The avatar for @machine-agency
Machine Agency
Public
Edited
Apr 15, 2024
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// does not take into account sharp corners or anything yet
function computeVelocity(toolpath, rampSpeed, maxVelocity) {
let result = [];

let currentTime = 0;
let currentVelocity = 0;

for (let i = 0; i < toolpath.length - 1; i++) {
let distance = Math.sqrt(
Math.pow(toolpath[i + 1].x - toolpath[i].x, 2) +
Math.pow(toolpath[i + 1].y - toolpath[i].y, 2)
);

let timeToReach = distance / rampSpeed;

// Acceleration phase
while (currentVelocity < maxVelocity && currentTime < timeToReach) {
result.push({ time: currentTime, velocity: currentVelocity });
currentVelocity += rampSpeed * 0.01; // Small time step for smoother plot
currentTime += 0.01;
}

// Constant velocity phase
while (currentTime < timeToReach) {
result.push({ time: currentTime, velocity: maxVelocity });
currentTime += 0.01;
}
}

return result;
}
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points = computeVelocity(starPoints, rampSpeed, maxVelocity)
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Plot.plot({
marks: [
Plot.line(points, {
x: "time",
y: "velocity"
})
]
})
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