Merge pull request phaserjs#5242 from samme/fix/collide-with-friction

Fix collisions for objects moved by friction

Author: photonstorm

src/physics/arcade/SeparateX.js

@@ -64,6 +64,7 @@ var SeparateX = function (body1, body2, overlapOnly, bias)
         if (body2.moves)
         {
             body1.y += (body2.y - body2.prev.y) * body2.friction.y;
+            body1._dy = body1.y - body1.prev.y;
         }
     }
     else
@@ -75,6 +76,7 @@ var SeparateX = function (body1, body2, overlapOnly, bias)
         if (body1.moves)
         {
             body2.y += (body1.y - body1.prev.y) * body1.friction.y;
+            body2._dy = body2.y - body2.prev.y;
         }
     }
 

src/physics/arcade/SeparateY.js

@@ -64,6 +64,7 @@ var SeparateY = function (body1, body2, overlapOnly, bias)
         if (body2.moves)
         {
             body1.x += (body2.x - body2.prev.x) * body2.friction.x;
+            body1._dx = body1.x - body1.prev.x;
         }
     }
     else
@@ -75,6 +76,7 @@ var SeparateY = function (body1, body2, overlapOnly, bias)
         if (body1.moves)
         {
             body2.x += (body1.x - body1.prev.x) * body1.friction.x;
+            body2._dx = body2.x - body2.prev.x;
         }
     }