cpvdot ( v1: cpVect v2: cpVect -- s )

Vocabulary

chipmunk.ffi

Inputs

v1	a cpVect
v2	a cpVect

Outputs

s

an object

Definition

USING: accessors kernel math typed ;

IN: chipmunk.ffi

TYPED: cpvdot ( v1: cpVect v2: cpVect -- s )
    [ [ x>> ] bi@ * ] [ [ y>> ] bi@ * ] 2bi + ; inline