#version 400
uniform mat4 camera;
uniform mat4 modelViewMatrix;
uniform mat4 projectionMatrix;

uniform mat4 normalMatrix;
uniform mat4 modelMatrix;

layout(location = 0) in vec3 position;
layout(location = 1) in vec2 inCoord;

layout (location = 2) in float zPos;
layout (location =3) in vec3 inNormal;

//in float height;
out vec2 fragTexCoord;
out vec2 tilePos;
out vec3 fragVert;
smooth out vec3 vWorldPos;
uniform mat4 MVP;
smooth out vec3 vNormal;
out float z_pos;
void main()
{

vec4 inPositionScaled = vec4(position, 1.0);
  gl_Position = MVP *vec4(position.x,position.y,zPos, 1.0);
  vec4 texp= modelViewMatrix *vec4(position.x,position.y,0, 1.0);
  fragTexCoord = vec2(texp.x/2,texp.y/2);
  vec4 tpos = modelMatrix*vec4(position.x,position.y,0, 1.0);
  tilePos = vec2(tpos.x,tpos.y);
  //vColor = vec4(color, 1.0);
  vec4 vRes = vec4(inNormal, 0.0);
     vNormal = inNormal.xyz;
  fragVert = position;

  vec4 vWorldPosLocal =modelMatrix*inPositionScaled;
  vWorldPos = vWorldPosLocal.xyz;
  z_pos=zPos;
}