feat: complete commands needed for Book Eleven
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e10da118a7
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@ -67,6 +67,7 @@ type ConstructionData
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height: number
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elements: JoyceElements
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pivot: string
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title?: string
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// Global data setup for pivoting (ugh, but necessary because the api
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// is not passed to the callback, so we have to look up the slider in
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@ -186,7 +187,8 @@ type ClassHandler = (
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method: string,
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args: JoyceArguments,
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index: number,
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cdata: ConstructionData) => Commander
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cdata: ConstructionData,
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colors: string[]) => Commander
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type RGB = [number, number, number]
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type XYZ = RGB
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@ -208,6 +210,7 @@ function dispatchJcommand(
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'title'
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if adapParams.config?.commands
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console.log 'Setting title to', value
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cdata.title = value
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api.evalCommand `TitlePoint = Corner(1,1)
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Text("${value}", TitlePoint + (2,5))`
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'pivot'
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@ -257,7 +260,7 @@ function jToG(
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args: JoyceArguments := {}
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usesCaptions := []
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for each jdep of data.split ','
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scalar := parseFloat jdep
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scalar := Number jdep
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if scalar is scalar // not NaN
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(args.scalar ?= []).push scalar
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continue
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@ -271,7 +274,7 @@ function jToG(
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(args.subpoints ?= []).push depGeo
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else if depKlass is 'line'
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(args.subpoints ?= []).push ...ends ?? []
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cmdr = classHandler[klass] name, method, args, index, cdata
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cmdr = classHandler[klass] name, method, args, index, cdata, colors
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unless name is jname then cmdr.callbacks.push (api: AppletObject) =>
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api.setCaption name, jname
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api.setLabelStyle name, 3 // style CAPTION = 3
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@ -517,7 +520,7 @@ function pointDefaultColorName(
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function geoname(
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jname: JoyceName, elements: JoyceElements, klass: JoyceClass): GeoName
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unless jname.substring(0,3) is 'Geo' // those might clash
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unless jname is 'floor' or jname.substring(0,3) is 'Geo' // those might clash
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// Names with word characters starting with a capital are always good:
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if /^[A-Z]['\w]*$/.test jname then return jname
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// If it's not a point, can start with any letter:
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@ -571,7 +574,7 @@ function proportionSimilar(
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// All of the detailed semantics of each available command lies in this
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// function.
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classHandler: Record<JoyceClass, ClassHandler> :=
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point: (name, method, args, index, cdata): Commander =>
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point: (name, method, args, index, cdata, colors): Commander =>
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return := freshCommander()
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{commands, callbacks, parts, auxiliaries} := return.value
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zeroVector := cdata.is3d ? 'Vector((0,0,0))' : 'Vector((0,0))'
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@ -579,6 +582,22 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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aux := name + 'aUx'
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pivotable := cdata.pivot and name !== pivotData[cdata.pivot].pivot
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parts[0].push name
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// HACK: Special-case corrections for Joyce Elements Bk XI
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if cdata.title is 'XI.4'
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if name is 'Z' and method is 'fixed' and args.scalar?.length is 3
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method = 'perpendicular'
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args.subpoints = ['E','P2','A']
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args.plane = ['baseplane']
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colors[0] = '0'
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colors[1] = '0'
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if name is 'F' and method is 'lineSlider' and args.subpoints?[0] is 'E'
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args.scalar = [160,40,60]
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if cdata.title is 'XI.5'
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if name is 'A' and method is 'free'
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method = 'perpendicular'
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args.subpoints = ['B','P1','P3']
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args.plane = ['xOyPlane']
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commands.push 'B=(80,140)'
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switch method
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/angle(?:Bisector|Divider)/
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{center, foot} :=
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@ -608,6 +627,12 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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if args.scalar and args.scalar.length
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callbacks.push (api: AppletObject) =>
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api.setCoords name, ...vertFlipped(args.scalar or [], cdata)
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'circumcenter'
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unless args.subpoints?.length is 3 then return
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commands.push
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`${aux} = Circle(${args.subpoints.join ','})`
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`${name} = Center(${aux})`
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auxiliaries.push aux
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/cutoff|extend/
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pt := args.subpoints
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unless pt and pt.length is 4 then return
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@ -616,9 +641,9 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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commands.push `${name} = Translate(${source}, ${displacement})`
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'first'
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unless args.subpoints then return
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// HACK: Special-case correction for Joyce Elements Bk II, prop 14
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index .= 0
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if name === 'H' and args.line and args.line[0] === 'HH2'
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// HACK: Special-case correction for Joyce Elements Bk II, prop 14
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if cdata.title is 'II.14' and name is 'H' and args.line?[0] is 'HH2'
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index = 1
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commands.push `${name} = ${args.subpoints[index]}`
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/fixed|free/
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@ -642,9 +667,9 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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// Checking Joyce source, means intersection of lines, not
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// intersection of line segments
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pt := args.subpoints
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unless pt then return
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unless pt and pt.length > 1 then return
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l1 := `Line(${pt[0]},${pt[1]})`
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e2 := args.plane ? args.plane[0] : `Line(${pt[2]},${pt[3]})`
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e2 := pt.length < 3 ? args.plane?[0] : `Line(${pt[2]},${pt[3]})`
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commands.push `${name} = Intersect(${l1},${e2})`
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'last'
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unless args.subpoints then return
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@ -696,8 +721,9 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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`${name} = Rotate(${pt[1]}, pi/2, ${center}${inPlane})`
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when 3 // perpendicular **to** the plane
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// Uses lots of auxiliaries
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radius := `Distance(${pt[1]}, ${pt[2]})`
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commands.push
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`${aux}1 = Circle(${center}, Distance(${pt[1]}, ${pt[2]})${inPlane})`
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`${aux}1 = Circle(${center}, ${radius}${inPlane})`
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`${aux}2 = PointIn(${aux}1)`
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`${aux}3 = PerpendicularLine(${center}${inPlane})`
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`${aux}4 = Plane(${aux}2, ${aux}3)`
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@ -847,7 +873,17 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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commands.push
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`${aux} = Rotate(${pt[1]}, pi/2, ${pt[0]}${inPlane})`
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when 3
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return // TODO: line perpendicular to plane
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radius := `Distance(${pt[1]}, ${pt[2]})`
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commands.push
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`${aux}1 = PerpendicularLine(${pt[1]}${inPlane})`
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`${aux}2 = Intersect(${aux}1${inPlane})`
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`${aux}3 = Circle(${aux}2, ${radius}${inPlane})`
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`${aux}4 = PointIn(${aux}3)`
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`${aux}5 = Plane(${aux}4, ${aux}1)`
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`${aux}6 = Rotate(${aux}4, pi/2, ${aux}2, ${aux}5)`
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ends[0] = aux + 2
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ends[1] = aux + 6
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auxiliaries.push aux+n for n of [1..6]
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when 4
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ends[0] = pt[0]
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ends[1] = aux + 2
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@ -998,7 +1034,7 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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aux := name + 'aUx'
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parts[2].push name
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defaultPlane := cdata.is3d ? ', xOyPlane' : ''
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inPlane := args.plane ? `, ${args.plane[0]}` : defaultPlane
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inPlane .= args.plane ? `, ${args.plane[0]}` : defaultPlane
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switch method
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/arc|sector/
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unless args.subpoints?.length is 3 return
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@ -1012,6 +1048,7 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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center = temp
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parms = start + ', ' + center + ', ' + end
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prefix = 'Circumcircular'
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inPlane = '' // not needed in 3-point case
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ends[0] = start
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ends[1] = end
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commands.push
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@ -1029,6 +1066,10 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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'3points'
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unless args.subpoints?.length is 3 then return
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commands.push `${name} = Plane(${args.subpoints.join ','})`
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'parallel'
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unless args.subpoints?.length is 1 then return
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unless args.plane?.length is 1 then return
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commands.push `${name} = Plane(${args.subpoints[0]}, ${args.plane[0]})`
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'perpendicular'
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unless args.subpoints?.length is 2 then return
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[thru, perp] := args.subpoints
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@ -1099,6 +1140,33 @@ classHandler: Record<JoyceClass, ClassHandler> :=
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api.renameObject obj, newObj
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moreParts[1].push newObj
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ix += 1
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'prism'
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unless args.polygon?.length is 1 then return
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base := args.polygon[0]
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ends[0] = base
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pt := args.subpoints
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unless pt and pt.length is 2 then return
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commands.push
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`${aux}1 = Vertex(${base},1) + ${pt[1]} - ${pt[0]}`
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auxiliaries.push aux+1
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ends[1] = aux+1
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parts[0].push aux+1
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parts[2].push ends[0]
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callbacks.push (api: AppletObject, moreParts: DimParts) =>
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made := api.evalCommandGetLabels
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`${name} = Prism(${base}, ${aux}1)`
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if not made return
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for each obj of made.split ','
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if obj is name continue
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newObj := 'GeoAux' + index + obj
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api.renameObject obj, newObj
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switch api.getObjectType newObj
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'point'
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moreParts[0].push newObj
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'segment'
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moreParts[1].push newObj
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else
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moreParts[2].push newObj
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/pyramid|tetrahedron/
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base .= args.polygon?[0]
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ends[0] = base or aux + 1
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