Initial commit

Assets/scripts/perlinNoise.cs

@@ -0,0 +1,55 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class perlinNoise : MonoBehaviour
+{
+    public int seed = 0;
+    private float offsetX = 0;
+    private float offsetY = 0;
+    
+    private float offsetX1 = 0;
+    private float offsetY1 = 0;
+    
+    private float offsetX2 = 0;
+    private float offsetY2 = 0;
+    // Start is called before the first frame update
+    void Start()
+    {
+
+        if(seed == -1) { seed = (int) (Random.value * 1000000000); }
+        Debug.Log(seed);
+
+        Random.InitState(seed);
+        
+        offsetX = Random.value;
+        offsetY = Random.value;
+        
+        offsetX1 = Random.value;
+        offsetY1 = Random.value;
+
+        offsetX2 = Random.value;
+        offsetY2 = Random.value;
+        
+    }
+    
+    public float getNoise(float x, float y, int size)
+    {
+        float density = size / 32;
+        //Debug.Log(size);
+        //Debug.Log(density);
+        //Debug.Log(x + " " + y);
+        x *= density;
+        y *= density;
+
+        float val1 = Mathf.PerlinNoise(x + offsetX, y + offsetY);
+        float val2 = Mathf.PerlinNoise(x*2 + offsetX1, y*2 + offsetY1);
+        float val3 = Mathf.PerlinNoise(x*8 + offsetX2, y*8 + offsetY2);
+        
+
+        float res = val1*0.7f+val2*0.4f+val3*0.3f;
+
+        return res;
+    }
+    
+}