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Code Issues Releases Wiki Activity

circle refinement

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Pomax
2020-11-21 11:10:31 -08:00
parent c4a729140b
commit 94a5ea879d
84 changed files with 313 additions and 260 deletions
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17
docs/chapters/circleintersection/circle.js
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@@ -5,7 +5,7 @@ let curve;
setup() {
curve = Bezier.defaultCubic(this);
setMovable(curve.points);
setSlider(`.slide-control`, `radius`, 102);
setSlider(`.slide-control`, `radius`, 70);
}
draw() {
@@ -86,9 +86,18 @@ findClosest(x, y, LUT, pd2, pd1, distanceEpsilon = 5) {
drawProjection(x, y, LUT, i) {
let B = refineBinary(curve, x, y, LUT, i, this.radius);
setColor(`rgba(100,100,255)`);
circle(B.x, B.y, 3);
line(B.x, B.y, x, y);
// Our initial guess might actually not be close enough,
// so it's possible that after binary refining, it turns
// out the local minimum is actually still too far away
// to count. In that case B will be undefined, so we need
// to make sure to check before we draw it.
if (B) {
setColor(`rgba(100,100,255)`);
circle(B.x, B.y, 3);
line(B.x, B.y, x, y);
}
}
onMouseMove() {