Documentation:

• Gisp Macros

• AnyifIf cond is true evaluates success, else evaluates fail.

  • Booleancond
  • Anysuccess
  • Anyfail
• AnycondTakes couple of condition and body, evaluates conditions until finds something true and evaluates its paired body.

  • Booleancond1
  • Anybody1
  • Boolean...
  • Any...
• FunctionlambdaCreates a function with params and body

  • Listparams
  • Anybody
• FunctionAnyApplies the function f on each element of args

  • Functionf
  • argsSequence
• NildefDefines a symbol with a value

  • Atomsymbol
  • Anyvalue
• NildefnDefines a symbol with a function.

  • Atomsymbol
  • Listparams
  • Anybody
• AnyprognEvaluates multiple bodies and returns the value of the last one.

  • Anybody1
  • Any...
• AnyletBinds pairs of symbols and values, and then evaluates the body.

  • Listbinds
  • Anybody
• AnyreduceEvaluates function with each element of seq and the result of the evaluation of it on the previous element. Starting with start as first result.

  • Functionfunction
  • Anystart
  • Sequenceseq
• ListmapEvaluate the function on the sequence seq returning a list of evaluated elements.

  • Functionfunction
  • Sequenceseq
• ListfilterFilter a sequence seq evaluating function on each element of seq and returning only the ones evaluating the function to true.

  • Functionfunction
  • Sequenceseq
• ListsortSort a sequence seq using function as comparator.

  • Functionfunction
  • Sequenceseq
• AnydoseqProviding a sequence and a symbol in binds, evaluates body multiple times on each element of the sequence binded to the symbol. Returns the value of the last evaluation.

  • Listbinds
  • Anybody
• AnyprofileEvaluate body and prints the tag and how much time the evaluation took. Returns the value of the evaluation.

  • Stringtag
  • Anybody

• Gisp Core: Utilities

• SequencepartitionSubdivide a sequence in groups of n elements incrementing by step

  • Numbern
  • Numberstep
  • Sequenceseq
• SequenceflattenFlatten nested sequence into a single flat one

  • Sequencel
• Sequencereplace-first-and-lastReplace the first and last elements of a sequence.

  • Sequenceseq
  • AnynewFirst
  • AnynewLast

• Gisp Core: Points

• PointpointCreates a Point with absolutes coordinates.

  • Numberx
  • Numbery
• VecvecCreates a Vec structure with length len and direction dir in radians.

  • Numberlen
  • Numberdir
• Numberpoint-distanceCalculate the distance between two Points.

  • Pointa
  • Pointb
• Numberpoint-angleCalculate the angle between two Points.

  • Pointa
  • Pointb
• Pointpoint-betweenCreates a new intermediate point between two Points pos is a floating number between 0 and 1 that defines. The distance between the two points. 0 returns point a,1 returns point b, 0.5 returns the middle point between a and b, etc...

  • Pointa
  • Pointb
  • Numberpos
• Pointpoint-move-by-vectorCreates a new Point which is moved by a certain ammount in a certain direction defined by a Vector structure.

  • Pointp
  • Vecvect
• voiddraw-pointDraw a point on the screen

  • Pointp
• voiddraw-pointsDraw a points on the screen

  • PointListpoints

• Gisp Core: Lines

• LinelineCreates a Line joining points.

  • Pointa
  • Pointb
• Numberline-slopeGet the slope of a line.

  • Linel
• Pointline-intersectionGet the intersection point between two lines, uses infinite lines.

  • Linel1
  • Linel2
• Booleanpoint-on-line?Checks if a point is on a line

  • Pointpoint
  • Lineline
• Pointsegment-intersectionGet the intersection point between two lines, returns nil if l1 and l2 doesn't intersects.

  • Linel1
  • Linel2
• Numberpoint-position-respect-lineGet the position of a point to a line. Returns 1, -1 or 0.

  • Pointp
  • Linel
• Shapepoints-sort-clockwise-around-centroidSort a Point list of a Shape around its centroid.

  • Shapepoints

• Gisp Core: Circles

• voiddraw-circlesDraw a set of circles on the screen.

  • PointListpoints
  • Numberr

• Gisp Core: Shapes

• voidreg-shapeDraws a regular shape into the context.

  • Contextcontext
  • Pointcenter
  • Numberside
  • Numbersize
  • Numberangle
• voiddraw-shapeDraw a shape on the screen.

  • PointListpoints
• voiddraw-shapesDraw a set of shapes on the screen.

  • ShapeListshapes
• Pointshape-centroidCalculate the centroid of the shape.

  • Shapepoints
• Shapeshape-move-by-vectorMove a shape by a vector.

  • Shapeshape
  • Vecvect

• Gisp Core: Paths

• voiddraw-pathDraw a path on the screen.

  • PointListpoints
• voiddraw-pathsDraw a list of Paths on the screen.

  • PathListpaths
• Pathline-to-pathConvert a line to a segmented path.

  • Linel
  • Numbern
• Pathpath-disposeDispose randomly a path through its segments.

  • Pathp
  • NumbernoiseX
  • NumbernoiseY
• PointListchaikin-segmentSubfunction of path-smooth

  • Pointa
  • Pointb
  • Numberchaikin
• path-smoothApproximate a Path with the chaikin subdivision algorythm, smoothing the original Path.

  • Pathpath
  • Numberiteration
  • Numberchaikin

• Core: Math operations

• Number+Adds all the number arguments

  • Numbern
  • Numbers...
• Number-Subtracts all the number arguments

  • Numbern
  • Numbers...
• Number*Multiplies all the number arguments

  • Numbern
  • Numbers...
• Number/Divide all the number arguments

  • Numbern
  • Numbers...
• NumberabsCalculate the abs of a radiant value

  • Numbern
• NumbersinCalculate the sin of a radiant value

  • Numbern
• NumbercosCalculate the cos of a radiant value

  • Numbern
• NumberdsinCalculate the sin of a degree value

  • Numbern
• NumberdcosCalculate the cos of a degree value

  • Numbern
• NumberradTransform a degree value into radians

  • Numbern
• NumberdegTransform a radians value into degrees

  • Numbern
• NumberintCasts a number to an integer value

  • Numbern
• NumberfloorGet the floor value of a number

  • Numbern
• NumberceilGet the ceil value of a number

  • Numbern
• NumberminGet the minimum value of all the arguments

  • Numbern
  • Numbers...
• NumbermaxGet the maximum value of all the arguments

  • Numbern
  • Numbers...
• NumberpowCalculate the power of the first argument base with the second value as exponent

  • Numberbase
  • Numberexp
• NumbermodCalculate the modulo

  • Numbern
  • Numberdiv
• NumbersignGet the sign of a number

  • Numbern
• NumbersqrtCalculate the square root of a number

  • Numbern
• NumberlogCalculate the natural log of a number

  • Numbern
• Numberlog10Calculate the log base 10 of a number

  • Numbern
• Numberatan2Calculate the atan2 of an X and Y value

  • Numbery
  • Numberx
• Numberbit-andBitwise and operator

  • Numbera
  • Numberb
• Bool<Compare to number

  • Numbera
  • Numberb
• Bool>Compare to number

  • Numbera
  • Numberb
• Bool<=Compare to number

  • Numbera
  • Numberb
• Bool>=Compare to number

  • Numbera
  • Numberb
• ListrangeCreate a range list with all the number between min (default 0 if omitted) and a max

  • Numbermin
  • Numbermax
• voidseedSets the starting point for the random number generator. seed paramter is random if not provided.

  • Numberseed
• NumberrandGet a random number between min inclusive (default 0) and max exclusive

  • Numbermin
  • Numbermax
• NumbergaussGet a random number weighted within a gaussian distribution

  • Numbercenter
  • Numberamplitude
• Numbermandelbrot-pointCalculate the mandelbrot value of a specific point

  • Numbera
  • Numberb
  • Numbermax-iterations
  • Numberinfinity
• NumberrescaleRescale a value from a min and max to a newmin and a newmax

  • Numbern
  • Numbermin
  • Numbermax
  • Numbernewmin
  • Numbernewmax

• Core: List operations

• ListconsCreate a cons structure between two atoms

  • Atoma
  • Atomb
• ListlistCreate a list structure

  • Anya
  • Any...
• AnycarGet the first element of a list

  • Listlist
• ListcdrGet all but the first element of a list

  • Listlist
• ListreverseReverse a list structure

  • Listlist
• List/VectorconcatConcatenate two structures together

  • List/Vectora
  • List/Vectorb
• List/VectorappendAppends an item at the end of an existing collection

  • List/Vectora
  • Anyb
• List/VectorinsertInsert an item at the front of an existing collection

  • List/Vectora
  • Anyb
• AnyfirstGet the first element of a list

  • Lista
• AnylastGet the last element of a list

  • Lista
• Bool=Checks if the first two element are equal

  • Anya
  • Anyb
• Boolnumber?Checks if the first argument is a number

  • Anya
• Boolpair?Checks if the first argument is a pair

  • Anya
• Boolsymbol?Checks if the first argument is an atom

  • Anya
• Boolnil?Checks if the first argument is null

  • Anya
• Boolnot-nil?Checks if the first argument is not null

  • Anya
• BoolnotInvert a boolean value

  • Anya
• BoolandApply AND between two booleans

  • Booleana
  • Booleanb
• Boolempty?Checks if the first argument is an empty collection

  • Anya

• Core: Strings

• StringstrConcatenate strings together

  • Anya
  • Any...

• Core: Data structures

• VectorvectorCreates a vector

  • Anyval
  • Any...
• VectorvectorConvert a list into a vector

  • Listval
• HashMaphashmapCreate an hashmap structure from a set of keys and values

  • String/Keywordkey
  • Anyval
  • Any...
• Vector/HashMapgetGet an element from a structure m at key k

  • Vector/HashMapm
  • String/Keywordk
• List/VectortakeTake n elements from a collection coll starting from start

  • Numbern
  • Numberstart
  • List/Vectorcoll
• List/VectordropDrop n elements from a collection coll

  • Numbern
  • List/Vectorcoll
• NumbercountCounts the elements of a structure m

  • Vector/HashMapm
• Vector/HashMapassocAssociate a value at the key in a structure m

  • Vector/HashMapm
  • String/Keywordkey
  • Anyvalue

• Core: Cairo

• Surfacemake-surfaceCreates a new surface of width w and height h

  • Stringpath
  • Numberw
  • Numberh
• voidsurface-statusPrints the status of a surface s

  • Surfaces
• Contextmake-contextCreate a context for a suraface

  • Surfaces
• voidsurface-cleanClean a surface destroying it

  • Surfaces
• voidlineDraw a line to a context

  • Contextc
  • Pointp1
  • Pointp2
• voidcircleDraw a circle to a context

  • Contextc
  • Pointcenter
  • Numberradius
• voidsurface-to-pngExport a surface to a png file

  • Surfaces
  • stringname

• Gisp Core: Simplxe-noise

• Generator (List of HashMaps)simplex-noiseCreate e simplex noise generator

  • Numberlargest
  • Numberpersistance
  • Numberstarting
• Numbersimplex-noise-valueExtract a value from a previously defined generator at x and y

  • Generatorgenerator
  • Numberx
  • Numbery