LYGIA Shader Library

Dependencies:

• lygia/v1.1.6/math/const.glsl

Use:

<float> diffuseLambert(<vec3> light, <vec3> normal [, <vec3> view, <float> roughness] )

<float> diffuseLambert(<vec3> L, <vec3> N, <vec3> V, <float> NoV, <float> NoL, <float> roughness)

Check it on Github

#ifndef FNC_DIFFUSE_LAMBERT
#define FNC_DIFFUSE_LAMBERT
float diffuseLambert() { return INV_PI; }
float diffuseLambert(const in vec3 L, const in vec3 N) { return max(0.0, dot(N, L)); }
float diffuseLambert(const in vec3 L, const in vec3 N, const in vec3 V, const in float roughness) { return diffuseLambert(L, N); }
float diffuseLambert(const in vec3 L, const in vec3 N, const in vec3 V, const in float NoV, const in float NoL, const in float roughness) { return max(0.0, NoL); }
#endif

Use:

<float> diffuseLambert(<float3> light, <float3> normal [, <float3> view, <float> roughness] )

<float> diffuseLambert(<float3> L, <float3> N, <float3> V, <float> NoV, <float> NoL, <float> roughness)

Check it on Github

#ifndef FNC_DIFFUSE_LAMBERT
#define FNC_DIFFUSE_LAMBERT
float diffuseLambert(float3 L, float3 N) { return max(0.0, dot(N, L)); }
float diffuseLambert(float3 L, float3 N, float3 V, float roughness) { return diffuseLambert(L, N); }
float diffuseLambert(float3 L, float3 N, float3 V, float NoV, float NoL, float roughness) { return diffuseLambert(L, N); }
#endif