小程序AR模型渲染报错

Question

小程序ARglb模型渲染，canvas的type类型是webgl类型会报错

context.createImageData is not a function

TypeError: this.context.createImageData is not a function
at CrsClient.queryImage (http://127.0.0.1:49310/appservice/pages/index/crsClient.js:46:39)
at ie.queryImage (http://127.0.0.1:49310/appservice/pages/index/index.js:187:20)
at ie.scan (http://127.0.0.1:49310/appservice/pages/index/index.js:242:10)
at Object.n.safeCallback (http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:2958768)
at http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:3129351
at a (http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:3056787)
at http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:3129282
at n (http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:3035851)
at http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:3036428
at http://127.0.0.1:49310/appservice/__dev__/WAService.js?t=wechat&s=1664194548764&v=2.14.0:2:1857978

运行结果及报错内容

type类型为2D时没有问题

Answer 1

this.context 打印一下看看 。 报错是说 createImageData 不是个函数