var LAYER3D_CONST = { 
OBJECT_TYPE: { 
MESH: 'mesh',
SKINNED_MESH: 'skinned_mesh',
LIGHT: 'light',
CAMERA: 'camera',
SCENE: 'scene',
GROUP: 'group',
CANVAS2D: 'canvas2d'}
,
LIGHT_TYPE: { 
AMBIENT: 'ambient',
DIRECT: 'direct',
POINT: 'point',
SPOT: 'spot'}
,
MATERIAL_TYPE: { 
BASIC: 'basic',
LAMBERT: 'lambert',
PHONG: 'phong',
PBR: 'pbr',
PBR2: 'pbr2',
MATCAP: 'matcap',
POINT: 'point',
LINE: 'line',
CANVAS2D: 'canvas2d',
SHADER: 'shader',
DEPTH: 'depth',
DISTANCE: 'distance'}
,
FOG_TYPE: { 
NORMAL: 'normal',
EXP2: 'exp2'}
,
BLEND_TYPE: { 
NONE: 'none',
NORMAL: 'normal',
ADD: 'add',
CUSTOM: 'custom'}
,
BLEND_EQUATION: { 
ADD: 32774,
SUBTRACT: 32778,
REVERSE_SUBTRACT: 32779}
,
BLEND_FACTOR: { 
ZERO: 0,
ONE: 1,
SRC_COLOR: 768,
ONE_MINUS_SRC_COLOR: 769,
SRC_ALPHA: 770,
ONE_MINUS_SRC_ALPHA: 771,
DST_ALPHA: 772,
ONE_MINUS_DST_ALPHA: 773,
DST_COLOR: 774,
ONE_MINUS_DST_COLOR: 775}
,
CULL_FACE_TYPE: { 
NONE: 'none',
FRONT: 'front',
BACK: 'back',
FRONT_AND_BACK: 'front_and_back'}
,
DRAW_SIDE: { 
FRONT: 'front',
BACK: 'back',
DOUBLE: 'double'}
,
DRAW_MODE: { 
POINTS: 0,
LINES: 1,
LINE_LOOP: 2,
LINE_STRIP: 3,
TRIANGLES: 4,
TRIANGLE_STRIP: 5,
TRIANGLE_FAN: 6}
,
SHADING_TYPE: { 
SMOOTH_SHADING: 'smooth_shading',
FLAT_SHADING: 'flat_shading'}
,
VERTEX_COLOR: { 
NONE: 0,
RGB: 1,
RGBA: 2}
,
ENVMAP_COMBINE_TYPE: { 
MULTIPLY: 'ENVMAP_BLENDING_MULTIPLY',
MIX: 'ENVMAP_BLENDING_MIX',
ADD: 'ENVMAP_BLENDING_ADD'}
,
WEBGL_COMPARE_FUNC: { 
LEQUAL: 515,
GEQUAL: 518,
LESS: 513,
GREATER: 516,
EQUAL: 514,
NOTEQUAL: 517,
ALWAYS: 519,
NEVER: 512}
,
WEBGL_OP: { 
KEEP: 7680,
REPLACE: 7681,
INCR: 7682,
DECR: 7683,
INVERT: 5386,
INCR_WRAP: 34055,
DECR_WRAP: 34056}
}
; 
module.exports = LAYER3D_CONST;