getPointInArcT • tldraw Docs

Returns the t value of the point on the arc.

function getPointInArcT(mAB: number, A: number, B: number, P: number): number

Name	Description
`mAB`	`number` The measure of the arc from A to B, negative if counter-clockwise
`A`	`number` The angle from center to arc's start point (A) on the circle
`B`	`number` The angle from center to arc's end point (B) on the circle
`P`	`number` The angle on the circle (P) to find the t value for

number

The t value of the point on the arc, with 0 being the start and 1 being the end