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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.
// 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.
// 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
// 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)
}
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