提交 8e176e83 编写于 作者: M Mugen87

ConvexGeometry: Clean up

上级 2ddb73b2
......@@ -100,7 +100,6 @@ export { QuaternionLinearInterpolant } from './math/interpolants/QuaternionLinea
export { LinearInterpolant } from './math/interpolants/LinearInterpolant.js';
export { DiscreteInterpolant } from './math/interpolants/DiscreteInterpolant.js';
export { CubicInterpolant } from './math/interpolants/CubicInterpolant.js';
export { QuickHull3 } from './math/convexhull/QuickHull3.js';
export { Interpolant } from './math/Interpolant.js';
export { Triangle } from './math/Triangle.js';
export { _Math as Math } from './math/Math.js';
......
/**
* @author Mugen87 / https://github.com/Mugen87
*/
import { Geometry } from '../core/Geometry';
import { BufferGeometry } from '../core/BufferGeometry';
import { Float32BufferAttribute } from '../core/BufferAttribute';
import { QuickHull3 } from '../math/convexhull/QuickHull3';
function ConvexGeometry( points ) {
Geometry.call( this );
this.type = 'ConvexGeometry';
this.fromBufferGeometry( new ConvexBufferGeometry( points ) );
this.mergeVertices();
}
ConvexGeometry.prototype = Object.create( Geometry.prototype );
ConvexGeometry.prototype.constructor = ConvexGeometry;
function ConvexBufferGeometry( points ) {
BufferGeometry.call( this );
this.type = 'ConvexBufferGeometry';
// buffers
var vertices = [];
var normals = [];
// execute QuickHull
var quickHull = new THREE.QuickHull3().setFromPoints( points );
// generate vertices and normals
var faces = quickHull.faces;
for ( var i = 0; i < faces.length; i ++ ) {
var face = faces[ i ];
var edge = face.edge;
// we move along a doubly-connected edge list to access all face points (see HalfEdge docs)
do {
var point = edge.head().point;
vertices.push( point.x, point.y, point.z );
normals.push( face.normal.x, face.normal.y, face.normal.z );
edge = edge.next;
} while ( edge !== face.edge );
}
// build geometry
this.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
this.addAttribute( 'normal', new THREE.Float32BufferAttribute( normals, 3 ) );
}
ConvexBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
ConvexBufferGeometry.prototype.constructor = ConvexBufferGeometry;
export { ConvexGeometry, ConvexBufferGeometry };
......@@ -20,4 +20,3 @@ export { ConeGeometry, ConeBufferGeometry } from './ConeGeometry.js';
export { CylinderGeometry, CylinderBufferGeometry } from './CylinderGeometry.js';
export { CircleGeometry, CircleBufferGeometry } from './CircleGeometry.js';
export { BoxGeometry, BoxBufferGeometry } from './BoxGeometry.js';
export { ConvexGeometry, ConvexBufferGeometry } from './ConvexGeometry.js';
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册