this rename is absolutely stupid

docs/chapters/decasteljau/decasteljau.js

@@ -0,0 +1,30 @@
+let curve;
+
+setup() {
+  curve = new Bezier(this, 90, 200, 25, 100, 220, 40, 210, 240);
+  setMovable(curve.points);
+}
+
+draw() {
+  clear();
+  curve.drawSkeleton();
+  curve.drawCurve();
+
+  setStroke("rgb(200,100,100)");
+
+  let dim = this.height;
+  let t = this.cursor.x / dim;
+  curve.drawStruts(t);
+  curve.drawPoints();
+
+  let p = curve.get(t);
+  circle(p.x, p.y, 5);
+
+  let perc = (t*100)|0;
+  t = perc/100;
+  text(`Sequential interpolation for ${perc}% (t=${t})`, 10, 15);
+}
+
+onMouseMove() {
+  redraw();
+}