No comment. Sorry.
end
end:
initialX
initialY
initialZ
start
start:
computeInitialStateFrom:with:
Compute the initial state in the receiver.
stepToFirstScanLineAt:in:
Compute the initial x value for the scan line at yValue
stepToNextScanLineAt:in:
Compute the next x value for the scan line at yValue. This message is sent during incremental updates. The yValue parameter is passed in here for edges that have more complicated computations,
subdivide
printOn:
Append to the argument, aStream, a sequence of characters that identifies the receiver.
printOnStream: