diff options
Diffstat (limited to 'src/simulation/Simulation.cpp')
| -rw-r--r-- | src/simulation/Simulation.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp index 9a347e8..9117fd0 100644 --- a/src/simulation/Simulation.cpp +++ b/src/simulation/Simulation.cpp @@ -2875,6 +2875,28 @@ int Simulation::create_part(int p, int x, int y, int tv)//the function for creat return i; } +void Simulation::GetGravityField(int x, int y, float particleGrav, float newtonGrav, float & pGravX, float & pGravY) +{ + pGravX = newtonGrav*gravx[(y/CELL)*(XRES/CELL)+(x/CELL)]; + pGravY = newtonGrav*gravy[(y/CELL)*(XRES/CELL)+(x/CELL)]; + switch (gravityMode) + { + default: + case 0: //normal, vertical gravity + pGravY += particleGrav; + break; + case 1: //no gravity + break; + case 2: //radial gravity + if (x-XCNTR != 0 || y-YCNTR != 0) + { + float pGravMult = particleGrav/sqrtf((x-XCNTR)*(x-XCNTR) + (y-YCNTR)*(y-YCNTR)); + pGravX -= pGravMult * (float)(x - XCNTR); + pGravY -= pGravMult * (float)(y - YCNTR); + } + } +} + void Simulation::create_gain_photon(int pp)//photons from PHOT going through GLOW { float xx, yy; |