multiplacer/basic_3d_math.lua

add_3dx2 = function(a,b)
	return {x=a.x+b.x,y=a.y+b.y,z=a.z+b.z}
end

sub_3dx2 = function(a,b)
	return {x=a.x-b.x,y=a.y-b.y,z=a.z-b.z}
end

mul_3dx2 = function(a,b)
	return {x=a.x*b.x,y=a.y*b.y,z=a.z*b.z}
end