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rogueviz::hypocycloid:: the other hemisphere

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This commit is contained in:
Zeno Rogue 2021-02-18 15:54:00 +01:00
parent 16259b66c9
commit 4f0d4b8b4e
1 changed files with 9 additions and 1 deletions
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10
rogueviz/hypocycloid.cpp
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@ -55,12 +55,20 @@ void circ_frame() {
circ2 = sin_auto(2*min);
}
ld rad1 = asin_auto(circ1);
ld rad2 = asin_auto(circ2);
dynamicval<ld> d(circ2);
if(circ2 > 1) {
/* circumference between 1 and 2 means the other hemisphere */
circ2 = 2 - circ2;
rad2 = M_PI - asin_auto(circ2);
}
vid.linewidth *= lw;
shiftmatrix at = shiftless(Id) * xpush(xdist);
shiftmatrix at = ggmatrix(cwt.at) * xpush(xdist);
ld kdegree = 2 * M_PI / prec;