void Streamline::RenderStreamlines(GLfloat *eigenfloats){
if( this->bVisible ){ // if they are visible then draw. Otherwise no need.
this->DrawSeedPoint() ;
for(int i = 0 ; i < this->iNumberOfStreamlines ; i++){
draw_streamlines(vbo[i], shader, sizes[i] * 4.0 * sizeof(GLfloat));
}
}
}
void
_DisplayFunc()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// render the scene
draw_streamlines();
// NOTE: Call glutSwapBuffers() at the end of your display function
glutSwapBuffers();
}
void display()
{
glEnable(GL_DEPTH_TEST);
glClearColor(1,1,1,1);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60, 1, .1, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,5,0,0,0,0,1,0);
glRotatef(x_angle, 0, 1,0);
glRotatef(y_angle, 1,0,0);
glScalef(scale_size, scale_size, scale_size);
if (toggle_draw_streamlines == true)
draw_streamlines();
else if (toggle_animate_streamlines == true)
animate_streamlines();
glPushMatrix();
glScalef(1.0, len[1]/len[0], len[2]/len[0]);
draw_cube(0,0,1);
glPopMatrix();
glBegin(GL_LINES);
glColor3f(1,0,0);
glVertex3f(0,0,0);
glVertex3f(1,0,0);
glColor3f(0,1,0);
glVertex3f(0,0,0);
glVertex3f(0,1,0);
glColor3f(0,0,1);
glVertex3f(0,0,0);
glVertex3f(0,0,1);
glEnd();
glutSwapBuffers();
}
void
_DisplayFunc()
{
//glClearColor(1,1,1,1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// render the scene
draw_streamlines();
//glPushMatrix();
//glScalef(len[0]/len[2], len[1]/len[2], 1.f);
//draw_cube(0,0,1);
//glPopMatrix();
// NOTE: Call glutSwapBuffers() at the end of your display function
glutSwapBuffers();
}
void display()
{
GLfloat lightPosition[4] = { -15.0f, -15.0f, 5.0f, 1.0f };
glEnable(GL_DEPTH_TEST);
glClearColor(1,1,1,1);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60, 1, 1, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
gluLookAt(0,0,5,0,0,0,0,1,0);
glRotatef(x_angle, 0, 1,0);
glRotatef(y_angle, 1,0,0);
glScalef(scale_size, scale_size, scale_size);
draw_streamlines();
/* glTranslatef(0,0,-1);
//if (toggle_draw_streamlines == true)
drawBounds_inner();
glDepthMask(GL_FALSE);
drawBounds_outter();
glDepthMask(GL_TRUE);
*/
//draw_triangulation();
// else if (toggle_animate_streamlines == true)
// animate_streamlines();
//printf(" len %f %f %f\n", len[0], len[1], len[2]);
/*
glPushMatrix();
glScalef(1/(float)len[0], 1/(float)len[0], 1/(float)len[0]);
//glScalef(1/110,1/110,1/110);
glTranslatef(-len[0]/2.0, -len[1]/2.0, -len[2]/2.0);
glColor3f(1,1,1);
glBegin(GL_LINES);
glVertex3f(0,0,0);
glVertex3f(len[0],0,0);
glVertex3f(0,0,0);
glVertex3f(0,len[1],0);
glVertex3f(0,0,0);
glVertex3f(0,0,1);
glVertex3f(len[0],len[1],0);
glVertex3f(len[0],0,0);
glVertex3f(len[0],len[1],0);
glVertex3f(0,len[1],0);
glEnd();
glPopMatrix();
*/
glutSwapBuffers();
}
