cocos creator使用头条小游戏相机功能作为背景
版本：2.4.2
const { ccclass, property } = cc._decorator;
@ccclass
export default class TestVideo extends cc.Component {
private camera: any = null;
private video: any = null;
private videoTexture: cc.Texture2D = null;
@property(cc.Node)
cameraNode:cc.Node = null;
private frame: number = 0;
onLoad() {
this.startCamera();
}
startCamera() {
console.log('startCamera')
this.camera = tt.createCamera();
tt.setKeepScreenOn(); // 保持屏幕常亮
this.camera.start('front', true).then(video => {
console.log('front')
this.video = video;
console.log('this.video='+JSON.stringify(this.video))
this.initVideo(); // cocos视频映射应该在camera初始完成之后
}).catch(err => {
tt.showToast({
title: '摄像机需要授权'
});
console.log(err);
});
this.camera.setBeautifyParam(1, 1, 1, 1); //设置美白、磨皮、大眼、瘦脸, 范围：[0, 1]
}
initVideo() {
console.log('initVideo')
this.videoTexture = new cc.Texture2D();
this.videoTexture.initWithElement(this.video);
this.videoTexture.handleLoadedTexture();
this.cameraNode.getComponent(cc.Sprite).spriteFrame = new cc.SpriteFrame(this.videoTexture);
this.setVideoWidth(cc.view.getVisibleSize().width) //固定宽度进行视频缩放
this.cameraNode.width = this.video.width; //设置在游戏界面画的视频宽度
this.cameraNode.height = this.video.height; //设置在游戏界面画的视频高度
console.log(`cameraNodewidth=${this.cameraNode.width} cameraNodeheight=${this.cameraNode.height}`)
console.log(`videowidth=${this.video.width} videoheight=${this.video.height}`)
this.cameraNode.rotation = -90
}
setVideoWidth(width: number) {
if (this.video) {
this.video.width = width;
this.video.height = this.video.videoHeight / this.video.videoWidth * width;
}
}
update(dt) {
this.frame++;
if (this.frame >= 5) {
// this.startDetector(); //每五帧进行一次人脸检测
this.frame = 0
}
if (this.videoTexture && this.video) {
// console.log('updatevideoTexture')
this.videoTexture.update({
image: this.video,
flipY: true
})
}
}
}
