/
capsule-collider.ts
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/
capsule-collider.ts
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/**
* @packageDocumentation
* @module physics
*/
import {
ccclass,
help,
executeInEditMode,
menu,
tooltip,
type,
serializable,
} from 'cc.decorator';
import { Collider } from './collider';
import { ICapsuleShape } from '../../../spec/i-physics-shape';
import { EDITOR, TEST } from 'internal:constants';
import { EAxisDirection, EColliderType } from '../../physics-enum';
import { absMax } from '../../../../core';
/**
* @en
* Capsule collider component.
* @zh
* 胶囊体碰撞器。
*/
@ccclass('cc.CapsuleCollider')
@help('i18n:cc.CapsuleCollider')
@menu('Physics/CapsuleCollider')
@executeInEditMode
export class CapsuleCollider extends Collider {
/// PUBLIC PROPERTY GETTER\SETTER ///
/**
* @en
* Gets or sets the radius of the sphere on the capsule body, in local space.
* @zh
* 获取或设置胶囊体在本地坐标系下的球半径。
*/
@tooltip('本地坐标系下胶囊体上的球的半径')
public get radius () {
return this._radius;
}
public set radius (value) {
if (value < 0) value = 0;
this._radius = value;
if (!EDITOR && !TEST) {
this.shape.setRadius(value);
}
}
/**
* @en
* Gets or sets the cylinder on the capsule body is at the corresponding axial height, in local space.
* @zh
* 获取或设置在本地坐标系下的胶囊体上圆柱体的高度。
*/
@tooltip('本地坐标系下胶囊体上的圆柱体的高度')
public get cylinderHeight () {
return this._cylinderHeight;
}
public set cylinderHeight (value) {
if (value < 0) value = 0;
this._cylinderHeight = value;
if (!EDITOR && !TEST) {
this.shape.setCylinderHeight(value);
}
}
/**
* @en
* Gets or sets the capsule direction, in local space.
* @zh
* 获取或设置在本地坐标系下胶囊体的方向。
*/
@type(EAxisDirection)
@tooltip("本地坐标系下胶囊体的朝向")
public get direction () {
return this._direction;
}
public set direction (value: EAxisDirection) {
value = Math.floor(value);
if (value < EAxisDirection.X_AXIS || value > EAxisDirection.Z_AXIS) return;
this._direction = value;
if (!EDITOR && !TEST) {
this.shape.setDirection(value);
}
}
/**
* @en
* Gets or sets the capsule height, in local space, with the minimum value being the diameter of the sphere.
* @zh
* 获取或设置在本地坐标系下胶囊体的高度,最小值为球的直径。
*/
public get height () {
return this._radius * 2 + this._cylinderHeight;
}
public set height (value) {
let ch = value - this._radius * 2;
if (ch < 0) ch = 0;
this.cylinderHeight = ch;
}
/**
* @en
* Gets the capsule body is at the corresponding axial height, in world space.
* @zh
* 获取胶囊体在世界坐标系下相应胶囊体朝向上的高度,只读属性。
*/
public get worldHeight () {
return this._radius * 2 * this._getRadiusScale() + this._cylinderHeight * this._getHeightScale();
}
/**
* @en
* Gets the wrapper object, through which the lowLevel instance can be accessed.
* @zh
* 获取封装对象,通过此对象可以访问到底层实例。
*/
public get shape () {
return this._shape as ICapsuleShape;
}
/// PRIVATE PROPERTY ///
@serializable
private _radius = 0.5;
@serializable
private _cylinderHeight = 1;
@serializable
private _direction = EAxisDirection.Y_AXIS;
constructor () {
super(EColliderType.CAPSULE);
}
private _getRadiusScale () {
if (this.node == null) return 1;
const ws = this.node.worldScale;
if (this._direction == EAxisDirection.Y_AXIS)
return Math.abs(absMax(ws.x, ws.z));
else if (this._direction == EAxisDirection.X_AXIS)
return Math.abs(absMax(ws.y, ws.z));
else
return Math.abs(absMax(ws.x, ws.y));
}
private _getHeightScale () {
if (this.node == null) return 1;
const ws = this.node.worldScale;
if (this._direction == EAxisDirection.Y_AXIS)
return Math.abs(ws.y);
else if (this._direction == EAxisDirection.X_AXIS)
return Math.abs(ws.x);
else
return Math.abs(ws.z);
}
}