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const controls = [ | |
[[10, 10], true], | |
[[50, 10], time < .1], | |
[[10, 50], time < .25], | |
[[50, 50], time > .5], | |
[[10, 90], time > .6], | |
[[50, 90], time > .8], | |
[[90, 50], time < .7], | |
[[90, 10], true], | |
] |
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r = merge([ | |
circle([25, 50], 20), | |
line([50, 40], [50, 60]), | |
unarc(circle([75, 50], 20)) | |
]) | |
debug(r, '#eee', .5) | |
p = point(r, {curveIndex: 2, segmentIndex: 0, unit: -time}) |
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c = subdiv(circle([50, 50], 40), 10) | |
w = spawn(c, (s, i) => { | |
dir = i % 2 === 0 ? 0 : 1 | |
t = sin((i / segmentCount(c) * 2 + time) * 360) | |
p0 = Segment.point(s, 0) | |
p1 = Segment.point(s, 1) | |
n0 = vec2.rotate(Segment.normal(s, 0), t * 73) |
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c = subdiv(circle([50, 50], 40), 10) | |
w = spawn(c, (s, i) => { | |
dir = i % 2 === 0 ? 0 : 1 | |
t = sin((i / segmentCount(c) * 2 + time) * 360) | |
p0 = Segment.point(s, 0) | |
p1 = Segment.point(s, 1) | |
n0 = vec2.rotate(Segment.normal(s, 0), t * 73) |
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c = transform( | |
subdiv(arc([50, 50], 20, 0, 720), 6), | |
mat2d.rotation(time * 120, [50, 50]) | |
) | |
w = spawn(c, (s, i) => { | |
t = sinwave(i / segmentCount(c) * 3 - time) | |
dir = i % 2 === 0 ? 1 : -1 | |
p0 = Segment.point(s, 0) |
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r = ngon([50, 50], 40, 4) | |
r = subdivide(r, 6) | |
r = spawn(r, (seg, i) => | |
arcByPointsAngle( | |
seg.start, | |
seg.point, | |
scalar.sin(/*0*/time * 360/**/) | |
* 180 * (i % 2 ? 1 : -1) | |
) | |
) |
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p = ellipse([50, 50], [40, 30]) | |
debug(p, 'wheat') | |
p = trim( | |
p, | |
sinwave(time), | |
coswave(time) | |
) |
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const c = Path.circle([50, 50], 45) | |
const cs = Path.subdiv(c, 5) | |
const p = Path.spawnVertex(cs, (s, i) => { | |
const t = scalar.coswave(i / 10 + time) | |
return Path.arcFromPointsAndAngle( | |
s.start, | |
s.point, | |
scalar.mix(36, -230, t) | |
).curves[0].vertices[1] |
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const p = Path.arc( | |
[50, 50], // center | |
40, // radius | |
-90, | |
180, // angle range | |
time < 0.25 | |
? {count: Math.ceil(time * 4 * 8 + 1)} | |
: time < 0.5 | |
? {align: 'uniform', step: scalar.fit(time, 0.25, 0.5, 90, 12.5)} | |
: time < 0.75 |
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const start = [80, 10] | |
const through = [50 + scalar.sin(time * 360) * 30, 50] | |
const end = [30, 90] | |
const arc = Path.arcFromPoints(start, through, end) | |
debug(arc, '#000') | |
dot(through, 'blue') |
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