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rect( x0, y0, x1, y1, [col] )

Draws an empty rectangle shape.

x0
The x coordinate of the upper left corner.
y0
The y coordinate of the upper left corner.
x1
The x coordinate of the lower right corner.
y1
The y coordinate of the lower right corner.
col
The color of the rectangle border. If omitted, the color from the draw state is used.

This draws a rectangle shape parallel to the screen borders.

It's important to note that the coordinates are inclusive, which is to say PICO-8 will render pixels at the right and bottom coords. In many APIs, x1 and y1 would be the first pixels which are not drawn, but on PICO-8, they are the last pixels which are drawn.

Examples Edit

-- draw a border around the whole screen
rect(0, 0, 127, 127, 1)
 
-- draw a border inset by 16 pixels
rect(16, 16, 111, 111, 1)
 
-- draw three empty white rectangles at random locations and sizes
color(7)
for x=1,3 do
  rect(rnd(128), rnd(128), rnd(128), rnd(128))
 
end

See also Edit