arc ball finds other balls

examples/flowArts/arcBall/arcBall.js

@@ -0,0 +1,149 @@
+//
+//  arcBall.js
+//  examples/arcBall
+//
+//  Created by Eric Levin on 12/17/15.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  This script creats a particle light ball which makes particle trails as you move it.
+//
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+Script.include("../../libraries/utils.js");
+
+
+var scriptURL = Script.resolvePath("arcBallEntityScript.js");
+ArcBall = function(spawnPosition) {
+
+    var colorPalette = [{
+        red: 25,
+        green: 20,
+        blue: 162
+    }];
+
+
+    var containerBall = Entities.addEntity({
+        type: "Sphere",
+        name: "Arc Ball",
+        script: scriptURL,
+        position: Vec3.sum(spawnPosition, {
+            x: 0,
+            y: .5,
+            z: 0
+        }),
+        dimensions: {
+            x: .1,
+            y: .1,
+            z: .1
+        },
+        color: {
+            red: 15,
+            green: 10,
+            blue: 150
+        },
+        mass: 10,
+        collisionsWillMove: true,
+        // gravity: {
+        //     x: 0,
+        //     y: -0.5,
+        //     z: 0
+        // },
+        userData: JSON.stringify({
+            grabbableKey: {
+                spatialKey: {
+                    relativePosition: {
+                        x: 0,
+                        y: .1,
+                        z: 0
+                    }
+                },
+                invertSolidWhileHeld: true
+            }
+        })
+    });
+
+
+    var light = Entities.addEntity({
+        type: 'Light',
+        name: "ballLight",
+        parentID: containerBall,
+        dimensions: {
+            x: 30,
+            y: 30,
+            z: 30
+        },
+        color: colorPalette[randInt(0, colorPalette.length)],
+        intensity: 5
+    });
+
+
+    var arcBall = Entities.addEntity({
+        type: "ParticleEffect",
+        parentID: containerBall,
+        isEmitting: true,
+        name: "Arc Ball Particle Effect",
+        colorStart: {
+            red: 200,
+            green: 20,
+            blue: 40
+        },
+        color: {
+            red: 200,
+            green: 200,
+            blue: 255
+        },
+        colorFinish: {
+            red: 25,
+            green: 20,
+            blue: 255
+        },
+        maxParticles: 100000,
+        lifespan: 2,
+        emitRate: 10000,
+        emitSpeed: .1,
+        lifetime: -1,
+        speedSpread: 0.0,
+        emitDimensions: {
+            x: 0,
+            y: 0,
+            z: 0
+        },
+        polarStart: 0,
+        polarFinish: Math.PI,
+        azimuthStart: -Math.PI,
+        azimuthFinish: Math.PI,
+        emitAcceleration: {
+            x: 0,
+            y: 0,
+            z: 0
+        },
+        accelerationSpread: {
+            x: .00,
+            y: .00,
+            z: .00
+        },
+        particleRadius: 0.02,
+        radiusSpread: 0,
+        radiusStart: 0.03,
+        radiusFinish: 0.0003,
+        alpha: 0,
+        alphaSpread: .5,
+        alphaStart: 0,
+        alphaFinish: 0.5,
+        textures: "https://hifi-public.s3.amazonaws.com/alan/Particles/Particle-Sprite-Smoke-1.png",
+        emitterShouldTrail: true
+    })
+
+
+
+    function cleanup() {
+        Entities.deleteEntity(arcBall);
+        Entities.deleteEntity(containerBall);
+        Entities.deleteEntity(light);
+    }
+
+    this.cleanup = cleanup;
+}

examples/flowArts/arcBall/arcBallEntityScript.js

@@ -0,0 +1,45 @@
+//  arcBallEntityScript.js
+//  
+//  Script Type: Entity
+//  Created by Eric Levin on 12/17/15.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  This entity script handles the logic for the arcBall rave toy
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+(function() {
+    Script.include("../../libraries/utils.js");
+    var _this;
+    var ArcBall = function() {
+        _this = this;
+    };
+
+    ArcBall.prototype = {
+        isGrabbed: false,
+        startNearGrab: function() {
+            //Search for nearby balls and create an arc to it if one is found
+            var position = Entities.getEntityProperties(this.entityID, "position").position
+            var entities = Entities.findEntities(position, 10);
+            entities.forEach(function(entity) {
+                var props = Entities.getEntityProperties(entity, ["position", "name"]);
+                if (props.name === "Arc Ball" && JSON.stringify(_this.entityID) !== JSON.stringify(entity)) {
+                    print ("WE FOUND ANOTHER ARC BALL");
+                }
+            })
+
+        },
+
+        continueNearGrab: function() {
+        },
+
+        releaseGrab: function() {
+        },
+
+        preload: function(entityID) {
+            this.entityID = entityID;
+        },
+    };
+    return new ArcBall();
+});

examples/flowArts/flowArtsHutSpawner.js

@@ -17,6 +17,7 @@ Script.include("../../libraries/utils.js");
 Script.include("lightBall/LightBall.js");
 Script.include("raveStick/RaveStick.js");
 Script.include("lightSaber/LightSaber.js");
+Script.include("arcBall/ArcBall.js");
 
 
 
@@ -24,7 +25,10 @@ var basePosition = Vec3.sum(MyAvatar.position, Vec3.multiply(1, Quat.getFront(Ca
 basePosition.y = MyAvatar.position.y + 1;
 
 // RAVE ITEMS
-var lightBall = new LightBall(basePosition);
+//var lightBall = new LightBall(basePosition);
+
+var arcBall = new ArcBall(basePosition);
+var arcBall2 = new ArcBall(Vec3.sum(basePosition, {x: -1, y: 0, z: 0}));
 var raveStick = new RaveStick(Vec3.sum(basePosition, {x: 1, y: 0.5, z: 1}));
 var lightSaber = new LightSaber(Vec3.sum(basePosition, {x: 3, y: 0.5, z: 1}));
 
@@ -77,7 +81,8 @@ function cleanup() {
     Entities.deleteEntity(raveRoom);
     Entities.deleteEntity(lightZone)
     Entities.deleteEntity(floor);
-    lightBall.cleanup();
+    arcBall.cleanup();
+    arcBall2.cleanup();
     raveStick.cleanup();
     lightSaber.cleanup();
 }

examples/flowArts/lightBall/lightBall.js

@@ -42,11 +42,11 @@ LightBall = function(spawnPosition) {
             blue: 150
         },
         collisionsWillMove: true,
-        gravity: {
-            x: 0,
-            y: -0.5,
-            z: 0
-        },
+        // gravity: {
+        //     x: 0,
+        //     y: -0.5,
+        //     z: 0
+        // },
         userData: JSON.stringify({
             grabbableKey: {
                 spatialKey: {