cocos鼠标选装

import {  _decorator, Component, Node, input, Input, EventMouse, Vec3, v2, Camera, } from 'cc';
const { ccclass, property } = _decorator;
 
@ccclass('NewComponent')
export class NewComponent extends Component {
 
    private _currotate = new Vec3();
    private _speed: number = 0;
    private IsMouseDown: boolean = false;
    @property(Node)
    private headNode: Node = null!;
 
 
 
    start() {
        input.on(Input.EventType.MOUSE_DOWN, this.MouseDown, this);
        input.on(Input.EventType.MOUSE_UP, this.MouseUp, this);
        input.on(Input.EventType.MOUSE_WHEEL, this.MouseWheel, this);
        input.on(Input.EventType.MOUSE_MOVE, this.OnMove, this);
 
    }
    MouseDown(event:EventMouse) {
        this.IsMouseDown = true;
 
    }
 
    MouseUp(event: EventMouse) {
        this.IsMouseDown = false;
    }
 
    MouseWheel(event: EventMouse) {
        //console.log(event.getScrollX);
        //console.log(event.getScrollY);
        //console.log(event.setScrollData);
        let length: number = event.getScrollY();
        let distance: Number = 1;
        console.log(length);
        if (length > 0) {
            let abc = new Vec3();
            abc = this.headNode.getPosition();
            this.headNode.setPosition(abc.x, abc.y, abc.z - 1);
            //console.log(this.headNode.position);
        }
        if (length < 0) {
            let abc = new Vec3();
            abc = this.headNode.getPosition();
            this.headNode.setPosition(abc.x, abc.y, abc.z + 1);
 
        }
        //this.headNode.getComponent<Camera>()
    }
 
    OnMove(event: EventMouse) {
        if (!this.IsMouseDown) return;
 
        let angle_speed = 2;
        let delat = event.getDelta();
        //console.log(delat);
 
 
        if (event.getButton() == 1) {
 
            let campos = new Vec3();
            campos = this.headNode.getPosition();
            if (delat.x > 0) {
                console.log(this.headNode.position);
                let camposx: number = campos.x - delat.x * 0.01;
                this.headNode.position = new Vec3(camposx, campos.y, campos.z);
            }
            else if (delat.x < 0) {
                let camposx: number = campos.x - delat.x * 0.01;
                this.headNode.position = new Vec3(camposx, campos.y, campos.z);
            } 
 
            else if (delat.y<0) {
                let camposy: number = campos.y - delat.y * 0.01;
                this.headNode.position = new Vec3(campos.x, camposy, campos.z);
            }
            else if (delat.y > 0) {
                let camposy: number = campos.y - delat.y * 0.01;
                this.headNode.position = new Vec3(campos.x, camposy, campos.z);
            }
 
        }
 
        
 
        if (event.getButton() == 0) {
 
        if (delat.x < 0) {
            let angle = this.node.eulerAngles;
            let angleY = angle.y + angle_speed;
            this.node.eulerAngles = new Vec3(angle.x, angleY, angle.z);
        } else if (delat.x > 0) {
            let angle = this.node.eulerAngles;
            let angleY = angle.y - angle_speed;
            this.node.eulerAngles = new Vec3(angle.x, angleY, angle.z);
        } else if (delat.y > 0) {
            let angle = this.node.eulerAngles;
            let angleX = angle.x + angle_speed;
            this.node.eulerAngles = new Vec3(angleX, angle.y, angle.z);
        } else if (delat.y < 0) {
            let angle = this.node.eulerAngles;
            let angleX = angle.x - angle_speed;
            this.node.eulerAngles = new Vec3(angleX, angle.y, angle.z);
            }
        }
 
    }
}