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added toscrcoord function to convert applymodel result to screen coordinates

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Zeno Rogue 2025-03-07 00:08:36 +01:00
parent 5d21436f17
commit 172bd3bcd9
1 changed files with 11 additions and 2 deletions
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13
hypgraph.cpp
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@ -1788,6 +1788,15 @@ EX bool invalid_point(const hyperpoint h) {
EX bool invalid_point(const shiftpoint h) { return invalid_point(h.h); }
/** convert the result of applymodel to on-screen coordinates */
EX hyperpoint toscrcoord(hyperpoint h1) {
hyperpoint h2;
h2[0] = current_display->xcenter + current_display->radius * h1[0];
h2[1] = current_display->ycenter + current_display->radius * h1[1] * pconf.stretch;
h2[2] = h1[2];
return h2;
}
EX bool in_smart_range(const shiftmatrix& T) {
shiftpoint h = tC0(T);
if(invalid_point(h)) return false;
@ -1798,8 +1807,8 @@ EX bool in_smart_range(const shiftmatrix& T) {
hyperpoint h1;
applymodel(h, h1);
if(invalid_point(h1)) return false;
ld x = current_display->xcenter + current_display->radius * h1[0];
ld y = current_display->ycenter + current_display->radius * h1[1] * pconf.stretch;
auto hscr = toscrcoord(h1);
auto& x = hscr[0], y = hscr[1];
bool inp = in_perspective();