/// <summary>
/// Получить объект стиля границ ячейки
/// </summary>
/// <param name="borders">Оъект содержащий элементы стиля границ ячеек</param>
/// <param name="borderIndex">Индекс объекта</param>
/// <returns>Объект границ ячейки</returns>
public static Border GetBorder(this Borders borders, uint borderIndex)
{
return(borders.GetBorder((int)borderIndex));
}
//This is the function to get the next frame without restriction and removing balls from game
//This function calls the function "proceed_dt_only" to get the next frame just with simple movement from speed and rotation speed.
//It uses recursive call to generate the exact frame without penetration.
//It calculates the wall_collision and ball_ball_collision part mainly
//Called Functions : proceed_dt_only, calc_wall_collision_time, calc_ball_collision_time, ball_wall_interaction, ball_ball_interaction,
// proceed_dt_euler, wall_dv_pos, ball_dv_pos
//Return Value : null.
private static void proceed_dt_euler(Frame frame, int border_type, float dt, int depth)
/* this one does not remove fallen balls */
{
const int COLLTYPE_WALL = 1;
const int COLLTYPE_BALL = 2;
const int COLLTYPE_NONE = 0;
float dt1;
float dtmin = 0.0f;
int i, j;
int colltype = COLLTYPE_NONE;
int collnr = -1;
int collnr2 = -1;
if (depth == 0)
{
logtime = dt;
}
else
{
logtime += dt;
}
/* move all balls */
proceed_dt_only(frame, dt);
/* checks */
for (i = 0; i < 16; i++)
{
//if(frame.Balls[i].in_game){
/* check wall collisions */
for (j = 0; j < Borders.GetBorderNum(Borders.BORDERS_8GAME); j++)
{
dt1 = calc_wall_collision_time(frame.Balls[i], Borders.GetBorder(Borders.BORDERS_8GAME, j));
if (dt1 < dtmin && dt1 > -dt)
{
if (!wall_dv_pos(frame.Balls[i], Borders.GetBorder(Borders.BORDERS_8GAME, j), -dt * 1.0f)) /* dont strobe apart */
{
dtmin = dt1; colltype = COLLTYPE_WALL; collnr = j; collnr2 = i;
}
}
}
/* check ball collisions */
for (j = 0; j < 16; j++)
{
if (j != i)
{
dt1 = calc_ball_collision_time(frame.Balls[i], frame.Balls[j]); /* dt1 should be negative */
if (dt1 < dtmin && dt1 > -dt)
{
if (!ball_dv_pos(frame.Balls[j], frame.Balls[i], -dt * 1.0f)) /* dont strobe apart */
{
dtmin = dt1; colltype = COLLTYPE_BALL; collnr = j; collnr2 = i;
}
}
}
}
//}
}
switch (colltype)
{
case COLLTYPE_WALL:
logtime += dtmin;
proceed_dt_only(frame, dtmin);
ball_wall_interaction(frame.Balls[collnr2], Borders.GetBorder(Borders.BORDERS_8GAME, collnr));
BallEvents.collide_wall++;
BallEvents.record_move_log_event(EventType0.BALL_WALL, collnr, frame.Balls[collnr2].nr, frame, frame.time);
frame.ballwallcollisionvolume = (Maths.vec_abs(frame.Balls[collnr2].v)) * 0.05f;
// MonoBehaviour.print(frame.ballwallcollisionvolume);
proceed_dt_euler(frame, border_type, -dtmin, depth + 1);
break;
case COLLTYPE_BALL:
logtime += dtmin;
proceed_dt_only(frame, dtmin);
ball_ball_interaction(frame.Balls[collnr], frame.Balls[collnr2]);
BallEvents.record_move_log_event(EventType0.BALL_BALL, frame.Balls[collnr].nr, frame.Balls[collnr2].nr, frame, frame.time);
frame.ballballcollisionvolume = (Maths.vec_abs(frame.Balls[collnr].v) + Maths.vec_abs(frame.Balls[collnr2].v)) * 0.05f;
proceed_dt_euler(frame, border_type, -dtmin, depth + 1);
break;
}
}