equal
deleted
inserted
replaced
35 int Vector::Y () |
35 int Vector::Y () |
36 { |
36 { |
37 return y; |
37 return y; |
38 } |
38 } |
39 |
39 |
40 Vector Vector::operator+ (Vector a) |
40 Vector Vector::operator+ (Vector& a) |
41 { |
41 { |
42 return Vector (x + a.X (), y + a.Y ()); |
42 return Vector (x + a.X (), y + a.Y ()); |
43 } |
43 } |
44 |
44 |
45 Vector Vector::operator- (Vector a) |
45 Vector Vector::operator- (Vector& a) |
46 { |
46 { |
47 return Vector (x - a.X (), y - a.Y ()); |
47 return Vector (x - a.X (), y - a.Y ()); |
48 } |
48 } |
49 |
49 |
50 double Vector::abs () |
50 double Vector::abs () |
55 void Vector::vector () |
55 void Vector::vector () |
56 { |
56 { |
57 fprintf (stderr, "(%.3d, %.3d)", x, y); |
57 fprintf (stderr, "(%.3d, %.3d)", x, y); |
58 } |
58 } |
59 |
59 |
60 double Vector::angle (Vector v) |
60 double Vector::angle (Vector& v) |
61 { |
61 { |
62 if (mode == DEG) |
62 if (mode == DEG) |
63 return ((180.0 / M_PI) * std::acos ((v.X () * X () + v.Y () * Y ()) / (abs () * v.abs ()))); |
63 return ((180.0 / M_PI) * std::acos ((v.X () * X () + v.Y () * Y ()) / (abs () * v.abs ()))); |
64 |
64 |
65 return (std::acos ((v.X () * X () + v.Y () * Y ()) / (abs () * v.abs ()))); |
65 return (std::acos ((v.X () * X () + v.Y () * Y ()) / (abs () * v.abs ()))); |