xeokit-viewer
Version:
BIM viewer built on xeokit and Bootstrap
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JavaScript
import {Plugin} from "../../viewer/Plugin.js";
import {Scene} from "../../viewer/scene/scene/Scene.js";
import {AmbientLight} from "../../viewer/scene/lights/AmbientLight.js";
import {DirLight} from "../../viewer/scene/lights/DirLight.js";
import {Mesh} from "../../viewer/scene/mesh/Mesh.js";
import {ReadableGeometry} from "../../viewer/scene/geometry/ReadableGeometry.js";
import {buildCylinderGeometry} from "../../viewer/scene/geometry/builders/buildCylinderGeometry.js";
import {buildSphereGeometry} from "../../viewer/scene/geometry/builders/buildSphereGeometry.js";
import {buildVectorTextGeometry} from "../../viewer/scene/geometry/builders/buildVectorTextGeometry.js";
import {PhongMaterial} from "../../viewer/scene/materials/PhongMaterial.js";
import {math} from "../../viewer/scene/math/math.js";
/**
* {@link Viewer} plugin that shows the axii of the World-space coordinate system.
*
* ## Usage
*
* [[Run this example](https://xeokit.github.io/xeokit-sdk/examples/#gizmos_AxisGizmoPlugin)]
*
* ````JavaScript````
* import {Viewer} from "../src/viewer/Viewer.js";
* import {GLTFLoaderPlugin} from "../src/plugins/GLTFLoaderPlugin/GLTFLoaderPlugin.js";
* import {AxisGizmoPlugin} from "../src/plugins/AxisGizmoPlugin/AxisGizmoPlugin.js";
*
* const viewer = new Viewer({
* canvasId: "myCanvas"
* });
*
* const gltfLoader = new GLTFLoaderPlugin(viewer);
*
* new AxisGizmoPlugin(viewer, {size: [250, 250]});
*
* const model = gltfLoader.load({
* id: "myModel",
* src: "./models/gltf/schependomlaan/scene.gltf",
* metaModelSrc: "./metaModels/schependomlaan/metaModel.json",
* edges: true
* });
*
* const scene = viewer.scene;
* const camera = scene.camera;
*
* camera.orbitPitch(20);
*
* model.on("loaded", () => {
* viewer.cameraFlight.jumpTo(modelNode);
* scene.on("tick", () => {
* camera.orbitYaw(0.4);
* })
* });
* ````
*/
class AxisGizmoPlugin extends Plugin {
/**
* @constructor
* @param {Viewer} viewer The Viewer.
* @param {Object} cfg Plugin configuration.
* @param {String} [cfg.id="AxisGizmo"] Optional ID for this plugin, so that we can find it within {@link Viewer#plugins}.
* @param {Number[]} [cfg.size=[250,250]] Initial size in pixels.
*/
constructor(viewer, cfg) {
cfg = cfg || {};
super("AxisGizmo", viewer, cfg);
var camera = viewer.scene.camera;
var size = cfg.size || [250, 250];
var canvas = camera.scene.canvas;
// Create canvas for this gizmo
var canvasId = "xeokit-axisHelper-canvas-" + math.createUUID();
var body = document.getElementsByTagName("body")[0];
var div = document.createElement('div');
var style = div.style;
style.height = size[0] + "px";
style.width = size[1] + "px";
style.padding = "0";
style.margin = "0";
style.float = "left";
style.left = "410px";
style.bottom = "350px";
style.position = "absolute";
style["z-index"] = "1000000";
// style["background-color"] = "rgba(0,0,0,0.3)";
div.innerHTML += '<canvas id="' + canvasId + '" style="width: ' + size[0] + 'px; height: ' + size[1] + 'px; float: left; margin: 0; padding: 0;"></canvas>';
body.appendChild(div);
canvas.on("boundary",
function (boundary) {
style.left = boundary[0] + 10 + "px";
style.bottom = (boundary[0] + 20) + "px";
});
// The scene containing this helper
var scene = new Scene({
canvasId: canvasId,
transparent: true
});
// Custom lights
scene.clearLights();
new AmbientLight(scene, {
color: [0.45, 0.45, 0.5],
intensity: 0.9
});
new DirLight(scene, {
dir: [-0.5, 0.5, -0.6],
color: [0.8, 0.8, 0.7],
intensity: 1.0,
space: "view"
});
new DirLight(scene, {
dir: [0.5, -0.5, -0.6],
color: [0.8, 0.8, 0.8],
intensity: 1.0,
space: "view"
});
// Rotate helper in synch with target camera
var helperCamera = scene.camera;
camera.on("matrix", function () {
var eye = camera.eye;
var look = camera.look;
var up = camera.up;
var eyeLook = math.mulVec3Scalar(math.normalizeVec3(math.subVec3(eye, look, [])), 22);
helperCamera.look = [0, 0, 0];
helperCamera.eye = eyeLook;
helperCamera.up = up;
});
// ----------------- Components that are shared among more than one mesh ---------------
var arrowHead = new ReadableGeometry(scene, buildCylinderGeometry({
radiusTop: 0.01,
radiusBottom: 0.6,
height: 1.7,
radialSegments: 20,
heightSegments: 1,
openEnded: false
}));
var arrowShaft = new ReadableGeometry(scene, buildCylinderGeometry({
radiusTop: 0.2,
radiusBottom: 0.2,
height: 4.5,
radialSegments: 20,
heightSegments: 1,
openEnded: false
}));
var xAxisMaterial = new PhongMaterial(scene, { // Red by convention
diffuse: [1, 0.3, 0.3],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
var xAxisLabelMaterial = new PhongMaterial(scene, { // Red by convention
emissive: [1, 0.3, 0.3],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
var yAxisMaterial = new PhongMaterial(scene, { // Green by convention
diffuse: [0.3, 1, 0.3],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
var yAxisLabelMaterial = new PhongMaterial(scene, { // Green by convention
emissive: [0.3, 1, 0.3],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
var zAxisMaterial = new PhongMaterial(scene, { // Blue by convention
diffuse: [0.3, 0.3, 1],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
var zAxisLabelMaterial = new PhongMaterial(scene, {
emissive: [0.3, 0.3, 1],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
var ballMaterial = new PhongMaterial(scene, {
diffuse: [0.5, 0.5, 0.5],
ambient: [0.0, 0.0, 0.0],
specular: [.6, .6, .3],
shininess: 80,
lineWidth: 2
});
// ----------------- Meshes ------------------------------
this._meshes = [
// Sphere behind gnomon
new Mesh(scene, {
geometry: new ReadableGeometry(scene, buildSphereGeometry({
radius: 9.0,
heightSegments: 60,
widthSegments: 60
})),
material: new PhongMaterial(scene, {
diffuse: [0.0, 0.0, 0.0],
emissive: [0.1, 0.1, 0.1],
ambient: [0.1, 0.1, 0.2],
specular: [0, 0, 0],
alpha: 0.4,
alphaMode: "blend",
frontface: "cw"
}),
pickable: false,
collidable: false,
visible: cfg.visible !== false
}),
// Ball at center of axis
new Mesh(scene, { // Arrow
geometry: new ReadableGeometry(scene, buildSphereGeometry({
radius: 1.0
})),
material: ballMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false
}),
// X-axis arrow, shaft and label
new Mesh(scene, { // Arrow
geometry: arrowHead,
material: xAxisMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [-5, 0, 0],
rotation: [0, 0, 90]
}),
new Mesh(scene, { // Shaft
geometry: arrowShaft,
material: xAxisMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [-2, 0, 0],
rotation: [0, 0, 90]
}),
new Mesh(scene, { // Label
geometry: new ReadableGeometry(scene, buildVectorTextGeometry({text: "X", size: 1.5})),
material: xAxisLabelMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [-7, 0, 0],
billboard: "spherical"
}),
// Y-axis arrow, shaft and label
new Mesh(scene, { // Arrow
geometry: arrowHead,
material: yAxisMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [0, 5, 0]
}),
new Mesh(scene, { // Shaft
geometry: arrowShaft,
material: yAxisMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [0, 2, 0]
}),
new Mesh(scene, { // Label
geometry: new ReadableGeometry(scene, buildVectorTextGeometry({text: "Y", size: 1.5})),
material: yAxisLabelMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [0, 7, 0],
billboard: "spherical"
}),
// Z-axis arrow, shaft and label
new Mesh(scene, { // Arrow
geometry: arrowHead,
material: zAxisMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [0, 0, 5],
rotation: [90, 0, 0]
}),
new Mesh(scene, { // Shaft
geometry: arrowShaft,
material: zAxisMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [0, 0, 2],
rotation: [90, 0, 0]
}),
new Mesh(scene, { // Label
geometry: new ReadableGeometry(scene, buildVectorTextGeometry({text: "Z", size: 1.5})),
material: zAxisLabelMaterial,
pickable: false,
collidable: false,
visible: cfg.visible !== false,
position: [0, 0, 7],
billboard: "spherical"
})
];
}
/** Shows or hides this helper
*
* @param visible
*/
setVisible(visible) {
for (var i = 0; i < this._meshes.length; i++) {
this._meshes[i].visible = visible;
}
}
/**
* Destroys this AxisGizmoPlugin.
*/
destroy() {
super.destroy();
}
}
export {AxisGizmoPlugin}