paysages3d/src/render/opengl/shaders/water.frag

uniform vec4 waterMaterialColor;
uniform float waterMaterialReflection;
uniform float waterMaterialShininess;
uniform float waterMaterialHardness;
uniform float waterReflection;
uniform float[4] waterNoise;
out vec4 final_color;

float getDetail(vec3 location) {
    return max(min(pow(length(location - cameraLocation) * 0.001, 2.0), 0.01), 0.00002);
}

void main(void)
{
    vec3 normal = noiseNormal2d(waterNoise, unprojected.xz, getDetail(unprojected));

    final_color = applyLighting(unprojected, normal, waterMaterialColor, waterMaterialReflection, waterMaterialShininess, waterMaterialHardness);

    vec3 reflected = reflect(unprojected - cameraLocation, normal);
    reflected.y = max(reflected.y, 0.0);
    final_color += getSkyColor(unprojected, reflected) * waterReflection;

    final_color = applyAerialPerspective(final_color);

    final_color = applyToneMapping(final_color);

    final_color = applyMouseTracking(unprojected, final_color);

    final_color.a = distanceFadeout();
}