message: fix impostor sphere near clipping
diff: @@ -68,6 +68,7 @@ bool SphereImpostor(out vec3 modelPos, out vec3 cameraPos, out vec3 cameraNormal
  fragmentDepth = calcDepth(cameraPos);
  cameraNormal = -normalize(cameraPos - cameraSpherePos);
  interior = true;
  + if (fragmentDepth > 0.0) {
  #ifdef dSolidInterior
  if (!objectClipped) {
  fragmentDepth = 0.0 + (0.0000001 / vRadius);
  @@ -76,6 +77,7 @@ bool SphereImpostor(out vec3 modelPos, out vec3 cameraPos, out vec3 cameraNormal
  #endif
  return true;
  }
  + }
  return false;
  }
  