////////////////////////// constructor
Axes::Axes(DisplayDevice *d, Displayable *par) : Displayable(par), disp(d) {
colorCat = (-1); // indicate we don't yet have a color object to use
need_create_cmdlist = TRUE;
movedAxes = FALSE;
// initialize coordinates for axes lines
origin[0] = yLine[0] = zLine[0] = 0.0;
xLineCap[1] = xLineCap[2] = 0.0;
xLine[0] = AXESRODLEN; xLineCap[0] = 1.0;
origin[1] = xLine[1] = zLine[1] = 0.0;
yLineCap[0] = yLineCap[2] = 0.0;
yLine[1] = AXESRODLEN; yLineCap[1] = 1.0;
origin[2] = xLine[2] = yLine[2] = 0.0;
zLineCap[0] = zLineCap[1] = 0.0;
zLine[2] = AXESRODLEN; zLineCap[2] = 1.0;
xText[0] = AXESTXTLEN * xLine[0]; xText[1] = xLine[1]; xText[2] = xLine[2];
yText[1] = AXESTXTLEN * yLine[1]; yText[0] = yLine[0]; yText[2] = yLine[2];
zText[2] = AXESTXTLEN * zLine[2]; zText[0] = zLine[0]; zText[1] = zLine[1];
// Displayable characteristics
rot_on();
glob_trans_off();
cent_trans_off();
// set scaling factor to a small amount
scale_on();
set_scale(0.25);
scale_off();
// put axes in lower left corner by default
axesPos = AXES_LOWERLEFT;
Aspect = (-1.0);
colorCat = scene->add_color_category("Axes");
// add components, and their default colors
scene->add_color_item(colorCat, "X", AXESXCOL);
scene->add_color_item(colorCat, "Y", AXESYCOL);
scene->add_color_item(colorCat, "Z", AXESZCOL);
scene->add_color_item(colorCat, "Origin", AXESOCOL);
scene->add_color_item(colorCat, "Labels", AXESTCOL);
do_color_changed(colorCat);
}
void VMDTitle::prepare() {
double elapsed = time_of_day() - starttime;
double delta;
// Prevent the title screen from hogging the CPU/GPU when there's
// nothing else going on. This is particularly important for users
// that start VMD and immediately start using Multiseq with no structure
// data loaded at all.
vmd_msleep(1); // sleep for 1 millisecond or more
if (elapsed < 5 + 3) { // display the title screen, no animation
if (!letterson) {
letterson = TRUE;
redraw_list();
}
return;
}
elapsed -= 3;
if (letterson) {
letterson = FALSE;
redraw_list();
}
if (elapsed < 30) { // just spin the VMD logo
delta = elapsed - 5;
rot_on();
set_rot(solve_position((float) delta, 25.0f, 0.0f, 360.0f*8.0f), 'y');
rot_off();
}
if (elapsed < 15) {
delta = elapsed - 5;
scale_on();
set_scale( 1.0f/(1.0f+ ((float) delta)/3.0f)); // and getting smaller
scale_off();
glob_trans_on();
// and moving up
set_glob_trans(0, 0.5f, solve_position((float) delta, 10.0f, 0.0f, 0.5f));
glob_trans_off();
return;
}
if (elapsed < 20) {
return;
}
// I am at ( 0 , 0.5, 0.5)
// I want to get to ( -.7 , 0.9 , 0.5) in 10 secs
if (elapsed < 30) {
delta = elapsed - 20;
glob_trans_on();
set_glob_trans(
solve_position((float) delta, 10.0f, 0.0f, -0.6f * disp->aspect()),
solve_position((float) delta, 10.0f, 0.5f, 0.8f),
solve_position((float) delta, 10.0f, 0.5f, 0.5f));
glob_trans_off();
scale_on();
set_scale(solve_position((float) delta, 10.0f, 1.0f/(1.0f+10.0f/3.0f), 0.25f));
scale_off();
return;
}
if (elapsed < 35)
return;
// just spin the VMD logo
delta = elapsed - 35;
rot_on();
set_rot((float) delta * 360.0f / 6.0f, 'y');
rot_off();
}
