多重纹理叠加的qt程序，方便初学者学习,就是把一个纹理(其实说白了，纹理可以理解为一幅图像)映射到空间物体的表面上，因此纹理映射也叫贴图，这个表明不一定是矩形，比如说我可以是球面，或者是任意曲面-Multiple textures superimposed qt procedures for beginners to learn, is to put a texture (in fact, plainly, textures can be understood as an image) is m