diff -r 13b6ebc53627 -r fcba7d7aea0d hedgewars/uCollisions.pas
--- a/hedgewars/uCollisions.pas	Wed May 02 21:37:08 2007 +0000
+++ b/hedgewars/uCollisions.pas	Fri May 04 19:59:51 2007 +0000
@@ -103,7 +103,19 @@
 
 function TestCollisionXwithGear(Gear: PGear; Dir: LongInt): boolean;
 var x, y, i: LongInt;
+    TestWord: LongWord;
 begin
+if Gear^.IntersectGear <> nil then
+   with Gear^ do
+        if (hwRound(IntersectGear^.X) + IntersectGear^.Radius < hwRound(X) - Radius) or
+           (hwRound(IntersectGear^.X) - IntersectGear^.Radius > hwRound(X) + Radius) then
+           begin
+           IntersectGear:= nil;
+           TestWord:= 0
+           end else    
+           TestWord:= COLOR_LAND - 1
+   else TestWord:= 0;
+   
 x:= hwRound(Gear^.X);
 if Dir < 0 then x:= x - Gear^.Radius
            else x:= x + Gear^.Radius;
@@ -113,13 +125,44 @@
    i:= y + Gear^.Radius * 2 - 2;
    repeat
      if (y and $FFFFFC00) = 0 then
-        if Land[y, x] <> 0 then exit(true);
+        if Land[y, x] > TestWord then exit(true);
      inc(y)
    until (y > i);
    end;
 TestCollisionXwithGear:= false
 end;
 
+function TestCollisionYwithGear(Gear: PGear; Dir: LongInt): boolean;
+var x, y, i: LongInt;
+    TestWord: LongWord;
+begin
+if Gear^.IntersectGear <> nil then
+   with Gear^ do
+        if (hwRound(IntersectGear^.Y) + IntersectGear^.Radius < hwRound(Y) - Radius) or
+           (hwRound(IntersectGear^.Y) - IntersectGear^.Radius > hwRound(Y) + Radius) then
+           begin
+           IntersectGear:= nil;
+           TestWord:= 0
+           end else    
+           TestWord:= COLOR_LAND - 1
+   else TestWord:= 0;
+
+y:= hwRound(Gear^.Y);
+if Dir < 0 then y:= y - Gear^.Radius
+           else y:= y + Gear^.Radius;
+if (y and $FFFFFC00) = 0 then
+   begin
+   x:= hwRound(Gear^.X) - Gear^.Radius + 1;
+   i:= x + Gear^.Radius * 2 - 2;
+   repeat
+     if (x and $FFFFF800) = 0 then
+        if Land[y, x] > TestWord then exit(true);
+     inc(x)
+   until (x > i);
+   end;
+TestCollisionYwithGear:= false
+end;
+
 function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): boolean;
 begin
 Gear^.X:= Gear^.X + ShiftX;
@@ -129,25 +172,6 @@
 Gear^.Y:= Gear^.Y - int2hwFloat(ShiftY)
 end;
 
-function TestCollisionYwithGear(Gear: PGear; Dir: LongInt): boolean;
-var x, y, i: LongInt;
-begin
-y:= hwRound(Gear^.Y);
-if Dir < 0 then y:= y - Gear^.Radius
-           else y:= y + Gear^.Radius;
-if (y and $FFFFFC00) = 0 then
-   begin
-   x:= hwRound(Gear^.X) - Gear^.Radius + 1;
-   i:= x + Gear^.Radius * 2 - 2;
-   repeat
-     if (x and $FFFFF800) = 0 then
-        if Land[y, x] <> 0 then exit(true);
-     inc(x)
-   until (x > i);
-   end;
-TestCollisionYwithGear:= false
-end;
-
 function TestCollisionY(Gear: PGear; Dir: LongInt): boolean;
 var x, y, i: LongInt;
 begin