matthew/The-Powder-Toy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove squares.h, since it doesn't seem to give any speed advantage over sqrtf

Browse Source
This commit is contained in:
jacksonmj 2012-03-26 16:09:30 +01:00
parent 156d50d903
commit 2c3a2e2519
2 changed files with 2 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
includes/squares.h
View File

File diff suppressed because one or more lines are too long

5
src/powder.c
View File

@ -1,7 +1,6 @@
#include <stdint.h> #include <stdint.h>
#include <math.h> #include <math.h>
#include <defines.h> #include <defines.h>
#include <squares.h>
#include <powder.h> #include <powder.h>
#include <air.h> #include <air.h>
#include <misc.h> #include <misc.h>
@ -1813,8 +1812,8 @@ void update_particles_i(pixel *vid, int start, int inc)
{ {
#ifdef REALISTIC #ifdef REALISTIC
//The magic number controlls diffusion speed //The magic number controlls diffusion speed
parts[i].vx += 0.05*squares[(unsigned int)round(parts[i].temp)]*ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f); parts[i].vx += 0.05f*sqrtf(parts[i].temp)*ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += 0.05*squares[(unsigned int)round(parts[i].temp)]*ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f); parts[i].vy += 0.05f*sqrtf(parts[i].temp)*ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
#else #else
parts[i].vx += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f); parts[i].vx += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f); parts[i].vy += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);