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Add shapeCloud and some documentation.
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| import { Scene } from "@babylonjs/core/scene"; | ||
| import "@babylonjs/core/Meshes/thinInstanceMesh"; | ||
| import { Plot, LegendData } from "./babyplots"; | ||
| export declare class ShapeCloud extends Plot { | ||
| private _shape; | ||
| private _shading; | ||
| constructor(scene: Scene, coordinates: number[][], colorVar: string[], shape: string, shading: boolean, size: number, legendData: LegendData, xScale?: number, yScale?: number, zScale?: number); | ||
| private _createShapeCloud; | ||
| } |
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| /** | ||
| * Babyplots - Easy, fast, interactive 3D visualizations | ||
| * | ||
| * Copyright (c) 2020, Nils Jonathan Trost. All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
||
| import { Scene } from "@babylonjs/core/scene"; | ||
| import { Mesh } from "@babylonjs/core/Meshes/mesh"; | ||
| import "@babylonjs/core/Meshes/thinInstanceMesh"; | ||
| import { SphereBuilder } from "@babylonjs/core/Meshes/Builders/sphereBuilder"; | ||
| import { BoxBuilder } from "@babylonjs/core/Meshes/Builders/boxBuilder"; | ||
| import { TorusBuilder } from "@babylonjs/core/Meshes/Builders/torusBuilder"; | ||
| import { CylinderBuilder } from "@babylonjs/core/Meshes/Builders/cylinderBuilder"; | ||
| import { Color3, Color4, Matrix } from "@babylonjs/core/Maths/math"; | ||
| import { StandardMaterial } from "@babylonjs/core/Materials/standardMaterial"; | ||
| import { Plot, LegendData } from "./babyplots"; | ||
|
|
||
| export class ShapeCloud extends Plot { | ||
| private _shape: string; | ||
| private _shading: boolean; | ||
| constructor( | ||
| scene: Scene, | ||
| coordinates: number[][], | ||
| colorVar: string[], | ||
| shape: string, | ||
| shading: boolean, | ||
| size: number, | ||
| legendData: LegendData, | ||
| xScale: number = 1, | ||
| yScale: number = 1, | ||
| zScale: number = 1 | ||
| ) { | ||
| super(scene, coordinates, colorVar, size * 0.1, legendData, xScale, yScale, zScale); | ||
| this._shape = shape; | ||
| this._shading = shading; | ||
| this._createShapeCloud(); | ||
| } | ||
| /** | ||
| * Creates shapes at coordinates | ||
| */ | ||
| private _createShapeCloud(): void { | ||
| let instanceCount = this._coords.length; | ||
|
|
||
| let matricesData = new Float32Array(16 * instanceCount); | ||
| let colorData = new Float32Array(4 * instanceCount); | ||
|
|
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| // set position and color data for shapes | ||
| for (let i = 0; i < instanceCount; i++) { | ||
| let matrix = Matrix.Translation( | ||
| this._coords[i][0] * this.xScale, | ||
| this._coords[i][1] * this.zScale, | ||
| this._coords[i][2] * this.yScale | ||
| ); | ||
|
|
||
| matrix.copyToArray(matricesData, i * 16); | ||
|
|
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| let col = Color4.FromHexString(this._coordColors[i]); | ||
|
|
||
| colorData.set(col.asArray(), i * 4); | ||
| } | ||
|
|
||
| let origMesh: Mesh; | ||
|
|
||
| switch (this._shape) { | ||
| case "box": | ||
| origMesh = BoxBuilder.CreateBox("root", { size: this._size }); | ||
| break; | ||
| case "sphere": | ||
| origMesh = SphereBuilder.CreateSphere("root", { diameter: this._size }); | ||
| break; | ||
| case "cone": | ||
| origMesh = CylinderBuilder.CreateCylinder("root", { height: this._size, diameterBottom: this._size, diameterTop: 0 }, this._scene); | ||
| break; | ||
| case "torus": | ||
| origMesh = TorusBuilder.CreateTorus("root", { diameter: this._size, thickness: this._size * 0.5 }, this._scene); | ||
| break; | ||
| case "cylinder": | ||
| origMesh = CylinderBuilder.CreateCylinder("root", { height: this._size, diameter: this._size }, this._scene); | ||
| break; | ||
| default: | ||
| origMesh = BoxBuilder.CreateBox("root", { size: 1 }); | ||
| break; | ||
| } | ||
|
|
||
| origMesh.thinInstanceSetBuffer("matrix", matricesData, 16, true); | ||
| origMesh.thinInstanceSetBuffer("color", colorData, 4, true); | ||
|
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| let mat = new StandardMaterial("shapeMat", this._scene); | ||
| if (!this._shading) { | ||
| mat.disableLighting = true; | ||
| mat.emissiveColor = Color3.White(); | ||
| } | ||
| origMesh.material = mat; | ||
|
|
||
| this.mesh = origMesh; | ||
| Object.defineProperty(this, "alpha", { | ||
| set(newAlpha) { | ||
| this.mesh.material.alpha = newAlpha; | ||
| } | ||
| }); | ||
| } | ||
| } |
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