Add some particle interaction.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index b311465..07bde47 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -2190,6 +2190,11 @@ int Simulation::try_move(int i, int x, int y, int nx, int ny)
         if(parts[i].sld && r && parts[i].sld == parts[r>>8].sld)
             return 1;
 
+        if(!e && r && parts[r>>8].sld) {
+            parts[r>>8].vx += parts[i].vx;
+            parts[r>>8].vy += parts[i].vy;
+        }
+
 	/* half-silvered mirror */
 	if (!e && parts[i].type==PT_PHOT &&
 	        (((r&0xFF)==PT_BMTL && rand()<RAND_MAX/2) ||