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我已停止使用glutSolidCube并开始手动应用纹理。仍然无济于事。任何想法，如果没有，你能指出一个纹理成功应用于立方体的例子吗？

glRotatef(180, 0.0f, 1.0f, 0.0f);

glBindTexture(GL_TEXTURE_CUBE_MAP, texture);

glTranslatef(pos_x, 0, pos_z);

int size = 1;

// Begin Rending
glBegin(GL_QUADS);

// Face 1
glNormal3f( 0.0f, 0.0f, 1.0f);  

glTexCoord2f(0.0f, 0.0f);
glVertex3f( size, size,-size);

glTexCoord2f(1.0f, 0.0f);
glVertex3f(-size, size,-size);

glTexCoord2f(1.0f, 1.0f);
glVertex3f(-size, size, size);

glTexCoord2f(0.0f, 1.0f);
glVertex3f( size, size, size);    

// Face 2

glNormal3f( 0.0f, 0.0f,-1.0f);

glTexCoord2f(0.0f, 0.0f);
glVertex3f( size,-size, size);    

glTexCoord2f(1.0f, 0.0f);
glVertex3f(-size,-size, size);

glTexCoord2f(1.0f, 1.0f);
glVertex3f(-size,-size,-size);

glTexCoord2f(0.0f, 1.0f);
glVertex3f( size,-size,-size);

// Face 3


glTexCoord2f(0.0f, 0.0f);
glVertex3f( size, size, size);    

glTexCoord2f(1.0f, 0.0f);
glVertex3f(-size, size, size);

glTexCoord2f(1.0f, 1.0f);
glVertex3f(-size,-size, size);    

glTexCoord2f(0.0f, 1.0f);
glVertex3f( size,-size, size);

// Face 4

glNormal3f( 0.0f,-1.0f, 0.0f);  

glTexCoord2f(0.0f, 0.0f);
glVertex3f( size,-size,-size);

glTexCoord2f(1.0f, 0.0f);
glVertex3f(-size,-size,-size);

glTexCoord2f(1.0f, 1.0f);
glVertex3f(-size, size,-size);

glTexCoord2f(0.0f, 1.0f);
glVertex3f( size, size,-size);

// Face 5

glNormal3f( 1.0f, 0.0f, 0.0f);

glTexCoord2f(0.0f, 0.0f);
glVertex3f(-size, size, size);    

glTexCoord2f(1.0f, 0.0f);
glVertex3f(-size, size,-size);    

glTexCoord2f(1.0f, 1.0f);
glVertex3f(-size,-size,-size);

glTexCoord2f(0.0f, 1.0f);
glVertex3f(-size,-size, size);

// Face 6

glNormal3f( 1.0f, 0.0f, 0.0f);

glTexCoord2f(0.0f, 0.0f);
glVertex3f( size, size,-size);

glTexCoord2f(1.0f, 0.0f);
glVertex3f( size, size, size);

glTexCoord2f(1.0f, 1.0f);
glVertex3f( size,-size, size);

glTexCoord2f(0.0f, 1.0f);
glVertex3f( size,-size,-size);    

glEnd();

我正在用OpenGL + Glut制作一个简单的基于体素的游戏，我在加载纹理并将其应用到立方体时遇到了麻烦。纹理在这里创建：

texture = SOIL_load_OGL_cubemap (
    "block.png",
    "block.png",
    "block.png",
    "block.png",
    "block.png",
    "block.png",
    SOIL_LOAD_RGB,
    SOIL_CREATE_NEW_ID,
    SOIL_FLAG_MIPMAPS
);

并在此处应用绘制方法：

glEnable(GL_TEXTURE_GEN_S); //enable texture coordinate generation
glEnable(GL_TEXTURE_GEN_T);
glBindTexture(GL_TEXTURE_2D, texture);
glutSolidCube(2);
glDisable(GL_TEXTURE_GEN_S); //enable texture coordinate generation
glDisable(GL_TEXTURE_GEN_T);

但是当我运行应用程序时，我仍然得到一个坚固的白色立方体。

http://i.snag.gy/ahxUt.jpg

我错过了一些非常明显的东西吗？

Answer 1

glutSolidCube不包含uv坐标，因此OpenGL无法知道应该在哪里应用纹理。我相信只有glutSolidTeapot才能以这种方式纹理化？但不确定。

无论如何，没有任何方法可以轻松地纹理glutSolidCube，而不是自动生成uv坐标。我不确定如何做到这一点，但这link可能会有所帮助。如果您不想处理自动生成坐标，那么只需手动绘制立方体并在那里指定uv。

OpenGL：纹理加载但未应用

1 个答案: