// This file has been automatically generated from resource file src/Shaders/PointLightAttenuation.glsl

static const char Shaders_PointLightAttenuation_glsl[] =
  "//! Returns point light source attenuation factor\n"
  "float occRangedPointLightAttenuation (in float theDistance, in float theRange)\n"
  "{\n"
  "  if (theDistance <= theRange)\n"
  "  {\n"
  "    float aResult = theDistance / theRange;\n"
  "    aResult *= aResult;\n"
  "    aResult *= aResult;\n"
  "    aResult = 1.0 - aResult;\n"
  "    aResult = clamp(aResult, 0.0, 1.0);\n"
  "    aResult /= max(0.0001, theDistance * theDistance);\n"
  "    return aResult;\n"
  "  }\n"
  "  return -1.0;\n"
  "}\n"
  "\n"
  "//! Returns point light source attenuation factor with quadratic attenuation in case of zero range.\n"
  "float occPointLightAttenuation (in float theDistance, in float theRange)\n"
  "{\n"
  "  if (theRange == 0.0)\n"
  "  {\n"
  "    return 1.0 / max(0.0001, theDistance * theDistance);\n"
  "  }\n"
  "  return occRangedPointLightAttenuation (theDistance, theRange);\n"
  "}\n"
  "\n"
  "//! Returns point light source attenuation factor with linear attenuation in case of zero range.\n"
  "float occPointLightAttenuation (in float theDistance, in float theRange, in float theLinearAttenuation, in float theConstAttenuation)\n"
  "{\n"
  "  if (theRange == 0.0)\n"
  "  {\n"
  "    return 1.0 / (theConstAttenuation + theLinearAttenuation * theDistance);\n"
  "  }\n"
  "  return occRangedPointLightAttenuation (theDistance, theRange);\n"
  "}\n";