Created
December 6, 2021 17:25
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export function windMouse(start: Coordinates, dest: Coordinates, G0: number = 9, W0: number = 3, M0: number = 15, D0: number = 12): Coordinates[] { | |
let startX = start.x; | |
let startY = start.y; | |
const destX = dest.x; | |
const destY = dest.y; | |
let currentX = startX | |
let currentY = startY | |
let vX = 0, vY = 0, Wx = 0, Wy = 0 | |
const coordinates : Coordinates[] = []; | |
while (true) { | |
let dist = Math.hypot(destX - startX, destY - startY); | |
if (dist < 1) break; | |
let Wmag = Math.min(W0, dist); | |
if (dist >= D0) { | |
Wx = Wx / sqrt3 + (2 * Math.random() - 1) * Wmag / sqrt5; | |
Wy = Wy / sqrt3 + (2 * Math.random() - 1) * Wmag / sqrt5; | |
} else { | |
Wx /= sqrt3 | |
Wy /= sqrt3 | |
if (M0 < 3) { | |
M0 = Math.random() * 3 + 3; | |
} else { | |
M0 /= sqrt3 | |
} | |
} | |
vX += Wx + G0 * (destX - startX) / dist | |
vY += Wy + G0 * (destY - startY) / dist | |
let vMag = Math.hypot(vX, vY); | |
if (vMag > M0) { | |
let vClip = M0 / 2 + Math.random() * M0 / 2; | |
vX = (vX / vMag) * vClip; | |
vY = (vY / vMag) * vClip; | |
} | |
startX += vX | |
startY += vY | |
let moveX = Math.round(startX) | |
let moveY = Math.round(startY) | |
if (currentX != moveX || moveY != currentY) { | |
currentX = moveX | |
currentY = moveY | |
coordinates.push({x: currentX, y: currentY}); | |
} | |
} | |
return coordinates; | |
} |
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