cpvproject ( v1: cpVect v2: cpVect -- v3: cpVect )


Vocabulary
chipmunk.ffi

Inputs
v1a cpVect
v2a cpVect


Outputs
v3a cpVect


Definition
USING: kernel math typed ;

IN: chipmunk.ffi

TYPED: cpvproject ( v1: cpVect v2: cpVect -- v3: cpVect )
[ nip ] [ cpvdot ] [ nip dup cpvdot ] 2tri / cpvmult ;
inline