#version 450 core
layout (location=0) out vec4 fCol;
layout (location=1) out vec3 fPos;
layout (location=2) out vec4 fNorm;
in vec3 vTexCoords;
in vec4 vPos;
in float vAng;
layout (binding=40) uniform sampler2DArray diffuseSampler;
layout (binding=41) uniform sampler2DArray normalSampler;
vec2 rotateV2 (float a, vec2 v)
{ return vec2(v.x*cos(a) - v.y*sin(a), v.x*sin(a) + v.y*cos(a)); }
void main()
{
  fCol = texture(diffuseSampler,vTexCoords);
  fPos = vPos.xyz;
  vec4 basenorm = texture(normalSampler,vTexCoords) - 0.5;
  vec2 n1 = rotateV2(vAng,vec2(basenorm.x,basenorm.z));
  fNorm = vec4(-vec3(n1,basenorm.y),0);
}