diff options
| -rw-r--r-- | star.go | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/star.go b/star.go index f1aaa5c..a35f1de 100644 --- a/star.go +++ b/star.go @@ -31,18 +31,18 @@ func (s Star2D) InsideOf(boundary BoundingBox) bool { return false } -// calcNewPos calculates the new position of a star using the force acting on it +// CalcNewPos calculates the new position of a star using the force acting on it func (s *Star2D) CalcNewPos(force Vec2, timestep float64) { acceleration := NewVec2(force.X/s.M, force.Y/s.M) s.Accelerate(acceleration, timestep) } -// Return a copy of the star by returning a star struct with the same values. +// Copy 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. +// AccelerateVelocity accelerates 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)) @@ -71,9 +71,8 @@ func (star Star2D) posX(boundary BoundingBox) bool { if star.C.X > bx && star.C.X < bx+bw { return true - } else { - return false } + return false } // posY determines if the star is the positive y region of the given boundary. If it is, @@ -86,9 +85,8 @@ func (star Star2D) posY(boundary BoundingBox) bool { if star.C.Y > by && star.C.Y < by+bw { return true - } else { - return false } + return false } // getRelativePosition returns the relative position of a star relative to the bounding @@ -98,15 +96,13 @@ func (star Star2D) getRelativePosition(boundary BoundingBox) string { if star.posX(boundary) == true { if star.posY(boundary) == true { return "NE" - } else { - return "SE" } + return "SE" } else { if star.posY(boundary) == true { return "NW" - } else { - return "SW" } + return "SW" } } |
