HFFWS Framework for Pulley Puzzle Generator

Pulley Puzzle

Thesis

- Basic setup
- Objects attached to both ends of a rope
- Rope hangs over something

- Setting Up First Basic Instance
- Ropes
- these are very touchy in HFF
- they usually use a setup where there is a start and end transform position, and several
rope segments get instantiated between these two points to produce a "soft body" object
- need to make sure neither of these points is deeply within another rigid body object,
or physical interacting object as this can lead to a constant state of colliding
- constant colliding causes the rope system to act erratically on its own
- Attaching a Physics object to both ends of a rope
- the original rope objects use a physics object at one end, and a fully fixed positional
object at the other end
- we need both ends to use a physics object
- This is done by:
- Making sure both objects are rigid body objects
- In the Rope script:
- Make sure to assign "Start Body" as one object, and "End Body" as the
other object
- Using "Copy_YellowMetalMechMediumCradledPlatform2" as other physics object
- this prefab initially has a hinge joint attached to it
- there is something about this that fixes the entire platform in place
- removing this allowed it to work as intended
- I dragged the reference of this main object in as the "Connected Body" for the Fixed Joint
component on the RopeStart gameObject in the pulley setup
- Issues
- I was using "Copy_YellowMetalMechSmallWinchSpool1" as the central wheel for the pulley setup, but sometimes the rope would break through it
- Appeared that such massive objects can cause the rope to clip through this sometimes
- I alleviated this by having the rope go over two winch spools (similar to the setup found
in the Demolition level)
- this also broke through one of them eventually while I was increasing the mass of the ball in Play mode to see if I could raise the platform

- Constructing "Create Pulley" script
- Needs:
- Rope
- Physics object at each end
- Total: 2
- Pulley wheel object
- Total: >= 1
- Parameters (words)
- Rope
- Length
- Start Point
- End point
- Physics objects attached
- Type of objects
- Mass
- Start point
- End point
- Wheels
- Quantity
- Position
- Important Relationships:
- Wheel(s) must start below the rope
- Must be on a similar plane, but lower on Y position
- End position must be "length" away from start position
- Length = End Position - Start Position
- This can be done with using Random.OnUnitSphere to pick a random
direction in 3D space

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