Çözüldü Javascript'i CPP'a çevirme

#include <iostream>

#include <cmath>

#include <graphics.h>



const float Pi = 3.1415926535897931f;



float angular_disp(float t, float angle, float T) //angular displacement

{

    //Simple Harmonic Motion equation

    float res = angle * cos((2*Pi / T) * t); //let additional const be 0

    return res;

}



void animate_pendulum(float x1, float y1,

                      float l, float g, float angle, float T)

{

   int gd = DETECT, gmAngular displacement :





    θ(t) = θ0cos(2π/T * t + φ)





    φ is a constant value





Period of oscillation:



    T ≈ 2π√(R/g);

   initgraph(&gd, &gm, NULL);



  float angular_acc;//angular acceleration



  for(float t = 1.0; t < 100.0;)

  {

     float new_angle = angular_disp(t, angle, T);

     angular_acc = -(g/l) * sin(new_angle);



     //To know other end coordinates

     float base = l * cos(new_angle);

     float height = l * sin(new_angle);



     //end coordinates

     float y2 = y1 + base;

     float x2 = x1 + height;



     setlinestyle(DASHED_LINE,0,NORM_WIDTH);

     setcolor(WHITE);

     line(x1, y1-20, x1, y1+250);



     setlinestyle(SOLID_LINE,0,THICK_WIDTH);

     setcolor(BLUE);

     line(x1, y1, x2, y2);



     setcolor(RED);

     circle(x2, y2, 10);

     floodfill(x2, y2, RED);



     delay(100);

     cleardevice();



     t = t + 1.0;

  }

  delay(100);

  closegraph();

}



int main()

{

   float x1 = 250, y1 = 100; //start coordinates of pendulum



   float l = 200; //length of pendulum

   float g = 10; //acceleration of gravity (assumed)



   float angle = Pi/2; // in radians



   float T = (2 * Pi) * sqrt(l/g); //period of swing



   animate_pendulum(x1, y1, l, g, angle, T);

}