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目前我在客戶端使用基於webGL的瀏覽器實現代碼。它工作完美。但是,我想在服務器端使用相同的代碼。是的,這不是基於瀏覽器的,使用node-webgl庫的純javascript代碼。將瀏覽器實現的'new Image()'替換爲node-webgl javascript實現?
雖然這樣做我正面臨一個問題。
新的圖像()被瀏覽器識別,但在服務器端,我得到錯誤的圖像沒有定義。以下是我所附的錯誤。另外還有兩個我正在研究的錯誤。
C:\Users\z003npra\Desktop\node>node exp.js
Status: Using GLEW 1.13.0
Linking ./simple.vert+./simple.frag
------------
Vertex info
-----------
(0) : error C5145: must write to gl_Position
Linking ./raycast.vert+./raycast-color.frag
------------
Vertex info
-----------
(0) : error C5145: must write to gl_Position
undefined:346
gl.tf_img = new Image();
^
ReferenceError: Image is not defined
at initTexture (eval at <anonymous> (C:\Users\z003npra\Desktop\node\exp.js:1
5:9), <anonymous>:346:18)
at volumerc_main (eval at <anonymous> (C:\Users\z003npra\Desktop\node\exp.js
:15:9), <anonymous>:392:2)
at Object.<anonymous> (C:\Users\z003npra\Desktop\node\exp.js:17:1)
at Module._compile (module.js:409:26)
at Object.Module._extensions..js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Function.Module.runMain (module.js:441:10)
at startup (node.js:139:18)
at node.js:974:3
我嘗試安裝帆布即NPM安裝帆布和訪問它的形象對象元素的另一種方法:不過,我讓其他錯誤,看起來是不兼容的。在開始我已經定義了 var Canvas1 = require('canvas') ,Image = Canvas1.Image;
該錯誤是下面,
C:\Users\z003npra\Desktop\node>node exp.js
Status: Using GLEW 1.13.0
Linking ./simple.vert+./simple.frag
------------
Vertex info
-----------
(0) : error C5145: must write to gl_Position
Linking ./raycast.vert+./raycast-color.frag
------------
Vertex info
-----------
(0) : error C5145: must write to gl_Position
C:\Users\z003npra\Desktop\node\node_modules\node-webgl\lib\webgl.js:806
throw new TypeError('Expected texImage2D(number target, number level, numb
er internalformat, number format, number type, Image pixels)');
^
TypeError: Expected texImage2D(number target, number level, number internalforma
t, number format, number type, Image pixels)
at Object.texImage2D (C:\Users\z003npra\Desktop\node\node_modules\node-webgl
\lib\webgl.js:806:13)
at handleLoadedTexture (eval at <anonymous> (C:\Users\z003npra\Desktop\node\
exp.js:15:9), <anonymous>:330:5)
at gl.tf_img.onload (eval at <anonymous> (C:\Users\z003npra\Desktop\node\exp
.js:15:9), <anonymous>:349:3)
at Image.src (C:\Users\z003npra\Desktop\node\node_modules\canvas\lib\image.j
s:30:17)
at initTexture (eval at <anonymous> (C:\Users\z003npra\Desktop\node\exp.js:1
5:9), <anonymous>:351:16)
at volumerc_main (eval at <anonymous> (C:\Users\z003npra\Desktop\node\exp.js
:15:9), <anonymous>:392:2)
at Object.<anonymous> (C:\Users\z003npra\Desktop\node\exp.js:17:1)
at Module._compile (module.js:409:26)
at Object.Module._extensions..js (module.js:416:10)
at Module.load (module.js:343:32)
任何其他替代模仿基於實施節點webgl的圖像類型?
是的,它的工作。 –
以及如何使用headless-gl庫中的圖片? –