Frag shader

#version 400


in vec4 vPosition;
in vec3 vNormal;
in vec2 vTexCoord;

//uniform float LowThreshold;
//uniform float HighThreshold;

uniform sampler2D sampler0; // noise texture

layout( location = 0 ) out vec4 FragColor;
layout( location = 1 ) out vec4 BrightColor;

vec3 PhongModel(vec4 eyePosition, vec3 eyeNorm)
{
	vec3 s = normalize(vec3(vec3(-100,50,-100) - eyePosition)); // Ошибка
	vec3 v = normalize(-eyePosition.xyz);
	vec3 r = reflect(-s, eyeNorm);
	vec3 n = eyeNorm;
	vec3 ambient = vec3(0.1,0.5,0.1) * vec3(1,1,1);
	float sDotN = max(dot(s, n), 0.0f);
	vec3 diffuse = vec3(1.0) * vec3(1.0) * sDotN;
	vec3 specular = vec3(0.0f);
	float eps = 0.000001f; // add eps to shininess below -- pow not defined if second argument is 0 (as described in GLSL documentation)
	if (sDotN > 0.0f)
		specular = vec3(1.0) * vec3(1.0) * pow(max(dot(r, v), 0.0f), 15.0f + eps);


	return ambient + diffuse + specular;
}

void main()
{
  vec4 noise = texture( sampler0, vTexCoord );
  vec3 color = PhongModel(vPosition,vNormal);
  if(noise.a < 0.1) discard;
  if(noise.a > 0.5) discard;
  FragColor = vec4(color, 1.0f);
}