Graphmath.Vec2.subtract
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subtract, go back to Graphmath.Vec2 module for more information.
Link to this function
subtract(a, b)
Specs
subtract(a, b ) subtracts one vec2 from another vec2.
a is the vec2 minuend.
b is the vec2 subtrahend.
It returns a vec2 of the form { a<sub>x</sub> - b<sub>x</sub>, a<sub>y</sub> - b<sub>y</sub> }.
(the terminology was found here).