PolylineVS.js 4.0 KB

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  1. //This file is automatically rebuilt by the Cesium build process.
  2. export default "in vec3 position3DHigh;\n\
  3. in vec3 position3DLow;\n\
  4. in vec3 position2DHigh;\n\
  5. in vec3 position2DLow;\n\
  6. in vec3 prevPosition3DHigh;\n\
  7. in vec3 prevPosition3DLow;\n\
  8. in vec3 prevPosition2DHigh;\n\
  9. in vec3 prevPosition2DLow;\n\
  10. in vec3 nextPosition3DHigh;\n\
  11. in vec3 nextPosition3DLow;\n\
  12. in vec3 nextPosition2DHigh;\n\
  13. in vec3 nextPosition2DLow;\n\
  14. in vec4 texCoordExpandAndBatchIndex;\n\
  15. \n\
  16. out vec2 v_st;\n\
  17. out float v_width;\n\
  18. out vec4 v_pickColor;\n\
  19. out float v_polylineAngle;\n\
  20. \n\
  21. void main()\n\
  22. {\n\
  23. float texCoord = texCoordExpandAndBatchIndex.x;\n\
  24. float expandDir = texCoordExpandAndBatchIndex.y;\n\
  25. bool usePrev = texCoordExpandAndBatchIndex.z < 0.0;\n\
  26. float batchTableIndex = texCoordExpandAndBatchIndex.w;\n\
  27. \n\
  28. vec2 widthAndShow = batchTable_getWidthAndShow(batchTableIndex);\n\
  29. float width = widthAndShow.x + 0.5;\n\
  30. float show = widthAndShow.y;\n\
  31. \n\
  32. if (width < 1.0)\n\
  33. {\n\
  34. show = 0.0;\n\
  35. }\n\
  36. \n\
  37. vec4 pickColor = batchTable_getPickColor(batchTableIndex);\n\
  38. \n\
  39. vec4 p, prev, next;\n\
  40. if (czm_morphTime == 1.0)\n\
  41. {\n\
  42. p = czm_translateRelativeToEye(position3DHigh.xyz, position3DLow.xyz);\n\
  43. prev = czm_translateRelativeToEye(prevPosition3DHigh.xyz, prevPosition3DLow.xyz);\n\
  44. next = czm_translateRelativeToEye(nextPosition3DHigh.xyz, nextPosition3DLow.xyz);\n\
  45. }\n\
  46. else if (czm_morphTime == 0.0)\n\
  47. {\n\
  48. p = czm_translateRelativeToEye(position2DHigh.zxy, position2DLow.zxy);\n\
  49. prev = czm_translateRelativeToEye(prevPosition2DHigh.zxy, prevPosition2DLow.zxy);\n\
  50. next = czm_translateRelativeToEye(nextPosition2DHigh.zxy, nextPosition2DLow.zxy);\n\
  51. }\n\
  52. else\n\
  53. {\n\
  54. p = czm_columbusViewMorph(\n\
  55. czm_translateRelativeToEye(position2DHigh.zxy, position2DLow.zxy),\n\
  56. czm_translateRelativeToEye(position3DHigh.xyz, position3DLow.xyz),\n\
  57. czm_morphTime);\n\
  58. prev = czm_columbusViewMorph(\n\
  59. czm_translateRelativeToEye(prevPosition2DHigh.zxy, prevPosition2DLow.zxy),\n\
  60. czm_translateRelativeToEye(prevPosition3DHigh.xyz, prevPosition3DLow.xyz),\n\
  61. czm_morphTime);\n\
  62. next = czm_columbusViewMorph(\n\
  63. czm_translateRelativeToEye(nextPosition2DHigh.zxy, nextPosition2DLow.zxy),\n\
  64. czm_translateRelativeToEye(nextPosition3DHigh.xyz, nextPosition3DLow.xyz),\n\
  65. czm_morphTime);\n\
  66. }\n\
  67. \n\
  68. #ifdef DISTANCE_DISPLAY_CONDITION\n\
  69. vec3 centerHigh = batchTable_getCenterHigh(batchTableIndex);\n\
  70. vec4 centerLowAndRadius = batchTable_getCenterLowAndRadius(batchTableIndex);\n\
  71. vec3 centerLow = centerLowAndRadius.xyz;\n\
  72. float radius = centerLowAndRadius.w;\n\
  73. vec2 distanceDisplayCondition = batchTable_getDistanceDisplayCondition(batchTableIndex);\n\
  74. \n\
  75. float lengthSq;\n\
  76. if (czm_sceneMode == czm_sceneMode2D)\n\
  77. {\n\
  78. lengthSq = czm_eyeHeight2D.y;\n\
  79. }\n\
  80. else\n\
  81. {\n\
  82. vec4 center = czm_translateRelativeToEye(centerHigh.xyz, centerLow.xyz);\n\
  83. lengthSq = max(0.0, dot(center.xyz, center.xyz) - radius * radius);\n\
  84. }\n\
  85. \n\
  86. float nearSq = distanceDisplayCondition.x * distanceDisplayCondition.x;\n\
  87. float farSq = distanceDisplayCondition.y * distanceDisplayCondition.y;\n\
  88. if (lengthSq < nearSq || lengthSq > farSq)\n\
  89. {\n\
  90. show = 0.0;\n\
  91. }\n\
  92. #endif\n\
  93. \n\
  94. float polylineAngle;\n\
  95. vec4 positionWC = getPolylineWindowCoordinates(p, prev, next, expandDir, width, usePrev, polylineAngle);\n\
  96. gl_Position = czm_viewportOrthographic * positionWC * show;\n\
  97. \n\
  98. v_st.s = texCoord;\n\
  99. v_st.t = czm_writeNonPerspective(clamp(expandDir, 0.0, 1.0), gl_Position.w);\n\
  100. \n\
  101. v_width = width;\n\
  102. v_pickColor = pickColor;\n\
  103. v_polylineAngle = polylineAngle;\n\
  104. }\n\
  105. ";