Frozen objects can be used to create a variety of effects such as Pressure Pads.Objects that are Frozen remain static until clicked or touched by another non-frozen object.. - see examples below. In Sketchyphysics2, some people used these as primitive touch sensors.
Static |
Frozen |
Ignore |
Static Mesh |
NoCollision |
ShowCollision |
No Auto Freeze |
Magnetic |
A Non-Frozen object touching a Frozen one. | A Frozen object attached to a Motor Joint. |