/Users/frarees/Desktop/rv1/source/Aerial.cpp

//
// Aerial - wobbly aerial implementation
//
//
//

#include "Revolt.h"
#include "Particle.h"

#ifndef _PSX

#include "Model.h"
#include "Aerial.h"
#include "Geom.h"

#endif

//
// CreateAerial:  create an aerial with the specified number of section
//
#ifdef _PC
AERIAL *CreateAerial(void)
{
  // Allocate space for the aerial structure
  return (AERIAL *)malloc(sizeof(AERIAL));
}
#endif

//
// DestroyAerial: deallocate the space created for the aerial object
//
#ifdef _PC
void DestroyAerial(AERIAL *aerial)
{
  free(aerial);
}
#endif


//
// SetAerialSprings: setup the aerial's springs
//

void SetAerialSprings(AERIAL *aerial, REAL stiffness, REAL damping, REAL antiGrav)
{
  aerial->Stiffness = stiffness;
  aerial->Damping = damping;
  aerial->AntiGrav = antiGrav;
}


//
// InitCarAerial: initialise the aerial data structure
//
// inputs:
//    car     - the car whose aerial is to be initalised
//    pos     - the initial position of the aerial base 
//            in world coords
//    direction - the direction in which the aerial points
//    secLength - the length of the aerial sections
//
//  note:
//    initialises ALL aerial sections (not just the ones used)

void InitAerial
  (AERIAL *aerial, 
  VEC *direction, 
  REAL secLength, 
  REAL mass, 
  REAL hardness, 
  REAL resistance,
  REAL gravity)
{
  int iSec;
  PARTICLE *pSection;

  aerial->Length = secLength;

  CopyVec(direction, &aerial->Direction);

  // Set the mass, hardness and resistance
  for (iSec = 0; iSec < AERIAL_NSECTIONS; iSec++) {
    // Store a pointer to the current section (avoid excessive dereferencing)
    pSection = &aerial->Section[iSec];

    SetParticleMass(pSection, mass);

    pSection->Hardness = hardness;
    pSection->Resistance = resistance;
    pSection->Gravity = gravity;
  }

}

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