public JObject B2n(b2Body body)
{
JObject bodyValue = new JObject();
string bodyName = GetBodyName(body);
if (null != bodyName)
bodyValue["name"] = bodyName;
switch (body.BodyType)
{
case b2BodyType.b2_staticBody:
bodyValue["type"] = 0;
break;
case b2BodyType.b2_kinematicBody:
bodyValue["type"] = 1;
break;
case b2BodyType.b2_dynamicBody:
bodyValue["type"] = 2;
break;
}
VecToJson("position", body.Position, bodyValue);
FloatToJson("angle", body.Angle, bodyValue);
VecToJson("linearVelocity", body.LinearVelocity, bodyValue);
FloatToJson("angularVelocity", body.AngularVelocity, bodyValue);
if (body.LinearDamping != 0)
FloatToJson("linearDamping", body.LinearDamping, bodyValue);
if (body.AngularDamping != 0)
FloatToJson("angularDamping", body.AngularDamping, bodyValue);
if (body.GravityScale != 1)
FloatToJson("gravityScale", body.GravityScale, bodyValue);
if (body.IsBullet())
bodyValue["bullet"] = true;
if (!body.IsSleepingAllowed())
bodyValue["allowSleep"] = false;
if (body.IsAwake())
bodyValue["awake"] = true;
if (!body.IsActive())
bodyValue["active"] = false;
if (body.IsFixedRotation())
bodyValue["fixedRotation"] = true;
b2MassData massData = new b2MassData();
massData = body.GetMassData();
if (massData.mass != 0)
FloatToJson("massData-mass", massData.mass, bodyValue);
if (massData.center.x != 0 || massData.center.y != 0)
VecToJson("massData-center", body.LocalCenter, bodyValue);
if (massData.I != 0)
{
FloatToJson("massData-I", massData.I, bodyValue);
}
//int i = 0;
JArray arr = new JArray();
b2Body tmp = body;
while (tmp != null)
{
bodyValue.Add("fixture", B2n(tmp));
tmp = body.Next;
}
bodyValue["fixture"] = arr;
JArray customPropertyValue = WriteCustomPropertiesToJson(body);
if (customPropertyValue.Count > 0)
bodyValue["customProperties"] = customPropertyValue;
return bodyValue;
}