func Vec3Sub(dest, v1, v2 Vec3) {
	dest[0] = v1[0] - v2[0]
	dest[1] = v1[1] - v2[1]
	dest[2] = v1[2] - v2[2]
}
func Vec3Sub(dest, v1, v2 Vec3) {
	dest[0] = v1[0] - v2[0]
	dest[1] = v1[1] - v2[1]
	dest[2] = v1[2] - v2[2]
}
func Vec3Sub ( dest , v1 , v2 Vec3 ) { dest [ 0 ] = v1 [ 0 ] - v2 [ 0 ] dest [ 1 ] = v1 [ 1 ] - v2 [ 1 ] dest [ 2 ] = v1 [ 2 ] - v2 [ 2 ] }
// Vec3Sub performs a vector subtraction. dest = v1 - v2.
//
//     dest  [out]  The result vector.
//     v1    [in]   The base vector.
//     v2    [in]   The vector to subtract from v1.
Vec3Sub performs a vector subtraction . dest = v1 - v2 . dest [ out ] The result vector . v1 [ in ] The base vector . v2 [ in ] The vector to subtract from v1 .