我正在用 glDrawArrays() 绘制一个正方形,如下所示:
glTranslatef(0.0f,0.0f,-6.0f);
const GLfloat quadVertices[] = { -1.0f, 1.0f, 0.0f,
1.0f, 1.0f, 0.0f,
1.0f,-1.0f, 0.0f,
-1.0f,-1.0f, 0.0f
};
glVertexPointer(4, GL_FLOAT, 0, quadVertices);
glDrawArrays(GL_QUADS, 0, 4);
输出不如预期。