veloren/assets/voxygen/shaders/fluid-frag.glsl

#version 330 core

#include <globals.glsl>

in vec3 f_pos;
flat in vec3 f_norm;
in vec3 f_col;
in float f_light;
in float f_opac;

layout (std140)
uniform u_locals {
    vec3 model_offs;
};

out vec4 tgt_color;

#include <sky.glsl>
#include <light.glsl>

void main() {
    vec3 light = get_sun_diffuse(f_norm, time_of_day.x) * f_light + light_at(f_pos, f_norm);
    vec3 surf_color = f_col * light;

	float fog_level = fog(f_pos.xy, focus_pos.xy);
    vec3 fog_color = get_sky_color(normalize(f_pos - cam_pos.xyz), time_of_day.x);

	vec3 warped_norm = normalize(f_norm + (sin(f_pos.xyz + tick.x + 13.7) + sin(f_pos.zxy + tick.x + 19.3)) * 0.3);
	vec3 reflect_color = get_sky_color(reflect(normalize(f_pos - cam_pos.xyz), warped_norm), time_of_day.x);

	vec3 color = mix(surf_color + reflect_color * 0.5, fog_color, fog_level);

    tgt_color = vec4(color, f_opac);
}