Verge3D PzLib API — Textures

# Textures

#### (constant) CHECKER_IMAGE :string

A base64 string that represents a PNG texture with a black-and-white checker pattern.

##### Type:

- string

#### (constant) ENVIRONMENT_IMAGE :string

A base64 string that represents a default HDR environment texture.

##### Type:

- string

#### (constant) LTC_MAT_1 :Array

Pre-computed values of the LTC(Linearly Transformed Cosines) approximation for BRDF. This is a float texture of 64x64 size containing values for performing the transformation from the BRDF space to the space of the cosine distribution.

##### Type:

- Array

See:
  - https://eheitzresearch.wordpress.com/415-2/

#### (constant) LTC_MAT_2 :Array

Pre-computed values of the LTC(Linearly Transformed Cosines) approximation for Fresnel. This is a float texture of 64x64 size containing values for performing the calculation of the Fresnel effect.

##### Type:

- Array

See:
  - http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf