67 lines
2.7 KiB
TypeScript
67 lines
2.7 KiB
TypeScript
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import * as THREE from 'three';
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import { Geometry, Vector, Vector2, Vector3 } from 'three';
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export declare const cZeroVec: THREE.Vector3;
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export declare const cXAxis: THREE.Vector3;
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export declare const cYAxis: THREE.Vector3;
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export declare const cZAxis: THREE.Vector3;
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/**
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* 旋转一个点,旋转中心在原点
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*
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* @export
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* @param {Vector3} pt 点
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* @param {number} ang 角度.
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* @returns {Vector3} 返回pt不拷贝.
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*/
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export declare function rotatePoint(pt: Vector3, ang: number): Vector3;
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export declare function equaln(v1: number, v2: number, fuzz?: number): boolean;
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export declare function equal<T extends Vector>(v1: T, v2: T): boolean;
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export declare function fixAngle(an: number, fixAngle: number, fuzz?: number): number;
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/**
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* 按照极坐标的方式移动一个点
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*
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* @export
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* @template
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* @param {T} v 向量(2d,3d)
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* @param {number} an 角度
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* @param {number} dis 距离
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* @returns {T}
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*/
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export declare function polar<T extends Vector2 | Vector3>(v: T, an: number, dis: number): T;
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export declare function angle(v: Vector3 | Vector2): number;
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/**
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* 求两个向量的夹角,顺时针为负,逆时针为正
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*
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* @param {THREE.Vector3} v1
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* @param {THREE.Vector3} v2
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* @param {THREE.Vector3} [ref] 参考向量,如果为世界坐标系则为0,0,1
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* @returns
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*/
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export declare function angleTo(v1: THREE.Vector3, v2: THREE.Vector3, ref?: THREE.Vector3): number;
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export declare function getLoocAtUpVec(dir: THREE.Vector3): THREE.Vector3;
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export declare function createLookAtMat4(dir: THREE.Vector3): THREE.Matrix4;
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export declare function isParallelTo(v1: THREE.Vector3, v2: THREE.Vector3): boolean;
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export declare function ptToString(v: THREE.Vector3, fractionDigits?: number): string;
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export declare function midPoint(v1: THREE.Vector3, v2: THREE.Vector3): THREE.Vector3;
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export declare function midPoint2(v1: THREE.Vector2, v2: THREE.Vector2): THREE.Vector2;
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export declare function midPtCir(v1: THREE.Vector3, v2: THREE.Vector3): THREE.Vector3;
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export declare function GetBox(obj: THREE.Object3D, updateMatrix?: boolean): THREE.Box3;
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export declare function GetBoxArr(arr: Array<THREE.Object3D>): THREE.Box3;
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export declare function MoveMatrix(v: THREE.Vector3): THREE.Matrix4;
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export declare function getProjectDist(v1: Vector3, v2: Vector3): {
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h: number;
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v: number;
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};
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export declare function getPtPostion(sp: Vector3, ep: Vector3, c: Vector3, inPt: Vector3): {
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sp: THREE.Vector3;
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ep: THREE.Vector3;
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};
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export declare function angleAndX(v: Vector3 | Vector2): number;
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/**
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* 将角度调整为0-2pi之间
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*
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* @export
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* @param {number} an
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*/
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export declare function angleTo2Pi(an: number): number;
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export declare function updateGeometry(l: THREE.Line | THREE.Mesh, geometry: Geometry): void;
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