refined keyframeview and curveview

2021-12-15 19:45:04 -08:00
parent 1644b9e4c1
commit bf196e790b
33 changed files with 1013 additions and 1777 deletions
@@ -58,6 +58,10 @@ double Bezier::CalculateTFromX(bool cubic, double x, double a, double b, double
  double top = 1.0;

  while (true) {
+    if (bottom == top) {
+      return bottom;
+    }
+
    double mid = (bottom + top) * 0.5;
    double test = cubic ? CubicTtoY(a, b, c, d, mid) : QuadraticTtoY(a, b, c, mid);