sumLightsV.glsl
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:1k
源码类别:

游戏引擎

开发平台:

C++ Builder

  1. /**
  2.  * @file sumLightsV.glsl
  3.  *
  4.  * Copyright (c) 2005-$CurrentYear$, Linden Research, Inc.
  5.  * $License$
  6.  */
  7. float calcDirectionalLight(vec3 n, vec3 l);
  8. vec3 atmosAmbient(vec3 light);
  9. vec3 atmosAffectDirectionalLight(float lightIntensity);
  10. vec3 scaleDownLight(vec3 light);
  11. vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
  12. {
  13. vec4 col;
  14. col.a = color.a;
  15. col.rgb = gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
  16. col.rgb = scaleDownLight(col.rgb);
  17. col.rgb += atmosAmbient(baseLight.rgb);
  18. col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
  19. col.rgb = min(col.rgb*color.rgb, 1.0);
  20. return col;
  21. }