IT Log

Record various IT issues and difficulties.

Tag: counterclockwise


  • How to Determine Whether a Point Is Within a Sector in JavaScript?

    To determine if a point lies on an arc when moving counterclockwise (CCW) from one point to another on a circle, follow these steps: Understand Angle Measurement: Angles increase in the CCW direction on a unit circle. Starting at 0 radians (east), moving CCW increases angles towards π/2 (north), π (west), 3π/2 (south), and then…