lillypond

examples/flowArts/droplets.js

@@ -0,0 +1,107 @@
+  Script.include("../libraries/utils.js");
+
+  var orientation = Camera.getOrientation();
+  orientation = Quat.safeEulerAngles(orientation);
+  orientation.x = 0;
+  orientation = Quat.fromVec3Degrees(orientation);
+  var center = Vec3.sum(MyAvatar.position, Vec3.multiply(3, Quat.getFront(orientation)));
+ 
+  var emitters = [];
+var spheres = []
+
+createNodes();
+
+function createNodes() {
+    var numNodes = 10;
+    for (var i = 0; i < numNodes; i++) {
+        var position = Vec3.sum(center, {x: randFloat(0, 3), y: 0, z: randFloat(0, 3)});
+        createNode(position)
+    }
+}
+createNode(center);
+
+function createNode(position) {
+     var sphereDimensions = {
+      x: 0.8,
+      y: 0.1,
+      z: 0.8
+  };
+  var sphere = Entities.addEntity({
+      type: "Sphere",
+      name: "ParticlesTest Sphere",
+      position: position,
+      dimensions: sphereDimensions,
+      color: {
+          red: 128,
+          green: 128,
+          blue: 128
+      },
+      lifetime: 3600, // 1 hour; just in case,
+      collisionsWillMove: true
+  });
+  spheres.push(sphere);
+
+  var props = {
+      "type": "ParticleEffect",
+      "position": position,
+      parentID: sphere,
+      "isEmitting": true,
+      "maxParticles": 1000,
+      "lifespan": 5,
+      "emitRate": 1000,
+      "emitSpeed": 0.025,
+      "speedSpread": 0,
+      "emitDimensions": {x: 2, y: 2, z: .1},
+      "emitRadiusStart": 1,
+      "polarStart": 0,
+      "polarFinish": 1.570796012878418,
+      "azimuthStart": -3.1415927410125732,
+      "azimuthFinish": 3.1415927410125732,
+      "emitAcceleration": {
+          "x": 0,
+          "y": 0,
+          "z": 0
+      },
+      "particleRadius": 0.04,
+      "radiusSpread": 0,
+      "radiusStart": 0.04,
+      radiusFinish: 0.04,
+      "colorStart": {
+          "red": 0,
+          "green": 0,
+          "blue": 255
+      },
+      color: {
+        red: 10, green: 10, blue: 200
+      },
+      "colorFinish": {
+          "red": 200,
+          "green":200,
+          "blue": 255
+      },
+      "alpha": 1,
+      "alphaSpread": 0,
+      "alphaStart": 0,
+      "alphaFinish": 0,
+      "emitterShouldTrail": true,
+      "textures": "https://hifi-public.s3.amazonaws.com/alan/Particles/Particle-Sprite-Smoke-1.png"
+  }
+
+  var oceanEmitter = Entities.addEntity(props);
+  emitters.push(oceanEmitter);
+}
+
+
+
+
+  function cleanup() {
+    emitters.forEach(function(emitter) {
+      Entities.deleteEntity(emitter);
+        
+    })
+    spheres.forEach(function(sphere) {
+        Entities.deleteEntity(sphere);
+    })
+  }
+
+  Script.scriptEnding.connect(cleanup);