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I put a tow hitch on the pigeon, but it spawns behind the pigeon

Discussion in 'Troubleshooting: Bugs, Questions and Support' started by 147689, Feb 16, 2016.

  1. 147689

    147689
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    Joined:
    Jun 10, 2014
    Messages:
    378
    Ok, I have modified the pigeon and added a tow hitch, but the tow hitch spawn lookin like its not attached to the pigeon, and when I drive forward, the hitch stretches
    screenshot_00968.png
    screenshot_00969.png
    The files I have for the hitch to work are pigeon.jbeam and pigeon_towhitch.jbeam
    Code:
    {
    "pigeon_towhitch": {
        "information":{
            "authors":"BeamNG",
            "name":"Tow Hitch",
            "value":70,
        }
        "slotType" : "pigeon_towhitch",
        "flexbodies": [
             ["mesh", "[group]:", "nonFlexMaterials"],
             ["towhitch", ["pigeon_frame","pigeon_towhitch"],[],{"pos":{"x":0.0, "y":0.0, "z":0.0}}],
        ],
        "slots": [
            ["type", "default", "description"]
            ["trailer_small","","Small Trailer"],
        ],
        "nodes": [
             ["id", "posX", "posY", "posZ"],
             {"collision":true}
             {"frictionCoef":0.5},
             {"selfCollision":true}
             //--TOW HITCH--
             {"nodeMaterial":"|NM_METAL"},
             {"group":"pigeon_towhitch"}
             {"nodeWeight":5},
             ["tw", 0.0, 2.76, 0.58,{"magnet":"true"}],
             ["tw2", 0.0, 2.76, 0.49,{"magnet":"true"}],
             {"group":""}
        ],
    
        "ties":[
            ["id1:", "maxLen", "rate", "short", "long", "group", "maxforce"],
            ["tw", 0.75, 1, 1, 1, "pigeon_towhitch", 10000000],
        ],
    
        "beams": [
              ["id1:", "id2:"],
              {"beamPrecompression":1, "beamType":"|NORMAL", "beamLongBound":1.0, "beamShortBound":1.0},
              //--TOW HITCH--
              {"beamSpring":1344840,"beamDamp":195},
              {"beamDeform":129000,"beamStrength":890000},
              ["tw","fr19r"],
              ["tw","fr19"],
              ["tw","fr19l"],
              ["tw","fr20r"],
              ["tw","fr20"],
              ["tw","fr20l"],
    
              ["tw2","fr19r"],
              ["tw2","fr19"],
              ["tw2","fr19l"],
              ["tw2","fr20r"],
              ["tw2","fr20"],
              ["tw2","fr20l"],
    
              ["tw","tw2"],
    
        ],
        "triangles": [
                ["id1:","id2:","id3:"],
                //towhitch
                {"group":"pigeon_towhitch"},
                {"group":""},
    
        ],
    }
    }
    Would anyone know why its looking like its not attached to the pigeon and how I could fix that?
     
  2. Nadeox1

    Nadeox1
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    Spinning Cube
    BeamNG Team

    Joined:
    Aug 5, 2012
    Messages:
    14,654
    Because you have to adjust the offset.

    Code:
             ["towhitch", ["pigeon_frame","pigeon_towhitch"],[],{"pos":{"x":0.0, "y":0.0, "z":0.0}}],
     
  3. ThreeDTech21

    ThreeDTech21
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    Joined:
    Sep 27, 2013
    Messages:
    1,603
    also make sure the tow hitch has a location of zero and the origin must be located in the center of your 3D program.
     
  4. Nadeox1

    Nadeox1
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    Spinning Cube
    BeamNG Team

    Joined:
    Aug 5, 2012
    Messages:
    14,654
    The tow hitch is a shared mesh, so zero origin doesn't count as the author didn't not add it to the pigeon mesh files.
    That's why we got that offset thing now.
     
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