Snippet for touchesBegan within the ARSupportAudienceViewController

touchesBegan+Snippet.swift

override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
    // get the initial touch event
    if self.sessionIsActive, let touch = touches.first {
        let position = touch.location(in: self.view)
        self.touchStart = position
        self.touchPoints = []
        if debug {
            print(position)
        }
    }
    // check if the color selection menu is visible
    if let colorSelectionBtn = self.colorSelectionBtn, colorSelectionBtn.alpha < 1 {
        toggleColorSelection() // make sure to hide the color menu
    }
}