顶点数组

float vertexes[] = {
    0.0f,0.0f,-100.0f,
    10.0f,0.0f,-100.0f,
    0.0f,10.0f,-100.0f,

    20.0f,0.0f,-100.0f,
    30.0f,0.0f,-100.0f,
    20.0f,10.0f,-100.0f,
};

float colors[] = {
    1.0f,0,0,1.0f,
    1.0f,0,0,1.0f,
    1.0f,0,0,1.0f,

    1.0f,0,0,1.0f,
    1.0f,0,0,1.0f,
    1.0f,0,0,1.0f,
};

glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertexes);

glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(4, GL_FLOAT, 0, colors);

glDrawArrays(GL_TRIANGLES, 0, 6);