Add launcher to tower defense

unpublishedScripts/tower-defense/createLauncher.js

@@ -0,0 +1,35 @@
+function findSurfaceBelowPosition(pos) {
+    var result = Entities.findRayIntersection({
+        origin: pos,
+        direction: { x: 0, y: -1, z: 0 }
+    });
+    if (result.intersects) {
+        return result.intersection;
+    }
+    return pos;
+}
+LAUNCHER_DIMENSIONS = {
+    x: 0.5,
+    y: 0.5,
+    z: 0.5
+}
+
+createLauncherAtMyAvatar = function() {
+    var launcherPos = Vec3.sum(MyAvatar.position, Vec3.multiply(10, Quat.getFront(MyAvatar.orientation)));
+    launcherPos = findSurfaceBelowPosition(launcherPos);
+    launcherPos.y += LAUNCHER_DIMENSIONS.y / 2;
+    createLaucnher(launcherPos);
+}
+
+createLauncher = function(position) {
+    Entities.addEntity({
+        position: position,
+        type: "Model",
+        type: "Box",
+        //modelURL: 'http://hifi-content.s3.amazonaws.com/alan/dev/EZ-Tube.fbx',
+        //compoundShapeURL: 'http://hifi-content.s3.amazonaws.com/alan/dev/EZ-Tube3.obj',
+        //shapeType: 'compound'
+        dimensions: LAUNCHER_DIMENSIONS,
+        script: Script.resolvePath("launch.js")
+    });
+}

unpublishedScripts/tower-defense/launch.js

@@ -0,0 +1,79 @@
+//
+//  cylinderBlock.js
+//
+//  Created by David Rowe on 25 Oct 2016.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  This script displays a progress download indicator when downloads are in progress.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+(function () {
+
+    var BLOCK_MODEL_URL = Script.resolvePath("assets/block.fbx");
+    var BLOCK_DIMENSIONS = {
+        x: 1,
+        y: 1,
+        z: 1
+    };
+    var BLOCK_LIFETIME = 10;
+
+    var MUZZLE_SOUND_URL = Script.resolvePath("air_gun_1_converted.wav");
+    var MUZZLE_SOUND_VOLUME = 0.5;
+    var MUZZLE_SPEED = 6.0;  // m/s
+    var MUZZLE_ANGLE = 5.0;  // Degrees off-center to discourage blocks falling back inside cylinder.
+    var muzzleSound;
+
+    var cylinderID;
+
+    this.preload = function (entityID) {
+        print("launch.js | preload");
+        cylinderID = entityID;
+        muzzleSound = SoundCache.getSound(MUZZLE_SOUND_URL);
+    }
+
+    this.launchBlock = function () {
+        var cylinder = Entities.getEntityProperties(cylinderID, ["position", "rotation", "dimensions"]);
+        var muzzlePosition = Vec3.sum(cylinder.position,
+            Vec3.multiplyQbyV(cylinder.rotation, { x: 0.0, y: 0.5 * (cylinder.dimensions.y + BLOCK_DIMENSIONS.y), Z: 0.0 }));
+        var muzzleVelocity = Vec3.multiply(MUZZLE_SPEED, Vec3.UNIT_Y);
+        muzzleVelocity = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(MUZZLE_ANGLE, 0.0, 0.0), muzzleVelocity);
+        muzzleVelocity = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(0.0, Math.random() * 360.0, 0.0), muzzleVelocity);
+        muzzleVelocity = Vec3.multiplyQbyV(cylinder.rotation, muzzleVelocity);
+
+        Entities.addEntity({
+            type: "Model",
+            modelURL: BLOCK_MODEL_URL,
+            shapeType: "compound",
+            //compoundShapeURL: BLOCK_COMPOUND_SHAPE_URL,
+            dimensions: BLOCK_DIMENSIONS,
+            dynamic: 1,
+            gravity: { x: 0.0, y: -9.8, z: 0.0 },
+            collisionsWillMove: 1,
+            position: muzzlePosition,
+            rotation: Quat.multiply(cylinder.rotation, Quat.fromPitchYawRollDegrees(0.0, Math.random() * 360.0, 0.0)),
+            velocity: muzzleVelocity,
+            lifetime: BLOCK_LIFETIME
+        });
+
+        Audio.playSound(muzzleSound, {
+            position: cylinder.muzzlePosition,
+            orientation: cylinder.rotation,
+            volume: MUZZLE_SOUND_VOLUME
+        });
+    }
+
+    this.clickDownOnEntity = function () {
+        this.launchBlock();
+    }
+    
+    this.startNearTrigger = function () {
+        this.launchBlock();
+    }
+
+    this.startFarTrigger = function () {
+        this.launchBlock();
+    }
+})