void NewPunch ( float *ev_punchangle, float frametime );

V_DropPunchAngle ( pparams->frametime, (float *)&ev_punchangle );

NewPunch ( (float *)&ev_punchangle, pparams->frametime );

/*

=============

PLut Client Punch From HL2

=============

*/

#define PUNCH_DAMPING		9.0f		// bigger number makes the response more damped, smaller is less damped

// currently the system will overshoot, with larger damping values it won't

#define PUNCH_SPRING_CONSTANT	65.0f	// bigger number increases the speed at which the view corrects

#define clamp( val, min, max ) ( ((val) > (max)) ? (max) : ( ((val) < (min)) ? (min) : (val) ) )

vec3_t punch;

void NewPunch ( float *ev_punchangle, float frametime )

{

  float damping;

  float springForceMagnitude;

  if ( Length(ev_punchangle) > 0.001 || Length(punch) > 0.001 )

  {

    VectorMA(ev_punchangle, frametime, punch, ev_punchangle);

    damping = 1 - (PUNCH_DAMPING * frametime);

    if ( damping < 0 )

    {

      damping = 0;

    }

    VectorScale(punch, damping, punch);

    // torsional spring

    // UNDONE: Per-axis spring constant?

    springForceMagnitude = PUNCH_SPRING_CONSTANT * frametime;

    springForceMagnitude = clamp(springForceMagnitude, 0, 2 );

    VectorMA(punch, -springForceMagnitude, ev_punchangle, punch);

    // don't wrap around

    ev_punchangle[0] = clamp( ev_punchangle[0], -7, 7 );

    ev_punchangle[1] = clamp( ev_punchangle[1], -179, 179 );

    ev_punchangle[2] = clamp( ev_punchangle[2], -7, 7 );

  }

}

void Punch( float p, float y, float r )

{

  punch[0] -= p * 20;

  punch[1] += y * 20;

  punch[2] += r * 20;

}

void V_PunchAxis( int axis, float punch );

void Punch( float p, float y, float r );

Punch(2.5, -1.7, 0);