From Mathematical Surfaces

Assets/Script/Graph.cs

@@ -0,0 +1,48 @@
+using UnityEngine;
+
+public class Graph : MonoBehaviour
+{
+    [SerializeField]
+    Transform pointPrefab = default;
+
+    [SerializeField, Range(10, 100)]
+    int resolution = 10;
+
+    [SerializeField]
+    FunctionLibrary.FunctionName function = default;
+
+    Transform[] points;
+
+    private void Awake()
+    {
+        var step = 2f / resolution;
+        var scale = Vector3.one * step;
+        points = new Transform[resolution * resolution];
+        for (int i = 0; i < points.Length; i++)
+        {
+            Transform point = Instantiate(pointPrefab);
+            point.localScale = scale;
+            point.SetParent(transform, false);
+            points[i] = point;
+        }
+    }
+
+    private void Update()
+    {
+        FunctionLibrary.Function f = FunctionLibrary.GetFunction(function);
+        var time = Time.time;
+        var step = 2.0f / resolution;
+        var v = 0.5f * step - 1f;
+        for (int i = 0, x = 0, z = 0; i < points.Length; i++, x++)
+        {
+            if (x == resolution)
+            {
+                x = 0;
+                z += 1;
+                v = (z + 0.5f) * step - 1f;
+            }
+            float u = (x + 0.5f) * step - 1f;
+            points[i].localPosition = f(u, v, time);
+        }
+    }
+}