cesiumDemo/Source/Shaders/PolylineVS.js

//This file is automatically rebuilt by the Cesium build process.
export default "attribute vec3 position3DHigh;\n\
attribute vec3 position3DLow;\n\
attribute vec3 position2DHigh;\n\
attribute vec3 position2DLow;\n\
attribute vec3 prevPosition3DHigh;\n\
attribute vec3 prevPosition3DLow;\n\
attribute vec3 prevPosition2DHigh;\n\
attribute vec3 prevPosition2DLow;\n\
attribute vec3 nextPosition3DHigh;\n\
attribute vec3 nextPosition3DLow;\n\
attribute vec3 nextPosition2DHigh;\n\
attribute vec3 nextPosition2DLow;\n\
attribute vec4 texCoordExpandAndBatchIndex;\n\
varying vec2  v_st;\n\
varying float v_width;\n\
varying vec4 v_pickColor;\n\
varying float v_polylineAngle;\n\
void main()\n\
{\n\
float texCoord = texCoordExpandAndBatchIndex.x;\n\
float expandDir = texCoordExpandAndBatchIndex.y;\n\
bool usePrev = texCoordExpandAndBatchIndex.z < 0.0;\n\
float batchTableIndex = texCoordExpandAndBatchIndex.w;\n\
vec2 widthAndShow = batchTable_getWidthAndShow(batchTableIndex);\n\
float width = widthAndShow.x + 0.5;\n\
float show = widthAndShow.y;\n\
if (width < 1.0)\n\
{\n\
show = 0.0;\n\
}\n\
vec4 pickColor = batchTable_getPickColor(batchTableIndex);\n\
vec4 p, prev, next;\n\
if (czm_morphTime == 1.0)\n\
{\n\
p = czm_translateRelativeToEye(position3DHigh.xyz, position3DLow.xyz);\n\
prev = czm_translateRelativeToEye(prevPosition3DHigh.xyz, prevPosition3DLow.xyz);\n\
next = czm_translateRelativeToEye(nextPosition3DHigh.xyz, nextPosition3DLow.xyz);\n\
}\n\
else if (czm_morphTime == 0.0)\n\
{\n\
p = czm_translateRelativeToEye(position2DHigh.zxy, position2DLow.zxy);\n\
prev = czm_translateRelativeToEye(prevPosition2DHigh.zxy, prevPosition2DLow.zxy);\n\
next = czm_translateRelativeToEye(nextPosition2DHigh.zxy, nextPosition2DLow.zxy);\n\
}\n\
else\n\
{\n\
p = czm_columbusViewMorph(\n\
czm_translateRelativeToEye(position2DHigh.zxy, position2DLow.zxy),\n\
czm_translateRelativeToEye(position3DHigh.xyz, position3DLow.xyz),\n\
czm_morphTime);\n\
prev = czm_columbusViewMorph(\n\
czm_translateRelativeToEye(prevPosition2DHigh.zxy, prevPosition2DLow.zxy),\n\
czm_translateRelativeToEye(prevPosition3DHigh.xyz, prevPosition3DLow.xyz),\n\
czm_morphTime);\n\
next = czm_columbusViewMorph(\n\
czm_translateRelativeToEye(nextPosition2DHigh.zxy, nextPosition2DLow.zxy),\n\
czm_translateRelativeToEye(nextPosition3DHigh.xyz, nextPosition3DLow.xyz),\n\
czm_morphTime);\n\
}\n\
#ifdef DISTANCE_DISPLAY_CONDITION\n\
vec3 centerHigh = batchTable_getCenterHigh(batchTableIndex);\n\
vec4 centerLowAndRadius = batchTable_getCenterLowAndRadius(batchTableIndex);\n\
vec3 centerLow = centerLowAndRadius.xyz;\n\
float radius = centerLowAndRadius.w;\n\
vec2 distanceDisplayCondition = batchTable_getDistanceDisplayCondition(batchTableIndex);\n\
float lengthSq;\n\
if (czm_sceneMode == czm_sceneMode2D)\n\
{\n\
lengthSq = czm_eyeHeight2D.y;\n\
}\n\
else\n\
{\n\
vec4 center = czm_translateRelativeToEye(centerHigh.xyz, centerLow.xyz);\n\
lengthSq = max(0.0, dot(center.xyz, center.xyz) - radius * radius);\n\
}\n\
float nearSq = distanceDisplayCondition.x * distanceDisplayCondition.x;\n\
float farSq = distanceDisplayCondition.y * distanceDisplayCondition.y;\n\
if (lengthSq < nearSq || lengthSq > farSq)\n\
{\n\
show = 0.0;\n\
}\n\
#endif\n\
vec4 positionWC = getPolylineWindowCoordinates(p, prev, next, expandDir, width, usePrev, v_polylineAngle);\n\
gl_Position = czm_viewportOrthographic * positionWC * show;\n\
v_st = vec2(texCoord, clamp(expandDir, 0.0, 1.0));\n\
v_width = width;\n\
v_pickColor = pickColor;\n\
#ifdef LOG_DEPTH\n\
czm_vertexLogDepth(czm_modelViewProjectionRelativeToEye * p);\n\
#endif\n\
}\n\
";