<code thinbasic>
fn randomcolor[]
dim l[4]
for a = 0 to 3
precision[0]
r= random[255]
precision[2]
l[a] =  (r / 255)

next a

randomcolor = (r / 255)

endfn


cmd square[]
Dim global color[4]
Dim global widthHeight[2]
Dim rectStart[2]
 
color[0]=randomcolor[] ' red
color[1]= randomcolor[]
color[2]=randomcolor[]
color[3]=1.0  ' alpha
 
rectStart[0]= 10 ' x
rectStart[1]= 10 ' y
 
' if width and height are the same is a circle
widthHeight[0] = 400 ' width
widthHeight[1] = 400 ' height
 
SetLineWidth[5]
 
fillRect[color,rectStart,widthHeight]

enablecontrol["timer0"]
say["square"]
x= mytextdraw["square"]

endcmd

cmd rectangle[]
Dim global color[4]
Dim global widthHeight[2]
Dim rectStart[2]
 
color[0]=randomcolor[] ' red
color[1]= randomcolor[]
color[2]=randomcolor[]
color[3]=1.0  ' alpha
 
rectStart[0]= 10 ' x
rectStart[1]= 10 ' y
 
' if width and height are the same is a circle
widthHeight[0] = 250 ' width
widthHeight[1] = 400 ' height
 
SetLineWidth[5]
 
fillRect[color,rectStart,widthHeight]

enablecontrol["timer0"]
say["Rectangle"]
x= mytextdraw["Rectangle"]

endcmd

cmd oval[]
Dim global color[4]
Dim global widthHeight[2]
Dim rectStart[2]
 
color[0]=randomcolor[] ' red
color[1]= randomcolor[]
color[2]=randomcolor[]
color[3]=.50  ' alpha
 
 
rectStart[0]= 10 ' x
rectStart[1]= 10 ' y
 
' if width and height are the same is a circle
widthHeight[0] = 300 ' width
widthHeight[1] = 400 ' height
 
SetLineWidth[5]
 
filloval[color,rectStart,widthHeight]

enablecontrol["timer0"]
say["oval"]
xv= mytextdraw["Oval"]
endcmd


fn mytextdraw[n]
Dim  color[4]
Dim  TextFontAndSize[3]
Dim rectStart[2]
 
color[0]=randomcolor[] ' red
color[1]= randomcolor[]
color[2]=randomcolor[]
color[3]=1.0  ' alpha
 
 
rectStart[0]= 300 ' x
rectStart[1]= 500 ' y
 
' if width and height are the same is a circle
TextFontAndSize[0] = n
TextFontAndSize[1] = "Courier" ' Font Name
TextFontAndSize[2] = 20  ' Font Size
 
 
DrawText[color,rectStart,TextFontAndSize]

endfn

cmd circlel[]
Dim global color[4]
Dim global widthHeight[2]
Dim rectStart[2]
 
color[0]=randomcolor[] ' red
color[1]= randomcolor[]
color[2]=randomcolor[]
color[3]=1.0  ' alpha
 
 
rectStart[0]= 10 ' x
rectStart[1]= 10 ' y
 
' if width and height are the same is a circle
widthHeight[0] = 400 ' width
widthHeight[1] = 400 ' height
 
SetLineWidth[5]
 
filloval[color,rectStart,widthHeight]

enablecontrol["timer0"]
say["Circle"]
x= mytextdraw["Circle"]
endcmd

cmd mynext[]
again:
m = Random[4]
if m = lastm then
goto again
endif
lastm = m

EraseScreen[]
't = mytextdraw[m]
if m= 0 then
rectangle[]
endif

if m= 1 then
square[]
endif

if m=2 then
circlel[]
endif
if m=3 then
oval[]
endif

if m=4 then
 triangle[]
endif
endcmd


cmd triangle[]
Dim rectStart[2]
Dim color[4]
 
color[0]=randomcolor[] ' red
color[1]= randomcolor[]
color[2]=randomcolor[]
color[3]= 1.0 ' alpha
 
 
rectStart[0]= 0 ' x
rectStart[1]= 0 ' y
 
Dim points[12]
 
points[0]=300 ' x
points[1]=10 ' y
 
points[2]=150 ' x
points[3]=300 ' y
 
points[4]=450 ' x
points[5]=300 ' y
 
points[6]=300 ' x
points[7]=10 ' y
 
 
SetLineWidth[1]
 
FillPoly[color,points]
 
enablecontrol["timer0"]
say["Triangle"]
x= mytextdraw["Triangle"]

endcmd
</code>