modelOverlayScaleTest.js

var spawnPoint = Vec3.sum(MyAvatar.position, Vec3.multiply(4.0, Quat.getFront(Camera.getOrientation())));
var right = Vec3.cross(Quat.getFront(Camera.getOrientation()), Quat.getUp(Camera.getOrientation()));
spawnPoint = Vec3.sum(spawnPoint, Vec3.multiply(-1, right));

var MODEL_URL = "https://s3.amazonaws.com/hifi-public/tony/axes.fbx";

var overlays = [];

// this model should be 1/10th a meter tall, very small
overlays.push(Overlays.addOverlay("model", {
    url: MODEL_URL,
    position: spawnPoint,
    rotation: Camera.getOrientation()
}));

// this model should be 1 meter tall
spawnPoint = Vec3.sum(spawnPoint, right);
overlays.push(Overlays.addOverlay("model", {
    url: MODEL_URL,
    position: spawnPoint,
    rotation: Camera.getOrientation(),
    scale: 10
}));

// this model should also be 1 meter tall
spawnPoint = Vec3.sum(spawnPoint, right);
overlays.push(Overlays.addOverlay("model", {
    url: MODEL_URL,
    position: spawnPoint,
    rotation: Camera.getOrientation(),
    dimensions: 1
}));

// this model should also be 1 meter tall
spawnPoint = Vec3.sum(spawnPoint, right);
overlays.push(Overlays.addOverlay("model", {
    url: MODEL_URL,
    position: spawnPoint,
    rotation: Camera.getOrientation(),
    scale: 2,
    dimensions: 0.5
}));

Script.scriptEnding.connect(function () {
    overlays.forEach(function (overlay) {
        Overlays.deleteOverlay(overlay);
    });
});