ContrastNode.cs 847 B

123456789101112131415161718192021222324252627282930313233
  1. using System.Reflection;
  2. using UnityEngine;
  3. namespace UnityEditor.ShaderGraph
  4. {
  5. [Title("Artistic", "Adjustment", "Contrast")]
  6. class ContrastNode : CodeFunctionNode
  7. {
  8. public ContrastNode()
  9. {
  10. name = "Contrast";
  11. }
  12. protected override MethodInfo GetFunctionToConvert()
  13. {
  14. return GetType().GetMethod("Unity_Contrast", BindingFlags.Static | BindingFlags.NonPublic);
  15. }
  16. static string Unity_Contrast(
  17. [Slot(0, Binding.None)] Vector3 In,
  18. [Slot(1, Binding.None, 1, 1, 1, 1)] Vector1 Contrast,
  19. [Slot(2, Binding.None)] out Vector3 Out)
  20. {
  21. Out = Vector2.zero;
  22. return
  23. @"
  24. {
  25. $precision midpoint = pow(0.5, 2.2);
  26. Out = (In - midpoint) * Contrast + midpoint;
  27. }";
  28. }
  29. }
  30. }