/**
TODO
## Overview
TODO
## Example
#### Creating a triangle mesh Geometry
<iframe style="width: 600px; height: 400px" src="../../examples/geometry_Geometry.html">Run this example</iframe>
````javascript
// Create a Viewer
var viewer = new BIMSURFER.Viewer({ element: "myDiv" });
// Create a Camera
var camera = new BIMSURFER.Camera(viewer, {
eye: [0, 0, -10]
});
// Create a CameraControl to interact with the Camera
var cameraControl = new BIMSURFER.CameraControl(viewer, {
camera: camera
});
// Create a triangle mesh Geometry
var geometry = new BIMSURFER.Geometry(viewer, {
primitive: "triangles",
positions: [
5, 5, 5, -5, 5, 5, -5, -5, 5, 5, -5, 5, // v0-v1-v2-v3 front
5, 5, 5, 5, -5, 5, 5, -5, -5, 5, 5, -5, // v0-v3-v4-v5 right
5, 5, 5, 5, 5, -5, -5, 5, -5, -5, 5, 5, // v0-v5-v6-v1 top
-5, 5, 5, -5, 5, -5, -5, -5, -5, -5, -5, 5, // v1-v6-v7-v2 left
-5, -5, -5, 5, -5, -5, 5, -5, 5, -5, -5, 5, // v7-v4-v3-v2 bottom
5, -5, -5, -5, -5, -5, -5, 5, -5, 5, 5, -5 // v4-v7-v6-v5 back
],
normals: [
0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, // v0-v1-v2-v3 front
1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, // v0-v3-v4-v5 right
0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, // v0-v5-v6-v1 top
-1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, // v1-v6-v7-v2 left
0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, // v7-v4-v3-v2 bottom
0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1 // v4-v7-v6-v5 back
],
indices: [
0, 1, 2, 0, 2, 3, // back
4, 5, 6, 4, 6, 7, // front
8, 9, 10, 8, 10, 11, // right
12, 13, 14, 12, 14, 15, // top
16, 17, 18, 16, 18, 19, // left
20, 21, 22, 20, 22, 23 // bottom
]
});
// Create an Object that uses our Geometry
// Note that an Object can have multiple Geometries
new BIMSURFER.BoxObject(viewer, {
id: "foo",
type: "IfcWall",
geometries: [ geometry ]
});
````
@class Geometry
@module BIMSURFER
@submodule geometry
@constructor
@param [viewer] {Viewer} Parent {{#crossLink "Viewer"}}{{/crossLink}}.
@param [cfg] {*} Configs
@param [cfg.id] {String} Optional ID, unique among all components in the parent viewer, generated automatically when omitted.
@param [cfg.meta] {String:Object} Optional map of user-defined metadata to attach to this BoxGeometry.
@param [cfg.primitive="triangles"] {String} The primitive type. Accepted values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'.
@param [cfg.positions] {Array of Number} Positions array.
@param [cfg.normals] {Array of Number} Normals array.
@param [cfg.uv] {Array of Number} UVs array.
@param [cfg.uv2] {Array of Number} Second UVs array, for a second UV level.
@param [cfg.colors] {Array of Number} Vertex colors.
@param [cfg.indices] {Array of Number} Indices array.
@extends Component
*/
(function () {
"use strict";
BIMSURFER.Geometry = BIMSURFER.Component.extend({
/**
JavaScript class name for this Component.
@property className
@type String
@final
*/
className: "BIMSURFER.Geometry",
_init: function (cfg) {
var libraryNode = this.viewer.scene.getNode("library");
if (cfg.positions && cfg.indices) {
this._geometryNode = libraryNode.addNode({
type: "geometry",
primitive: cfg.primitive || "triangles",
positions: cfg.positions,
normals: cfg.normals,
uv: cfg.uv,
indices: cfg.indices
});
} else {
// Default box geometry
this._geometryNode = libraryNode.addNode({
type: "geometry",
primitive: "triangles",
positions: [
5, 5, 5, -5, 5, 5, -5, -5, 5, 5, -5, 5, // v0-v1-v2-v3 front
5, 5, 5, 5, -5, 5, 5, -5, -5, 5, 5, -5, // v0-v3-v4-v5 right
5, 5, 5, 5, 5, -5, -5, 5, -5, -5, 5, 5, // v0-v5-v6-v1 top
-5, 5, 5, -5, 5, -5, -5, -5, -5, -5, -5, 5, // v1-v6-v7-v2 left
-5, -5, -5, 5, -5, -5, 5, -5, 5, -5, -5, 5, // v7-v4-v3-v2 bottom
5, -5, -5, -5, -5, -5, -5, 5, -5, 5, 5, -5 // v4-v7-v6-v5 back
],
normals: [
0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, // v0-v1-v2-v3 front
1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, // v0-v3-v4-v5 right
0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, // v0-v5-v6-v1 top
-1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, // v1-v6-v7-v2 left
0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, // v7-v4-v3-v2 bottom
0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1 // v4-v7-v6-v5 back
],
uv: [
5, 5, 0, 5, 0, 0, 5, 0, // v0-v1-v2-v3 front
0, 5, 0, 0, 5, 0, 5, 5, // v0-v3-v4-v5 right
5, 0, 5, 5, 0, 5, 0, 0, // v0-v5-v6-v1 top
5, 5, 0, 5, 0, 0, 5, 0, // v1-v6-v7-v2 left
0, 0, 5, 0, 5, 5, 0, 5, // v7-v4-v3-v2 bottom
0, 0, 5, 0, 5, 5, 0, 5 // v4-v7-v6-v5 back
],
indices: [
0, 1, 2, 0, 2, 3, // back
4, 5, 6, 4, 6, 7, // front
8, 9, 10, 8, 10, 11, // right
12, 13, 14, 12, 14, 15, // top
16, 17, 18, 16, 18, 19, // left
20, 21, 22, 20, 22, 23 // bottom
]
});
}
this.coreId = this._geometryNode.getCoreId();
this.boundary = this._geometryNode.getBoundary();
},
_destroy: function () {
this._geometryNode.destroy();
}
});
})();
