Question

opengl 纹理坐标 对立方体纹理贴图

glBegin(GL_QUADS);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(0.25f,0.25f,0.25f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(-0.25f,0.25f,0.25f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(-0.25f,-0.25f,0.25f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.25f,-0.25f,0.25f);
glEnd();

//2222
glBegin(GL_QUADS);
// Front Face
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.25f,0.25f,0.25f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(0.25f,0.25f,-0.25f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(-0.25f,0.25f,-0.25f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(-0.25f,0.25f,0.25f);
glEnd();

//33333333
glBegin(GL_QUADS);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(0.25f,0.25f,0.25f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(0.25f,-0.25f,0.25f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.25f,-0.25f,-0.25f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.25f,0.25f,-0.25f);
glEnd();

//4444444444
glBegin(GL_QUADS);
glTexCoord2f(1.0f,1.0f);
glVertex3f(0.25,-0.25,0.25);
glTexCoord2f(1.0f,0.0f);
glVertex3f(-0.25,-0.25,0.25);
glTexCoord2f(0.0f,0.0f);
glVertex3f(-0.25,-0.25,-0.25);
glTexCoord2f(0.0f,1.0f);
glVertex3f(0.25,-0.25,-0.25);
glEnd();

//555555555
glBegin(GL_QUADS);
glTexCoord2f(1.0f,1.0f);
glVertex3f(-0.25,0.25,0.25);
glTexCoord2f(1.0f,0.0f);
glVertex3f(-0.25,0.25,-0.25);
glTexCoord2f(0.0f,0.0f);
glVertex3f(-0.25,-0.25,-0.25);
glTexCoord2f(0.0f,1.0f);
glVertex3f(-0.25,-0.25,0.25);
glEnd();

//666666666666
glBegin(GL_QUADS);
glTexCoord2f(1.0f,1.0f);
glVertex3f(0.25,0.25,-0.25);
glTexCoord2f(1.0f,0.0f);
glVertex3f(0.25,-0.25,-0.25);
glTexCoord2f(0.0f,0.0f);
glVertex3f(-0.25,-0.25,-0.25);
glTexCoord2f(0.0f,1.0f);
glVertex3f(-0.25,0.25,-0.25);
glEnd();

哪里错了。

Answer 1

大哥，你只是画了个立方体而已，根本就没有贴图。