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Assets/script/Atom.cs

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+[System.Serializable]
+public class Atom
+{
+    // nom de l'atom
+    public string element;
+
+    // coordonée XYZ
+    public float[] geometry;
+}

Assets/script/Atom.cs.meta

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Assets/script/Bond.cs

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+[System.Serializable]
+public class Bond
+{
+    // numéro des atome lier
+    public int[] atoms;
+
+    // nombre de liaison
+    public int order;
+}

Assets/script/Bond.cs.meta

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Assets/script/Molecul.json

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+{
+    "molecules":[
+        {
+            "name": "Dioxygène",
+            "formula": "O2",
+            "atoms": [
+                {
+                    "element": "O",
+                    "geometry": [0.0, 0.0, 0.0]
+                },
+                {
+                    "element": "O",
+                    "geometry": [1.2, 0.0, 0.0]
+                }
+            ],
+            "bonds": [
+                {"atoms": [0, 1], "order": 2}
+            ],
+            "properties": {
+                "molecularMass": 32.0,
+                "meltingPoint": -218.8,
+                "boilingPoint": -183.0
+            }
+        },
+        {
+            "name": "Ozone",
+            "formula": "O3",
+            "atoms": [
+                {"element": "O", "geometry": [0.0, 0.0, 0.0]},
+                {"element": "O", "geometry": [0.7, 0.0, 0.0]},
+                {"element": "O", "geometry": [1.4, 0.0, 0.0]}
+            ],
+            "bonds": [
+                {"atoms": [0, 1], "order": 1},
+                {"atoms": [1, 2], "order": 1}
+            ],
+            "properties": {
+                "molecularMass": 47.9982,
+                "meltingPoint": -192.5,
+                "boilingPoint": -110.0
+            }
+        },
+        {
+            "name": "Dioxyde de carbone",
+            "formula": "CO2",
+            "atoms": [
+                {"element": "C", "geometry": [0.0, 0.0, 0.0]},
+                {"element": "O", "geometry": [1.2, 0.0, 0.0]},
+                {"element": "O", "geometry": [-1.2, 0.0, 0.0]}
+            ],
+            "bonds": [
+                {"atoms": [0, 1], "order": 2},
+                {"atoms": [0, 2], "order": 2}
+            ],
+            "properties": {
+                "molecularMass": 44.0095,
+                "meltingPoint": -56.6,
+                "boilingPoint": -78.5
+            }
+        },
+        {
+            "name": "Butane",
+            "formula": "C4H10",
+            "atoms": [
+                {"element": "C", "geometry": [0.0, 0.0, 0.0]},
+                {"element": "C", "geometry": [1.5, 0.0, 0.0]},
+                {"element": "C", "geometry": [3.0, 0.0, 0.0]},
+                {"element": "C", "geometry": [4.5, 0.0, 0.0]},
+                {"element": "H", "geometry": [0.0, 1.5, 0.0]},
+                {"element": "H", "geometry": [0.0, -1.5, 0.0]},
+                {"element": "H", "geometry": [1.5, 1.5, 0.0]},
+                {"element": "H", "geometry": [1.5, -1.5, 0.0]},
+                {"element": "H", "geometry": [3.0, 1.5, 0.0]},
+                {"element": "H", "geometry": [3.0, -1.5, 0.0]},
+                {"element": "H", "geometry": [4.5, 1.5, 0.0]},
+                {"element": "H", "geometry": [4.5, -1.5, 0.0]}
+            ],
+            "bonds": [
+                {"atoms": [0, 1], "order": 1},
+                {"atoms": [1, 2], "order": 1},
+                {"atoms": [2, 3], "order": 1},
+                {"atoms": [0, 4], "order": 1},
+                {"atoms": [0, 5], "order": 1},
+                {"atoms": [1, 6], "order": 1},
+                {"atoms": [1, 7], "order": 1},
+                {"atoms": [2, 8], "order": 1},
+                {"atoms": [2, 9], "order": 1},
+                {"atoms": [3, 10], "order": 1},
+                {"atoms": [3, 11], "order": 1}
+            ],
+            "properties": {
+                "molecularMass": 58.1222,
+                "meltingPoint": -138.3,
+                "boilingPoint": -0.5
+            }
+        }
+    ]
+}

Assets/script/Molecul.json.meta

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Assets/script/MoleculeFactory.cs

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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+
+public class MoleculeFactory : MonoBehaviour{
+
+    public TextAsset jsonFile;
+
+    private static MoleculeFactory instance;
+
+    private Molecules moleculesInJson;
+
+    private Dictionary<string, Molecule>  moleculesDictionary; 
+
+    public MoleculeFactory(TextAsset jsonFile){
+        MoleculeFactory.instance = this;
+        moleculesDictionary = new Dictionary<string, Molecule>();
+        moleculesInJson = JsonUtility.FromJson<Molecules>(jsonFile.text);
+        foreach (var molecule in moleculesInJson.molecules){
+            moleculesDictionary.Add(molecule.formula, molecule);
+        }
+    }
+
+    public static MoleculeFactory getInstrance(){
+        if(MoleculeFactory.instance == null){
+            Debug.LogError("no Json file");
+        }
+        return MoleculeFactory.instance;
+    }
+
+        public static MoleculeFactory getInstrance(TextAsset jsonFile){
+        if(MoleculeFactory.instance == null){
+            MoleculeFactory.instance = new MoleculeFactory(jsonFile);
+        }
+        return MoleculeFactory.instance;
+    }
+
+    public GameObject createMolecule (string formula){
+        if(!moleculesDictionary.ContainsKey(formula)){
+            Debug.LogError("molecules does not existe in json");
+        }
+        Molecule molecule = moleculesDictionary[formula];
+        GameObject sortie = new GameObject(molecule.name);
+        
+        foreach (Atom atom in molecule.atoms) {
+            GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
+            sphere.transform.parent = sortie.transform;
+            sphere.name = atom.element;
+            sphere.transform.localPosition = new Vector3(atom.geometry[0], atom.geometry[1], atom.geometry[2]);
+            //TODO: géré les laision
+            //TODO: géré la taille de l'atome
+            //TODO: géré la couleur de l'atome
+        }
+        return sortie;
+    }
+
+}

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Assets/script/Molecules.cs

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+using System.Collections.Generic;
+using System;
+[System.Serializable]
+public class Molecule
+{
+    // nom molécules
+    public string name;
+
+    // formule melécule
+    public string formula;
+
+    // liste des atoms
+    public Atom[] atoms;
+
+    // liste des liason entre les atoms
+    public Bond[] bonds;
+
+    // prorpiété de la molécule
+    public Properties properties;
+}
+
+[System.Serializable]
+public class Molecules
+{
+    // liste des liason entre les atoms
+    public Molecule[] molecules;
+}

Assets/script/Molecules.cs.meta

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Assets/script/Properties.cs

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+[System.Serializable]
+public class Properties
+{
+    // masse en g/mol
+    public float molecularMass;
+    // température de fusion (solid->liquide)
+    public float meltingPoint;
+    // température d'évaporation (liquide-> gaz)
+    public float boilingPoint;
+}

Assets/script/Properties.cs.meta

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Assets/script/ReadMolecule.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ReadMolecule : MonoBehaviour
+{
+    public TextAsset jsonFile;
+
+    void Start(){
+        Molecules moleculesInJson = JsonUtility.FromJson<Molecules>(jsonFile.text);
+
+        int molNum = 0;
+        int dist = 5;
+        foreach (Molecule molecule in moleculesInJson.molecules){
+
+            GameObject moleculeObj = new GameObject(molecule.name);
+
+            foreach (Atom atom in molecule.atoms){
+                GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
+                sphere.transform.parent = moleculeObj.transform;
+                sphere.name = atom.element;
+                sphere.transform.localPosition = new Vector3(atom.geometry[0], atom.geometry[1], atom.geometry[2]);
+            }
+            moleculeObj.transform.position = new Vector3(molNum*dist,0,0);
+            molNum++;
+        }
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}

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