近期刚刚接触3D，想试试两个模型间的碰撞检测，在使用两个立方块时，“onTriggerEnter”事件有实现触发，于是又尝试换成了官方的cocos宇航员模型，不知为何就没有反应了，我很肯定的开启了触发器，并且在论坛里翻阅到官方人员建议说需要添加刚体组件并选择Kinematic模式，可还是不行，再此恳请各位大佬指教，先行谢过！
引擎版本：cocos creator 3.5.2
Demo：3DDemo.rar (3.6 MB)
脚本片段：
import { _decorator, Component, SkeletalAnimation, input, Input, EventKeyboard, KeyCode, Vec3, v3, ITriggerEvent, BoxCollider, } from ‘cc’;
const { ccclass, property } = _decorator;
@ccclass(‘RoleController’)
export class RoleController extends Component {
private _curKeyCodes: KeyCode[] = [];
private speed: number = 2.5;
private curPlayingAnimation: string = RoleAnimationName.IDLE;
protected onLoad() {
input.on(Input.EventType.KEY_DOWN, this.keyDown, this);
input.on(Input.EventType.KEY_UP, this.keyUp, this);
this.node.getComponent(BoxCollider).on("onTriggerEnter", this.checkCollision, this);
}
private keyDown(e: EventKeyboard) {
const code: KeyCode = e.keyCode;
if (this.chackKeyCode(code) && this._curKeyCodes.indexOf(code) == -1)
this._curKeyCodes.push(code);
}
private keyUp(e: EventKeyboard) {
const index: number = this._curKeyCodes.indexOf(e.keyCode);
if (index != -1)
this._curKeyCodes.splice(index, 1);
}
private chackKeyCode(keyCode: KeyCode) {
switch (keyCode) {
case KeyCode.KEY_W:
case KeyCode.KEY_S:
case KeyCode.KEY_A:
case KeyCode.KEY_D:
return true;
default:
return false;
}
}
private calcRotation() {
if (this._curKeyCodes.length === 0 || this._curKeyCodes.length === 4) return null;
let clone: KeyCode[] = [];
for (const code of this._curKeyCodes)
clone.push(code);
let indexW: number = clone.indexOf(KeyCode.KEY_W);
let indexS: number = clone.indexOf(KeyCode.KEY_S);
let indexA: number = clone.indexOf(KeyCode.KEY_A);
let indexD: number = clone.indexOf(KeyCode.KEY_D);
if (indexW != -1 && indexS != -1) {
clone.splice(indexW, 1);
clone.splice(indexS, 1);
}
if (indexA != -1 && indexD != -1) {
clone.splice(indexA, 1);
clone.splice(indexD, 1);
}
indexW = clone.indexOf(KeyCode.KEY_W);
indexS = clone.indexOf(KeyCode.KEY_S);
indexA = clone.indexOf(KeyCode.KEY_A);
indexD = clone.indexOf(KeyCode.KEY_D);
let result: number = 0;
if (indexW != -1 && indexA != -1)
result = 225;
else if (indexW != -1 && indexD != -1)
result = 135;
else if (indexS != -1 && indexA != -1)
result = 315;
else if (indexS != -1 && indexD != -1)
result = 45;
else if (indexW != -1)
result = 180;
else if (indexS != -1)
result = 0;
else if (indexA != -1)
result = 270;
else if (indexD != -1)
result = 90;
return result;
}
private playRoleAnimation(name: string, speed: number = 1, cb?: Function) {
if (this.curPlayingAnimation == name) return;
this.curPlayingAnimation = name;
const animation: SkeletalAnimation = this.node.getComponent(SkeletalAnimation);
const state = animation.getState(name);
state.speed = speed;
animation.play(name);
this.scheduleOnce(() => !!cb && cb(), state.duration);
}
private roleMove(distance: number) {
const rotation: number = this.calcRotation();
let name: string = RoleAnimationName.IDLE;
if (rotation != null) {
let curPos: Vec3 = new Vec3();
this.node.getPosition(curPos);
//四舍五入是为了提高计算精度
const x: number = Math.round(Math.sin(rotation * Math.PI / 180) * 100000) / 100000 * distance;
const z: number = Math.round(Math.cos(rotation * Math.PI / 180) * 100000) / 100000 * distance;
curPos = curPos.add(v3(x, 0, z));
this.node.setPosition(curPos);
this.node.setRotationFromEuler(v3(0, rotation, 0));
name = RoleAnimationName.WALK;
}
this.playRoleAnimation(name);
}
private checkCollision(e: ITriggerEvent) {
console.log("触发碰撞:", e)
}
protected update(dt: number) {
this.roleMove(dt * this.speed);
}}
enum RoleAnimationName {
IDLE = “cocos_anim_idle”,
ATTACK = “cocos_anim_attack”,
DIE = “cocos_anim_die”,
DOWN = “cocos_anim_down”,
JUMP = “cocos_anim_jump”,
RUN = “cocos_anim_run”,
SHOOT = “cocos_anim_shoot”,
SQUAT = “cocos_anim_squat”,
WALK = “cocos_anim_walk”
}
