// routine to prepare the displayable object; must set the origin properly
void Stage::prepare() {
float rot_amount = 0.0, strans[3];
char rot_axes = 'z';
strans[0] = strans[1] = strans[2] = 0.0;
// move the stage to its proper position
if (need_update && stagePos != NO_STAGE) {
if (stagePos == STAGE_ORIGIN) {
;
} else if(stagePos == STAGE_LOWER) {
strans[1] = -1.0;
} else if(stagePos == STAGE_UPPER) {
strans[1] = 1.0;
} else if(stagePos == STAGE_LEFT) {
strans[0] = -1.0;
rot_amount = -90.0;
} else if(stagePos == STAGE_RIGHT) {
strans[0] = 1.0;
rot_amount = 90.0;
} else if(stagePos == STAGE_BEHIND) {
strans[2] = -1.0;
rot_axes = 'x';
rot_amount = 90.0;
} else {
msgErr << "Stage: Illegal stage location " << stagePos << " specified."
<< sendmsg;
stagePos = STAGE_ORIGIN;
return;
}
// update the current transformation
need_update = FALSE;
// (re)create the command list
create_cmdlist();
// reset tranformation
glob_trans_on();
rot_on();
reset_transformation();
set_glob_trans(strans[0], strans[1], strans[2]);
add_rot(rot_amount, rot_axes);
rot_off();
glob_trans_off();
}
}
FPS::FPS(DisplayDevice *d, Displayable *par)
: Displayable(par), disp(d) {
last_update = time_of_day(); // setup time of day with initial value
loop_count = 0;
// disable transformations on this displayable
rot_off();
glob_trans_off();
cent_trans_off();
scale_off();
// set the text color category, index, etc.
colorCat = scene->add_color_category("Display");
if (colorCat < 0)
colorCat = scene->category_index("Display");
usecolor = scene->add_color_item(colorCat, "FPS", REGWHITE);
do_color_changed(colorCat);
}
// routine to prepare the displayable object; must set the origin properly
void Axes::prepare() {
float asp, xpos, ypos;
float poscale = 0.95f;
// recreate command list if needed
if (need_create_cmdlist)
create_cmdlist();
if (axesPos == NO_AXES || movedAxes) {
return; // don't update/modify the Axes position
}
if ((asp = disp->aspect()) != Aspect) {
// move the axes to their proper position
switch (axesPos) {
case AXES_LOWERLEFT:
xpos = -poscale * asp;
ypos = -poscale;
break;
case AXES_LOWERRIGHT:
xpos = poscale * asp;
ypos = -poscale;
break;
case AXES_UPPERLEFT:
xpos = -poscale * asp;
ypos = poscale;
break;
case AXES_UPPERRIGHT:
xpos = poscale * asp;
ypos = poscale;
break;
default:
xpos = ypos = 0.0;
}
// update the current transformation
Aspect = asp;
glob_trans_on();
set_glob_trans(xpos, ypos, 0.0);
glob_trans_off();
}
}
Stage::Stage(Displayable *disp) : Displayable(disp) {
// Displayable characteristics
rot_off();
scale_off();
glob_trans_off();
cent_trans_off();
// put stage in lower part of image by default
Panels = 0;
panels(STAGE_PANELS); // really sets the panels, and panel size
stagePos = STAGEPOS_TOTAL; // (inits value so purify doesn't complain)
location(NO_STAGE); // position the stage
colorCat = scene->add_color_category("Stage");
scene->add_color_item(colorCat, "Even", STAGEEVENCOL);
scene->add_color_item(colorCat, "Odd", STAGEODDCOL);
do_color_changed(colorCat);
}
// called when a pick moves:
// args = display to use, obj picked, button, mode, tag, dim, pos
// For 2D version: x & y are 0 ... 1, represent 'relative, scaled' coords.
// For 3D version: x,y,z are transformed position of pointer
// For the Axes, when they are selected and the pointer moves, we wish
// to move the axes as well.
void Axes::pick_move(PickMode *, DisplayDevice *d,
int, int dim, const float *pos) {
float moveAxesOrigPos[3], newAxesOrigPos[3];
const float *newpos;
// calculate amount to translate axes
if (dim == 2) {
tm.multpoint3d(origin, moveAxesOrigPos);
d->find_3D_from_2D(moveAxesOrigPos, pos, newAxesOrigPos);
newpos = newAxesOrigPos;
} else {
newpos = pos;
}
// apply transformation
glob_trans_on();
set_glob_trans(newpos[0], newpos[1], newpos[2]);
glob_trans_off();
movedAxes = TRUE;
}
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();
}
