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spritepoly n, {x1, y1, x2, y2, x3, y3 …}
spritepoly n, numeric array

Create a sprite from a list of points that represent a polygon. The top left corner of the ploygon should be (0,0).

# create an arrow that spins and follows the mouse
spritedim 1
color darkblue, blue
penwidth 2
spritepoly 0, {15,0, 30,10, 25,10, 25,30, 5,30, 5,10, 0,10}

color grey
rect 0,0,300,300
spriteshow 0
s = 1
ds = .1
r = 0
while true
   spriteplace 0, mousex, mousey, s, r
   r = r + .1
   if s > 5 or s < 1 then ds = ds * -1
   s = s + ds
   pause .1
end while

Poly,

0.9.9.70