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icfp11/src/simulate.c

36 lines
1.1 KiB

#include "control.h"
#include <math.h>
static inline double fixdir(double a) {
if (a < 0) a += 360;
else if (a > 360) a -= 360;
return a;
}
void simulate(trial *t, timestamp ts) {
double move, angle;
timestamp diff = ts - t->sim.tm.ts;
if (diff == 0) return;
t->sim.tm.ts = ts;
t->sim.steps++;
move = t->sim.tm.vehicle.speed / 1000 * diff;
angle = t->sim.tm.vehicle.dir*M_PI/180;
t->sim.tm.vehicle.x += cos(angle)*move;
t->sim.tm.vehicle.y += sin(angle)*move;
/* switch (t->sim.vehicle.turn) {
case TURN_HARD_LEFT : t->sim.vehicle.dir = fixdir(t->sim.vehicle.dir + t->map.max_hard_turn/1000*diff); break;
case TURN_LEFT : t->sim.vehicle.dir = fixdir(t->sim.vehicle.dir + t->map.max_turn/1000*diff); break;
case TURN_STRAIGHT : break;
case TURN_RIGHT : t->sim.vehicle.dir = fixdir(t->sim.vehicle.dir - t->map.max_turn/1000*diff); break;
case TURN_HARD_RIGHT: t->sim.vehicle.dir = fixdir(t->sim.vehicle.dir - t->map.max_hard_turn/1000*diff); break;
}
t->sim.vehicle.accel = t->vehicle.accel;
t->sim.vehicle.turn = t->vehicle.turn;*/
}