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fix for cubic tangent

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Pomax
2020-11-27 11:52:55 -08:00
parent 43fc3613b0
commit d872b9f89e
11 changed files with 21 additions and 21 deletions
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2
docs/chapters/pointvectors/pointvectors.js
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@@ -69,7 +69,7 @@ getQuadraticDerivative(t, points) {
}
getCubicDerivative(t, points) {
let mt = (1 - t), a = mt*mt, b = mt*t, c = t*t, d = [
let mt = (1 - t), a = mt*mt, b = 2*mt*t, c = t*t, d = [
{
x: 3 * (points[1].x - points[0].x),
y: 3 * (points[1].y - points[0].y)