vec2

vec2 is used at run time in 9 crates. It is a direct run-time dependency in 6 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps)			vec2 version
	3	mat32		^0.2
	2	vec4		^0.2
		polygon2		^0.2
	1	aabb2		^0.2
		bezier2		^0.2
		gmath		^0.2