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press 's' to toggle smoothing

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This commit is contained in:
Brian 2007-07-13 10:32:56 -06:00
parent 563479552e
commit 5796056e28
1 changed files with 15 additions and 0 deletions
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15
progs/trivial/point-wide.c
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@ -33,6 +33,8 @@
GLenum doubleBuffer;
static GLboolean smooth = GL_FALSE;
static void Init(void)
{
@ -58,6 +60,9 @@ static void Key(unsigned char key, int x, int y)
{
switch (key) {
case 's':
smooth = !smooth;
break;
case 27:
exit(1);
default:
@ -73,6 +78,16 @@ static void Draw(void)
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);