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#include <vecmath.h>
#include <physics.h>
#include <stdlib.h>
#include "dat.h"
#define POOL_SIZE 2048
Body phxbodypool[POOL_SIZE];
int phxbodypoolsize;
static Body *allocbody(void);
Body *
phxnew(BodyType type)
{
Body *b;
if((b = allocbody()) == NULL)
return b;
b->type = type;
return b;
}
void
phxdel(Body *b)
{
b->active = 0;
}
void
phxsetpos(Body *b, float x, float y)
{
b->pos[0] = x;
b->pos[1] = y;
}
void
phxsetsize(Body *b, float w, float h)
{
b->size[0] = w;
b->size[1] = h;
}
void
phxgetpos(Body *b, float p[2])
{
vec2_dup(p, b->pos);
}
void
phxgetsize(Body *b, float p[2])
{
vec2_dup(p, b->size);
}
void
phxapplyaccel(Body *b, float a[2])
{
vec2_add(b->accel, b->accel, a);
}
Body *
allocbody(void)
{
int i;
for(i = 0; i < phxbodypoolsize; i++) {
if(!phxbodypool[i].active)
break;
}
if(i >= phxbodypoolsize) {
if(phxbodypoolsize == POOL_SIZE)
return NULL;
i = phxbodypoolsize++;
}
phxbodypool[i].active = 1;
return phxbodypool + i;
}
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