info/BezierInfo-2
1
0
Fork 0
mirror of https://github.com/Pomax/BezierInfo-2.git synced 2025-08-20 23:41:49 +02:00
Code Issues Releases Wiki Activity

splines + slider refinement

Browse Source
This commit is contained in:
Pomax
2020-09-06 09:08:11 -07:00
parent 9434a71d34
commit 1de1fc9ce3
21 changed files with 324 additions and 258 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
docs/chapters/bsplines/reduced.js
View File

@@ -8,6 +8,27 @@ setup() {
});
}
setMovable(points);
knots = new BSpline(this, points).formKnots(!!this.parameters.open);
const m = round(points.length/2);
knots[m+1] = knots[m];
knots[m+2] = knots[m];
for (let i=m+3; i<knots.length; i++) {
knots[i] = knots[i-1] + 1;
}
let min=0, max=knots.length-1;
knots.forEach((_,i) => {
addSlider(`slide-control`, false, min, max, 0.01, knots[i], v => this.setKnotValue(i, v));
});
}
setKnotValue(i, v) {
if (i>0 && v < knots[i-1]) throw {value: knots[i-1]};
if (i<knots.length-1 && v > knots[i+1]) throw {value: knots[i+1]};
knots[i] = v;
redraw();
}
draw() {
@@ -30,16 +51,8 @@ draw() {
}
drawSplineData() {
const spline = new BSpline(this, points, !!this.parameters.open);
const knots = spline.formKnots();
const m = round(points.length/2)|0;
knots[m+0] = knots[m];
knots[m+1] = knots[m];
knots[m+2] = knots[m];
for (let i=m+3; i<knots.length; i++) {
knots[i] = knots[i-1] + 1;
}
const spline = new BSpline(this, points);
spline.knots = knots;
noFill();
setStroke(`black`);