~zhitong.yu/bs.git

glTF!.{"accessors":{"accessor_position":{"bufferView":"bufferView_0","byteOffset":960,"byteStride":0,"componentType":5123,"count":240,"type":"VEC3","min":[0,0,0],"max":[65535,65535,65535],"extensions":{"WEB3D_quantized_attributes":{"decodedMin":[-77.1432876586914,-42.96331787109375,-67.52114868164062],"decodedMax":[77.76256561279297,46.61709976196289,72.33715057373047],"decodeMatrix":[0.002363711806996023,0,0,0,0,0.0013669095541780215,0,0,0,0,0.0021341008507724285,0,-77.1432876586914,-42.96331787109375,-67.52114868164062,1]}}},"accessor_normal":{"bufferView":"bufferView_0","byteOffset":2400,"byteStride":0,"componentType":5121,"count":240,"type":"VEC2","min":[26,13],"max":[229,240]},"accessor_uv":{"bufferView":"bufferView_0","byteOffset":0,"byteStride":0,"componentType":5126,"count":240,"type":"SCALAR","min":[0],"max":[16777215]},"accessor_index_0":{"bufferView":"bufferView_1","byteOffset":0,"byteStride":0,"componentType":5123,"count":360,"type":"SCALAR","min":[0],"max":[239]},"accessor_batchId":{"bufferView":"bufferView_batchId","byteOffset":0,"byteStride":0,"componentType":5123,"count":240,"type":"SCALAR","min":[0],"max":[9]}},"asset":{"generator":"3d-tiles-generator","version":"1.0","profile":{"api":"WebGL","version":"1.0"},"premultipliedAlpha":true},"buffers":{"binary_glTF":{"type":"arraybuffer","byteLength":7689,"uri":"data:,"}},"bufferViews":{"bufferView_0":{"buffer":"binary_glTF","byteLength":2880,"byteOffset":0,"target":34962},"bufferView_1":{"buffer":"binary_glTF","byteLength":720,"byteOffset":2880,"target":34963},"bufferView_batchId":{"buffer":"binary_glTF","byteLength":480,"byteOffset":3600,"target":34962},"binary_bufferView0":{"buffer":"binary_glTF","byteLength":2738,"byteOffset":4080},"binary_bufferView1":{"buffer":"binary_glTF","byteLength":871,"byteOffset":6818}},"extensionsUsed":["WEB3D_quantized_attributes","CESIUM_RTC","KHR_binary_glTF"],"images":{},"materials":{"material_0":{"technique":"technique0","values":{"ambient":[0.2,0.2,0.2,1],"diffuse":[1,1,1,1],"emission":[0,0,0,1],"specular":[0,0,0,1],"shininess":0,"transparency":1}}},"meshes":{"mesh":{"primitives":[{"attributes":{"POSITION":"accessor_position","NORMAL":"accessor_normal","TEXCOORD_0":"accessor_uv","_BATCHID":"accessor_batchId"},"indices":"accessor_index_0","material":"material_0","mode":4}]}},"nodes":{"rootNode":{"matrix":[1,0,0,0,0,0,-1,0,0,1,0,0,0,0,0,1],"meshes":["mesh"],"name":"rootNode","children":[]}},"samplers":{},"scene":"scene","scenes":{"scene":{"nodes":["rootNode"]}},"textures":{},"animations":{},"cameras":{},"programs":{"program0":{"attributes":["a_position","a_normal","a_texcoord_0","a_batchId"],"fragmentShader":"fragmentShader0","vertexShader":"vertexShader0"}},"shaders":{"vertexShader0":{"type":35633,"uri":"data:,","extensions":{"KHR_binary_glTF":{"bufferView":"binary_bufferView0"}}},"fragmentShader0":{"type":35632,"uri":"data:,","extensions":{"KHR_binary_glTF":{"bufferView":"binary_bufferView1"}}}},"skins":{},"techniques":{"technique0":{"attributes":{"a_position":"position","a_normal":"normal","a_texcoord_0":"texcoord_0","a_batchId":"batchId"},"parameters":{"modelViewMatrix":{"semantic":"CESIUM_RTC_MODELVIEW","type":35676},"projectionMatrix":{"semantic":"PROJECTION","type":35676},"normalMatrix":{"semantic":"MODELVIEWINVERSETRANSPOSE","type":35675},"ambient":{"type":35666},"diffuse":{"type":35666,"semantic":"_3DTILESDIFFUSE"},"emission":{"type":35666},"specular":{"type":35666},"shininess":{"type":5126},"transparency":{"type":5126},"position":{"semantic":"POSITION","type":35665},"normal":{"semantic":"NORMAL","type":35667},"texcoord_0":{"semantic":"TEXCOORD_0","type":5126},"batchId":{"semantic":"_BATCHID","type":5123}},"program":"program0","states":{"enable":[2884,2929]},"uniforms":{"u_modelViewMatrix":"modelViewMatrix","u_projectionMatrix":"projectionMatrix","u_normalMatrix":"normalMatrix","u_ambient":"ambient","u_diffuse":"diffuse","u_emission":"emission","u_specular":"specular","u_shininess":"shininess","u_transparency":"transparency"}}},"extensions":{"CESIUM_RTC":{"center":[1214988.419024718,-4736314.722631629,4081609.6544529707]}}}   ðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðEðKÿÿKðEðKðEÿÿKðKÿÿKðEðKðEÿÿKðKðEÿÿKðKÿÿKðE £Êtp¯zpw3Cy{¡âCy,¡ò9i)C9i«[ôq    ôq)C9i«[ôqw3Cy¯zp,¡ò9i ôq{¡âCy £Êtp   ôq«[ôqw3Cy{¡âCy,¡ò9i)C9i¯zp £ÊtpªËþ>4¤$þ>6¡.8ÜN¬õ/ÜNº0\3¡ó8\3M:CäD:C¡ó8\3M:C6¡.8ÜN4¤$þ>º0\3äD:C¬õ/ÜNªËþ>äD:CM:C6¡.8ÜN¬õ/ÜNº0\3¡ó8\34¤$þ>ªËþ>}Ý¥¹Sè]¾S»æ»Ç²ÜÃ²ÛÕÉT¸åÎTTäê×³²Ù3Ó³¸åÎTTäê×³»æ»Ç²è]¾SÛÕÉT²Ù3Ó³ÜÃ²}Ý¥¹S²Ù3Ó³Täê×³»æ»Ç²ÜÃ²ÛÕÉT¸åÎTè]¾S}Ý¥¹S]Tè}N\n5[ÖW¡DSPW¡BQÙà3Y_àXÇ´)PA´3Y_àXÇ´5[ÖW¡N\nBQÙà)PA´DSPW¡]Tè})PA´XÇ´5[ÖW¡DSPW¡BQÙà3Y_àN\n]Tè}¤ñ 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  !" "#&%$'&$*)(+*(,-.,./01202365476489:8:;>=<?><BA@CB@DEFDFGHIJHJKNMLONLPQRPRSVUTWVTZYX[ZX\]^\^_`ab`bcfedgfdhijhjknmlonlrqpsrptuvtvwxyzxz{~}|~|¢¡ £¢ ¤¥¦¤¦§¨©ª¨ª«®¬¯®¬°±²°²³¶µ´·¶´º¹¸»º¸¼½¾¼¾¿ÀÁÂÀÂÃÆÅÄÇÆÄÈÉÊÈÊËÎÍÌÏÎÌÒÑÐÓÒÐÔÕÖÔÖ×ØÙÚØÚÛÞÝÜßÞÜàáâàâãæåäçæäêéèëêèìíîìîï                                                                      attribute float a_batchId;
 
 
 
 
 
 
 
 
 
 vec2 gltf_decompressTextureCoordinates(float encoded)
 {
    float temp = encoded / 4096.0;
    float xZeroTo4095 = floor(temp);
    float stx = xZeroTo4095 / 4095.0;
    float sty = (encoded - xZeroTo4095 * 4096.0) / 4095.0;
    return vec2(stx, sty);
 }
 
 
 
#line 0
 
#line 0
attribute float a_texcoord_0;
vec2 gltf_com_a_texcoord_0;
 
 
 
 
 
 
 
 
 
 
float gltf_signNotZero(float value)
{
    return value >= 0.0 ? 1.0 : -1.0;
}
 
vec2 gltf_signNotZero(vec2 value)
{
    return vec2(gltf_signNotZero(value.x), gltf_signNotZero(value.y));
}
 
vec3 gltf_signNotZero(vec3 value)
{
    return vec3(gltf_signNotZero(value.x), gltf_signNotZero(value.y), gltf_signNotZero(value.z));
}
 
vec4 gltf_signNotZero(vec4 value)
{
    return vec4(gltf_signNotZero(value.x), gltf_signNotZero(value.y), gltf_signNotZero(value.z), gltf_signNotZero(value.w));
}
 
 
 
 
 
 
 
 
 
 
 
  vec3 gltf_octDecode(vec2 encoded, float range)
  {
      if (encoded.x == 0.0 && encoded.y == 0.0) {
          return vec3(0.0, 0.0, 0.0);
      }
 
     encoded = encoded / range * 2.0 - 1.0;
     vec3 v = vec3(encoded.x, encoded.y, 1.0 - abs(encoded.x) - abs(encoded.y));
     if (v.z < 0.0)
     {
         v.xy = (1.0 - abs(v.yx)) * gltf_signNotZero(v.xy);
     }
 
     return normalize(v);
  }
 
 
 
 
 
 
 
 
 
 
 vec3 gltf_octDecode(vec2 encoded)
 {
    return gltf_octDecode(encoded, 255.0);
 }
 
 
 
 
 
 
 
 
 
 
 vec3 gltf_octDecode(float encoded)
 {
    float temp = encoded / 256.0;
    float x = floor(temp);
    float y = (temp - x) * 256.0;
    return gltf_octDecode(vec2(x, y));
 }
 
 
 
 
 
 
 
 
 
 
 
 
  void gltf_octDecode(vec2 encoded, out vec3 vector1, out vec3 vector2, out vec3 vector3)
 {
    float temp = encoded.x / 65536.0;
    float x = floor(temp);
    float encodedFloat1 = (temp - x) * 65536.0;
 
    temp = encoded.y / 65536.0;
    float y = floor(temp);
    float encodedFloat2 = (temp - y) * 65536.0;
 
    vector1 = gltf_octDecode(encodedFloat1);
    vector2 = gltf_octDecode(encodedFloat2);
    vector3 = gltf_octDecode(vec2(x, y));
 }
 
 
 
 
#line 0
 
#line 0
attribute vec2 a_normal;
vec3 gltf_oct_dec_a_normal;
 
 
uniform mat4 u_modelViewMatrix;
uniform mat4 u_projectionMatrix;
uniform mat3 u_normalMatrix;
attribute vec3 a_position;
varying vec3 v_positionEC;
 
varying vec3 v_normal;
void gltf_oct_dec_normal() {
  vec4 pos = u_modelViewMatrix * vec4(a_position,1.0);
  v_positionEC = pos.xyz;
  gl_Position = u_projectionMatrix * pos;
  v_normal = u_normalMatrix * gltf_oct_dec_a_normal;
}
 
void gltf_com_texcoord_a_texcoord_0() {
    gltf_oct_dec_a_normal = gltf_octDecode(a_normal);
    gltf_oct_dec_normal();
}
 
void main() {
    gltf_com_a_texcoord_0 = gltf_decompressTextureCoordinates(a_texcoord_0);
    gltf_com_texcoord_a_texcoord_0();
}
precision highp float;
uniform vec4 u_ambient;
uniform vec4 u_diffuse;
uniform vec4 u_emission;
uniform vec4 u_specular;
uniform float u_shininess;
uniform float u_transparency;
varying vec3 v_positionEC;
varying vec3 v_normal;
void main(void) {
  vec3 normal = normalize(v_normal);
  vec4 diffuse = u_diffuse;
  vec3 diffuseLight = vec3(0.0, 0.0, 0.0);
  vec3 emission = u_emission.rgb;
  vec3 ambient = u_ambient.rgb;
  vec3 viewDir = -normalize(v_positionEC);
  vec3 ambientLight = vec3(0.0, 0.0, 0.0);
  ambientLight += vec3(0.2, 0.2, 0.2);
  vec3 l = normalize(czm_sunDirectionEC);
  diffuseLight += vec3(1.0, 1.0, 1.0) * max(dot(normal,l), 0.);
  vec3 color = vec3(0.0, 0.0, 0.0);
  color += diffuse.rgb * diffuseLight;
  color += emission;
  color += ambient * ambientLight;
  gl_FragColor = vec4(color * diffuse.a * u_transparency, diffuse.a * u_transparency);
}