1
| | void cloud_rain(int value)
{
int i;
float r_x, r_z;
glDisable(GL_LIGHTING);
glColor3f(0.0, 0.0, 1.0);
glBegin(GL_POINTS);
for (i = 0; i < NUM_DROPS; i++)
{
r_x = (float) ((rand() % NUM_DROPS) - NUM_DROPS / 2) / NUM_DROPS;
r_z = (float) ((rand() % NUM_DROPS) - NUM_DROPS / 2) / NUM_DROPS;
printf("Drawing drop at (%f, %f, %f)\n", cloud_x + r_x, cloud_y - drops[i], cloud_z + r_z);
glVertex3f(cloud_x + r_x, cloud_y - drops[i], cloud_z + r_z);
if (rand() % 2)
{
drops[i]++;
if (drops[i] > cloud_y)
{
drops[i] = 0;
}
}
}
glEnd();
glEnable(GL_LIGHTING);
glutPostRedisplay();
if (angry_rain)
{
glutTimerFunc(10, cloud_rain, 0);
}
} |
