples/avatarCollision.js
@@ -0,0 +1,68 @@
+//
+//  avatarCollision.js
+//  examples
+//
+//  Created by Andrew Meadows on 2014-04-09
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Play a sound on collisions with your avatar
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var SOUND_TRIGGER_CLEAR = 1000; // milliseconds
+var SOUND_TRIGGER_DELAY = 200; // milliseconds
+var soundExpiry = 0;
+var DateObj = new Date();
+var audioOptions = new AudioInjectionOptions();
+audioOptions.volume = 0.5;
+audioOptions.position = { x: 0, y: 0, z: 0 };
+
+var hitSounds = new Array();
+hitSounds[0] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit1.raw");
+hitSounds[1] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit2.raw");
+hitSounds[2] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit3.raw");
+hitSounds[3] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit4.raw");
+hitSounds[4] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit5.raw");
+hitSounds[5] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit6.raw");
+hitSounds[6] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit7.raw");
+hitSounds[7] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit8.raw");
+hitSounds[8] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit9.raw");
+hitSounds[9] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit10.raw");
+hitSounds[10] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit11.raw");
+hitSounds[11] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit12.raw");
+hitSounds[12] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit13.raw");
+hitSounds[13] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit14.raw");
+hitSounds[14] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit15.raw");
+hitSounds[15] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit16.raw");
+hitSounds[16] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit17.raw");
+hitSounds[17] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit18.raw");
+hitSounds[18] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit19.raw");
+hitSounds[19] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit20.raw");
+hitSounds[20] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit21.raw");
+hitSounds[21] = new Sound("http://highfidelity-public.s3-us-west-1.amazonaws.com/sounds/Collisions-hitsandslaps/Hit22.raw");
+
+function playHitSound(mySessionID, theirSessionID, collision) {
+    var now = new Date();
+    var msec = now.getTime();
+    if (msec > soundExpiry) {
+        // this is a new contact --> play a new sound
+        var soundIndex = Math.floor((Math.random() * hitSounds.length) % hitSounds.length);
+        audioOptions.position = collision.contactPoint;
+        Audio.playSound(hitSounds[soundIndex], audioOptions);
+
+        // bump the expiry
+        soundExpiry = msec + SOUND_TRIGGER_CLEAR;
+
+        // log the collision info
+        Uuid.print("my sessionID = ", mySessionID);
+        Uuid.print(" their sessionID = ", theirSessionID);
+        Vec3.print("  penetration = ", collision.penetration);
+        Vec3.print("   contactPoint = ", collision.contactPoint);
+    } else {
+        // this is a recurring contact --> continue to delay sound trigger
+        soundExpiry = msec + SOUND_TRIGGER_DELAY;
+    }
+}
+MyAvatar.collisionWithAvatar.connect(playHitSound);