RandomRangeNode.cs 910 B

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  1. using UnityEngine;
  2. using System.Reflection;
  3. namespace UnityEditor.ShaderGraph
  4. {
  5. [Title("Math", "Range", "Random Range")]
  6. class RandomRangeNode : CodeFunctionNode
  7. {
  8. public RandomRangeNode()
  9. {
  10. name = "Random Range";
  11. }
  12. protected override MethodInfo GetFunctionToConvert()
  13. {
  14. return GetType().GetMethod("Unity_RandomRange", BindingFlags.Static | BindingFlags.NonPublic);
  15. }
  16. static string Unity_RandomRange(
  17. [Slot(0, Binding.None)] Vector2 Seed,
  18. [Slot(1, Binding.None)] Vector1 Min,
  19. [Slot(2, Binding.None, 1, 1, 1, 1)] Vector1 Max,
  20. [Slot(3, Binding.None)] out Vector1 Out)
  21. {
  22. return
  23. @"
  24. {
  25. $precision randomno = frac(sin(dot(Seed, $precision2(12.9898, 78.233)))*43758.5453);
  26. Out = lerp(Min, Max, randomno);
  27. }";
  28. }
  29. }
  30. }