collectionView.gemini
    .cubeAnimation()
    .cubeDegree(90)

collectionView.gemini
    .circleRotationAnimation()
    .radius(450) // The radius of the circle
    .rotateDirection(.clockwise) // Direction of rotation. 
    .itemRotationEnabled(true) // Whether the item rotates or not.

collectionView.gemini
    .rollRotationAnimation()
    .degree(45)
    .rollEffect(.rollUp)

collectionView.gemini
    .scaleAnimation()
    .scale(0.75)
    .scaleEffect(.scaleUp) // or .scaleDown

collectionView.gemini
    .customAnimation()
    .translation(y: 50)
    .rotationAngle(y: 13)
    .ease(.easeOutExpo)
    .shadowEffect(.fadeIn)
    .maxShadowAlpha(0.3)

collectionView.gemini
    .customAnimation()
    .backgroundColor(startColor: lightGreenColor, endColor: lightBlueColor)
    .ease(.easeOutSine)
    .cornerRadius(75)

class CustomCollectionViewCell: GeminiCell {
    @IBOutlet weak var customShadowView: UIView!
    override var shadowView: UIView? {
        return customShadowView
    }
}

// Import Gemini
import Gemini

// Inherite GeminiCell
class CustomCell: GeminiCell {
    ...
}

// Conform to UICollectionViewDelegate and UICollectionViewDataSource
class CustomViewController: UIViewController: UICollectionViewDelegate, UICollectionViewDataSource {

    // Inherite GeminiCollectionView
    @IBOutlet weak var collectionView: GeminiCollectionView!

    ...

    // Configure animation and properties
    func configureAnimation() {
        collectionView.gemini
            .circleRotationAnimation()
            .radius(400)
            .rotateDirection(.clockwise)
    }

    // Call animation function
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        collectionView.animateVisibleCells()
    }

    func collectionView(_ collectionView: UICollectionView, willDisplay cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
        if let cell = cell as? GeminiCell {
            self.collectionView.animateCell(cell)
        }
    }

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "CustomCell", for: indexPath) as! CustomCell
        self.collectionView.animateCell(cell)
        return cell
    }