В текущей версии интерпретатора поддерживаются:
Операторы присваивания и вызова [один оператор в строке].
Объявление составных построений [sub ... end sub].
Вызов составных построений в других составных построениях.
Выполнение циклов [for ... end for].
Измерители, элементы оформления [линии-выноски, размерные знаки, штриховки, заливки, стрелки].
Вывод пространственных координат точек [Z, !cout3D].
Не поддерживаются:
Вложенные операторы [ sub1 (sub2 (...)) ].
Вложенные циклы [for ... for ... end for ... end for].
Условный оператор [!if].
Списки.
Объектно-ориентированные объявления [операторы new и .].
Модификаторы стиля [через :].
Специальные символы
(Специальные символы: αβγδεζηθικλμνξοπρστυφχψω ∀∃∈∉∋∩∪∞∅°∠ ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ ≅≈≠≡⊂⊃⊄⊥)
Программа
[x12,O] = CS12 (0,0) cs0=@sxy(0,0,-25,0) hr1 = hr(O) vr1 = vr(O) PSIZE=1 // парабола P=pxy(0,-50:P) S=pxy(80,-40:S) s=sab(P,S:true,thin) Q=pxy(140,-50:Q) axi=soa(s,P:true,thin) dos=spa(s,Q:true,thin) qop=soa(s,Q:true,thin) Ps=pab(dos,axi:P') Qs=pab(qop,s:Q') qp=sab(Qs,Ps:true,thin) trs=trmv(s:cs0) sub pro(P) // проекция точки P на s a=@soa(s,P) Ps=@pab(a,s) ret(Ps,a) end sub sub parp(A,n) // точка параболы (P,s,Q) для A на s // n - нормаль к s в A a=@spa(qp,A) As=@pab(a,axi) a=@spa(s,As) As=@pab(a,qop) la=@sab(P,As) PP=@pab(la,n) style(PP:,orange) !erase(a,As,la) ret(PP) end sub // тестируем построение параболы //for (10) F in (s) // n=@spa(axi,F:true,thin) // J$=parp(F,n) //end for sub symp (A) // симметрия относительно параболы (P,s,Q) // точки A [As,ns]=@pro(A) // проекция на s Ps=parp(As,ns) // точка параболы cs=@ccx(Ps,As:thin) Qs=pac2nd(ns,cs,As) // удвоенная точка style(Qs:,darkgray) Ds=psub(A,As) Ds=psub(Qs,Ds) //-x' style(Ds:,magenta) ret(Ds) end sub // базовый эллипс o1 = ccx(O, 80:helper) o2 = ccx(O, 10:helper) plin = pline(0) plip = pline(0) for (32) A in [o1), B in [o2) oa$ = ls(O, A) hr2 = @hr(B) vr2 = @vr(A) C$ = pab(hr2,vr2:) D$ = symp(C$) // симметрия E$ = trobj(trs,D$) // перенос вниз plinpadd(plin,C$) plinpadd(plip,E$) lsac$ = ls(A,C$) lsbc$ = ls(B,C$) end for plinz(plin,plip) style(plip:,purple) !erase(hr2,vr2) nav(-40,30:)
Графические команды
-- Точки
point = PXY (X, Y [,W]: [caption, cap-X, cap-Y])
point = PAB (line-a, line-b: [caption, cap-X, cap-Y])
point = PSP (obj, position| point-a, point-b, position: [caption, cap-X, cap-Y])
point-ideal = PIDEAL (line: [caption, cap-X, cap-Y])
point-real-part = PRE (complex-point: [caption, cap-X, cap-Y])
point-image-part-as-real = PIM (complex-point: [caption, cap-X, cap-Y])
point-real-and-image-part-as-real = PIM1 (complex-point: [caption, cap-X, cap-Y])
point-as-sum = PADD (point-a, point-b: [caption, cap-X, cap-Y])
point-as-difference = PSUB (point-a, point-b: [caption, cap-X, cap-Y])
point = PP (X: x^0-coef, x^1-coef, x^2-coef, ...: [caption, cap-X, cap-Y])
-- Прямые
line = SXY (X1, Y1, X2, Y2: [extension] [,style] [,color]: [caption, cap-X, cap-Y])
line = SAB (point-A, point-B: : [caption, cap-X, cap-Y])
line = SPA (line, point: : [caption, cap-X, cap-Y])
line = SOA (line, point: : [caption, cap-X, cap-Y])
line = SPF (point, angle, negative, line-to: : [caption, cap-X, cap-Y])
line = SKB (k-coeff, b-coeff [, x-flag]: : [caption, cap-X, cap-Y])
line = SABC (a-coeff, b-coeff, c-coeff: : [caption, cap-X, cap-Y])
arrow = ARROW (point-A, point-B: [style] [, color])
ls = LS (point-A, point-B: [length])
-- Окружности и дуги
circle = CCX (center-point, point|line|circle|V, diameterFlag: [style]: [caption, cap-X, cap-Y])
[circle, center-point] = CXYV (center-X, center-Y, V, diameter0flag: : [caption, cap-X, cap-Y])
[circle, center-point] = C2P (point-a, point-b: : [caption, cap-X, cap-Y])
[circle, center-point] = C3P (point-a, point-b, point-c: : [caption, cap-X, cap-Y])
[point-a, point-b] = PAC (line, circle: [caption, cap-X, cap-Y]: [caption, cap-X, cap-Y])
point-b = PAC2ND (line, circle, point-a: [caption, cap-X, cap-Y]: [caption, cap-X, cap-Y])
point-b = PAC2DIR (line, circle, point-a: [caption, cap-X, cap-Y]: [caption, cap-X, cap-Y])
[point-a, point-b] = P2C (circle-a, circle-b: [caption, cap-X, cap-Y]: [caption, cap-X, cap-Y])
point-b = P2C2ND (circle-a, circle-b, point-a: [caption, cap-X, cap-Y]: [caption, cap-X, cap-Y])
point-b = P2C2DIR (circle-a, circle-b, point-a: [caption, cap-X, cap-Y]: [caption, cap-X, cap-Y])
[line-a, line-b] = SCP (circle, point: : [caption, cap-X, cap-Y])
[line-a, point-a, line-b, point-b] = SCP (circle, external-point: : [caption, cap-X, cap-Y])
[arc, center-point] = A3P (point-a, point-b, point-c: : [style] [, color])
[arc, point-from, point-to] = APRA (center-point, radius, angle-from, angle-to: [style] [, color])
-- Кривые второго порядка
-- Полилинии
polyline = PLINE (code: [style] [, color])
PLINPADD (polyline, point-a [, point-b] [, point-c])
PLINS (polyline)
PLINZ (polyline)
SHADOW (polyline)
SECTION (polyline)
-- Линейки и измерители
value = MDX(point-a, point-b)
value = MDY(point-a, point-b)
value = MD(point, point-to|line|circle)
ruler = VR (x)
ruler = VRD (point, distance [, negative])
ruler = HR (y)
ruler = HRD (point, distance [, negative])
ruler = RD (line, distance [, negative])
obj = DL (point-a, point-b, pos-X, pos-Y: [caption, cap-X, cap-Y])
-- Преобразователи
T-object = TROFS (P-old: P-new)
T-object = TRMV (P1-old, P2-old | SEG-old: P1-new, P2-new | SEG-new)
T-object = TRSIM (P1-old, P2-old | SEG-old: P1-new, P2-new | SEG-new)
T-object = TRAFF (P1-old, P2-old, P3-old: P1-new, P2-new, P3-new)
T-object = TRMIR (point | line)
T-object = TRROD (line, point-old, point-new)
T-object = TRINV (circle)
[object, ...] = TROBJ (T-object, object, ...)
[object, ...] = TROBI (T-object, object, ...)
-- Системы координат начертательной геометрии
[axis, O] = CS12 (x, y)
[axis, O] = CS23 (x, y)
-- Разное
[x, y] = XY (point)
CAP (obj, caption [, cap-X, cap-Y])
CAPS (obj1, ...: caption-1 [, cap1-X, cap1-Y]: ...)
!ERASE (o1, o2, ...)
!RECSET (fname, max-recursion-depth)
!COUT (var1|precision-coeff|multiplier, var2|precision-coeff|multiplier, ...)
obj = LEADER (obj: [caption, cap-X, cap-Y])
/Пусто/