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Diffstat (limited to 'headtrack_demo/include/glut/GL/tube.h')
| -rw-r--r-- | headtrack_demo/include/glut/GL/tube.h | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/headtrack_demo/include/glut/GL/tube.h b/headtrack_demo/include/glut/GL/tube.h new file mode 100644 index 0000000..fad9317 --- /dev/null +++ b/headtrack_demo/include/glut/GL/tube.h @@ -0,0 +1,201 @@ +/* + * tube.h + * + * FUNCTION: + * Tubing and Extrusion header file. + * This file provides protypes and defines for the extrusion + * and tubing primitives. + * + * HISTORY: + * Linas Vepstas 1990, 1991 + */ + +#ifndef __TUBE_H__ +#define __TUBE_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + GLE API revision history: + + GLE_API_VERSION is updated to reflect GLE API changes (interface + changes, semantic changes, deletions, or additions). + + GLE_API_VERSION=228 GLUT 3.7 release of GLE. +**/ +#ifndef GLE_API_VERSION /* allow this to be overriden */ +#define GLE_API_VERSION 228 +#endif + +/* some types */ +#define gleDouble double +typedef gleDouble gleAffine[2][3]; + +/* ====================================================== */ + +/* defines for tubing join styles */ +#define TUBE_JN_RAW 0x1 +#define TUBE_JN_ANGLE 0x2 +#define TUBE_JN_CUT 0x3 +#define TUBE_JN_ROUND 0x4 +#define TUBE_JN_MASK 0xf /* mask bits */ +#define TUBE_JN_CAP 0x10 + +/* determine how normal vectors are to be handled */ +#define TUBE_NORM_FACET 0x100 +#define TUBE_NORM_EDGE 0x200 +#define TUBE_NORM_PATH_EDGE 0x400 /* for spiral, lathe, helix primitives */ +#define TUBE_NORM_MASK 0xf00 /* mask bits */ + +/* closed or open countours */ +#define TUBE_CONTOUR_CLOSED 0x1000 + +#define GLE_TEXTURE_ENABLE 0x10000 +#define GLE_TEXTURE_STYLE_MASK 0xff +#define GLE_TEXTURE_VERTEX_FLAT 1 +#define GLE_TEXTURE_NORMAL_FLAT 2 +#define GLE_TEXTURE_VERTEX_CYL 3 +#define GLE_TEXTURE_NORMAL_CYL 4 +#define GLE_TEXTURE_VERTEX_SPH 5 +#define GLE_TEXTURE_NORMAL_SPH 6 +#define GLE_TEXTURE_VERTEX_MODEL_FLAT 7 +#define GLE_TEXTURE_NORMAL_MODEL_FLAT 8 +#define GLE_TEXTURE_VERTEX_MODEL_CYL 9 +#define GLE_TEXTURE_NORMAL_MODEL_CYL 10 +#define GLE_TEXTURE_VERTEX_MODEL_SPH 11 +#define GLE_TEXTURE_NORMAL_MODEL_SPH 12 + +#ifdef GL_32 +/* HACK for GL 3.2 -- needed because no way to tell if lighting is on. */ +#define TUBE_LIGHTING_ON 0x80000000 + +#define gleExtrusion extrusion +#define gleSetJoinStyle setjoinstyle +#define gleGetJoinStyle getjoinstyle +#define glePolyCone polycone +#define glePolyCylinder polycylinder +#define gleSuperExtrusion super_extrusion +#define gleTwistExtrusion twist_extrusion +#define gleSpiral spiral +#define gleLathe lathe +#define gleHelicoid helicoid +#define gleToroid toroid +#define gleScrew screw + +#endif /* GL_32 */ + +extern int gleGetJoinStyle (void); +extern void gleSetJoinStyle (int style); /* bitwise OR of flags */ +extern int gleGetNumSlices(void); +extern void gleSetNumSlices(int slices); + +/* draw polyclinder, specified as a polyline */ +extern void glePolyCylinder (int npoints, /* num points in polyline */ + gleDouble point_array[][3], /* polyline vertces */ + float color_array[][3], /* colors at polyline verts */ + gleDouble radius); /* radius of polycylinder */ + +/* draw polycone, specified as a polyline with radii */ +extern void glePolyCone (int npoints, /* numpoints in poly-line */ + gleDouble point_array[][3], /* polyline vertices */ + float color_array[][3], /* colors at polyline verts */ + gleDouble radius_array[]); /* cone radii at polyline verts */ + +/* extrude arbitrary 2D contour along arbitrary 3D path */ +extern void gleExtrusion (int ncp, /* number of contour points */ + gleDouble contour[][2], /* 2D contour */ + gleDouble cont_normal[][2], /* 2D contour normals */ + gleDouble up[3], /* up vector for contour */ + int npoints, /* numpoints in poly-line */ + gleDouble point_array[][3], /* polyline vertices */ + float color_array[][3]); /* colors at polyline verts */ + +/* extrude 2D contour, specifying local rotations (twists) */ +extern void gleTwistExtrusion (int ncp, /* number of contour points */ + gleDouble contour[][2], /* 2D contour */ + gleDouble cont_normal[][2], /* 2D contour normals */ + gleDouble up[3], /* up vector for contour */ + int npoints, /* numpoints in poly-line */ + gleDouble point_array[][3], /* polyline vertices */ + float color_array[][3], /* color at polyline verts */ + gleDouble twist_array[]); /* countour twists (in degrees) */ + +/* extrude 2D contour, specifying local affine tranformations */ +extern void gleSuperExtrusion (int ncp, /* number of contour points */ + gleDouble contour[][2], /* 2D contour */ + gleDouble cont_normal[][2], /* 2D contour normals */ + gleDouble up[3], /* up vector for contour */ + int npoints, /* numpoints in poly-line */ + gleDouble point_array[][3], /* polyline vertices */ + float color_array[][3], /* color at polyline verts */ + gleDouble xform_array[][2][3]); /* 2D contour xforms */ + +/* spiral moves contour along helical path by parallel transport */ +extern void gleSpiral (int ncp, /* number of contour points */ + gleDouble contour[][2], /* 2D contour */ + gleDouble cont_normal[][2], /* 2D contour normals */ + gleDouble up[3], /* up vector for contour */ + gleDouble startRadius, /* spiral starts in x-y plane */ + gleDouble drdTheta, /* change in radius per revolution */ + gleDouble startZ, /* starting z value */ + gleDouble dzdTheta, /* change in Z per revolution */ + gleDouble startXform[2][3], /* starting contour affine xform */ + gleDouble dXformdTheta[2][3], /* tangent change xform per revoln */ + gleDouble startTheta, /* start angle in x-y plane */ + gleDouble sweepTheta); /* degrees to spiral around */ + +/* lathe moves contour along helical path by helically shearing 3D space */ +extern void gleLathe (int ncp, /* number of contour points */ + gleDouble contour[][2], /* 2D contour */ + gleDouble cont_normal[][2], /* 2D contour normals */ + gleDouble up[3], /* up vector for contour */ + gleDouble startRadius, /* spiral starts in x-y plane */ + gleDouble drdTheta, /* change in radius per revolution */ + gleDouble startZ, /* starting z value */ + gleDouble dzdTheta, /* change in Z per revolution */ + gleDouble startXform[2][3], /* starting contour affine xform */ + gleDouble dXformdTheta[2][3], /* tangent change xform per revoln */ + gleDouble startTheta, /* start angle in x-y plane */ + gleDouble sweepTheta); /* degrees to spiral around */ + +/* similar to spiral, except contour is a circle */ +extern void gleHelicoid (gleDouble rToroid, /* circle contour (torus) radius */ + gleDouble startRadius, /* spiral starts in x-y plane */ + gleDouble drdTheta, /* change in radius per revolution */ + gleDouble startZ, /* starting z value */ + gleDouble dzdTheta, /* change in Z per revolution */ + gleDouble startXform[2][3], /* starting contour affine xform */ + gleDouble dXformdTheta[2][3], /* tangent change xform per revoln */ + gleDouble startTheta, /* start angle in x-y plane */ + gleDouble sweepTheta); /* degrees to spiral around */ + +/* similar to lathe, except contour is a circle */ +extern void gleToroid (gleDouble rToroid, /* circle contour (torus) radius */ + gleDouble startRadius, /* spiral starts in x-y plane */ + gleDouble drdTheta, /* change in radius per revolution */ + gleDouble startZ, /* starting z value */ + gleDouble dzdTheta, /* change in Z per revolution */ + gleDouble startXform[2][3], /* starting contour affine xform */ + gleDouble dXformdTheta[2][3], /* tangent change xform per revoln */ + gleDouble startTheta, /* start angle in x-y plane */ + gleDouble sweepTheta); /* degrees to spiral around */ + +/* draws a screw shape */ +extern void gleScrew (int ncp, /* number of contour points */ + gleDouble contour[][2], /* 2D contour */ + gleDouble cont_normal[][2], /* 2D contour normals */ + gleDouble up[3], /* up vector for contour */ + gleDouble startz, /* start of segment */ + gleDouble endz, /* end of segment */ + gleDouble twist); /* number of rotations */ + +extern void gleTextureMode (int mode); + +#ifdef __cplusplus +} + +#endif +#endif /* __TUBE_H__ */ +/* ================== END OF FILE ======================= */ |