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Diffstat (limited to 'hacks/glx/glschool_alg.h')
| -rw-r--r-- | hacks/glx/glschool_alg.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/hacks/glx/glschool_alg.h b/hacks/glx/glschool_alg.h new file mode 100644 index 0000000..339e778 --- /dev/null +++ b/hacks/glx/glschool_alg.h @@ -0,0 +1,126 @@ +/* glschool_alg.h, Copyright (c) 2005-2006 David C. Lambert <dcl@panix.com> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ +#ifndef __GLSCHOOL_ALG_H__ +#define __GLSCHOOL_ALG_H__ + +typedef struct { + double mins[3]; + double maxs[3]; +} BBox; + +#define BBOX_XMIN(b) ((b)->mins[0]) +#define BBOX_YMIN(b) ((b)->mins[1]) +#define BBOX_ZMIN(b) ((b)->mins[2]) +#define BBOX_MINS(b) ((b)->mins) +#define BBOX_IMIN(b, i) ((b)->mins[(i)]) + +#define BBOX_XMAX(b) ((b)->maxs[0]) +#define BBOX_YMAX(b) ((b)->maxs[1]) +#define BBOX_ZMAX(b) ((b)->maxs[2]) +#define BBOX_MAXS(b) ((b)->maxs) +#define BBOX_IMAX(b, i) ((b)->maxs[(i)]) + +#define BBOX_IMID(b, i) (((b)->maxs[(i)] + (b)->mins[(i)])/2.0) +#define BBOX_IRANGE(b, i) ((b)->maxs[(i)] - (b)->mins[(i)]) + +typedef struct { + double pos[3]; + double vel[3]; + double accel[3]; + double oldVel[3]; + double magic[3]; + double avgVel[3]; +} Fish; + +#define FISH_POS(f) ((f)->pos) +#define FISH_X(f) ((f)->pos[0]) +#define FISH_Y(f) ((f)->pos[1]) +#define FISH_Z(f) ((f)->pos[2]) + +#define FISH_VEL(f) ((f)->vel) +#define FISH_VX(f) ((f)->vel[0]) +#define FISH_VY(f) ((f)->vel[1]) +#define FISH_VZ(f) ((f)->vel[2]) + +#define FISH_ACC(f) ((f)->accel) +#define FISH_MAGIC(f) ((f)->magic) +#define FISH_OLDVEL(f) ((f)->oldVel) +#define FISH_AVGVEL(f) ((f)->avgVel) +#define FISH_IPOS(f, i) ((f)->pos[(i)]) +#define FISH_IVEL(f, i) ((f)->vel[(i)]) +#define FISH_IACC(f, i) ((f)->accel[(i)]) +#define FISH_IMAGIC(f, i) ((f)->magic[(i)]) +#define FISH_IOLDVEL(f, i) ((f)->oldVel[(i)]) +#define FISH_IAVGVEL(f, i) ((f)->avgVel[(i)]) + +typedef struct { + int nFish; + double maxVel; + double minVel; + double distExp; + double momentum; + double accLimit; + double minRadius; + double minRadiusExp; + double avoidFact; + double matchFact; + double centerFact; + double targetFact; + double distComp; + double goal[3]; + double boxMids[3]; + double boxRanges[3]; + BBox theBox; + Fish *theFish; +} School; + +#define SCHOOL_NFISH(s) ((s)->nFish) +#define SCHOOL_MAXVEL(s) ((s)->maxVel) +#define SCHOOL_MINVEL(s) ((s)->minVel) +#define SCHOOL_DISTEXP(s) ((s)->distExp) +#define SCHOOL_MOMENTUM(s) ((s)->momentum) +#define SCHOOL_ACCLIMIT(s) ((s)->accLimit) +#define SCHOOL_MINRADIUS(s) ((s)->minRadius) +#define SCHOOL_MINRADIUSEXP(s) ((s)->minRadiusExp) +#define SCHOOL_MATCHFACT(s) ((s)->matchFact) +#define SCHOOL_AVOIDFACT(s) ((s)->avoidFact) +#define SCHOOL_CENTERFACT(s) ((s)->centerFact) +#define SCHOOL_TARGETFACT(s) ((s)->targetFact) +#define SCHOOL_DISTCOMP(s) ((s)->distComp) +#define SCHOOL_GOAL(s) ((s)->goal) +#define SCHOOL_IGOAL(s,i) ((s)->goal[(i)]) +#define SCHOOL_BBMINS(s) ((s)->bbox.mins) +#define SCHOOL_BBMAXS(s) ((s)->bbox.maxs) +#define SCHOOL_BBMIDS(s) ((s)->boxMids) +#define SCHOOL_IMID(s,i) ((s)->boxMids[(i)]) +#define SCHOOL_BBRANGES(s) ((s)->boxRanges) +#define SCHOOL_IRANGE(s,i) ((s)->boxRanges[(i)]) +#define SCHOOL_BBOX(s) ((s)->theBox) +#define SCHOOL_FISHES(s) ((s)->theFish) +#define SCHOOL_IFISH(s,i) ((s)->theFish[i]) + +extern void glschool_initFishes(School *); +extern void glschool_initFish(Fish *, double *, double *); + +extern void glschool_applyMovements(School *); +/* extern void applyFishMovements(Fish *, BBox *, double, double, double); */ + +extern void glschool_freeSchool(School *); +extern School *glschool_initSchool(int, double, double, double, double, double, double, double, double, double, double, double); + +extern void glschool_newGoal(School *); +extern void glschool_setBBox(School *, double, double, double, double, double, double); + +extern void glschool_computeAccelerations(School *); +extern double glschool_computeNormalAndThetaToPlusZ(double *, double *); +int glschool_computeGroupVectors(School *, Fish *, double *, double *, double *); + +#endif /* __GLSCHOOL_ALG_H__ */ |