Differences

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--- physics [2020/05/24 13:25] – [Callbacks] admin
+++ physics [2020/05/24 13:29] – [Remote-Control] admin
@@ Line 210: / Line 210: @@
 procedure TUIMainWin.doOnBeginContact(const ABodyA, ABodyB : TQ3Body);
 begin
+    if not Assigned(ABodyA.UserDataType) then
+      Exit;
+    if not Assigned(ABodyB.UserDataType) then
+      Exit;
     if TComponent(ABodyA.UserData).Name.Equals('Cube1') and TComponent(ABodyB.UserData).Name.Equals('Sphere2') then
     begin
       FMX.Types.Log.D('expected collision between %s <=> %s',
         [TComponent(ABodyA.UserData).Name, TComponent(ABodyB.UserData).Name]);
+    end
+    else
+    begin
+      FMX.Types.Log.D('<ERROR> unexpected collision between %s <=> %s',
+        [ABodyA.UserDataType^.Name, ABodyB.UserDataType^.Name]);
     end;
  end;
@@ Line 227: / Line 237: @@
   * RemoteBodyForce
-By this methods you're able to set a position or rotation explicitly or to apply a force / impulse on a specific element.
+<file pascal>
+// move cube upwards by impulse
+GorillaPhysicsSystem1.RemoteBodyImpulse(GorillaCube1, Point3D(0, -1, 0));
+</file>
+By the methods above you're able to set a position and/or rotation explicitly, or to apply a force / impulse on a specific element.
 **__CAUTION:__ By this methods you can influence physical mechanics so heavily, that overstep bounds / limits, which may lead to unexpected behaviour.**
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