Adds types for Parametric - #297

types/components/meshes/Parametric.d.ts

@@ -0,0 +1,61 @@
+import {
+ MeshComponent,
+ MeshComponentParams
+} from '../../core/MeshComponent';
+
+import {
+ Mesh,
+ ParametricBufferGeometry,
+ ParametricGeometry,
+} from 'three';
+
+interface ParametricParams extends MeshComponentParams {
+
+ /** Geometry parameters */
+ geometry?: {
+
+ /**
+ * A function that takes in a u and v value each between 0 and 1 and returns a Vector3
+ * Default is (u, v) => new Vector3(u, v, 0)
+ */
+ func?: Function;
+ /**
+ * 
+ * Default is 10.
+ */
+ slices?: number;
+
+ /**
+ * 
+ * Default is 10.
+ */
+ stacks?: number;
+ };
+
+ /** 
+ * Sets whether to build a buffered geometry
+ * Default is false.
+ */
+ buffer?: boolean;
+}
+
+ export class Parametric extends MeshComponent {
+
+ /**
+ * @constructor Creates a Parametric
+ * @param params parameters
+ */
+ constructor(params?: ParametricParams);
+
+ /**
+ * Build lifecycle creates a mesh using input params.
+ * @param params 
+ */
+ build(params?: ParametricParams): Mesh;
+
+ /**
+ * Builds the geometry
+ * @param params 
+ */
+ buildGeometry(params?: ParametricParams): ParametricGeometry | ParametricBufferGeometry;
+}

types/components/meshes/index.d.ts

@@ -9,6 +9,7 @@ export * from './Importer';
 export * from './Lathe';
 export * from './Line';
 export * from './Octahedron';
+export * from './Parametric';
 export * from './Sphere';
 export * from './Text';
 export * from './Tetrahedron';

types/whs-tests.ts

@@ -30,6 +30,7 @@ import {
  Lathe,
  Line,
  Octahedron,
+ Parametric,
  OrthographicCamera,
  PerspectiveCamera,
  Sphere
@@ -219,6 +220,21 @@ const octahedron = new Octahedron({
 });
 octahedron.addTo(app);
 
+const createParametric = (u, v) => {
+ return new Vector3(u * 30, Math.random() * 5, v * 30);
+};
+
+const parametric = new Parametric({
+ geometry: {
+ func: createParametric,
+ slices: 5,
+ stacks: 8
+ },
+
+ buffer: true
+});
+parametric.addTo(app);
+
 // Cameras
 
 const cubeCamera = new CubeCamera({