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| author | Simon Robertshaw <simon@hardwired.org.uk> | 2011-12-19 21:35:40 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-12-19 21:35:40 (GMT) |
| commit | 810adc81fe672cab81a6d5f412961e9c4c682bbd (patch) | |
| tree | 425e5a83791150427296f1ed053674f0abb77bb3 /src/elements/gpmp.c | |
| parent | a523dcab798722f569f801ee7190bbff1d104770 (diff) | |
| download | powder-810adc81fe672cab81a6d5f412961e9c4c682bbd.zip powder-810adc81fe672cab81a6d5f412961e9c4c682bbd.tar.gz | |
Use reduced resolution gravity maps for improved performance
Diffstat (limited to 'src/elements/gpmp.c')
| -rw-r--r-- | src/elements/gpmp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/elements/gpmp.c b/src/elements/gpmp.c index 1766b3b..1f2be1d 100644 --- a/src/elements/gpmp.c +++ b/src/elements/gpmp.c @@ -11,9 +11,9 @@ int update_GPMP(UPDATE_FUNC_ARGS) { if (parts[i].temp<= -256.0+273.15) parts[i].temp = -256.0+273.15; - gravmap[y/CELL][x/CELL] = 0.2f*(parts[i].temp-273.15); + gravmap[(y/CELL)*(XRES/CELL)+(x/CELL)] = 0.2f*(parts[i].temp-273.15); if (y+CELL<YRES && pv[y/CELL+1][x/CELL]<(parts[i].temp-273.15)) - gravmap[y/CELL+1][x/CELL] += 0.1f*((parts[i].temp-273.15)-gravmap[y/CELL+1][x/CELL]); + gravmap[(y/CELL+1)*(XRES/CELL)+(x/CELL)] += 0.1f*((parts[i].temp-273.15)-gravmap[(y/CELL+1)*(XRES/CELL)+(x/CELL)]); for (rx=-2; rx<3; rx++) for (ry=-2; ry<3; ry++) if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry)) |