learnopengl/shaders/reflective_frag.glsl

20 lines
416 B
GLSL

#version 330 core
in VS_OUT {
vec3 vert_normal;
vec3 frag_position;
vec2 uv_coords;
} fs_in;
uniform vec3 camera_position;
uniform samplerCube cubemap;
out vec4 color;
void main() {
vec3 view_direction = normalize(fs_in.frag_position - camera_position);
vec3 reflect_direction = reflect(view_direction, normalize(fs_in.vert_normal));
color = vec4(texture(cubemap, reflect_direction).rgb, 1.0);
}