#20397 initial version of script

examples/example/entities/makeHouses.js

@@ -0,0 +1,146 @@
+//
+// makeHouses.js
+//
+//
+// Created by Stojce Slavkovski on March 14, 2015
+// Copyright 2015 High Fidelity, Inc.
+//
+// This sample script that creates house entities based on parameters.
+//
+// Distributed under the Apache License, Version 2.0.
+// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+(function () {
+
+    /** options **/
+    var numHouses = 100;
+    var xRange = 300;
+    var yRange = 300;
+
+    var sizeOfTheHouse = {
+        x: 10,
+        y: 10,
+        z: 10
+    };
+    /**/
+
+    var modelUrl = "http://localhost/~stojce/models/3-Buildings-2-SanFranciscoHouse-";
+    var modelurlExt = ".fbx";
+    var modelVariations = 90;
+    var houses = [];
+
+    function addHouseAt(position, rotation) {
+        // get random house model
+        var modelNumber = 1 + Math.floor(Math.random() * (modelVariations - 1));
+        var modUrl = modelUrl + modelNumber + modelurlExt;
+        print("Model ID:" + modelNumber);
+
+        var properties = {
+            type: "Model",
+            position: position,
+            rotation: rotation,
+            dimensions: sizeOfTheHouse,
+            modelURL: modUrl
+        };
+
+        return Entities.addEntity(properties);
+    }
+
+    // calculate initial position
+    var posX = MyAvatar.position.x - (xRange / 2);
+    var measures = calculateParcels(numHouses, xRange, yRange);
+    var dd = 0;
+
+    // avatar facing rotation
+    var rotEven = Quat.fromPitchYawRollDegrees(0, 270.0 + MyAvatar.bodyYaw, 0.0);
+
+    // avatar opposite rotation
+    var rotOdd = Quat.fromPitchYawRollDegrees(0, 90.0 + MyAvatar.bodyYaw, 0.0);
+    var housePos = Vec3.sum(MyAvatar.position, Quat.getFront(Camera.getOrientation()));
+
+    for (var j = 0; j < measures.rows; j++) {
+
+        var posX1 = 0 - (xRange / 2);
+        dd += measures.parcelLength;
+
+        for (var i = 0; i < measures.cols; i++) {
+
+            // skip reminder of houses
+            if (houses.length > numHouses) {
+                break;
+            }
+
+            var posShift = {
+                x: posX1,
+                y: 0,
+                z: dd
+            };
+
+            print("House nr.:" + houses.length + 1);
+            houses.push(
+                addHouseAt(Vec3.sum(housePos, posShift), (j % 2 == 0) ? rotEven : rotOdd)
+            );
+            posX1 += measures.parcelWidth;
+        }
+    }
+
+    // calculate rows and columns in area, and dimension of single parcel
+    function calculateParcels(items, areaWidth, areaLength) {
+
+        var idealSize = Math.min(Math.sqrt(areaWidth * areaLength / items), areaWidth, areaLength);
+
+        var baseWidth = Math.min(Math.floor(areaWidth / idealSize), items);
+        var baseLength = Math.min(Math.floor(areaLength / idealSize), items);
+
+        var sirRows = baseWidth;
+        var sirCols = Math.ceil(items / sirRows);
+        var sirW = areaWidth / sirRows;
+        var sirL = areaLength / sirCols;
+
+        var visCols = baseLength;
+        var visRows = Math.ceil(items / visCols);
+        var visW = areaWidth / visRows;
+        var visL = areaLength / visCols;
+
+        var rows = 0;
+        var cols = 0;
+        var parcelWidth = 0;
+        var parcelLength = 0;
+
+        if (Math.min(sirW, sirL) > Math.min(visW, visL)) {
+            rows = sirRows;
+            cols = sirCols;
+            parcelWidth = sirW;
+            parcelLength = sirL;
+        } else {
+            rows = visRows;
+            cols = visCols;
+            parcelWidth = visW;
+            parcelLength = visL;
+        }
+
+        print("rows:" + rows);
+        print("cols:" + cols);
+        print("parcelWidth:" + parcelWidth);
+        print("parcelLength:" + parcelLength);
+
+        return {
+            rows: rows,
+            cols: cols,
+            parcelWidth: parcelWidth,
+            parcelLength: parcelLength
+        };
+    }
+
+    function cleanup() {
+        while (houses.length > 0) {
+            if (!houses[0].isKnownID) {
+                houses[0] = Entities.identifyEntity(houses[0]);
+            }
+            Entities.deleteEntity(houses.shift());
+        }
+    }
+
+    Script.scriptEnding.connect(cleanup);
+})();