/Users/frarees/Desktop/rv1/source/inc/Aerial.h

// Aerial - describe the motion and state of a wobbly aerial
//
// An aerial is divided into up to ARIAL_MAX_SECTIONS stright sections
// which are attached to the previous section. 
//
//

#ifndef __AERIAL_H__
#define __AERIAL_H__

#include "particle.h"

#ifndef _PSX
#define AERIAL_NSECTIONS  3     // Odd number > 2
#define AERIAL_LASTSECTION  2     // AERIAL_NSECTIONS - 1
#define AERIAL_SKIP     1     // (AERIAL_NSECTIONS - 1) / 2
#define AERIAL_START    1     // always = AERIAL_SKIP

#define AERIAL_NTOTSECTIONS 5     // Total number of sections to draw
#define AERIAL_UNITLEN    (1.0f / 4.0f) // 1.0 / (AERIAL_NTOTSECTIONS - 1)
#else
#define AERIAL_NSECTIONS  3     // Odd number > 2
#define AERIAL_LASTSECTION  2     // AERIAL_NSECTIONS - 1
#define AERIAL_SKIP     1     // (AERIAL_NSECTIONS - 1) / 2
#define AERIAL_START    1     // always = AERIAL_SKIP

#define AERIAL_NTOTSECTIONS 5     // Total number of sections to draw
#define AERIAL_UNITLEN    (1.0f / 4.0f) // 1.0 / (AERIAL_NTOTSECTIONS - 1)
#endif


typedef PARTICLE AERIALSECTION;

typedef struct {
  //VEC BasePos;        // Position of aerial base relative to car CoM
  VEC Direction;
  REAL Length;        // Length of each aerial section in world coords
  REAL Stiffness;       // Stiffness of the linear spring connecting nodes
  REAL Damping;       // Damping of the linear spring
  REAL AntiGrav;        // "gravity" which keeps aerial straight
  AERIALSECTION Section[AERIAL_NSECTIONS];    // array of aerial sections
} AERIAL;

// prototypes

#ifdef _PC
extern AERIAL *CreateAerial();
extern void DestroyAerial(AERIAL *aerial);
#endif
extern void SetAerialSprings(AERIAL *aerial, REAL stiffness, REAL damping, REAL antiGrav);
extern void InitAerial(AERIAL *aerial, VEC *direction, REAL secLength, REAL mass, REAL hardness, REAL resistance, REAL gravity);

// globals


#endif

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