From 6fc0fee7d23f1ee14189ac28ae785aa8581f032e Mon Sep 17 00:00:00 2001
From: Jordan <jordancookirwin@gmail.com>
Date: Sat, 4 Feb 2023 16:26:20 +1100
Subject: [PATCH] vine prefab

---
 Assets/Prefab/Vine.prefab      |  3 ++
 Assets/Prefab/Vine.prefab.meta |  7 ++++
 Assets/Scenes/BoatTest.unity   |  4 +-
 Assets/vine.cs                 | 69 ++++++++++++++++++++++++++++++++++
 Assets/vine.cs.meta            | 11 ++++++
 5 files changed, 92 insertions(+), 2 deletions(-)
 create mode 100644 Assets/Prefab/Vine.prefab
 create mode 100644 Assets/Prefab/Vine.prefab.meta
 create mode 100644 Assets/vine.cs
 create mode 100644 Assets/vine.cs.meta

diff --git a/Assets/Prefab/Vine.prefab b/Assets/Prefab/Vine.prefab
new file mode 100644
index 0000000..39aa8b6
--- /dev/null
+++ b/Assets/Prefab/Vine.prefab
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e123b7105c7223554b0ed640c31956816dc53124adda524add59c94910ddd78
+size 7165
diff --git a/Assets/Prefab/Vine.prefab.meta b/Assets/Prefab/Vine.prefab.meta
new file mode 100644
index 0000000..32b1bc7
--- /dev/null
+++ b/Assets/Prefab/Vine.prefab.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 16732dd06c6df5b4c883cb899f5108e4
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scenes/BoatTest.unity b/Assets/Scenes/BoatTest.unity
index 8acac7e..585a17e 100644
--- a/Assets/Scenes/BoatTest.unity
+++ b/Assets/Scenes/BoatTest.unity
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fb8245f8af05b8a05903216fc9b8857790dec636f40beb0dec6961953c67a175
-size 47466
+oid sha256:51c8759d1d74c0e958bb8df7ddfd88a5e93a301bf4e288b3bd02954940af9ae5
+size 47470
diff --git a/Assets/vine.cs b/Assets/vine.cs
new file mode 100644
index 0000000..94b6847
--- /dev/null
+++ b/Assets/vine.cs
@@ -0,0 +1,69 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[ExecuteInEditMode]
+public class vine : MonoBehaviour
+{
+    private LineRenderer lineRenderer;
+
+    [SerializeField]
+    private GameObject position1;
+    [SerializeField]
+    private GameObject position2;
+
+    private Vector3 lastPosition1;
+    private Vector3 lastPosition2;
+    private float lastDipMagnitude;
+    private int lastNumberPoints;
+
+    [SerializeField]
+    private AnimationCurve vineCurve;
+    [SerializeField]
+    private float dipMagnitude = 1f;
+    [SerializeField]
+    private int numberOfPoints = 20;
+
+    // Start is called before the first frame update
+    void Awake()
+    {
+        lineRenderer = GetComponent<LineRenderer>();
+    }
+
+    void Update()
+    {
+        //if both positions are defined
+        if (position1 != null && position2 != null)
+        {
+            //if either of the points have moved
+            if ((position1.transform.position != lastPosition1) || (position2.transform.position != lastPosition2) || (dipMagnitude != lastDipMagnitude) || (numberOfPoints != lastNumberPoints))
+            {
+                Recalculate();
+            }
+        }
+    }
+
+    [ContextMenu("Recalculate")]
+    void Recalculate()
+    {
+        lineRenderer.positionCount = numberOfPoints;
+
+        //set start and end
+        lineRenderer.SetPosition(0, position1.transform.position);
+        lineRenderer.SetPosition(lineRenderer.positionCount-1, position2.transform.position);
+
+        for (int i = 0; i<lineRenderer.positionCount; i++)
+        {
+            Vector3 newLerpPos = Vector3.Lerp(position1.transform.position, position2.transform.position, i / (float)(lineRenderer.positionCount - 1));
+            Vector3 newDip = Vector3.up * dipMagnitude * (1f - vineCurve.Evaluate(i / (float)(lineRenderer.positionCount - 1)));
+
+
+            lineRenderer.SetPosition(i, newLerpPos - newDip);
+        }
+
+        lastPosition1 = position1.transform.position;
+        lastPosition2 = position2.transform.position;
+        lastDipMagnitude = dipMagnitude;
+        lastNumberPoints = numberOfPoints;
+}
+}
diff --git a/Assets/vine.cs.meta b/Assets/vine.cs.meta
new file mode 100644
index 0000000..ce967fc
--- /dev/null
+++ b/Assets/vine.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f23ee12fd5d9d374c8d5ecfd7c8b0919
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: