glTF.OMI_physics_body.material.schema.json

{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "glTF.OMI_physics_body.material.schema.json",
    "title": "OMI_physics_body Physics Material",
    "type": "object",
    "description": "Parameters describing the physical properties of a surface in a physics simulation.",
    "allOf": [ { "$ref": "glTFChildOfRootProperty.schema.json" } ],
    "properties": {
        "staticFriction": {
            "type": "number",
            "description": "The friction used when an object is laying still on a surface. Usually a value from 0 to 1. A value of 0 feels like ice, a value of 1 will make it very hard to get the object moving. Simulations which do not differentiate between static and dynamic friction should use the dynamic friction value.",
            "minimum": 0.0,
            "default": 0.6
        },
        "dynamicFriction": {
            "type": "number",
            "description": "The friction used when already moving. Usually a value from 0 to 1. A value of 0 feels like ice, a value of 1 will make it come to rest very quickly unless a lot of force or gravity pushes the object.",
            "minimum": 0.0,
            "default": 0.6
        },
        "restitution": {
            "type": "number",
            "description": "How bouncy is the surface? A value of 0 will not bounce. A value of 1 will bounce without any loss of energy.",
            "minimum": 0.0,
            "default": 0.0
        },
        "frictionCombine": {
            "type": "string",
            "description": "Determines how friction should be combined when two objects interact.",
            "enum": ["average", "minimum", "maximum", "multiply"]
        },
        "restitutionCombine": {
            "type": "string",
            "description": "Determines how restitution should be combined when two objects interact.",
            "enum": ["average", "minimum", "maximum", "multiply"]
        },
        "extensions": { },
        "extras": { }
    }
}