Tetrahedral Nexorade
- Author:
- Thijs
- Topic:
- Cylinder
Setup
O = ( 0, 0, 0)
V0 = ( 1, 1 ,1)
V1 = ( 1,-1,-1)
ϕ = Slider(5°,85°,0.5°, 1, 240, true, true, false)
lineA = Rotate(Line(V1, V0), ϕ, xAxis)
lineC = Rotate(lineA, 240°, Line(O,V0))
perpCA= PerpendicularLine(lineC, lineA)
A1 = Intersect(perpCA,lineA)
A2 = Reflect(A1, Midpoint(V1,V0))
len = Distance(A1,A2)
ecc = Distance(lineA,lineC)
fact= (len+ecc)/len
A1d = Dilate(A1, fact, (1,0,0))
A2d = Dilate(A2, fact, (1,0,0))
Lnexor1 = {Cylinder(A1d, A2d, ecc/2)}
Lnexor2 = Rotate(Lnexor1, 120°, Line(O,V0))
Lnexor3 = Rotate(Lnexor1, 240°, Line(O,V0))
Lnexor4 = Rotate(Lnexor3, 120°, Line(O,V1))
Lnexor5 = Rotate(Lnexor4, 120°, Line(O,V0))
Lnexor6 = Rotate(Lnexor4, 240°, Line(O,V0))
On = true
#------------------------
# Settings
#------------------------
SetCoords(ϕ, 140, 50)
SetColor(ϕ,"Black")
SetValue(ϕ,20°)
SetActiveView(-1)
SetBackgroundColor("Black")
Q=UnicodeToLetter(34)
List={"Red","Green","Blue","Cyan","Magenta","Yellow"}
Execute(Zip("SetColor(Lnexor"+k+"1,"+Q+txt+Q+")",k,1..6, txt,List))
Execute(Zip("SetFilling(Lnexor"+k+",1)",k,1..6))
Execute(Zip("SetLineThickness(Lnexor"+k+",2)",k,1..6))
List={"O","V0","V1","A1","A2","A1d","A2d","lineA","lineC","perpCA","Q"}
Execute(Zip("SetConditionToShowObject("+obj+",false)",obj,List))
Delete(List)
#------------------------
# Start button : On Click
#------------------------
SetActiveView(-1)
CenterView((0,0,0))
SetValue(On,If(On,false,true))
SetCaption(buttStart,If(On,"Stop","Start"))
SetSpinSpeed(If(On,1,0))
StartAnimation(ϕ,If(On,true,false))