3 files changed, 7 insertions, 1 deletions
diff --git a/src/engine/main.cpp b/src/engine/main.cpp
index c7a88cf..40ef42a 100644
--- a/src/engine/main.cpp
+++ b/src/engine/main.cpp
@@ -6,6 +6,8 @@
 #include "SDL_syswm.h"
 #endif
 
+float speedmodifier = 0.0f;
+
 extern void cleargamma();
 
 void cleanup()
diff --git a/src/engine/physics.cpp b/src/engine/physics.cpp
index 4a30130..4c23739 100644
--- a/src/engine/physics.cpp
+++ b/src/engine/physics.cpp
@@ -1631,7 +1631,10 @@ void modifyvelocity(physent *pl, bool local, bool water, bool floating, int curt
     }
 
     vec d(m);
-    d.mul(pl->maxspeed);
+    speedmodifier*=(pl->physstate!=PHYS_FLOOR)*(speedmodifier>0);
+    speedmodifier=(speedmodifier>100.0f)?100.0f:speedmodifier;
+    d.mul(pl->maxspeed + speedmodifier);
+
     if(pl->type==ENT_PLAYER)
     {
         if(floating)
diff --git a/src/engine/rendergl.cpp b/src/engine/rendergl.cpp
index 9b7c35f..f6d19b9 100644
--- a/src/engine/rendergl.cpp
+++ b/src/engine/rendergl.cpp
@@ -815,6 +815,7 @@ void mousemove(int dx, int dy)
         player->yaw = camera1->yaw;
         player->pitch = camera1->pitch;
     }
+    speedmodifier += abs(dx)-abs(dy);
 }
 
 void recomputecamera()