in src/app/pages/game/helpers/hand-renderer.ts [41:48]
function drawFinger(ctx: CanvasRenderingContext2D, keypoints: number[][]) {
const pathPoints = [];
for (let i = 0; i < keypoints.length; i++) {
drawPoint(ctx, keypoints[i][0], keypoints[i][1]);
pathPoints.push(keypoints[i]);
}
drawPath(ctx, pathPoints);
}