Empty4Raycast.cs 1.7 KB

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  1. /****************************************************************************
  2. * Copyright (c) 2018.5 liangxie
  3. *
  4. * http://qframework.io
  5. * https://github.com/liangxiegame/QFramework
  6. *
  7. * Permission is hereby granted, free of charge, to any person obtaining a copy
  8. * of this software and associated documentation files (the "Software"), to deal
  9. * in the Software without restriction, including without limitation the rights
  10. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11. * copies of the Software, and to permit persons to whom the Software is
  12. * furnished to do so, subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be included in
  15. * all copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23. * THE SOFTWARE.
  24. ****************************************************************************/
  25. namespace QFramework
  26. {
  27. using UnityEngine.UI;
  28. /// <inheritdoc />
  29. /// <summary>
  30. /// reference from :http://gad.qq.com/article/detail/37846
  31. /// 替换空 Image 扩大点击区域,降低 Drawcall。
  32. /// </summary>
  33. public class Empty4Raycast : MaskableGraphic
  34. {
  35. protected Empty4Raycast()
  36. {
  37. useLegacyMeshGeneration = false;
  38. }
  39. protected override void OnPopulateMesh(VertexHelper toFill)
  40. {
  41. toFill.Clear();
  42. }
  43. }
  44. }