diff options
| -rw-r--r-- | structs/star.go | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/structs/star.go b/structs/star.go index 72afc00..f495d99 100644 --- a/structs/star.go +++ b/structs/star.go @@ -2,27 +2,32 @@ package structs import "C" +// Define a struct storing essential star information such as it's coordinate, velocity and mass type Star2D struct { C Vec2 // coordinates of the star V Vec2 // velocity of the star M float64 // mass of the star } +// Return a copy of the star by returning a star struct with the same values. func (s *Star2D) Copy() Star2D { return Star2D{s.C.Copy(), s.V.Copy(), s.M} } -// accelerate the star with the acceleration a for the time t +// Accelerate the star with the acceleration a for the time t. +// This changes the velocity of the star. func (s *Star2D) AccelerateVelocity(a Vec2, t float64) { s.V = s.V.Add(a.Multiply(t)) } -// move the star with it's velocity for the time t +// Move the star with it's velocity for the time t. +// This changes the Position of the star. func (s *Star2D) Move(t float64) { s.C = s.C.Add(s.V.Multiply(t)) } -// accelerate and move the star with it's velocity and the acceleration a for the time t +// Accelerate and move the star with it's velocity and the acceleration a for the time t +// This changes the position and the velocity of the star. func (s *Star2D) Accelerate(a Vec2, t float64) { s.AccelerateVelocity(a, t) s.Move(t) |
