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Update impact time calculation in canon analytic

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This commit is contained in:
John M. Penn 2016-10-27 13:19:27 -05:00
parent 37a75bc34e
commit 11f52b9274
1 changed files with 3 additions and 1 deletions
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4
trick_sims/Cannon/models/cannon/gravity/src/cannon_analytic.c
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@ -2,6 +2,7 @@
PURPOSE: ( Analytical Cannon )
*****************************************************************************/
#include <stdio.h>
#include <math.h>
#include "../include/cannon.h"
#include "../include/cannon_analytic_proto.h"
@ -15,11 +16,12 @@ int cannon_analytic( CANNON* C )
C->pos[1] = C->pos0[1] + (C->vel0[1] + (0.5) * C->acc0[1] * C->time) * C->time ;
if (C->pos[1] < 0.0) {
C->impact = 1;
C->impactTime = -(2 * C->vel0[1] / C->acc0[1]);
C->impactTime = (- C->vel0[1] - sqrt( C->vel0[1] * C->vel0[1] - 2 * C->pos0[1]))/C->acc[1];
C->pos[0] = C->impactTime * C->vel0[0];
C->pos[1] = 0.0;
C->vel[0] = 0.0;
C->vel[1] = 0.0;
fprintf(stderr, "\n\nIMPACT: ModelTime = %.9f, pos = %.9f\n\n", C->impactTime, C->pos[0] ) ;
}
/*