LineAlphaTest.js

"use strict";

//  LineAlphaTest.js
//
//  Created by Sam Gondelman on 9/22/2017
//  Copyright 2017 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
//

(function() { // BEGIN LOCAL_SCOPE

var lines = []

var NUM_LINES = 100.0;
for (var i = 0; i < NUM_LINES; i++) {
    lines.push(Overlays.addOverlay("line3d", {
                    start: Vec3.sum(Vec3.sum(Vec3.sum(MyAvatar.position, Vec3.multiply(4.0, Vec3.FRONT)), Vec3.multiply(-0.5, Vec3.RIGHT)), Vec3.multiply(i * 0.01, Vec3.UP)),
                    end: Vec3.sum(Vec3.sum(Vec3.sum(MyAvatar.position, Vec3.multiply(4.0, Vec3.FRONT)), Vec3.multiply(0.5, Vec3.RIGHT)), Vec3.multiply(i * 0.01, Vec3.UP)),
                    color: {red: 255, green: 0, blue: 0},
                    visible: true,
                    alpha: i / NUM_LINES,
                    solid: true,
                    glow: 1.0
                }
    ));
}

function cleanup() {
    for (var i = 0; i < NUM_LINES; i++) {
        Overlays.deleteOverlay(lines[i]);
    }
}

Script.scriptEnding.connect(cleanup);
}()); // END LOCAL_SCOPE