* useWireMode controls the drawing of solids (false) or wire frame
* versions (TRUE) of the geometry you pass
*/
-static void fghDrawGeometry(GLenum vertexMode, double* vertices, double* normals, GLsizei numVertices, GLboolean useWireMode)
+static void fghDrawGeometry(GLenum vertexMode, GLdouble* vertices, GLdouble* normals, GLsizei numVertices, GLboolean useWireMode)
{
if (useWireMode)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
- glEnableClientState(GL_VERTEX_ARRAY);
- glEnableClientState(GL_NORMAL_ARRAY);
+ if (1)
+ {
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
- glVertexPointer(3, GL_DOUBLE, 0, vertices);
- glNormalPointer(GL_DOUBLE, 0, normals);
- glDrawArrays(vertexMode,0,numVertices);
+ glVertexPointer(3, GL_DOUBLE, 0, vertices);
+ glNormalPointer(GL_DOUBLE, 0, normals);
+ glDrawArrays(vertexMode, 0, numVertices);
- glDisableClientState(GL_VERTEX_ARRAY);
- glDisableClientState(GL_NORMAL_ARRAY);
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+ }
+ else
+ {
+ int i;
+ glBegin(vertexMode);
+ for(i=0; i<numVertices; i++)
+ {
+ glNormal3dv(normals+i*3);
+ printf("n(%i) = (%1.4f,%1.4f,%1.4f)\n",i,*(normals+i*3),*(normals+i*3+1),*(normals+i*3+2));
+ glVertex3dv(vertices+i*3);
+ printf("v(%i) = (%1.4f,%1.4f,%1.4f)\n",i,*(vertices+i*3),*(vertices+i*3+1),*(vertices+i*3+2));
+ }
+ glEnd();
+ }
if (useWireMode)
{
}
}
+static void fghGenerateGeometry(int numFaces, int numVertPerFace, GLdouble *vertices, GLubyte* vertIndices, GLdouble *normals, GLdouble *vertOut, GLdouble *normOut)
+{
+ int i,j;
+ /*
+ * Build array with vertices from vertex coordinates and vertex indices
+ * Do same for normals.
+ * Need to do this because of different normals at shared vertices
+ * (and because normals' coordinates need to be negated).
+ */
+ for (i=0; i<numFaces; i++)
+ {
+ int normIdx = i*3;
+ int faceIdxVertIdx = i*numVertPerFace;
+ for (j=0; j<numVertPerFace; j++)
+ {
+ int outIdx = i*numVertPerFace*3+j*3;
+ int vertIdx = vertIndices[faceIdxVertIdx+j]*3;
+
+ vertOut[outIdx ] = vertices[vertIdx ];
+ vertOut[outIdx+1] = vertices[vertIdx+1];
+ vertOut[outIdx+2] = vertices[vertIdx+2];
+
+ normOut[outIdx ] = normals [normIdx ];
+ normOut[outIdx+1] = normals [normIdx+1];
+ normOut[outIdx+2] = normals [normIdx+2];
+ }
+ }
+}
+
/* -- INTERNAL SETUP OF GEOMETRY --------------------------------------- */
static unsigned int ipow (int x, unsigned int y)
#define CUBE_NUM_VERT 8
#define CUBE_NUM_FACES 6
#define CUBE_NUM_VERT_PER_FACE 4
-#define CUBE_VERT_PER_TETR CUBE_NUM_FACES*CUBE_NUM_VERT_PER_FACE
-#define CUBE_VERT_ELEM_PER_TETR CUBE_VERT_PER_TETR*3
+#define CUBE_VERT_PER_CUBE CUBE_NUM_FACES*CUBE_NUM_VERT_PER_FACE
+#define CUBE_VERT_ELEM_PER_CUBE CUBE_VERT_PER_CUBE*3
/* Vertex Coordinates */
-static GLdouble cube_v[CUBE_NUM_VERT][3] =
+static GLdouble cube_v[CUBE_NUM_VERT*3] =
{
- { .5, .5, .5},
- {-.5, .5, .5},
- {-.5,-.5, .5},
- { .5,-.5, .5},
- { .5,-.5,-.5},
- { .5, .5,-.5},
- {-.5, .5,-.5},
- {-.5,-.5,-.5}
+ .5, .5, .5,
+ -.5, .5, .5,
+ -.5,-.5, .5,
+ .5,-.5, .5,
+ .5,-.5,-.5,
+ .5, .5,-.5,
+ -.5, .5,-.5,
+ -.5,-.5,-.5
};
/* Normal Vectors */
-static GLdouble cube_n[CUBE_NUM_FACES][3] =
+static GLdouble cube_n[CUBE_NUM_FACES*3] =
{
- { 1.0, 0.0, 0.0},
- { 0.0, 1.0, 0.0},
- { 0.0, 0.0, 1.0},
- {-1.0, 0.0, 0.0},
- { 0.0,-1.0, 0.0},
- { 0.0, 0.0,-1.0}
+ 0.0, 0.0, 1.0,
+ 1.0, 0.0, 0.0,
+ 0.0, 1.0, 0.0,
+ -1.0, 0.0, 0.0,
+ 0.0,-1.0, 0.0,
+ 0.0, 0.0,-1.0
};
/* Vertex indices */
-static GLubyte cube_vi[CUBE_NUM_FACES][CUBE_NUM_VERT_PER_FACE] =
+static GLubyte cube_vi[CUBE_VERT_PER_CUBE] =
{
- {0,1,2,3}, {0,3,4,5}, {0,5,6,1}, {1,6,7,2}, {7,4,3,2}, {4,7,6,5}
+ 0,1,2,3,
+ 0,3,4,5,
+ 0,5,6,1,
+ 1,6,7,2,
+ 7,4,3,2,
+ 4,7,6,5
};
/* Cache of input to glDrawArrays */
static GLboolean cubeCached = FALSE;
-static double cube_verts[CUBE_VERT_ELEM_PER_TETR];
-static double cube_norms[CUBE_VERT_ELEM_PER_TETR];
+static GLdouble cube_verts[CUBE_VERT_ELEM_PER_CUBE];
+static GLdouble cube_norms[CUBE_VERT_ELEM_PER_CUBE];
static void fghCubeGenerate()
-{
- int i,j;
- for (i=0; i<CUBE_NUM_FACES; i++)
- {
- for (j=0; j<CUBE_NUM_VERT_PER_FACE; j++)
- {
- int idx = i*CUBE_NUM_VERT_PER_FACE*3+j*3;
- cube_verts[idx ] = cube_v[cube_vi[i][j]][0];
- cube_verts[idx+1] = cube_v[cube_vi[i][j]][1];
- cube_verts[idx+2] = cube_v[cube_vi[i][j]][2];
-
- cube_norms[idx ] = cube_n[i][0];
- cube_norms[idx+1] = cube_n[i][1];
- cube_norms[idx+2] = cube_n[i][2];
- }
- }
+{
+ fghGenerateGeometry(CUBE_NUM_FACES, CUBE_NUM_VERT_PER_FACE, cube_v, cube_vi, cube_n, cube_verts, cube_norms);
+}
+
+/* -- Octahedron -- */
+#define OCTAHEDRON_NUM_VERT 6
+#define OCTAHEDRON_NUM_FACES 8
+#define OCTAHEDRON_NUM_VERT_PER_FACE 3
+#define OCTAHEDRON_VERT_PER_OCTA OCTAHEDRON_NUM_FACES*OCTAHEDRON_NUM_VERT_PER_FACE
+#define OCTAHEDRON_VERT_ELEM_PER_OCTA OCTAHEDRON_VERT_PER_OCTA*3
+
+/* Vertex Coordinates */
+static GLdouble octahedron_v[OCTAHEDRON_NUM_VERT*3] =
+{
+ 1., 0., 0.,
+ 0., 1., 0.,
+ 0., 0., 1.,
+ -1., 0., 0.,
+ 0., -1., 0.,
+ 0., 0., -1.,
+
+};
+/* Normal Vectors */
+static GLdouble octahedron_n[OCTAHEDRON_NUM_FACES*3] =
+{
+ 0.577350269189, 0.577350269189, 0.577350269189, /* sqrt(1/3) */
+ 0.577350269189, 0.577350269189,-0.577350269189,
+ 0.577350269189,-0.577350269189, 0.577350269189,
+ 0.577350269189,-0.577350269189,-0.577350269189,
+ -0.577350269189, 0.577350269189, 0.577350269189,
+ -0.577350269189, 0.577350269189,-0.577350269189,
+ -0.577350269189,-0.577350269189, 0.577350269189,
+ -0.577350269189,-0.577350269189,-0.577350269189
+
+};
+
+/* Vertex indices */
+static GLubyte octahedron_vi[OCTAHEDRON_VERT_PER_OCTA] =
+{
+ 0, 1, 2,
+ 0, 5, 1,
+ 0, 2, 4,
+ 0, 4, 5,
+ 3, 2, 1,
+ 3, 1, 5,
+ 3, 4, 2,
+ 3, 5, 4
+};
+
+/* Cache of input to glDrawArrays */
+static GLboolean octahedronCached = FALSE;
+static GLdouble octahedron_verts[OCTAHEDRON_VERT_ELEM_PER_OCTA];
+static GLdouble octahedron_norms[OCTAHEDRON_VERT_ELEM_PER_OCTA];
+
+static void fghOctahedronGenerate()
+{
+ fghGenerateGeometry(OCTAHEDRON_NUM_FACES, OCTAHEDRON_NUM_VERT_PER_FACE, octahedron_v, octahedron_vi, octahedron_n, octahedron_verts, octahedron_norms);
}
/* -- Tetrahedron -- */
#define TETR_VERT_ELEM_PER_TETR TETR_VERT_PER_TETR*3
/* Vertex Coordinates */
-static GLdouble tet_r[TETR_NUM_VERT][TETR_NUM_VERT_PER_FACE] =
+static GLdouble tetr_v[TETR_NUM_VERT*3] =
{
- { 1.0, 0.0, 0.0 },
- { -0.333333333333, 0.942809041582, 0.0 },
- { -0.333333333333, -0.471404520791, 0.816496580928 },
- { -0.333333333333, -0.471404520791, -0.816496580928 }
+ 1.0, 0.0, 0.0,
+ -0.333333333333, 0.942809041582, 0.0,
+ -0.333333333333, -0.471404520791, 0.816496580928,
+ -0.333333333333, -0.471404520791, -0.816496580928
};
/* Normal Vectors */
-static GLdouble tet_n[CUBE_NUM_FACES][3] =
+static GLdouble tetr_n[CUBE_NUM_FACES*3] =
{
- { - 1.0, 0.0, 0.0 },
- { 0.333333333333, -0.942809041582, 0.0 },
- { 0.333333333333, 0.471404520791, -0.816496580928 },
- { 0.333333333333, 0.471404520791, 0.816496580928 }
+ - 1.0, 0.0, 0.0,
+ 0.333333333333, -0.942809041582, 0.0,
+ 0.333333333333, 0.471404520791, -0.816496580928,
+ 0.333333333333, 0.471404520791, 0.816496580928
};
/* Vertex indices */
-static GLubyte tet_i[TETR_NUM_FACES][TETR_NUM_VERT_PER_FACE] =
+static GLubyte tetr_vi[TETR_VERT_PER_TETR] =
{
- { 1, 3, 2 }, { 0, 2, 3 }, { 0, 3, 1 }, { 0, 1, 2 }
+ 1, 3, 2,
+ 0, 2, 3,
+ 0, 3, 1,
+ 0, 1, 2
};
/* Cache of input to glDrawArrays */
static GLboolean tetrCached = FALSE;
-static double tetr_verts[TETR_VERT_ELEM_PER_TETR];
-static double tetr_norms[TETR_VERT_ELEM_PER_TETR];
+static GLdouble tetr_verts[TETR_VERT_ELEM_PER_TETR];
+static GLdouble tetr_norms[TETR_VERT_ELEM_PER_TETR];
static void fghTetrahedronGenerate()
{
- int i,j;
- /*
- * Build array with vertices from vertex coordinates and vertex indices
- * Do same for normals.
- * Need to do this because of different normals at shared vertices
- * (and because normals' coordinates need to be negated).
- */
- for (i=0; i<TETR_NUM_FACES; i++)
- {
- for (j=0; j<TETR_NUM_VERT_PER_FACE; j++)
- {
- int idx = i*TETR_NUM_VERT_PER_FACE*3+j*3;
- tetr_verts[idx ] = tet_r[tet_i[i][j]][0];
- tetr_verts[idx+1] = tet_r[tet_i[i][j]][1];
- tetr_verts[idx+2] = tet_r[tet_i[i][j]][2];
-
- tetr_norms[idx ] = tet_n[i][0];
- tetr_norms[idx+1] = tet_n[i][1];
- tetr_norms[idx+2] = tet_n[i][2];
- }
- }
+ fghGenerateGeometry(TETR_NUM_FACES, TETR_NUM_VERT_PER_FACE, tetr_v, tetr_vi, tetr_n, tetr_verts, tetr_norms);
}
/* -- Sierpinski Sponge -- */
-static void fghSierpinskiSpongeGenerate ( int numLevels, GLdouble offset[3], GLdouble scale, double* vertices, double* normals )
+static void fghSierpinskiSpongeGenerate ( int numLevels, GLdouble offset[3], GLdouble scale, GLdouble* vertices, GLdouble* normals )
{
int i, j;
if ( numLevels == 0 )
{
- for ( i = 0 ; i < TETR_NUM_FACES ; i++ )
+ for (i=0; i<TETR_NUM_FACES; i++)
{
- for ( j = 0; j < TETR_NUM_VERT_PER_FACE; j++ )
+ int normIdx = i*3;
+ int faceIdxVertIdx = i*TETR_NUM_VERT_PER_FACE;
+ for (j=0; j<TETR_NUM_VERT_PER_FACE; j++)
{
- int idx = i*TETR_NUM_VERT_PER_FACE*3+j*3;
- vertices[idx ] = offset[0] + scale * tet_r[tet_i[i][j]][0];
- vertices[idx+1] = offset[1] + scale * tet_r[tet_i[i][j]][1];
- vertices[idx+2] = offset[2] + scale * tet_r[tet_i[i][j]][2];
-
- normals [idx ] = -tet_r[i][0];
- normals [idx+1] = -tet_r[i][1];
- normals [idx+2] = -tet_r[i][2];
+ int outIdx = i*TETR_NUM_VERT_PER_FACE*3+j*3;
+ int vertIdx = tetr_vi[faceIdxVertIdx+j]*3;
+
+ vertices[outIdx ] = offset[0] + scale * tetr_v[vertIdx ];
+ vertices[outIdx+1] = offset[1] + scale * tetr_v[vertIdx+1];
+ vertices[outIdx+2] = offset[2] + scale * tetr_v[vertIdx+2];
+
+ normals [outIdx ] = tetr_n[normIdx ];
+ normals [outIdx+1] = tetr_n[normIdx+1];
+ normals [outIdx+2] = tetr_n[normIdx+2];
}
}
}
scale /= 2.0 ;
for ( i = 0 ; i < TETR_NUM_FACES ; i++ )
{
- local_offset[0] = offset[0] + scale * tet_r[i][0];
- local_offset[1] = offset[1] + scale * tet_r[i][1];
- local_offset[2] = offset[2] + scale * tet_r[i][2];
+ int idx = i*3;
+ local_offset[0] = offset[0] + scale * tetr_v[idx ];
+ local_offset[1] = offset[1] + scale * tetr_v[idx+1];
+ local_offset[2] = offset[2] + scale * tetr_v[idx+2];
fghSierpinskiSpongeGenerate ( numLevels, local_offset, scale, vertices+i*stride, normals+i*stride );
}
}
static void fghCube( GLdouble dSize, GLboolean useWireMode )
{
if (!cubeCached)
+ {
fghCubeGenerate();
+ cubeCached = TRUE;
+ }
if (dSize!=1.)
{
- /* Need to build new */
- fghDrawGeometry(GL_QUADS,cube_verts,cube_norms,CUBE_VERT_PER_TETR,useWireMode);
+ int i;
+
+ /* Need to build new vertex list containing vertices for cube of different size */
+ GLdouble *vertices = malloc(CUBE_VERT_ELEM_PER_CUBE * sizeof(GLdouble));
+ for (i=0; i<CUBE_VERT_ELEM_PER_CUBE; i++)
+ vertices[i] = dSize*cube_verts[i];
+
+ fghDrawGeometry(GL_QUADS,vertices ,cube_norms,CUBE_VERT_PER_CUBE,useWireMode);
}
else
- fghDrawGeometry(GL_QUADS,cube_verts,cube_norms,CUBE_VERT_PER_TETR,useWireMode);
+ fghDrawGeometry(GL_QUADS,cube_verts,cube_norms,CUBE_VERT_PER_CUBE,useWireMode);
+}
+
+static void fghOctahedron( GLboolean useWireMode )
+{
+ if (!octahedronCached)
+ {
+ fghOctahedronGenerate();
+ octahedronCached = TRUE;
+ }
+
+ fghDrawGeometry(GL_TRIANGLES,octahedron_verts,octahedron_norms,OCTAHEDRON_VERT_PER_OCTA,useWireMode);
}
static void fghTetrahedron( GLboolean useWireMode )
{
if (!tetrCached)
+ {
fghTetrahedronGenerate();
+ tetrCached = TRUE;
+ }
fghDrawGeometry(GL_TRIANGLES,tetr_verts,tetr_norms,TETR_VERT_PER_TETR,useWireMode);
}
static void fghSierpinskiSponge ( int numLevels, GLdouble offset[3], GLdouble scale, GLboolean useWireMode )
{
- double *vertices;
- double * normals;
- unsigned int numTetr = numLevels<0? 0 : ipow(4,numLevels); /* No sponge for numLevels below 0 */
- unsigned int numVert = numTetr*TETR_VERT_PER_TETR;
+ GLdouble *vertices;
+ GLdouble * normals;
+ GLsizei numTetr = numLevels<0? 0 : ipow(4,numLevels); /* No sponge for numLevels below 0 */
+ GLsizei numVert = numTetr*TETR_VERT_PER_TETR;
if (numTetr)
{
/* Allocate memory */
- vertices = malloc(numVert*3 * sizeof(double));
- normals = malloc(numVert*3 * sizeof(double));
+ vertices = malloc(numVert*3 * sizeof(GLdouble));
+ normals = malloc(numVert*3 * sizeof(GLdouble));
/* Generate elements */
fghSierpinskiSpongeGenerate ( numLevels, offset, scale, vertices, normals );
/*
*
*/
-void FGAPIENTRY glutWireOctahedron( void )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireOctahedron" );
-
-#define RADIUS 1.0f
- glBegin( GL_LINE_LOOP );
- glNormal3d( 0.577350269189, 0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
- glNormal3d( 0.577350269189, 0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS ); glVertex3d( 0.0, RADIUS, 0.0 );
- glNormal3d( 0.577350269189,-0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS ); glVertex3d( 0.0,-RADIUS, 0.0 );
- glNormal3d( 0.577350269189,-0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
- glNormal3d(-0.577350269189, 0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS ); glVertex3d( 0.0, RADIUS, 0.0 );
- glNormal3d(-0.577350269189, 0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
- glNormal3d(-0.577350269189,-0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
- glNormal3d(-0.577350269189,-0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS ); glVertex3d( 0.0,-RADIUS, 0.0 );
- glEnd();
-#undef RADIUS
-}
-
-/*
- *
- */
-void FGAPIENTRY glutSolidOctahedron( void )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidOctahedron" );
-
-#define RADIUS 1.0f
- glBegin( GL_TRIANGLES );
- glNormal3d( 0.577350269189, 0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
- glNormal3d( 0.577350269189, 0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS ); glVertex3d( 0.0, RADIUS, 0.0 );
- glNormal3d( 0.577350269189,-0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS ); glVertex3d( 0.0,-RADIUS, 0.0 );
- glNormal3d( 0.577350269189,-0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
- glNormal3d(-0.577350269189, 0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS ); glVertex3d( 0.0, RADIUS, 0.0 );
- glNormal3d(-0.577350269189, 0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
- glNormal3d(-0.577350269189,-0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
- glNormal3d(-0.577350269189,-0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS ); glVertex3d( 0.0,-RADIUS, 0.0 );
- glEnd();
-#undef RADIUS
-}
-
-/*
- *
- */
static double icos_r[12][3] = {
{ 1.0, 0.0, 0.0 },
{ 0.447213595500, 0.894427191000, 0.0 },
fghCube( dSize, FALSE );
}
-void FGAPIENTRY glutWireTetrahedron( void )
+void FGAPIENTRY glutWireOctahedron( void )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireTetrahedron" );
- fghTetrahedron( TRUE );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireOctahedron" );
+ fghOctahedron( TRUE );
}
-void FGAPIENTRY glutSolidTetrahedron( void )
+void FGAPIENTRY glutSolidOctahedron( void )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidTetrahedron" );
- fghTetrahedron( FALSE );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidOctahedron" );
+ fghOctahedron( FALSE );
}
void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLdouble offset[3], GLdouble scale )
fghSierpinskiSponge ( num_levels, offset, scale, FALSE );
}
+void FGAPIENTRY glutWireTetrahedron( void )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireTetrahedron" );
+ fghTetrahedron( TRUE );
+}
+void FGAPIENTRY glutSolidTetrahedron( void )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidTetrahedron" );
+ fghTetrahedron( FALSE );
+}
+
/*** END OF FILE ***/
projects / freeglut / blobdiff