如何使用jPCT与Vuforia SDK？ [英] How to use jPCT with Vuforia SDK?

问题描述

有人可以给混合Jpct和高通Vuforia SDK的概况？它是使用Java渲染引擎，Vuforia一个好主意？

Can someone give an overview of mixing Jpct and Qualcomm Vuforia SDK? Is it a good idea to use Java rendering engine with Vuforia?

推荐答案

基本上，QCAR的整个辊子是计算变形predefined目标图像的变换矩阵。它给你，你可以使用OpenGL使用叠加图形两个重要的4X4矩阵。

Basically, the whole roll of QCAR is to compute the transformation matrix of a deformed predefined target image. It gives you two important 4x4 matrices which you can use with OpenGL to superimpose your graphics.

• 模型视图矩阵


• 投影矩阵

• ModelView matrix
• Projection matrix

如果你熟悉的OpenGL，这两个都够渲染目的。但是，如果你想使用像一个渲染引擎的 jPCT ，请使用相机并提取模型视图矩阵的 FOV从投影矩阵。看看在ImageTarget示例应用程序，你会明白code你要改的哪一部分。

if you are familiar with OpenGL, these two are enough for rendering purpose. But if you want to use a rendering engine like jPCT, use ModelView matrix with camera and extract FOV from Projection matrix. Take a look at the ImageTarget sample app and you will understand which part of the code you have to change.

更何况，你也应该从本地codeS注释掉不必要的渲染codeS。由于jPCT是基于Java的，你需要从本地codeS到Java这是一个JNI任务传递矩阵。否则，您可以使用一个基于C ++的引擎一样的 OGRE3D 或 OpenFramework 的能在本土code来呈现。

Not to mention, you should also comment out the unnecessary rendering codes from native codes. Since jPCT is Java-based, you need to pass matrices from native codes to Java which is a JNI task. Otherwise, you may use a C++ based engine like Ogre3D or OpenFramework to be able to render in native code.

回来，并要求更多，如果你面对的问题。

Come back and ask more if you face problem.

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