LYGIA Shader Library

Dependencies:

• lygia/lighting/material/albedo.glsl
• lygia/lighting/material/specular.glsl
• lygia/lighting/material/emissive.glsl
• lygia/lighting/material/occlusion.glsl
• lygia/lighting/material/normal.glsl
• lygia/lighting/material/metallic.glsl
• lygia/lighting/material/roughness.glsl
• lygia/lighting/material/shininess.glsl

Check it on Github

#if !defined(MATERIAL_OPT_IN)
#define RENDER_RAYMARCHING
#define SHADING_MODEL_CLEAR_COAT
#endif

#ifndef STR_MATERIAL
#define STR_MATERIAL
struct Material {
    vec4    albedo;
    vec3    emissive;

    vec3    position;       // world position of the surface
    vec3    normal;         // world normal of the surface

#if defined(RENDER_RAYMARCHING)
    float   sdf;
    bool    valid;
#endif

    #if defined(SCENE_BACK_SURFACE)
    vec3    normal_back;    // world normal of the back surface of the model
    #endif

    vec3    ior;            // Index of Refraction
    vec3    f0;             // reflectance at 0 degree

    float   roughness;
    float   metallic;
    float   ambientOcclusion;   // default 1.0

#if defined(SHADING_MODEL_CLEAR_COAT)
    float   clearCoat;
    float   clearCoatRoughness;
    #if defined(MATERIAL_HAS_CLEAR_COAT_NORMAL)
    vec3    clearCoatNormal;    // default vec3(0.0, 0.0, 1.0);
    #endif
#endif

#if defined(SHADING_MODEL_IRIDESCENCE)
    float   thickness; // default to 300.0
#endif

#if defined(SHADING_MODEL_SUBSURFACE)
    vec3    subsurfaceColor;    // default vec3(1.0)
    float   subsurfacePower;    // default to 12.234
    float   subsurfaceThickness;// default to 1.0
#endif

};
#endif

Dependencies:

• lygia/lighting/material/albedo.glsl
• lygia/lighting/material/specular.glsl
• lygia/lighting/material/emissive.glsl
• lygia/lighting/material/occlusion.glsl
• lygia/lighting/material/normal.glsl
• lygia/lighting/material/metallic.glsl
• lygia/lighting/material/roughness.glsl
• lygia/lighting/material/shininess.glsl

Check it on Github

#if !defined(MATERIAL_OPT_IN)
#define RENDER_RAYMARCHING
#define SHADING_MODEL_CLEAR_COAT
#endif

#ifndef STR_MATERIAL
#define STR_MATERIAL
struct Material
{
    float4 albedo;
    float3 emissive;

    float3 position; // world position of the surface
    float3 normal;   // world normal of the surface

#if defined(RENDER_RAYMARCHING)
    float   sdf;
    bool    valid;
#endif

#ifdef SCENE_BACK_SURFACE
    float3  normal_back;        // world normal of the back surface of the model
#endif

    float3 ior; // Index of Refraction
    float3 f0;  // reflectance at 0 degree 

    float roughness;
    float metallic;
    float ambientOcclusion; // default 1.0

#if defined(SHADING_MODEL_CLEAR_COAT)
    float   clearCoat;
    float   clearCoatRoughness;
    #if defined (MATERIAL_HAS_CLEAR_COAT_NORMAL)
    float3  clearCoatNormal;    // default float3(0.0, 0.0, 1.0)
    #endif
#endif

#if defined(SHADING_MODEL_IRIDESCENCE)
    float   thickness; // default to 300.0
#endif

#if defined(SHADING_MODEL_SUBSURFACE)
    float3    subsurfaceColor;    // default float3(1.0)
    float   subsurfacePower;    // default to 12.234
    float   subsurfaceThickness;// default to 1.0
#endif

};
#endif