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Code Issues Releases Wiki Activity

catmull rom

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Pomax
2020-09-03 20:08:21 -07:00
parent bb5adcaebd
commit d2992ebd15
31 changed files with 417 additions and 353 deletions
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25
docs/chapters/control/lerp.js
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@@ -22,27 +22,15 @@ setup() {
this.f = [...new Array(degree + 1)].map((_,i) => {
return t => ({
x: t * w,
y: h * this.binomial(degree,i) * (1-t) ** (degree-i) * t ** (i)
y: h * binomial(degree,i) * (1-t) ** (degree-i) * t ** (i)
});
});
}
this.s = this.f.map(f => plot(f, 0, 1, degree*4) );
this.s = this.f.map(f => plot(f, 0, 1, degree*5) );
setSlider(`.slide-control`, `position`, 0)
}
binomial(n,k) {
if (!this.triangle[n]) {
while(!this.triangle[n]) {
let last = this.triangle.slice(-1)[0];
let next = last.map((v,i) => v + last[i+1]);
next.pop();
this.triangle.push([1, ...next, 1]);
}
}
return this.triangle[n][k];
}
draw() {
clear();
setFill(`black`);
@@ -54,8 +42,13 @@ draw() {
noFill();
this.s.forEach(s => {
setStroke( randomColor() );
this.s.forEach((s,i) => {
setStroke( randomColor(0.2));
line(
i/(this.s.length-1) * this.width, 0,
i/(this.s.length-1) * this.width, this.height
)
setStroke( randomColor(1.0, false ));
drawShape(s);
})