Avoid negative text size in P.3.0 #1
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I wrapped the difference in a call to abs() to avoid ending up with a negative text size when the mouse is in the left part of the screen. The behavior of textSize() with negative values in unspecified; starting the sketch with the mouse in the left part of the canvas, I observed first a downward letter A, scaled according to the cursor horizontal position, then flipped in upright position when the mouse crosses the middle of the canvas; from this point, whenever the cursor is in the left part of the canvas, the letter's height is fixed to a small value, which no longer changes according to horizontal position.
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I wrapped the difference in a call to abs() to avoid ending up with
a negative text size when the mouse is in the left part of the screen.
The behavior of textSize() with negative values in unspecified;
starting the sketch with the mouse in the left part of the canvas,
I observed first a downward letter A, scaled according to the cursor
horizontal position, then flipped in upright position when the mouse
crosses the middle of the canvas; from this point, whenever the cursor
is in the left part of the canvas, the letter's height is fixed to
a small value, which no longer changes according to horizontal position.