/* DO NOT EDIT.
 * Generated by ../../bin/vtkEncodeString-8.1
 * 
 * Define the vtkStickMapperVS string.
 *
 * Generated from file: /Volumes/Data/workspace/med-macos-free/ExtProjs/VTK/Rendering/OpenGL2/glsl/vtkStickMapperVS.glsl
 */
#include "vtkStickMapperVS.h"
const char *vtkStickMapperVS =
"//VTK::System::Dec\n"
"\n"
"/*=========================================================================\n"
"\n"
"  Program:   Visualization Toolkit\n"
"  Module:    vtkSphereMapperVS.glsl\n"
"\n"
"  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n"
"  All rights reserved.\n"
"  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n"
"\n"
"     This software is distributed WITHOUT ANY WARRANTY; without even\n"
"     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n"
"     PURPOSE.  See the above copyright notice for more information.\n"
"\n"
"=========================================================================*/\n"
"// this shader implements imposters in OpenGL for Spheres\n"
"\n"
"attribute vec4 vertexMC;\n"
"attribute vec3 orientMC;\n"
"attribute vec4 offsetMC;\n"
"attribute float radiusMC;\n"
"\n"
"// optional normal declaration\n"
"//VTK::Normal::Dec\n"
"\n"
"//VTK::Picking::Dec\n"
"\n"
"// Texture coordinates\n"
"//VTK::TCoord::Dec\n"
"\n"
"uniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n"
"\n"
"// material property values\n"
"//VTK::Color::Dec\n"
"\n"
"// clipping plane vars\n"
"//VTK::Clip::Dec\n"
"\n"
"// camera and actor matrix values\n"
"//VTK::Camera::Dec\n"
"\n"
"varying vec4 vertexVCVSOutput;\n"
"varying float radiusVCVSOutput;\n"
"varying float lengthVCVSOutput;\n"
"varying vec3 centerVCVSOutput;\n"
"varying vec3 orientVCVSOutput;\n"
"\n"
"uniform int cameraParallel;\n"
"\n"
"void main()\n"
"{\n"
"  //VTK::Picking::Impl\n"
"\n"
"  //VTK::Color::Impl\n"
"\n"
"  //VTK::Normal::Impl\n"
"\n"
"  //VTK::TCoord::Impl\n"
"\n"
"  //VTK::Clip::Impl\n"
"\n"
"  vertexVCVSOutput = MCVCMatrix * vertexMC;\n"
"  centerVCVSOutput = vertexVCVSOutput.xyz;\n"
"  radiusVCVSOutput = radiusMC;\n"
"  lengthVCVSOutput = length(orientMC);\n"
"  orientVCVSOutput = normalMatrix * normalize(orientMC);\n"
"\n"
"  // make sure it is pointing out of the screen\n"
"  if (orientVCVSOutput.z < 0.0)\n"
"    {\n"
"    orientVCVSOutput = -orientVCVSOutput;\n"
"    }\n"
"\n"
"  // make the basis\n"
"  vec3 xbase;\n"
"  vec3 ybase;\n"
"  vec3 dir = vec3(0.0,0.0,1.0);\n"
"  if (cameraParallel == 0)\n"
"    {\n"
"    dir = normalize(-vertexVCVSOutput.xyz);\n"
"    }\n"
"  if (abs(dot(dir,orientVCVSOutput)) == 1.0)\n"
"    {\n"
"    xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));\n"
"    ybase = cross(xbase,orientVCVSOutput);\n"
"    }\n"
"  else\n"
"    {\n"
"    xbase = normalize(cross(orientVCVSOutput,dir));\n"
"    ybase = cross(orientVCVSOutput,xbase);\n"
"    }\n"
"\n"
"  vec3 offsets = offsetMC.xyz*2.0-1.0;\n"
"  vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +\n"
"    radiusVCVSOutput*offsets.x*xbase +\n"
"    radiusVCVSOutput*offsets.y*ybase +\n"
"    0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;\n"
"\n"
"  gl_Position = VCDCMatrix * vertexVCVSOutput;\n"
"}\n"
"\n";