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Cartesian to Polar Processing.org
Posted by Anonymous on Sat 14th Jan 2012 15:24
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  1. class Polar
  2. {
  3.   float deg;
  4.   float radius;
  5. }
  6. class Cartesian
  7. {
  8.   float x;
  9.   float y;
  10. }
  11. Cartesian polarToCartesian(float deg,float pradius)
  12. {
  13.   Cartesian cartesianval=new Cartesian();
  14.   deg=deg-90;
  15.    
  16.   cartesianval.x = cos(radians(deg))*pradius;
  17.   cartesianval.y = sin(radians(deg))*pradius;
  18.  
  19.   return cartesianval;
  20. }
  21. Polar cartesianToPolar(float x, float y)
  22. {
  23.   Polar polarVal=new Polar();
  24.   polarVal.deg=degrees(atan2(x,y));
  25.   if (polarVal.deg<0) { polarVal.deg=360+polarVal.deg; }
  26.   polarVal.radius=sqrt( (x*x)+(y*y));
  27.   return polarVal;
  28. }

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