效果如图:
按 ‘m’ 键后
代码及详细注释如下
GLuint program;
GLuint vao;
void startup()
{
static const char * vs_source[] =
{
"#version 410 core \n"
" \n"
"void main(void) \n"
"{ \n"
" const vec4 vertices[] = vec4[](vec4( 0.25,