Math.html 2.1 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879
  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="utf-8" />
  5. <script src="../../list.js"></script>
  6. <script src="../../page.js"></script>
  7. <link type="text/css" rel="stylesheet" href="../../page.css" />
  8. </head>
  9. <body>
  10. <h1>[name]</h1>
  11. <div class="desc">Math utility functions</div>
  12. <h2>Properties</h2>
  13. <h2>Methods</h2>
  14. <h3>.clamp( [page:Float x], [page:Float a], [page:Float b] ) [page:Float]</h3>
  15. <div>
  16. x — Value to be clamped.<br />
  17. a — Minimum value<br />
  18. b — Maximum value.
  19. </div>
  20. <div>
  21. Clamps the *x* to be between *a* and *b*.
  22. </div>
  23. <h3>.clampBottom( [page:Float x], [page:Float a] ) [page:Float]</h3>
  24. <div>
  25. x — Value to be clamped.<br />
  26. a — Minimum value
  27. </div>
  28. <div>
  29. Clamps the *x* to be larger than *a*.
  30. </div>
  31. <h3>.mapLinear( [page:Float x], [page:Float a1], [page:Float a2], [page:Float b1], [page:Float b2] ) [page:Float]</h3>
  32. <div>
  33. x — Value to be mapped.<br />
  34. a1 — Minimum value for range A.<br />
  35. a2 — Maximum value for range A.<br />
  36. b1 — Minimum value for range B.<br />
  37. b2 — Maximum value for range B.
  38. </div>
  39. <div>
  40. Linear mapping of *x* from range [*a1*, *a2*] to range [*b1*, *b2*].
  41. </div>
  42. <h3>.random16() [page:Float]</h3>
  43. <div>
  44. Random float from 0 to 1 with 16 bits of randomness.<br />
  45. Standard Math.random() creates repetitive patterns when applied over larger space.
  46. </div>
  47. <h3>.randInt( [page:Integer low], [page:Integer high] ) [page:Integer]</h3>
  48. <div>
  49. Random integer from *low* to *high* interval.
  50. </div>
  51. <h3>.randFloat( [page:Float low], [page:Float high] ) [page:Float]</h3>
  52. <div>
  53. Random float from *low* to *high* interval.
  54. </div>
  55. <h3>.randFloatSpread( [page:Float range] ) [page:Float]</h3>
  56. <div>
  57. Random float from *- range / 2* to *range / 2* interval.
  58. </div>
  59. <h3>.sign( [page:Float x] ) [page:Float]</h3>
  60. <div>
  61. Returns -1 if *x* is less than 0, 1 if *x* is greater than 0, and 0 if *x* is zero.
  62. </div>
  63. <h2>Source</h2>
  64. [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
  65. </body>
  66. </html>