static int motion_cb(Ihandle *ih,int x,int y,char* status)
{
(void)status;
if (move)
{
double dif_x, dif_y;
double dx, dy, dz;
double x1, y1, z1;
double x2, y2, z2;
double angle, norma;
int height = IupGetInt2(ih, "RASTERSIZE");
double mv[16];
double pm[16];
int vp[4];
IupGLMakeCurrent(ih);
glGetDoublev(GL_MODELVIEW_MATRIX, mv);
glGetDoublev(GL_PROJECTION_MATRIX, pm);
glGetIntegerv(GL_VIEWPORT, vp);
dif_x = x - pos_x;
dif_y = y - pos_y;
if (dif_x == 0 && dif_y == 0)
return IUP_DEFAULT;
pos_x = x;
pos_y = y;
angle = sqrt(dif_x*dif_x + dif_y*dif_y);
gluUnProject(pos_x, INVERT_Y(pos_y), 0.0,
mv, pm, vp,
&x1, &y1, &z1);
gluUnProject((double)(dif_y + pos_x), (double)(dif_x + INVERT_Y(pos_y)), 0.0,
mv, pm, vp,
&x2, &y2, &z2);
dx = x2-x1; dy = y2-y1; dz = z2-z1;
norma = sqrt(dx*dx + dy*dy + dz*dz);
dx /= norma; dy /= norma; dz /= norma;
glMatrixMode(GL_MODELVIEW);
glTranslated(0.5, 0.5, 0.5);
glRotated (angle, dx, dy, dz);
glTranslated(-0.5, -0.5, -0.5);
glGetDoublev(GL_MODELVIEW_MATRIX, model_view_matrix);
use_model_matrix = 1;
draw_cube();
IupGLSwapBuffers(ih);
}
return IUP_DEFAULT;
}
static int motion_cb(Ihandle *ih,int x,int y,char* status)
{
(void)status;
if (move)
{
double dif_x, dif_y;
double dx, dy, dz;
double x1, y1, z1;
double x2, y2, z2;
double angle, norma;
int height = IupGetInt2(ih, "RASTERSIZE");
IupGLMakeCurrent(ih);
dif_x = x - pos_x;
dif_y = y - pos_y;
pos_x = x;
pos_y = y;
angle = sqrt(dif_x*dif_x + dif_y*dif_y);
unproject (pos_x, INVERT_Y(pos_y), &x1, &y1, &z1);
unproject ((double)(dif_y+pos_x), (double)(dif_x+INVERT_Y(pos_y)), &x2, &y2, &z2);
dx = x2-x1; dy = y2-y1; dz = z2-z1;
norma = sqrt(dx*dx + dy*dy + dz*dz);
dx /= norma; dy /= norma; dz /= norma;
glTranslated(0.5, 0.5, 0.5);
glRotated (angle, dx, dy, dz);
glTranslated(-0.5, -0.5, -0.5);
draw_cube();
glFlush();
IupGLSwapBuffers(ih);
}
return IUP_DEFAULT;
}
void Beetle::drawUpdate() {
if (!_data)
error("Beetle::drawUpdate: sequences have not been loaded!");
if (_data->frame != NULL) {
getScenes()->setCoordinates(_data->frame);
getScenes()->removeFromQueue(_data->frame);
}
// Update current frame
switch (_data->indexes[_data->offset]) {
default:
_data->currentFrame += 10;
break;
case 3:
case 6:
case 9:
case 12:
case 15:
case 18:
case 21:
case 24:
case 25:
case 26:
case 27:
case 28:
_data->currentFrame++;
break;
}
// Update current sequence
if (_data->currentSequence->count() <= _data->currentFrame) {
switch (_data->indexes[_data->offset]) {
default:
_data->offset++;
_data->currentSequence = _data->sequences[_data->indexes[_data->offset]];
break;
case 3:
case 6:
case 9:
case 12:
case 15:
case 18:
case 21:
break;
}
_data->currentFrame = 0;
if (_data->indexes[_data->offset] == 29) {
SAFE_DELETE(_data->frame);
_data->currentSequence = NULL; // pointer to existing sequence
return;
}
}
// Update coordinates
switch (_data->indexes[_data->offset]) {
default:
break;
case 0:
_data->coordY -= _data->coordOffset;
break;
case 3:
_data->coordX += _data->coordOffset;
_data->coordY -= _data->coordOffset;
break;
case 6:
_data->coordX += _data->coordOffset;
break;
case 9:
_data->coordX += _data->coordOffset;
_data->coordY += _data->coordOffset;
break;
case 12:
_data->coordY += _data->coordOffset;
break;
case 15:
_data->coordX -= _data->coordOffset;
_data->coordY += _data->coordOffset;
break;
case 18:
_data->coordX -= _data->coordOffset;
break;
case 21:
_data->coordX -= _data->coordOffset;
_data->coordY -= _data->coordOffset;
break;
}
// Update beetle data
int rnd = rnd(100);
if (_data->coordX < 165 || _data->coordX > 465) {
uint index = 0;
if (rnd >= 30) {
if (rnd >= 70)
index = (_data->coordX < 165) ? 9 : 15;
else
index = (_data->coordX < 165) ? 6 : 18;
} else {
index = (_data->coordX < 165) ? 3 : 21;
}
updateData(index);
}
if (_data->coordY < 178) {
switch (_data->indexes[_data->offset]) {
default:
updateData(26);
break;
case 3:
updateData(25);
break;
case 21:
updateData(27);
break;
}
}
if (_data->coordY > 354) {
switch (_data->indexes[_data->offset]) {
default:
break;
case 9:
case 12:
case 15:
updateData(28);
break;
}
}
#define INVERT_Y() \
switch (_data->indexes[_data->offset]) { \
default: \
break; \
case 24: \
case 25: \
case 26: \
case 27: \
case 28: \
_data->coordY = -_data->coordY; \
break; \
}
// Invert direction
INVERT_Y();
SequenceFrame *frame = new SequenceFrame(_data->currentSequence, (uint16)_data->currentFrame);
updateFrame(frame);
INVERT_Y();
getScenes()->addToQueue(frame);
SAFE_DELETE(_data->frame);
_data->frame = frame;
}
