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rv:: tricenter: Nagel point

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Zeno Rogue
2026-04-12 18:35:41 +02:00
parent 9e3cd8de19
commit efcf764742
1 changed files with 9 additions and 3 deletions
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12
rogueviz/tricenter.cpp
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@@ -36,12 +36,12 @@ hyperpoint perpendicular_drop(hyperpoint A, hyperpoint B, hyperpoint X) {
return X;
}
hyperpoint d1(hyperpoint A, hyperpoint B) {
hyperpoint d1(hyperpoint A, hyperpoint B, ld d = 1.5) {
hyperpoint X;
if(1) {
simplifier s1(gpushxto0(A), {&A, &B}, {&X});
simplifier s2(spintox(B), {&A, &B}, {&X});
X = xpush0(1.5);
X = xpush0(d);
}
return X;
}
@@ -169,13 +169,19 @@ void tricenter() {
markseg(A, A6, 0x8000FFFF); markseg(B, B6, 0x8000FFFF); markseg(C, C6, 0x8000FFFF);
markpoint(D6, 0x8000FF); */
hyperpoint C7 = perpendicular_drop(A, B, D1);
/* hyperpoint C7 = perpendicular_drop(A, B, D1);
hyperpoint A7 = perpendicular_drop(B, C, D1);
hyperpoint B7 = perpendicular_drop(C, A, D1);
hyperpoint D7 = linecross3(A, A7, B, B7, C, C7, "Gergonne point");
markseg(A, A7, 0xC06040FF); markseg(B, B7, 0xC06040FF); markseg(C, C7, 0xC06040FF);
markpoint(D7, 0xC06040);
hyperpoint A8 = d1(B, C, (hdist(A, C) + hdist(B, C) - hdist(A, B)) / 2);
hyperpoint B8 = d1(C, A, (hdist(B, A) + hdist(C, A) - hdist(B, C)) / 2);
hyperpoint C8 = d1(A, B, (hdist(C, B) + hdist(A, B) - hdist(C, A)) / 2);
hyperpoint D8 = linecross3(A, A8, B, B8, C, C8, "Nagel point");
markseg(A, A8, 0x9090E0FF); markseg(B, B8, 0x9090E0FF); markseg(C, C8, 0x9090E0FF);
markpoint(D8, 0x9090E0);
}
void enable() {