terravisor/shaders/fragment.glsl

#version 450 core

in vec3 fragPosition;
out vec4 FragColor;

void main() {
    FragColor = vec4(fragPosition * 0.5f + 0.5f, 1.0f);
}





// layout(binding = 0) uniform sampler2D heightTexture;
// layout(location = 1) uniform float time;

// layout(std140, binding = 0) uniform SceneUniforms
// {
//     mat4 PV;	//camera projection * view matrix
//     vec4 eye_w;	//world-space eye position
// };

// layout(std140, binding = 1) uniform LightUniforms
// {
//     vec4 La;	//ambient light color
//     vec4 Ld;	//diffuse light color
//     vec4 Ls;	//specular light color
//     vec4 light_w; //world-space light position
// };

// layout(std140, binding = 2) uniform MaterialUniforms
// {
//     vec4 ka;	//ambient material color
//     vec4 kd;	//diffuse material color
//     vec4 ks;	//specular material color
//     float shininess; //specular exponent
// };

// in vec3 frag_position;

// in VertexData {
//     vec2 tex_coord;
// } inData;

// out vec4 frag_color; //the output color for this fragment    

// void main(void)
// {   
//     //Compute per-fragment Phong lighting
//     // vec4 ktex = vec4(vec3(texture(heightTexture, inData.tex_coord).r, 1.0);
        
//     // vec4 ambient_term = ka*ktex*La;

//     // const float eps = 1e-8; //small value to avoid division by 0
//     // float d = distance(light_w.xyz, inData.pw.xyz);
//     // float atten = 1.0/(d*d+eps); //d-squared attenuation

//     // vec3 nw = normalize(inData.nw);			//world-space unit normal vector
//     // vec3 lw = normalize(light_w.xyz - inData.pw.xyz);	//world-space unit light vector
//     // vec4 diffuse_term = atten*kd*ktex*Ld*max(0.0, dot(nw, lw));

//     // vec3 vw = normalize(eye_w.xyz - inData.pw.xyz);	//world-space unit view vector
//     // vec3 rw = reflect(-lw, nw);	//world-space unit reflection vector

//     // vec4 specular_term = atten*ks*Ls*pow(max(0.0, dot(rw, vw)), shininess);

//     // frag_color = ambient_term + diffuse_term + specular_term;


//     float height = texture(heightTexture, inData.tex_coord).r;

//     //frag_color = vec4(inData.tex_coord, 0.0f, 1.0f);

//     // if (height > 0.8) frag_color = vec4(vec3(1.0f-height), 1.0f);
//     // else frag_color = vec4(vec3(height), 1.0f);
//     frag_color = vec4(height, height, height, 1.0);
// }