Code Sketch
Butterfly Tangram
cleari
//TangramButterfly
//showAxes()
//showGrid()
tangram.draw
def tangram = picStack(
Picture {},
square.thatsFilledWith(Color(0, 125, 44)).thatsRotated(45).thatsTranslated(05, 70),
triangle1.thatsFilledWith(Color(205, 135, 52)).thatsRotated(45).withFlippedX.thatsTranslated(75, -70),
triangle2.thatsFilledWith(red).thatsRotated(-45).thatsTranslated(75, 143),
triangle2.thatsFilledWith(yellow).thatsRotated(90+135).thatsTranslated(-65, 142),
triangle3.thatsFilledWith(ColorMaker.hsl(297, 0.57, 0.49)).thatsRotated(45).withFlippedY.thatsTranslated(76, 72.05),
parallelogram.withFlippedY.thatsFilledWith(Color(0, 197, 103)).thatsRotated(45).thatsTranslated(-65, 70),
triangle4.thatsFilledWith(Color(0, 122, 202)).thatsRotated(135).thatsTranslated(-65, 70),
)
def square = Picture{
right(135)
forward(70.71)
right(90)
forward(70.71)
right(90)
forward(70.71)
right(90)
forward(70.71)
right(90)
}.thatsStrokeColored(black)
def triangle1 = Picture{
right()
forward(100)
left(135)
forward(70.71)
left(90)
forward(70.71)
}.thatsStrokeColored(black)
def triangle2 = Picture{
right(135)
forward(141.42)
left(135)
forward(200)
left(135)
forward(141.42)
}.thatsStrokeColored(black)
def triangle3 = Picture{
left(45)
forward(70.71)
left(135)
forward(100)
left(135)
forward(70.71)
}.thatsStrokeColored(black)
def parallelogram = Picture{
forward(100)
right(135)
forward(70.71)
right(45)
forward(100)
right(135)
forward(70.71)
}.thatsStrokeColored(black)
def triangle4 = Picture {
left(45)
forward(141.42)
left(135)
forward(100)
left(90)
forward(100)
}.thatsStrokeColored(black)