Legend List — Engine Simulator

Props

data.length 50

estimatedItemSize 60

numColumns 1

drawDistance 250

initialContainerPoolRatio 1.5

Variable item sizes

Environment (from layout, not props)

viewport height 600

headerSize 0

stylePaddingTop 0

Scroll State

scroll position 0

scroll speed (direction)

Minimap

Containers

—

Viewport View

In viewport

drawDistance zone

maxVisibleArea

Not rendered

Container Allocation

          numContainers
          —
        

          numContainersPooled
          —
        

averageItemSize —

Scroll Zones

scrollBufferTop —

scrollBufferBottom —

scrollTopBuffered —

scrollBottomBuffered —

maxVisibleArea —

Content Size

totalSize —

contentSize —

alignItemsPaddingTop —

Items In Range

in viewport —

in drawDistance —

in maxVisibleArea —

total items —

Formula Reference

numContainers =
ceil(((scrollLength − headerSize
+ drawDistance×2) / avgItemSize) × numCols)

Buffer Asymmetry

—