我正在使用lvjgl和lvjgui开发程序。尝试显示2D纹理时没有问题,但是当我尝试显示3D立方体时,不会显示所有纹理。这是渲染代码:
@Override
public void render(Context context) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
glBegin(GL_QUADS);
glColor3f(0f, 0f, 1f);
glVertex3f(0.5f, 0.5f, 0.5f);
glVertex3f(-0.5f, 0.5f, 0.5f);
glVertex3f(-0.5f, -0.5f, 0.5f);
glVertex3f(0.5f, -0.5f, 0.5f);
glColor3f(1, 0, 1);
glVertex3f(0.5f, -0.5f, 0.5f);
glVertex3f(-0.5f, -0.5f,0.5f);
glVertex3f(-0.5f, -0.5f, -0.5f);
glVertex3f(0.5f, -0.5f, -0.5f);
glColor3f(0, 1, 1);
glVertex3f(0.5f, -0.5f, -0.5f);
glVertex3f(0.5f, -0.5f, 0.5f);
glVertex3f(0.5f, 0.5f, 0.5f);
glVertex3f(0.5f, 0.5f, -0.5f);
glColor3f(1, 0, 0);
glVertex3f(0.5f, 0.5f, -0.5f);
glVertex3f(0.5f, -0.5f, -0.5f);
glVertex3f(-0.5f, -0.5f, -0.5f);
glVertex3f(-0.5f, 0.5f, -0.5f);
glColor3f(1, 1, 0);
glVertex3f(-0.5f, 0.5f, -0.5f);
glVertex3f(0.5f, 0.5f, -0.5f);
glVertex3f(0.5f, 0.5f, 0.5f);
glVertex3f(-0.5f, 0.5f, 0.5f);
glColor3f(0, 1, 0);
glVertex3f(-0.5f, 0.5f, 0.5f);
glVertex3f(-0.5f, -0.5f, 0.5f);
glVertex3f(-0.5f, -0.5f, -0.5f);
glVertex3f(-0.5f, 0.5f, -0.5f);
glEnd();
if(rotate)
glRotatef(0.01f,0.0f,0.5f,0.0f);
}
在渲染之前,请执行以下操作:
public RenderingCallback() {
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
glClearDepth(0.5f);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_SMOOTH);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glRotatef(20f,0.5f,0.0f,0.0f);
}
多维数据集本身如下所示:
Cube
还有video
如您所见,蓝色根本不显示,并且某些纹理相互重叠。如果卸下其中一面,则会出现蓝色的一面。我怎么解决这个问题?我究竟做错了什么?
最佳答案
您缺少深度缓冲区。在LWJGL初始化中,在调用glfwCreateWindow
之前提供深度缓冲区的大小:
glfwWindowHint(GLFW_DEPTH_BITS, 16);
您还应该将深度清除为1.0而不是0.5:
glClearDepth(1.0f);