3 files changed, 123 insertions, 36 deletions
diff --git a/Assets/Scripts/Graph.cs b/Assets/Scripts/Graph.cs
index 1486990..760d4c8 100644
--- a/Assets/Scripts/Graph.cs
+++ b/Assets/Scripts/Graph.cs
@@ -2,44 +2,63 @@ using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
+
 public class Graph : MonoBehaviour
 {
-    [SerializeField]
-    Transform pointPrefab;
-
-    [SerializeField, Range(10, 100)]
-    int resolution = 10;
-
-    Transform[] points;
-
-    void Awake() {
-        points = new Transform[resolution];
-        float step = 8f / points.Length;
-        for(int i = 0; i < points.Length; i++) {
-            Transform point = Instantiate(pointPrefab);
-            points[i] = point;
-            Vector3 position = pointPrefab.localPosition;
-            point.SetParent(transform, false);
-            position.x = (i + 0.5f) * step - 4f;
+	[SerializeField]
+	Transform pointPrefab;
+
+	[SerializeField, Range(10, 200)]
+	int resolution = 100;
+
+	[SerializeField, Range(0.1f, 2f)]
+	float size = 0.3f;
+
+	[SerializeField, Range(0, 2)]
+	int function = 1;
+
+	Transform[] points;
+
+	void Awake() {
+		points = new Transform[resolution];
+		float step = 8f / points.Length;
+		for(int i = 0; i < points.Length; i++) {
+			Transform point = Instantiate(pointPrefab);
+			points[i] = point;
+			Vector3 position = pointPrefab.localPosition;
+			point.SetParent(transform, false);
+			position.x = (i + 0.5f) * step - 4f;
 			point.localPosition = position;
-        }
-    }
-
-    // Start is called before the first frame update
-    void Start()
-    {
-        
-    }
-
-    // Update is called once per frame
-    void Update()
-    {
+			point.localScale *= size;
+		}
+	}
+
+	// Start is called before the first frame update
+	void Start()
+	{
+
+	}
+
+	// Update is called once per frame
+	void Update()
+	{
 		float time = Time.time;
-        for(int i = 0; i < points.Length; i++) {
-            Transform point = points[i];
-            Vector3 position = point.localPosition;
-            position.y = Mathf.Sin(Mathf.PI * (position.x + time));// * position.x * position.x;
-            point.localPosition = position;
-        }
-    }
+		for(int i = 0; i < points.Length; i++) {
+			Transform point = points[i];
+			Vector3 position = point.localPosition;
+			if(function == 0)
+			{
+				position.y = MathFunctionLibrary.Wave(position.x, time);
+			}
+			else if(function == 1)
+			{
+				position.y = MathFunctionLibrary.MultiWave(position.x, time);
+			}
+			else if(function == 2)
+			{
+				position.y = MathFunctionLibrary.Ripple(position.x, time);
+			}
+			point.localPosition = position;
+		}
+	}
 }
diff --git a/Assets/Scripts/MathFunctionLibrary.cs b/Assets/Scripts/MathFunctionLibrary.cs
new file mode 100644
index 0000000..d83b673
--- /dev/null
+++ b/Assets/Scripts/MathFunctionLibrary.cs
@@ -0,0 +1,57 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+using static UnityEngine.Mathf;
+
+public static class MathFunctionLibrary 
+{
+	public delegate float Function(float x, float t);
+
+	public static float GetFunction(float x, float t)
+	{
+		if(index == 0)
+		{
+			return Wave;
+		}
+		else if(index == 1)
+		{
+			return MultiWave;
+		}
+		else //if(index == 2)
+		{
+			return Ripple;
+		}
+	}
+
+	public static float Wave(float x, float t)
+	{
+		return Sin(PI * (x + t));
+	}
+
+	public static float MultiWave(float x, float t)
+	{
+		float y = MathFunctionLibrary.Wave(x, t * 0.5f);
+		y += Sin(2f * PI * (x + t)) * 0.5f;
+		return y * (2f / 3f);
+	}
+
+	public static float Ripple(float x, float t) {
+		float d = Abs(x);
+		float y = Sin(PI * (4f * d - (2f * t)));
+		return y / (1f + 10f * d);
+	}
+	/*
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+	*/
+}
diff --git a/Assets/Scripts/MathFunctionLibrary.cs.meta b/Assets/Scripts/MathFunctionLibrary.cs.meta
new file mode 100644
index 0000000..e29eae2
--- /dev/null
+++ b/Assets/Scripts/MathFunctionLibrary.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fe3850924a36450d5af9e18ad7bef1b6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: