initial commit

Assets/Scripts/MercuryAtmosphereSystem.cs

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+using UnityEngine;
+
+[ExecuteAlways]
+public class MercuryAtmosphereSystem : MonoBehaviour
+{
+    public float mercuryRadiusUnits = 2.4395f;
+    public float heightMultiplier = 8f;
+
+    void OnEnable()
+    {
+        if (!Application.isPlaying && transform.childCount == 0)
+            BuildLayers();
+    }
+
+    [ContextMenu("Ïåðåáóäóâàòè øàðè")]
+    public void BuildLayers()
+    {
+        for (int i = transform.childCount - 1; i >= 0; i--)
+        {
+            Transform child = transform.GetChild(i);
+            if (child.name.StartsWith("Layer_"))
+            {
+                if (Application.isPlaying) Destroy(child.gameObject);
+                else DestroyImmediate(child.gameObject);
+            }
+        }
+
+        CreateLayer();
+    }
+
+    void CreateLayer()
+    {
+        float radiusUnits = mercuryRadiusUnits + (2000f / 1000f) * heightMultiplier;
+
+        GameObject obj = GameObject.CreatePrimitive(PrimitiveType.Sphere);
+        obj.name = "Layer_Exosphere";
+        obj.transform.parent = this.transform;
+        obj.transform.localPosition = Vector3.zero;
+        obj.transform.localScale = Vector3.one * radiusUnits * 2f;
+
+        if (Application.isPlaying) Destroy(obj.GetComponent<Collider>());
+        else DestroyImmediate(obj.GetComponent<Collider>());
+
+        Material mat = new Material(Shader.Find("Custom/AtmosphereLayer"));
+        mat.SetColor("_RimColor", new Color(1f, 0.75f, 0.2f));
+        mat.SetColor("_CoreColor", new Color(0.8f, 0.4f, 0.0f));
+        mat.SetFloat("_RimPower", 1.8f);
+        mat.SetFloat("_RimIntensity", 4f);
+        mat.SetFloat("_CoreIntensity", 0.8f);
+        mat.SetFloat("_PulseSpeed", 0.5f);
+        mat.SetFloat("_PulseStrength", 0.3f);
+
+        obj.GetComponent<Renderer>().material = mat;
+    }
+
+    public void SetIntensity(float level)
+    {
+        Transform layer = transform.Find("Layer_Exosphere");
+        if (layer == null) return;
+
+        Renderer r = layer.GetComponent<Renderer>();
+        if (r == null) return;
+
+        r.material.SetFloat("_RimIntensity", Mathf.Lerp(0f, 4f, level));
+        r.material.SetFloat("_CoreIntensity", Mathf.Lerp(0f, 0.8f, level));
+    }
+}