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Jan 19th, 2020
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  1. def fun(x,y):
  2. return a*x
  3.  
  4. def rk4(x,y,h):
  5. K1 = fun(x,y)
  6. K2 = fun(x+1/2*h, y+1/2*K1*h)
  7. K3 = fun(x+1/2*h, y+1/2*K2*h)
  8. K4 = fun(x+h, y+K3*h)
  9.  
  10. y1 = y - 1/6*(K1+K2+K3+K4)*h
  11. return y1
  12.  
  13. def updateSphere(part, dt):
  14. # tutaj trzeba dodać obsługę sił, w tym grawitacji
  15. global t
  16. t += dt
  17. h = dt
  18. y = part.v[1]
  19. x = t
  20.  
  21. y1= rk4(x,y,h)
  22. part.v[1] = y1
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