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Code Issues Releases Wiki Activity

regenerated all images

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Pomax
2020-09-06 17:23:52 -07:00
parent 17c50a403b
commit 42b9818441
66 changed files with 407 additions and 328 deletions
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7
docs/chapters/reordering/reorder.js
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@@ -23,6 +23,8 @@ bindButtons() {
draw() {
clear();
setStroke(`lightgrey`);
drawGrid(20);
this.drawCurve();
}
@@ -31,6 +33,7 @@ drawCurve() {
// And the canvas only does 2nd and 3rd - we use de Casteljau's algorithm:
start();
noFill();
setStroke(`black`);
for(let t=0; t<=1; t+=0.01) {
let q = JSON.parse(JSON.stringify(points));
while(q.length > 1) {
@@ -113,9 +116,9 @@ lower() {
// And then we map our k-order list of coordinates
// to an n-order list of coordinates, instead:
const V = Mi.multiply(Mt);
const x = new Matrix(pts.map(p => [p.x]));
const x = new Matrix(points.map(p => [p.x]));
const nx = V.multiply(x);
const y = new Matrix(pts.map(p => [p.y]));
const y = new Matrix(points.map(p => [p.y]));
const ny = V.multiply(y);
points = nx.data.map((x,i) => ({