GLenum doubleBuffer;
+static GLboolean smooth = GL_FALSE;
+
static void Init(void)
{
{
switch (key) {
+ case 's':
+ smooth = !smooth;
+ break;
case 27:
exit(1);
default:
glPointSize(8.0);
+ if (smooth) {
+ glEnable(GL_POINT_SMOOTH);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ }
+ else {
+ glDisable(GL_POINT_SMOOTH);
+ glDisable(GL_BLEND);
+ }
+
glBegin(GL_POINTS);
glColor3f(1,0,0);
glVertex3f( 0.9, -0.9, -30.0);