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我想保存顶部元素,弹出它,将新的东西压入堆栈,最后将保存的元素压入堆栈。我想 glGetFloatv(GL_MODELVIEW_MATRIX, matrix) 用整个模型视图堆栈填充矩阵,而不仅仅是顶部元素,对吧?
glGetFloatv(GL_MODELVIEW_MATRIX, matrix) 用整个模型视图堆栈填充矩阵,而不仅仅是顶部元素,对吗?
你想错了。它获取最顶层的元素,而 glLoadMatrix 设置最顶层的元素。