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fix: limit bisection method iterations

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delta2force 2024-09-19 16:52:53 +02:00
parent 0407f9f91e
commit 1077ba0a4d
1 changed files with 3 additions and 1 deletions
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4
kitty/animation.c
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@ -135,12 +135,14 @@ solve_curve_x(const BezierParameters *p, double x, double epsilon) {
if (fabs(x2) < epsilon) return t2;
// Fall back to the bisection method for reliability.
while (t0 < t1) {
size_t iteration = 0;
while (t0 < t1 && iteration < 5) {
x2 = sample_curve_x(p, t2);
if (fabs(x2 - x) < epsilon) return t2;
if (x > x2) t0 = t2;
else t1 = t2;
t2 = (t1 + t0) * .5;
++iteration;
}
// Failure.