#version 430 compatibility 


in vec3 fragPos;
in vec3 interpNormal;
in float v_fresnel;
uniform vec3 cameraPos;
in vec3 incident;
uniform samplerCube bubble;
layout (binding = 0) uniform samplerCube tex_map;
void main()
{   
    float ratio = 1.33 / 1.00;
    vec3 I = normalize(fragPos - cameraPos);
    vec3 R = refract(I, normalize(interpNormal), ratio);

    vec3 r = reflect(normalize(-fragPos), normalize(interpNormal));
    

    vec4 reflectionColor = texture( tex_map, r );
    vec4 refractionColor = texture( tex_map, R );

     

    gl_FragColor = vec4(mix( reflectionColor,refractionColor,0  ).rgba);
}