Sha256: c3f881dcb40b26942f6de198302a0c813bc70fee93df8816e4ff9881f917f3b4
Contents?: true
Size: 1.72 KB
Versions: 6
Compression:
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Contents
module D3
class Quad
include D3::Native
def internal?
`#@native.constructor === Array`
end
def leaf?
`#@native.constructor !== Array`
end
def next
return nil if internal?
return nil if `#@native.next == undefined`
D3::Quad.new(`#@native.next`)
end
def data
return nil if internal?
`#@native.data`
end
def children
return nil if leaf?
result = (0..3).map do |i|
q = `#@native[i]`
if `q == null`
nil
else
D3::Quad.new(q)
end
end
end
end
class QuadTree
include D3::Native
aliases_native %i[data find size]
aliases_native_chainable %i[add addAll cover remove removeAll]
alias_native_new :copy
attribute_d3 :extent
# visit/visitAfter functions have stupid JS habit of using non-nil return as control
# and that messes up with languages which have automatic return
# Maybe worth rewriting to require explicit StopIteration ?
def visit
@native.JS.visit(proc do |node, x0, y0, x1, y1|
yield(D3::Quad.new(node), x0, y0, x1, y1)
end)
self
end
def visit_after
@native.JS.visitAfter(proc do |node, x0, y0, x1, y1|
yield(D3::Quad.new(node), x0, y0, x1, y1)
end)
self
end
def root
D3::Quad.new @native.JS.root
end
def x(&block)
if block_given?
@native.JS.x(block)
self
else
@native.JS.x
end
end
def y(&block)
if block_given?
@native.JS.y(block)
self
else
@native.JS.y
end
end
end
class << self
def quadtree(*args)
D3::QuadTree.new @d3.JS.quadtree(*args)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems