Graphmath.Vec2.dot
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dot, go back to Graphmath.Vec2 module for more information.
Link to this function
dot(a, b)
Specs
dot( a, b ) finds the dot (inner) product of one vec2 with another vec2.
a is the first vec2.
b is the second vec2.
It returns a float of the value (a<sub>x</sub>b<sub>x</sub> + a<sub>y</sub>b<sub>y</sub> ).