我有以下代码。有两个发光的二十面体在非常快速地旋转。我应该怎么做才能使旋转变慢?我不是很擅长OpenGL,我已经尝试修改Idle函数中的值,但仍然无法减缓速度。
void
display(void)
{
static GLfloat amb[] =
{0.4, 0.4, 0.4, 0.0};
static GLfloat dif[] =
{1.0, 1.0, 1.0, 0.0};
amb[3] = dif[3] = cos(s) / 2.0 + 0.5;
glMaterialfv(GL_FRONT, GL_AMBIENT, amb);
glMaterialfv(GL_FRONT, GL_DIFFUSE, dif);
glPushMatrix();
glTranslatef(-0.3, -0.3, 0.0);
glRotatef(angle1, 1.0, 5.0, 0.0);
glCallList(1); /* render ico display list */
glPopMatrix();
glClear(GL_DEPTH_BUFFER_BIT);
glEnable(GL_LIGHT2);
glDisable(GL_LIGHT1);
amb[3] = dif[3] = 0.5 - cos(s * .95) / 2.0;
glMaterialfv(GL_FRONT, GL_AMBIENT, amb);
glMaterialfv(GL_FRONT, GL_DIFFUSE, dif);
glPushMatrix();
glTranslatef(0.3, 0.3, 0.0);
glRotatef(angle2, 1.0, 0.0, 5.0);
glCallList(1); /* render ico display list */
glPopMatrix();
}
void
idle(void)
{
angle1 = (GLfloat) fmod(angle1 + 0.8, 360.0);
angle2 = (GLfloat) fmod(angle2 + 1.1, 360.0);
s += 0.05;
glutPostRedisplay();
}
void
visible(int vis)
{
if (vis == GLUT_VISIBLE)
glutIdleFunc(idle);
else
glutIdleFunc(NULL);
}
angle1 + 0.08
,angle2 + 0.11
? - Rabbid76