starfighter/code/debris.cpp

95 lines
2.0 KiB
C++
Raw Normal View History

/*
Copyright (C) 2003 Parallel Realities
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "Starfighter.h"
void addDebris(int x, int y, int amount)
{
if ((rand() % 2) == 0)
playSound(SFX_DEBRIS);
else
playSound(SFX_DEBRIS2);
object *debris;
amount = rrand(3, rand() % amount);
limitInt(&amount, 3, 8);
for (int i = 0 ; i < amount ; i++)
{
debris = new object;
debris->next = NULL;
debris->x = x;
debris->y = y;
debris->thinktime = rrand(60, 180);
debris->dx = rrand(-500, 500);
debris->dy = rrand(-500, 500);
if (debris->dx != 0)
debris->dx /= 100;
if (debris->dy != 0)
debris->dy /= 100;
engine.debrisTail->next = debris;
engine.debrisTail = debris;
}
}
void doDebris()
{
object *prevDebris = engine.debrisHead;
object *debris = engine.debrisHead;
engine.debrisTail = engine.debrisHead;
while (debris->next != NULL)
{
debris = debris->next;
if (debris->thinktime > 0)
{
debris->thinktime--;
debris->x += engine.ssx;
debris->y += engine.ssy;
debris->x += debris->dx;
debris->y += debris->dy;
addExplosion(debris->x + rrand(-10, 10), debris->y + rrand(-10, 10), E_BIG_EXPLOSION);
}
if (debris->thinktime < 1)
{
prevDebris->next = debris->next;
delete debris;
debris = prevDebris;
}
else
{
prevDebris = debris;
engine.debrisTail = debris;
}
}
}