From 24a17da5d4f770f1ea86328ffdfe7aaa7712173c Mon Sep 17 00:00:00 2001
From: "Theunis J. Botha" <theunis.botha1@gmail.com>
Date: Wed, 7 Dec 2016 09:52:23 +0100
Subject: [PATCH] start update path following

---
 src/game-lib-component-path-following.js | 22 +++++++++++-----------
 src/game-lib-utils.js                    | 18 +++++++++++++++++-
 2 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/src/game-lib-component-path-following.js b/src/game-lib-component-path-following.js
index 8416989..613d924 100644
--- a/src/game-lib-component-path-following.js
+++ b/src/game-lib-component-path-following.js
@@ -2,8 +2,8 @@
  *
  * @param id
  * @param name
- * @param splineCurve3
- * @param trackThreeMeshArray
+ * @param spline GameLib.D3.Spline
+ * @param meshes[] GameLib.D3.Mesh
  * @param accel
  * @param maxSpeed
  * @param baseOffset
@@ -14,8 +14,8 @@
 GameLib.D3.ComponentPathFollowing = function ComponentPathFollowing(
     id,
     name,
-    splineCurve3,
-    trackThreeMeshArray,
+    spline,
+    meshes,
     accel,
     maxSpeed,
     baseOffset,
@@ -31,8 +31,8 @@ GameLib.D3.ComponentPathFollowing = function ComponentPathFollowing(
     this.name = name;
     this.parentEntity = null;
 
-    this.splineCurve3 = splineCurve3;
-    this.trackThreeMeshArray = trackThreeMeshArray;
+    this.spline = spline;
+    this.trackThreeMeshArray = mesh;
 
     this.maxSpeed = maxSpeed || 10.0;
     this.accel = accel || 2.0;
@@ -66,7 +66,7 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
     parentEntity
 ) {
 
-    if(this.splineCurve3 && this.trackThreeMeshArray) {
+    if(this.spline && this.trackThreeMeshArray) {
 
         if(this.currentPathValue >= 1 || this.currentPathValue < 0) {
             this.currentPathValue = 0;
@@ -74,7 +74,7 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
 
         //To maintain a constant speed, you use .getPointAt( t ) instead of .getPoint( t ).
         //http://stackoverflow.com/questions/18400667/three-js-object-following-a-spline-path-rotation-tanget-issues-constant-sp
-        var position = this.splineCurve3.getPointAt(this.currentPathValue);
+        var position = this.spline.instance.getPointAt(this.currentPathValue);
 
 
         // Update the current thing
@@ -96,7 +96,7 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
             nextIndex = 0;
         }
 
-        var nextPoint = this.splineCurve3.getPointAt(nextIndex);
+        var nextPoint = this.spline.instance.getPointAt(nextIndex);
 
         // - - - - - - - - - - - - -
         // Ray trace from the current position.
@@ -117,7 +117,7 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
                 this.trackThreeMeshArray[m]
             );
 
-            if(intersect) {
+            if (intersect) {
                 normal = intersect[0].face.normal;
                 break;
             }
@@ -174,7 +174,7 @@ GameLib.D3.ComponentPathFollowing.prototype.onSetParentEntity = function(
     parentScene,
     parentEntity
 ) {
-    if(!this.splineCurve3) {
+    if (!this.spline) {
         console.error("NO PATH GIVEN");
     }
 };
\ No newline at end of file
diff --git a/src/game-lib-utils.js b/src/game-lib-utils.js
index bbeb5b4..e0e6957 100644
--- a/src/game-lib-utils.js
+++ b/src/game-lib-utils.js
@@ -329,4 +329,20 @@ GameLib.D3.Utils.FixPolyZPlane = function(verticesFlat, grain) {
     }
 
     return vertices;
-};
\ No newline at end of file
+};
+
+GameLib.D3.Utils.MovingAverage = function(period) {
+    var nums = [];
+    return function(num) {
+        nums.push(num);
+        if (nums.length > period)
+            nums.splice(0,1);  // remove the first element of the array
+        var sum = 0;
+        for (var i in nums)
+            sum += nums[i];
+        var n = period;
+        if (nums.length < period)
+            n = nums.length;
+        return(sum/n);
+    }
+};