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finished molding

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Pomax
2020-09-01 15:54:50 -07:00
parent fbec463127
commit fc13f64451
84 changed files with 789 additions and 795 deletions
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19
docs/chapters/abc/abc.js
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@@ -45,10 +45,10 @@ draw() {
line(p1.x, p1.y, p2.x, p2.y);
}
this.drawABCdata(t, A, B, C);
this.drawABCdata(t, A, B, C, hull);
}
drawABCdata(t, A, B, C) {
drawABCdata(t, A, B, C, hull) {
// show the lines between the A/B/C values
setStroke(`#00FF00`);
line(A.x, A.y, B.x, B.y);
@@ -59,10 +59,23 @@ drawABCdata(t, A, B, C) {
// with their associated labels
setFill(`black`);
text(`Using t = ${t.toFixed(2)}`, this.width/2, 10, CENTER);
setTextStroke(`white`, 4);
text(`A`, 10 + A.x, A.y);
text(`B (t = ${t.toFixed(2)})`, 10 + B.x, B.y);
text(`B`, 10 + B.x, B.y);
text(`C`, 10 + C.x, C.y);
if(curve.order === 2) {
text(`e1`, hull[3].x, hull[3].y+3, CENTER);
text(`e2`, hull[4].x, hull[4].y+3, CENTER);
} else {
text(`e1`, hull[7].x, hull[7].y+3, CENTER);
text(`e2`, hull[8].x, hull[8].y+3, CENTER);
text(`v1`, hull[4].x, hull[4].y+3, CENTER);
text(`v2`, hull[6].x, hull[6].y+3, CENTER);
}
// and show the distance ratio, which we see does not change irrespective of whether A/B/C change.
const d1 = dist(A.x, A.y, B.x, B.y);
const d2 = dist(B.x, B.y, C.x, C.y);