find a place by brutal force for WordCloudView

findSafePlace.swift

func findSafePlace(for size: CGSize, avoid occupiedAreas: [CGRect]) -> CGRect {
    // keep trying random places until it fit
    for _ in 0...100 {
        let randomRect = CGRect(origin: CGPoint(x: CGFloat.random(in: 0...canvasSize.width),
                                                y: CGFloat.random(in: 0...canvasSize.height)),
                                size: size)
        var collision = false
        for rect in occupiedAreas {
            if rect.intersects(randomRect) {
                collision = true
                break
            }
        }
        if !collision {
            return randomRect
        }
    }
    
    return CGRect.zero
}