1018 lines
45 KiB
C
1018 lines
45 KiB
C
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/*
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* Marching.h
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*
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* Created on: 20.10.2017
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* Author: gmueller
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*/
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#ifndef MARCHING_H_
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#define MARCHING_H_
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#include "stdio.h"
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#include "math.h"
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struct GLvector
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{
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GLfloat fX;
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GLfloat fY;
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GLfloat fZ;
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};
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//These tables are used so that everything can be done in little loops that you can look at all at once
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// rather than in pages and pages of unrolled code.
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//a2fVertexOffset lists the positions, relative to vertex0, of each of the 8 vertices of a cube
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static const GLfloat a2fVertexOffset[8][3] =
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{
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{0.0, 0.0, 0.0},{1.0, 0.0, 0.0},{1.0, 1.0, 0.0},{0.0, 1.0, 0.0},
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{0.0, 0.0, 1.0},{1.0, 0.0, 1.0},{1.0, 1.0, 1.0},{0.0, 1.0, 1.0}
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};
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//a2iEdgeConnection lists the index of the endpoint vertices for each of the 12 edges of the cube
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static const GLint a2iEdgeConnection[12][2] =
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{
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{0,1}, {1,2}, {2,3}, {3,0},
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{4,5}, {5,6}, {6,7}, {7,4},
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{0,4}, {1,5}, {2,6}, {3,7}
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};
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//a2fEdgeDirection lists the direction vector (vertex1-vertex0) for each edge in the cube
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static const GLfloat a2fEdgeDirection[12][3] =
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{
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{1.0, 0.0, 0.0},{0.0, 1.0, 0.0},{-1.0, 0.0, 0.0},{0.0, -1.0, 0.0},
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{1.0, 0.0, 0.0},{0.0, 1.0, 0.0},{-1.0, 0.0, 0.0},{0.0, -1.0, 0.0},
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{0.0, 0.0, 1.0},{0.0, 0.0, 1.0},{ 0.0, 0.0, 1.0},{0.0, 0.0, 1.0}
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};
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//a2iTetrahedronEdgeConnection lists the index of the endpoint vertices for each of the 6 edges of the tetrahedron
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static const GLint a2iTetrahedronEdgeConnection[6][2] =
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{
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{0,1}, {1,2}, {2,0}, {0,3}, {1,3}, {2,3}
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};
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//a2iTetrahedronEdgeConnection lists the index of verticies from a cube
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// that made up each of the six tetrahedrons within the cube
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static const GLint a2iTetrahedronsInACube[6][4] =
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{
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{0,5,1,6},
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{0,1,2,6},
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{0,2,3,6},
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{0,3,7,6},
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{0,7,4,6},
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{0,4,5,6},
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};
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static const GLfloat afAmbientWhite [] = {0.25, 0.25, 0.25, 1.00};
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static const GLfloat afAmbientRed [] = {0.25, 0.00, 0.00, 1.00};
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static const GLfloat afAmbientGreen [] = {0.00, 0.25, 0.00, 1.00};
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static const GLfloat afAmbientBlue [] = {0.00, 0.00, 0.25, 1.00};
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static const GLfloat afDiffuseWhite [] = {0.75, 0.75, 0.75, 1.00};
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static const GLfloat afDiffuseRed [] = {0.75, 0.00, 0.00, 1.00};
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static const GLfloat afDiffuseGreen [] = {0.00, 0.75, 0.00, 1.00};
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static const GLfloat afDiffuseBlue [] = {0.00, 0.00, 0.75, 1.00};
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static const GLfloat afSpecularWhite[] = {1.00, 1.00, 1.00, 1.00};
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static const GLfloat afSpecularRed [] = {1.00, 0.25, 0.25, 1.00};
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static const GLfloat afSpecularGreen[] = {0.25, 1.00, 0.25, 1.00};
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static const GLfloat afSpecularBlue [] = {0.25, 0.25, 1.00, 1.00};
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GLenum ePolygonMode = GL_FILL;
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GLint iDataSetSize = 16;
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GLfloat fStepSize = 1.0/iDataSetSize;
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GLfloat fTargetValue = 48.0;
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GLfloat fTime = 0.0;
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GLvector sSourcePoint[3];
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GLboolean bSpin = true;
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GLboolean bMove = true;
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GLboolean bLight = true;
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void vIdle();
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void vDrawScene();
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void vResize(GLsizei, GLsizei);
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void vKeyboard(unsigned char cKey, int iX, int iY);
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void vSpecial(int iKey, int iX, int iY);
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GLvoid vPrintHelp();
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GLvoid vSetTime(GLfloat fTime);
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GLfloat fSample1(GLfloat fX, GLfloat fY, GLfloat fZ);
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GLfloat fSample2(GLfloat fX, GLfloat fY, GLfloat fZ);
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GLfloat fSample3(GLfloat fX, GLfloat fY, GLfloat fZ);
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GLfloat (*fSample)(GLfloat fX, GLfloat fY, GLfloat fZ) = fSample1;
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GLvoid vMarchingCubes();
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GLvoid vMarchCube1(GLfloat fX, GLfloat fY, GLfloat fZ, GLfloat fScale);
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GLvoid vMarchCube2(GLfloat fX, GLfloat fY, GLfloat fZ, GLfloat fScale);
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GLvoid (*vMarchCube)(GLfloat fX, GLfloat fY, GLfloat fZ, GLfloat fScale) = vMarchCube1;
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void main(int argc, char **argv)
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{
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GLfloat afPropertiesAmbient [] = {0.50, 0.50, 0.50, 1.00};
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GLfloat afPropertiesDiffuse [] = {0.75, 0.75, 0.75, 1.00};
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GLfloat afPropertiesSpecular[] = {1.00, 1.00, 1.00, 1.00};
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GLsizei iWidth = 640.0;
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GLsizei iHeight = 480.0;
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glutInit(&argc, argv);
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glutInitWindowPosition( 0, 0);
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glutInitWindowSize(iWidth, iHeight);
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glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
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glutCreateWindow( "Marching Cubes" );
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glutDisplayFunc( vDrawScene );
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glutIdleFunc( vIdle );
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glutReshapeFunc( vResize );
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glutKeyboardFunc( vKeyboard );
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glutSpecialFunc( vSpecial );
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glClearColor( 0.0, 0.0, 0.0, 1.0 );
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glClearDepth( 1.0 );
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_LIGHTING);
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glPolygonMode(GL_FRONT_AND_BACK, ePolygonMode);
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glLightfv( GL_LIGHT0, GL_AMBIENT, afPropertiesAmbient);
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glLightfv( GL_LIGHT0, GL_DIFFUSE, afPropertiesDiffuse);
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glLightfv( GL_LIGHT0, GL_SPECULAR, afPropertiesSpecular);
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glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1.0);
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glEnable( GL_LIGHT0 );
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glMaterialfv(GL_BACK, GL_AMBIENT, afAmbientGreen);
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glMaterialfv(GL_BACK, GL_DIFFUSE, afDiffuseGreen);
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glMaterialfv(GL_FRONT, GL_AMBIENT, afAmbientBlue);
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glMaterialfv(GL_FRONT, GL_DIFFUSE, afDiffuseBlue);
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glMaterialfv(GL_FRONT, GL_SPECULAR, afSpecularWhite);
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glMaterialf( GL_FRONT, GL_SHININESS, 25.0);
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vResize(iWidth, iHeight);
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vPrintHelp();
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glutMainLoop();
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}
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GLvoid vPrintHelp()
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{
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printf("Marching Cubes Example by Cory Bloyd (dejaspaminacan@my-deja.com)\n\n");
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printf("+/- increase/decrease sample density\n");
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printf("PageUp/PageDown increase/decrease surface value\n");
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printf("s change sample function\n");
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printf("c toggle marching cubes / marching tetrahedrons\n");
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printf("w wireframe on/off\n");
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printf("l toggle lighting / color-by-normal\n");
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printf("Home spin scene on/off\n");
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printf("End source point animation on/off\n");
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}
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void vResize( GLsizei iWidth, GLsizei iHeight )
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{
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GLfloat fAspect, fHalfWorldSize = (1.4142135623730950488016887242097/2);
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glViewport( 0, 0, iWidth, iHeight );
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glMatrixMode (GL_PROJECTION);
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glLoadIdentity ();
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if(iWidth <= iHeight)
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{
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fAspect = (GLfloat)iHeight / (GLfloat)iWidth;
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glOrtho(-fHalfWorldSize, fHalfWorldSize, -fHalfWorldSize*fAspect,
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fHalfWorldSize*fAspect, -10*fHalfWorldSize, 10*fHalfWorldSize);
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}
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else
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{
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fAspect = (GLfloat)iWidth / (GLfloat)iHeight;
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glOrtho(-fHalfWorldSize*fAspect, fHalfWorldSize*fAspect, -fHalfWorldSize,
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fHalfWorldSize, -10*fHalfWorldSize, 10*fHalfWorldSize);
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}
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glMatrixMode( GL_MODELVIEW );
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}
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void vKeyboard(unsigned char cKey, int iX, int iY)
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{
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switch(cKey)
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{
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case 'w' :
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{
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if(ePolygonMode == GL_LINE)
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{
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ePolygonMode = GL_FILL;
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}
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else
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{
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ePolygonMode = GL_LINE;
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}
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glPolygonMode(GL_FRONT_AND_BACK, ePolygonMode);
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} break;
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case '+' :
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case '=' :
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{
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++iDataSetSize;
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fStepSize = 1.0/iDataSetSize;
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} break;
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case '-' :
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{
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if(iDataSetSize > 1)
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{
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--iDataSetSize;
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fStepSize = 1.0/iDataSetSize;
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}
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} break;
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case 'c' :
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{
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if(vMarchCube == vMarchCube1)
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{
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vMarchCube = vMarchCube2;//Use Marching Tetrahedrons
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}
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else
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{
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vMarchCube = vMarchCube1;//Use Marching Cubes
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}
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} break;
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case 's' :
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{
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if(fSample == fSample1)
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{
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fSample = fSample2;
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}
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else if(fSample == fSample2)
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{
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fSample = fSample3;
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}
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else
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{
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fSample = fSample1;
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}
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} break;
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case 'l' :
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{
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if(bLight)
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{
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glDisable(GL_LIGHTING);//use vertex colors
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}
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else
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{
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glEnable(GL_LIGHTING);//use lit material color
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}
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bLight = !bLight;
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};
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}
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}
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void vSpecial(int iKey, int iX, int iY)
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{
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switch(iKey)
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{
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case GLUT_KEY_PAGE_UP :
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{
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if(fTargetValue < 1000.0)
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{
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fTargetValue *= 1.1;
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}
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} break;
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case GLUT_KEY_PAGE_DOWN :
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{
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if(fTargetValue > 1.0)
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{
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fTargetValue /= 1.1;
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}
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} break;
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case GLUT_KEY_HOME :
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{
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bSpin = !bSpin;
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} break;
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case GLUT_KEY_END :
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{
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bMove = !bMove;
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} break;
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}
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}
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void vIdle()
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{
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glutPostRedisplay();
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}
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void vDrawScene()
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{
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static GLfloat fPitch = 0.0;
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static GLfloat fYaw = 0.0;
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static GLfloat fTime = 0.0;
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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glPushMatrix();
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if(bSpin)
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{
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fPitch += 4.0;
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fYaw += 2.5;
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}
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if(bMove)
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{
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fTime += 0.025;
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}
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vSetTime(fTime);
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glTranslatef(0.0, 0.0, -1.0);
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glRotatef( -fPitch, 1.0, 0.0, 0.0);
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glRotatef( 0.0, 0.0, 1.0, 0.0);
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glRotatef( fYaw, 0.0, 0.0, 1.0);
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glPushAttrib(GL_LIGHTING_BIT);
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glDisable(GL_LIGHTING);
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glColor3f(1.0, 1.0, 1.0);
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glutWireCube(1.0);
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glPopAttrib();
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glPushMatrix();
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glTranslatef(-0.5, -0.5, -0.5);
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glBegin(GL_TRIANGLES);
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vMarchingCubes();
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glEnd();
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glPopMatrix();
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glPopMatrix();
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glutSwapBuffers();
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}
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//fGetOffset finds the approximate point of intersection of the surface
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// between two points with the values fValue1 and fValue2
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GLfloat fGetOffset(GLfloat fValue1, GLfloat fValue2, GLfloat fValueDesired)
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{
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GLdouble fDelta = fValue2 - fValue1;
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if(fDelta == 0.0)
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{
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return 0.5;
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}
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return (fValueDesired - fValue1)/fDelta;
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}
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//vGetColor generates a color from a given position and normal of a point
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||
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GLvoid vGetColor(GLvector &rfColor, GLvector &rfPosition, GLvector &rfNormal)
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{
|
||
|
|
GLfloat fX = rfNormal.fX;
|
||
|
|
GLfloat fY = rfNormal.fY;
|
||
|
|
GLfloat fZ = rfNormal.fZ;
|
||
|
|
rfColor.fX = (fX > 0.0 ? fX : 0.0) + (fY < 0.0 ? -0.5*fY : 0.0) + (fZ < 0.0 ? -0.5*fZ : 0.0);
|
||
|
|
rfColor.fY = (fY > 0.0 ? fY : 0.0) + (fZ < 0.0 ? -0.5*fZ : 0.0) + (fX < 0.0 ? -0.5*fX : 0.0);
|
||
|
|
rfColor.fZ = (fZ > 0.0 ? fZ : 0.0) + (fX < 0.0 ? -0.5*fX : 0.0) + (fY < 0.0 ? -0.5*fY : 0.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
GLvoid vNormalizeVector(GLvector &rfVectorResult, GLvector &rfVectorSource)
|
||
|
|
{
|
||
|
|
GLfloat fOldLength;
|
||
|
|
GLfloat fScale;
|
||
|
|
|
||
|
|
fOldLength = sqrtf( (rfVectorSource.fX * rfVectorSource.fX) +
|
||
|
|
(rfVectorSource.fY * rfVectorSource.fY) +
|
||
|
|
(rfVectorSource.fZ * rfVectorSource.fZ) );
|
||
|
|
|
||
|
|
if(fOldLength == 0.0)
|
||
|
|
{
|
||
|
|
rfVectorResult.fX = rfVectorSource.fX;
|
||
|
|
rfVectorResult.fY = rfVectorSource.fY;
|
||
|
|
rfVectorResult.fZ = rfVectorSource.fZ;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
fScale = 1.0/fOldLength;
|
||
|
|
rfVectorResult.fX = rfVectorSource.fX*fScale;
|
||
|
|
rfVectorResult.fY = rfVectorSource.fY*fScale;
|
||
|
|
rfVectorResult.fZ = rfVectorSource.fZ*fScale;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//Generate a sample data set. fSample1(), fSample2() and fSample3() define three scalar fields whose
|
||
|
|
// values vary by the X,Y and Z coordinates and by the fTime value set by vSetTime()
|
||
|
|
GLvoid vSetTime(GLfloat fNewTime)
|
||
|
|
{
|
||
|
|
GLfloat fOffset;
|
||
|
|
GLint iSourceNum;
|
||
|
|
|
||
|
|
for(iSourceNum = 0; iSourceNum < 3; iSourceNum++)
|
||
|
|
{
|
||
|
|
sSourcePoint[iSourceNum].fX = 0.5;
|
||
|
|
sSourcePoint[iSourceNum].fY = 0.5;
|
||
|
|
sSourcePoint[iSourceNum].fZ = 0.5;
|
||
|
|
}
|
||
|
|
|
||
|
|
fTime = fNewTime;
|
||
|
|
fOffset = 1.0 + sinf(fTime);
|
||
|
|
sSourcePoint[0].fX *= fOffset;
|
||
|
|
sSourcePoint[1].fY *= fOffset;
|
||
|
|
sSourcePoint[2].fZ *= fOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
//fSample1 finds the distance of (fX, fY, fZ) from three moving points
|
||
|
|
GLfloat fSample1(GLfloat fX, GLfloat fY, GLfloat fZ)
|
||
|
|
{
|
||
|
|
GLdouble fResult = 0.0;
|
||
|
|
GLdouble fDx, fDy, fDz;
|
||
|
|
fDx = fX - sSourcePoint[0].fX;
|
||
|
|
fDy = fY - sSourcePoint[0].fY;
|
||
|
|
fDz = fZ - sSourcePoint[0].fZ;
|
||
|
|
fResult += 0.5/(fDx*fDx + fDy*fDy + fDz*fDz);
|
||
|
|
|
||
|
|
fDx = fX - sSourcePoint[1].fX;
|
||
|
|
fDy = fY - sSourcePoint[1].fY;
|
||
|
|
fDz = fZ - sSourcePoint[1].fZ;
|
||
|
|
fResult += 1.0/(fDx*fDx + fDy*fDy + fDz*fDz);
|
||
|
|
|
||
|
|
fDx = fX - sSourcePoint[2].fX;
|
||
|
|
fDy = fY - sSourcePoint[2].fY;
|
||
|
|
fDz = fZ - sSourcePoint[2].fZ;
|
||
|
|
fResult += 1.5/(fDx*fDx + fDy*fDy + fDz*fDz);
|
||
|
|
|
||
|
|
return fResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
//fSample2 finds the distance of (fX, fY, fZ) from three moving lines
|
||
|
|
GLfloat fSample2(GLfloat fX, GLfloat fY, GLfloat fZ)
|
||
|
|
{
|
||
|
|
GLdouble fResult = 0.0;
|
||
|
|
GLdouble fDx, fDy, fDz;
|
||
|
|
fDx = fX - sSourcePoint[0].fX;
|
||
|
|
fDy = fY - sSourcePoint[0].fY;
|
||
|
|
fResult += 0.5/(fDx*fDx + fDy*fDy);
|
||
|
|
|
||
|
|
fDx = fX - sSourcePoint[1].fX;
|
||
|
|
fDz = fZ - sSourcePoint[1].fZ;
|
||
|
|
fResult += 0.75/(fDx*fDx + fDz*fDz);
|
||
|
|
|
||
|
|
fDy = fY - sSourcePoint[2].fY;
|
||
|
|
fDz = fZ - sSourcePoint[2].fZ;
|
||
|
|
fResult += 1.0/(fDy*fDy + fDz*fDz);
|
||
|
|
|
||
|
|
return fResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//fSample2 defines a height field by plugging the distance from the center into the sin and cos functions
|
||
|
|
GLfloat fSample3(GLfloat fX, GLfloat fY, GLfloat fZ)
|
||
|
|
{
|
||
|
|
GLfloat fHeight = 20.0*(fTime + sqrt((0.5-fX)*(0.5-fX) + (0.5-fY)*(0.5-fY)));
|
||
|
|
fHeight = 1.5 + 0.1*(sinf(fHeight) + cosf(fHeight));
|
||
|
|
GLdouble fResult = (fHeight - fZ)*50.0;
|
||
|
|
|
||
|
|
return fResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//vGetNormal() finds the gradient of the scalar field at a point
|
||
|
|
//This gradient can be used as a very accurate vertx normal for lighting calculations
|
||
|
|
GLvoid vGetNormal(GLvector &rfNormal, GLfloat fX, GLfloat fY, GLfloat fZ)
|
||
|
|
{
|
||
|
|
rfNormal.fX = fSample(fX-0.01, fY, fZ) - fSample(fX+0.01, fY, fZ);
|
||
|
|
rfNormal.fY = fSample(fX, fY-0.01, fZ) - fSample(fX, fY+0.01, fZ);
|
||
|
|
rfNormal.fZ = fSample(fX, fY, fZ-0.01) - fSample(fX, fY, fZ+0.01);
|
||
|
|
vNormalizeVector(rfNormal, rfNormal);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//vMarchCube1 performs the Marching Cubes algorithm on a single cube
|
||
|
|
GLvoid vMarchCube1(GLfloat fX, GLfloat fY, GLfloat fZ, GLfloat fScale)
|
||
|
|
{
|
||
|
|
extern GLint aiCubeEdgeFlags[256];
|
||
|
|
extern GLint a2iTriangleConnectionTable[256][16];
|
||
|
|
|
||
|
|
GLint iCorner, iVertex, iVertexTest, iEdge, iTriangle, iFlagIndex, iEdgeFlags;
|
||
|
|
GLfloat fOffset;
|
||
|
|
GLvector sColor;
|
||
|
|
GLfloat afCubeValue[8];
|
||
|
|
GLvector asEdgeVertex[12];
|
||
|
|
GLvector asEdgeNorm[12];
|
||
|
|
|
||
|
|
//Make a local copy of the values at the cube's corners
|
||
|
|
for(iVertex = 0; iVertex < 8; iVertex++)
|
||
|
|
{
|
||
|
|
afCubeValue[iVertex] = fSample(fX + a2fVertexOffset[iVertex][0]*fScale,
|
||
|
|
fY + a2fVertexOffset[iVertex][1]*fScale,
|
||
|
|
fZ + a2fVertexOffset[iVertex][2]*fScale);
|
||
|
|
}
|
||
|
|
|
||
|
|
//Find which vertices are inside of the surface and which are outside
|
||
|
|
iFlagIndex = 0;
|
||
|
|
for(iVertexTest = 0; iVertexTest < 8; iVertexTest++)
|
||
|
|
{
|
||
|
|
if(afCubeValue[iVertexTest] <= fTargetValue)
|
||
|
|
iFlagIndex |= 1<<iVertexTest;
|
||
|
|
}
|
||
|
|
|
||
|
|
//Find which edges are intersected by the surface
|
||
|
|
iEdgeFlags = aiCubeEdgeFlags[iFlagIndex];
|
||
|
|
|
||
|
|
//If the cube is entirely inside or outside of the surface, then there will be no intersections
|
||
|
|
if(iEdgeFlags == 0)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//Find the point of intersection of the surface with each edge
|
||
|
|
//Then find the normal to the surface at those points
|
||
|
|
for(iEdge = 0; iEdge < 12; iEdge++)
|
||
|
|
{
|
||
|
|
//if there is an intersection on this edge
|
||
|
|
if(iEdgeFlags & (1<<iEdge))
|
||
|
|
{
|
||
|
|
fOffset = fGetOffset(afCubeValue[ a2iEdgeConnection[iEdge][0] ],
|
||
|
|
afCubeValue[ a2iEdgeConnection[iEdge][1] ], fTargetValue);
|
||
|
|
|
||
|
|
asEdgeVertex[iEdge].fX = fX + (a2fVertexOffset[ a2iEdgeConnection[iEdge][0] ][0] + fOffset * a2fEdgeDirection[iEdge][0]) * fScale;
|
||
|
|
asEdgeVertex[iEdge].fY = fY + (a2fVertexOffset[ a2iEdgeConnection[iEdge][0] ][1] + fOffset * a2fEdgeDirection[iEdge][1]) * fScale;
|
||
|
|
asEdgeVertex[iEdge].fZ = fZ + (a2fVertexOffset[ a2iEdgeConnection[iEdge][0] ][2] + fOffset * a2fEdgeDirection[iEdge][2]) * fScale;
|
||
|
|
|
||
|
|
vGetNormal(asEdgeNorm[iEdge], asEdgeVertex[iEdge].fX, asEdgeVertex[iEdge].fY, asEdgeVertex[iEdge].fZ);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//Draw the triangles that were found. There can be up to five per cube
|
||
|
|
for(iTriangle = 0; iTriangle < 5; iTriangle++)
|
||
|
|
{
|
||
|
|
if(a2iTriangleConnectionTable[iFlagIndex][3*iTriangle] < 0)
|
||
|
|
break;
|
||
|
|
|
||
|
|
for(iCorner = 0; iCorner < 3; iCorner++)
|
||
|
|
{
|
||
|
|
iVertex = a2iTriangleConnectionTable[iFlagIndex][3*iTriangle+iCorner];
|
||
|
|
|
||
|
|
vGetColor(sColor, asEdgeVertex[iVertex], asEdgeNorm[iVertex]);
|
||
|
|
glColor3f(sColor.fX, sColor.fY, sColor.fZ);
|
||
|
|
glNormal3f(asEdgeNorm[iVertex].fX, asEdgeNorm[iVertex].fY, asEdgeNorm[iVertex].fZ);
|
||
|
|
glVertex3f(asEdgeVertex[iVertex].fX, asEdgeVertex[iVertex].fY, asEdgeVertex[iVertex].fZ);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//vMarchTetrahedron performs the Marching Tetrahedrons algorithm on a single tetrahedron
|
||
|
|
GLvoid vMarchTetrahedron(GLvector *pasTetrahedronPosition, GLfloat *pafTetrahedronValue)
|
||
|
|
{
|
||
|
|
extern GLint aiTetrahedronEdgeFlags[16];
|
||
|
|
extern GLint a2iTetrahedronTriangles[16][7];
|
||
|
|
|
||
|
|
GLint iEdge, iVert0, iVert1, iEdgeFlags, iTriangle, iCorner, iVertex, iFlagIndex = 0;
|
||
|
|
GLfloat fOffset, fInvOffset, fValue = 0.0;
|
||
|
|
GLvector asEdgeVertex[6];
|
||
|
|
GLvector asEdgeNorm[6];
|
||
|
|
GLvector sColor;
|
||
|
|
|
||
|
|
//Find which vertices are inside of the surface and which are outside
|
||
|
|
for(iVertex = 0; iVertex < 4; iVertex++)
|
||
|
|
{
|
||
|
|
if(pafTetrahedronValue[iVertex] <= fTargetValue)
|
||
|
|
iFlagIndex |= 1<<iVertex;
|
||
|
|
}
|
||
|
|
|
||
|
|
//Find which edges are intersected by the surface
|
||
|
|
iEdgeFlags = aiTetrahedronEdgeFlags[iFlagIndex];
|
||
|
|
|
||
|
|
//If the tetrahedron is entirely inside or outside of the surface, then there will be no intersections
|
||
|
|
if(iEdgeFlags == 0)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
//Find the point of intersection of the surface with each edge
|
||
|
|
// Then find the normal to the surface at those points
|
||
|
|
for(iEdge = 0; iEdge < 6; iEdge++)
|
||
|
|
{
|
||
|
|
//if there is an intersection on this edge
|
||
|
|
if(iEdgeFlags & (1<<iEdge))
|
||
|
|
{
|
||
|
|
iVert0 = a2iTetrahedronEdgeConnection[iEdge][0];
|
||
|
|
iVert1 = a2iTetrahedronEdgeConnection[iEdge][1];
|
||
|
|
fOffset = fGetOffset(pafTetrahedronValue[iVert0], pafTetrahedronValue[iVert1], fTargetValue);
|
||
|
|
fInvOffset = 1.0 - fOffset;
|
||
|
|
|
||
|
|
asEdgeVertex[iEdge].fX = fInvOffset*pasTetrahedronPosition[iVert0].fX + fOffset*pasTetrahedronPosition[iVert1].fX;
|
||
|
|
asEdgeVertex[iEdge].fY = fInvOffset*pasTetrahedronPosition[iVert0].fY + fOffset*pasTetrahedronPosition[iVert1].fY;
|
||
|
|
asEdgeVertex[iEdge].fZ = fInvOffset*pasTetrahedronPosition[iVert0].fZ + fOffset*pasTetrahedronPosition[iVert1].fZ;
|
||
|
|
|
||
|
|
vGetNormal(asEdgeNorm[iEdge], asEdgeVertex[iEdge].fX, asEdgeVertex[iEdge].fY, asEdgeVertex[iEdge].fZ);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//Draw the triangles that were found. There can be up to 2 per tetrahedron
|
||
|
|
for(iTriangle = 0; iTriangle < 2; iTriangle++)
|
||
|
|
{
|
||
|
|
if(a2iTetrahedronTriangles[iFlagIndex][3*iTriangle] < 0)
|
||
|
|
break;
|
||
|
|
|
||
|
|
for(iCorner = 0; iCorner < 3; iCorner++)
|
||
|
|
{
|
||
|
|
iVertex = a2iTetrahedronTriangles[iFlagIndex][3*iTriangle+iCorner];
|
||
|
|
|
||
|
|
vGetColor(sColor, asEdgeVertex[iVertex], asEdgeNorm[iVertex]);
|
||
|
|
glColor3f(sColor.fX, sColor.fY, sColor.fZ);
|
||
|
|
glNormal3f(asEdgeNorm[iVertex].fX, asEdgeNorm[iVertex].fY, asEdgeNorm[iVertex].fZ);
|
||
|
|
glVertex3f(asEdgeVertex[iVertex].fX, asEdgeVertex[iVertex].fY, asEdgeVertex[iVertex].fZ);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//vMarchCube2 performs the Marching Tetrahedrons algorithm on a single cube by making six calls to vMarchTetrahedron
|
||
|
|
GLvoid vMarchCube2(GLfloat fX, GLfloat fY, GLfloat fZ, GLfloat fScale)
|
||
|
|
{
|
||
|
|
GLint iVertex, iTetrahedron, iVertexInACube;
|
||
|
|
GLvector asCubePosition[8];
|
||
|
|
GLfloat afCubeValue[8];
|
||
|
|
GLvector asTetrahedronPosition[4];
|
||
|
|
GLfloat afTetrahedronValue[4];
|
||
|
|
|
||
|
|
//Make a local copy of the cube's corner positions
|
||
|
|
for(iVertex = 0; iVertex < 8; iVertex++)
|
||
|
|
{
|
||
|
|
asCubePosition[iVertex].fX = fX + a2fVertexOffset[iVertex][0]*fScale;
|
||
|
|
asCubePosition[iVertex].fY = fY + a2fVertexOffset[iVertex][1]*fScale;
|
||
|
|
asCubePosition[iVertex].fZ = fZ + a2fVertexOffset[iVertex][2]*fScale;
|
||
|
|
}
|
||
|
|
|
||
|
|
//Make a local copy of the cube's corner values
|
||
|
|
for(iVertex = 0; iVertex < 8; iVertex++)
|
||
|
|
{
|
||
|
|
afCubeValue[iVertex] = fSample(asCubePosition[iVertex].fX,
|
||
|
|
asCubePosition[iVertex].fY,
|
||
|
|
asCubePosition[iVertex].fZ);
|
||
|
|
}
|
||
|
|
|
||
|
|
for(iTetrahedron = 0; iTetrahedron < 6; iTetrahedron++)
|
||
|
|
{
|
||
|
|
for(iVertex = 0; iVertex < 4; iVertex++)
|
||
|
|
{
|
||
|
|
iVertexInACube = a2iTetrahedronsInACube[iTetrahedron][iVertex];
|
||
|
|
asTetrahedronPosition[iVertex].fX = asCubePosition[iVertexInACube].fX;
|
||
|
|
asTetrahedronPosition[iVertex].fY = asCubePosition[iVertexInACube].fY;
|
||
|
|
asTetrahedronPosition[iVertex].fZ = asCubePosition[iVertexInACube].fZ;
|
||
|
|
afTetrahedronValue[iVertex] = afCubeValue[iVertexInACube];
|
||
|
|
}
|
||
|
|
vMarchTetrahedron(asTetrahedronPosition, afTetrahedronValue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//vMarchingCubes iterates over the entire dataset, calling vMarchCube on each cube
|
||
|
|
GLvoid vMarchingCubes()
|
||
|
|
{
|
||
|
|
GLint iX, iY, iZ;
|
||
|
|
for(iX = 0; iX < iDataSetSize; iX++)
|
||
|
|
for(iY = 0; iY < iDataSetSize; iY++)
|
||
|
|
for(iZ = 0; iZ < iDataSetSize; iZ++)
|
||
|
|
{
|
||
|
|
vMarchCube(iX*fStepSize, iY*fStepSize, iZ*fStepSize, fStepSize);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// For any edge, if one vertex is inside of the surface and the other is outside of the surface
|
||
|
|
// then the edge intersects the surface
|
||
|
|
// For each of the 4 vertices of the tetrahedron can be two possible states : either inside or outside of the surface
|
||
|
|
// For any tetrahedron the are 2^4=16 possible sets of vertex states
|
||
|
|
// This table lists the edges intersected by the surface for all 16 possible vertex states
|
||
|
|
// There are 6 edges. For each entry in the table, if edge #n is intersected, then bit #n is set to 1
|
||
|
|
|
||
|
|
GLint aiTetrahedronEdgeFlags[16]=
|
||
|
|
{
|
||
|
|
0x00, 0x0d, 0x13, 0x1e, 0x26, 0x2b, 0x35, 0x38, 0x38, 0x35, 0x2b, 0x26, 0x1e, 0x13, 0x0d, 0x00,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
// For each of the possible vertex states listed in aiTetrahedronEdgeFlags there is a specific triangulation
|
||
|
|
// of the edge intersection points. a2iTetrahedronTriangles lists all of them in the form of
|
||
|
|
// 0-2 edge triples with the list terminated by the invalid value -1.
|
||
|
|
//
|
||
|
|
// I generated this table by hand
|
||
|
|
|
||
|
|
GLint a2iTetrahedronTriangles[16][7] =
|
||
|
|
{
|
||
|
|
{-1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{ 0, 3, 2, -1, -1, -1, -1},
|
||
|
|
{ 0, 1, 4, -1, -1, -1, -1},
|
||
|
|
{ 1, 4, 2, 2, 4, 3, -1},
|
||
|
|
|
||
|
|
{ 1, 2, 5, -1, -1, -1, -1},
|
||
|
|
{ 0, 3, 5, 0, 5, 1, -1},
|
||
|
|
{ 0, 2, 5, 0, 5, 4, -1},
|
||
|
|
{ 5, 4, 3, -1, -1, -1, -1},
|
||
|
|
|
||
|
|
{ 3, 4, 5, -1, -1, -1, -1},
|
||
|
|
{ 4, 5, 0, 5, 2, 0, -1},
|
||
|
|
{ 1, 5, 0, 5, 3, 0, -1},
|
||
|
|
{ 5, 2, 1, -1, -1, -1, -1},
|
||
|
|
|
||
|
|
{ 3, 4, 2, 2, 4, 1, -1},
|
||
|
|
{ 4, 1, 0, -1, -1, -1, -1},
|
||
|
|
{ 2, 3, 0, -1, -1, -1, -1},
|
||
|
|
{-1, -1, -1, -1, -1, -1, -1},
|
||
|
|
};
|
||
|
|
|
||
|
|
// For any edge, if one vertex is inside of the surface and the other is outside of the surface
|
||
|
|
// then the edge intersects the surface
|
||
|
|
// For each of the 8 vertices of the cube can be two possible states : either inside or outside of the surface
|
||
|
|
// For any cube the are 2^8=256 possible sets of vertex states
|
||
|
|
// This table lists the edges intersected by the surface for all 256 possible vertex states
|
||
|
|
// There are 12 edges. For each entry in the table, if edge #n is intersected, then bit #n is set to 1
|
||
|
|
|
||
|
|
GLint aiCubeEdgeFlags[256]=
|
||
|
|
{
|
||
|
|
0x000, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00,
|
||
|
|
0x190, 0x099, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90,
|
||
|
|
0x230, 0x339, 0x033, 0x13a, 0x636, 0x73f, 0x435, 0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30,
|
||
|
|
0x3a0, 0x2a9, 0x1a3, 0x0aa, 0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0,
|
||
|
|
0x460, 0x569, 0x663, 0x76a, 0x066, 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60,
|
||
|
|
0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0x0ff, 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0,
|
||
|
|
0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x055, 0x15c, 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950,
|
||
|
|
0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0x0cc, 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0,
|
||
|
|
0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0x0cc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0,
|
||
|
|
0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x055, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650,
|
||
|
|
0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc, 0x3f5, 0x0ff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0,
|
||
|
|
0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x066, 0x76a, 0x663, 0x569, 0x460,
|
||
|
|
0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0x0aa, 0x1a3, 0x2a9, 0x3a0,
|
||
|
|
0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x033, 0x339, 0x230,
|
||
|
|
0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x099, 0x190,
|
||
|
|
0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x000
|
||
|
|
};
|
||
|
|
|
||
|
|
// For each of the possible vertex states listed in aiCubeEdgeFlags there is a specific triangulation
|
||
|
|
// of the edge intersection points. a2iTriangleConnectionTable lists all of them in the form of
|
||
|
|
// 0-5 edge triples with the list terminated by the invalid value -1.
|
||
|
|
// For example: a2iTriangleConnectionTable[3] list the 2 triangles formed when corner[0]
|
||
|
|
// and corner[1] are inside of the surface, but the rest of the cube is not.
|
||
|
|
//
|
||
|
|
// I found this table in an example program someone wrote long ago. It was probably generated by hand
|
||
|
|
|
||
|
|
GLint a2iTriangleConnectionTable[256][16] =
|
||
|
|
{
|
||
|
|
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1},
|
||
|
|
{8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1},
|
||
|
|
{3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1},
|
||
|
|
{4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1},
|
||
|
|
{4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1},
|
||
|
|
{9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 11, 2, 0, 8, 11, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 5, 4, 0, 1, 5, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, -1, -1, -1, -1},
|
||
|
|
{10, 3, 11, 10, 1, 3, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, -1, -1, -1, -1},
|
||
|
|
{5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, -1, -1, -1, -1},
|
||
|
|
{5, 4, 8, 5, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 7, 8, 5, 7, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 3, 0, 9, 5, 3, 5, 7, 3, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 7, 8, 0, 1, 7, 1, 5, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 7, 8, 9, 5, 7, 10, 1, 2, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, -1, -1, -1, -1},
|
||
|
|
{8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, -1, -1, -1, -1},
|
||
|
|
{2, 10, 5, 2, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{7, 9, 5, 7, 8, 9, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1},
|
||
|
|
{2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1},
|
||
|
|
{11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1},
|
||
|
|
{5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1},
|
||
|
|
{11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1},
|
||
|
|
{11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1},
|
||
|
|
{2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1},
|
||
|
|
{6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1},
|
||
|
|
{3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1},
|
||
|
|
{6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 9, 0, 5, 10, 6, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, -1, -1, -1, -1},
|
||
|
|
{6, 1, 2, 6, 5, 1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, -1, -1, -1, -1},
|
||
|
|
{8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, -1, -1, -1, -1},
|
||
|
|
{7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, -1},
|
||
|
|
{3, 11, 2, 7, 8, 4, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, -1, -1, -1, -1},
|
||
|
|
{0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1},
|
||
|
|
{9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, -1},
|
||
|
|
{8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, -1, -1, -1, -1},
|
||
|
|
{5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, -1},
|
||
|
|
{0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, -1},
|
||
|
|
{6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, -1, -1, -1, -1},
|
||
|
|
{10, 4, 9, 6, 4, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 10, 6, 4, 9, 10, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 0, 1, 10, 6, 0, 6, 4, 0, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, -1, -1, -1, -1},
|
||
|
|
{1, 4, 9, 1, 2, 4, 2, 6, 4, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, -1, -1, -1, -1},
|
||
|
|
{0, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 3, 2, 8, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 4, 9, 10, 6, 4, 11, 2, 3, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, -1, -1, -1, -1},
|
||
|
|
{3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, -1, -1, -1, -1},
|
||
|
|
{6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, -1},
|
||
|
|
{9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, -1, -1, -1, -1},
|
||
|
|
{8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, -1},
|
||
|
|
{3, 11, 6, 3, 6, 0, 0, 6, 4, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{6, 4, 8, 11, 6, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{7, 10, 6, 7, 8, 10, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, -1, -1, -1, -1},
|
||
|
|
{10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, -1, -1, -1, -1},
|
||
|
|
{10, 6, 7, 10, 7, 1, 1, 7, 3, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, -1, -1, -1, -1},
|
||
|
|
{2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, -1},
|
||
|
|
{7, 8, 0, 7, 0, 6, 6, 0, 2, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{7, 3, 2, 6, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, -1, -1, -1, -1},
|
||
|
|
{2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, -1},
|
||
|
|
{1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, -1},
|
||
|
|
{11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, -1, -1, -1, -1},
|
||
|
|
{8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, -1},
|
||
|
|
{0, 9, 1, 11, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, -1, -1, -1, -1},
|
||
|
|
{7, 11, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 0, 8, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 1, 9, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 1, 9, 8, 3, 1, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 1, 2, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 10, 3, 0, 8, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 9, 0, 2, 10, 9, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, -1, -1, -1, -1},
|
||
|
|
{7, 2, 3, 6, 2, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{7, 0, 8, 7, 6, 0, 6, 2, 0, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 7, 6, 2, 3, 7, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, -1, -1, -1, -1},
|
||
|
|
{10, 7, 6, 10, 1, 7, 1, 3, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, -1, -1, -1, -1},
|
||
|
|
{0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, -1, -1, -1, -1},
|
||
|
|
{7, 6, 10, 7, 10, 8, 8, 10, 9, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{6, 8, 4, 11, 8, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 6, 11, 3, 0, 6, 0, 4, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 6, 11, 8, 4, 6, 9, 0, 1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, -1, -1, -1, -1},
|
||
|
|
{6, 8, 4, 6, 11, 8, 2, 10, 1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, -1, -1, -1, -1},
|
||
|
|
{4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, -1, -1, -1, -1},
|
||
|
|
{10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, -1},
|
||
|
|
{8, 2, 3, 8, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, -1, -1, -1, -1},
|
||
|
|
{1, 9, 4, 1, 4, 2, 2, 4, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, -1, -1, -1, -1},
|
||
|
|
{10, 1, 0, 10, 0, 6, 6, 0, 4, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, -1},
|
||
|
|
{10, 9, 4, 6, 10, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 9, 5, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 3, 4, 9, 5, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 0, 1, 5, 4, 0, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, -1, -1, -1, -1},
|
||
|
|
{9, 5, 4, 10, 1, 2, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, -1, -1, -1, -1},
|
||
|
|
{7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, -1, -1, -1, -1},
|
||
|
|
{3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, -1},
|
||
|
|
{7, 2, 3, 7, 6, 2, 5, 4, 9, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, -1, -1, -1, -1},
|
||
|
|
{3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, -1, -1, -1, -1},
|
||
|
|
{6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, -1},
|
||
|
|
{9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, -1, -1, -1, -1},
|
||
|
|
{1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, -1},
|
||
|
|
{4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, -1},
|
||
|
|
{7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, -1, -1, -1, -1},
|
||
|
|
{6, 9, 5, 6, 11, 9, 11, 8, 9, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, -1, -1, -1, -1},
|
||
|
|
{0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, -1, -1, -1, -1},
|
||
|
|
{6, 11, 3, 6, 3, 5, 5, 3, 1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, -1, -1, -1, -1},
|
||
|
|
{0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, -1},
|
||
|
|
{11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, -1},
|
||
|
|
{6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, -1, -1, -1, -1},
|
||
|
|
{5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, -1, -1, -1, -1},
|
||
|
|
{9, 5, 6, 9, 6, 0, 0, 6, 2, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, -1},
|
||
|
|
{1, 5, 6, 2, 1, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, -1},
|
||
|
|
{10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, -1, -1, -1, -1},
|
||
|
|
{0, 3, 8, 5, 6, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 5, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{11, 5, 10, 7, 5, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{11, 5, 10, 11, 7, 5, 8, 3, 0, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 11, 7, 5, 10, 11, 1, 9, 0, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, -1, -1, -1, -1},
|
||
|
|
{11, 1, 2, 11, 7, 1, 7, 5, 1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, -1, -1, -1, -1},
|
||
|
|
{9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, -1, -1, -1, -1},
|
||
|
|
{7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, -1},
|
||
|
|
{2, 5, 10, 2, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, -1, -1, -1, -1},
|
||
|
|
{9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, -1, -1, -1, -1},
|
||
|
|
{9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, -1},
|
||
|
|
{1, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 7, 0, 7, 1, 1, 7, 5, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 0, 3, 9, 3, 5, 5, 3, 7, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 8, 7, 5, 9, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 8, 4, 5, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, -1, -1, -1, -1},
|
||
|
|
{0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, -1, -1, -1, -1},
|
||
|
|
{10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, -1},
|
||
|
|
{2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, -1, -1, -1, -1},
|
||
|
|
{0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, -1},
|
||
|
|
{0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, -1},
|
||
|
|
{9, 4, 5, 2, 11, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, -1, -1, -1, -1},
|
||
|
|
{5, 10, 2, 5, 2, 4, 4, 2, 0, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, -1},
|
||
|
|
{5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, -1, -1, -1, -1},
|
||
|
|
{8, 4, 5, 8, 5, 3, 3, 5, 1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 4, 5, 1, 0, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, -1, -1, -1, -1},
|
||
|
|
{9, 4, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 11, 7, 4, 9, 11, 9, 10, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, -1, -1, -1, -1},
|
||
|
|
{1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, -1, -1, -1, -1},
|
||
|
|
{3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, -1},
|
||
|
|
{4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, -1, -1, -1, -1},
|
||
|
|
{9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, -1},
|
||
|
|
{11, 7, 4, 11, 4, 2, 2, 4, 0, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, -1, -1, -1, -1},
|
||
|
|
{2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, -1, -1, -1, -1},
|
||
|
|
{9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, -1},
|
||
|
|
{3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, -1},
|
||
|
|
{1, 10, 2, 8, 7, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 9, 1, 4, 1, 7, 7, 1, 3, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, -1, -1, -1, -1},
|
||
|
|
{4, 0, 3, 7, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{4, 8, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 0, 9, 3, 9, 11, 11, 9, 10, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{0, 1, 10, 0, 10, 8, 8, 10, 11, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 1, 10, 11, 3, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{1, 2, 11, 1, 11, 9, 9, 11, 8, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, -1, -1, -1, -1},
|
||
|
|
{0, 2, 11, 8, 0, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{3, 2, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{2, 3, 8, 2, 8, 10, 10, 8, 9, -1, -1, -1, -1, -1, -1, -1},
|
||
|
|
{9, 10, 2, 0, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
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{2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, -1, -1, -1, -1},
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{1, 10, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
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{1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
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{0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
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{0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
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{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}
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};
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||
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#endif /* MARCHING_H_ */
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