41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#include "element.h"
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int update_BCLN(UPDATE_FUNC_ARGS) {
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if (!parts[i].life && sim->pv[y/CELL][x/CELL]>4.0f)
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parts[i].life = rand()%40+80;
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if (parts[i].life)
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{
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float advection = 0.1f;
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parts[i].vx += advection*sim->vx[y/CELL][x/CELL];
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parts[i].vy += advection*sim->vy[y/CELL][x/CELL];
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}
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if (parts[i].ctype<=0 || parts[i].ctype>=PT_NUM || (parts[i].ctype==PT_LIFE && (parts[i].tmp<0 || parts[i].tmp>=NGOLALT)))
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{
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int r, rx, ry;
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for (rx=-1; rx<2; rx++)
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for (ry=-1; ry<2; ry++)
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if (x+rx>=0 && y+ry>=0 && x+rx<XRES && y+ry<YRES)
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{
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r = sim->photons[y+ry][x+rx];
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if (!r)
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r = pmap[y+ry][x+rx];
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if (!r)
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continue;
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if ((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN &&
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(r&0xFF)!=PT_BCLN && (r&0xFF)!=PT_STKM &&
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(r&0xFF)!=PT_STKM2 && (r&0xFF)!=PT_PBCN &&
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(r&0xFF)<PT_NUM)
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{
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parts[i].ctype = r&0xFF;
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if ((r&0xFF)==PT_LIFE)
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parts[i].tmp = parts[r>>8].ctype;
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}
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}
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}
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else {
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if (parts[i].ctype==PT_LIFE) sim->create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype|(parts[i].tmp<<8));
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else sim->create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
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}
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return 0;
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}
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