NumUtil.java 2.2 KB

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  1. /*
  2. * Copyright (c) 2009-2020 jMonkeyEngine
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are
  7. * met:
  8. *
  9. * * Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. *
  12. * * Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. *
  16. * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
  17. * may be used to endorse or promote products derived from this software
  18. * without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22. * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  24. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  25. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  26. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  27. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  28. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  29. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  30. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31. */
  32. package jme3tools.navigation;
  33. /**
  34. * Provides various helper methods for number conversions (such as degree to radian
  35. * conversion, decimal degree to radians etc)
  36. * @author Benjamin Jakobus, based on JMarine (by Cormac Gebruers and Benjamin
  37. * Jakobus)
  38. * @version 1.0
  39. * @since 1.0
  40. */
  41. public class NumUtil {
  42. /**
  43. * Rounds a number
  44. * @param Rval number to be rounded
  45. * @param Rpl number of decimal places
  46. * @return rounded number
  47. * @since 0.1
  48. */
  49. public float Round(float Rval, int Rpl) {
  50. float p = (float) Math.pow(10, Rpl);
  51. Rval = Rval * p;
  52. float tmp = Math.round(Rval);
  53. return tmp / p;
  54. }
  55. }