Raanan Weber ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
..
Space ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
cubemapDebug ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
customProceduralTextures ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
fire ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
gui ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
icons ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
lava ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
spriteMap ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
360photo.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
BJS-logo_v3-astc.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
BJS-logo_v3-dxt.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
BJS-logo_v3-etc2.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
BJS-logo_v3-pvrtc.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
BJS-logo_v3.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
ColorGrading.3DL 257de4f0e2 Fix type definition 7 vuotta sitten
DemageFont.fnt fceeb26cac Added missing pg textures 8 vuotta sitten
DemageFont.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Dot.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Fire_SpriteSheet1_8x8.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Fire_SpriteSheet2_8x8.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Fire_SpriteSheet3_8x8.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Fire_SpriteSheet_8x8.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
FlameBlastSpriteSheet.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Flare2.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
FlashParticle.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
GatonaParkWalkway1_Panorama_4Kx2K.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
HorrorBlue.3dl fceeb26cac Added missing pg textures 8 vuotta sitten
LateSunset.3dl fceeb26cac Added missing pg textures 8 vuotta sitten
Logo.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
PBR_PACK_1_texurePackage.json 3cc744e5d3 Create PBR_PACK_1_texurePackage.json 5 vuotta sitten
ParallaxDiffuse.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
ParallaxNormal.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Rain.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Runyon_Canyon_A_2k_cube_specular.dds dc2aa70d38 add new texture 7 vuotta sitten
Runyon_Canyon_A_2k_cube_specular.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
Smoke_SpriteSheet_8x8.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
Spark.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
SpecularHDR.dds c3b28ecbd6 Add new paramter to createDefaultSkybox 8 vuotta sitten
SpecularHDR.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
Studio_Softbox_2Umbrellas_cube_specular.dds 42d0977581 New textures for PG 7 vuotta sitten
Studio_Softbox_2Umbrellas_cube_specular.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
SunDiffuse.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
TestPack_texurePackage.json 19267621fe Export and Load 5 vuotta sitten
TropicalSunnyDay_nx.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
TropicalSunnyDay_ny.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
TropicalSunnyDay_nz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
TropicalSunnyDay_px.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
TropicalSunnyDay_py.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
TropicalSunnyDay_pz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
WhiteTransarentRamp.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
albedo.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
amiga.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
babylonjs.mp4 504c5a2e9a added FIXED_EQUIRECTANGULAR_MIRRORED_MODE 8 vuotta sitten
babylonjs.webm 504c5a2e9a added FIXED_EQUIRECTANGULAR_MIRRORED_MODE 8 vuotta sitten
big_buck_bunny.mp4 fceeb26cac Added missing pg textures 8 vuotta sitten
blenderSpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
bloc.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
candleopacity.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
checkerBJS-astc.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
checkerBJS-dxt.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
checkerBJS-etc2.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
checkerBJS-pvrtc.ktx 0d84094e35 some ktx examples + new cubemapDebug 6 vuotta sitten
checkerBJS.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
circusArenaHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
cloud.png 8c7ded67f3 First playground check 8 vuotta sitten
co.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
colorGrade-highContrast.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
colorGrade-inverted.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
colorGrade-posterize.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
colorGrade.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
country.dds ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
country.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
country.hdr fceeb26cac Added missing pg textures 8 vuotta sitten
countrySpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
crate.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
deltaParkHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
detailmap.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
distortion.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
down.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
earth.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
earthnormal.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
ennisSpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
environment.dds 943aa3345a Fixing skybox size for sandbox 8 vuotta sitten
environment.env 263f0ec973 envTexture.dds to .env 7 vuotta sitten
environment.hdr 257de4f0e2 Fix type definition 7 vuotta sitten
equirectangular.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
fan.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
fire.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
fire.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
fireplaceHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
flare.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
flare3.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
floor.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
floor_bump.PNG ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
footprintCourtSpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
forest.dds ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
forest.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
forest.hdr fceeb26cac Added missing pg textures 8 vuotta sitten
fur.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
garageSpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
grass.dds 8c7ded67f3 First playground check 8 vuotta sitten
grass.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
grass.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
grassn.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
graySpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
ground.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
heightMap.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
heightMapTriPlanar.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
hollow.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
houseWithAlpha.basis 68fdfc9168 add alpha test basis file 6 vuotta sitten
impact.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
indoorSpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
invert.3dl 3afba78dac Fix 3dl ColorGrading Texture 7 vuotta sitten
invmask.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
kloofendalPartlyCloudyHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
lenscolor.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
lensdirt.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
lensflaredirt.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
lensstar.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
leopard_fur.JPG ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
mask.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
mercator.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
mercator2.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
misc.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
mistyPinesHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
mixMap.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
mixMap_2.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
mountainFieldHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
mr.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
nba.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
night.dds ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
night.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
night.hdr fceeb26cac Added missing pg textures 8 vuotta sitten
nightBridgeHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
nightSpecularHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
normal.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
normalMap.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
opacity.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
orient.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
pack1.json 312ecec463 packed spritesheet to use in PG for docs 6 vuotta sitten
pack1.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
palm.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
panel_blue2x.9.direct.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
panel_blue2x.9.inv.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
panel_blue2x.9.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
parkPathHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
parking.dds ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
parking.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
parking.hdr fceeb26cac Added missing pg textures 8 vuotta sitten
particle.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
plane.basis 98facb9082 .basis file support 6 vuotta sitten
player.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
reflectivity.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
rock.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
rockn.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
rockyGround_basecolor.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
rockyGround_metalRough.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
rockyGround_normal.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
room.dds ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
room.env ae8223c9ae hdrTexture availabled in all formats 6 vuotta sitten
room.hdr 8c7ded67f3 First playground check 8 vuotta sitten
roundMask.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sand.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sg.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
shanghaiBundHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
sidexside.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skateParkHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
skybox2_nx.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox2_ny.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox2_nz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox2_px.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox2_py.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox2_pz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox3_nx.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox3_ny.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox3_nz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox3_px.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox3_py.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox3_pz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox4_nx.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox4_ny.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox4_nz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox4_px.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox4_py.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox4_pz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skyboxBlack_nx.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skyboxBlack_ny.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skyboxBlack_nz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skyboxBlack_px.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skyboxBlack_py.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skyboxBlack_pz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox_nx.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox_ny.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox_nz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox_px.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox_py.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
skybox_pz.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sparkStretched.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sparkle.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sparkle2.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sparks.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
speckles.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
specmap.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
spectorjsLayer.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
specularglossymap.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sphereMap.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
stars.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sun.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
sunnyVondelparkHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
test2D.dds 6dc0238cbd Add dds 2d test. 7 vuotta sitten
tiergartenOvercastHDR.dds 7764cae133 Adding DDS hdr mipmaps courtesy of sbtron (https://github.com/sbtron/BabylonJS-glTFLoader) and Naker (https://forum.babylonjs.com/t/take-and-give-dds/5047) 6 vuotta sitten
topbottom.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
tree.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
up.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
walk.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
waterbump.png ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
wood.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
worldHeightMap.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
xStrip.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
yStrip.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten
zStrip.jpg ecb52e4493 optimized playground resources (#8382) 5 vuotta sitten