move arc drawing code into ShapeDraw, remove vertex count argument

Boids/Assets/Scripts/Boid.cs

@@ -261,41 +261,4 @@ public class Boid : MonoBehaviour {
         // Add points to LineRenderer
         line.SetPositions(points);
     }
-
-    private void DrawArcCentered(float radius, float centerAngle, float angleWidth, string childName) {
-        float half = angleWidth / 2f;
-        DrawArc(radius, Util.AddAngle(centerAngle, -half), Util.AddAngle(centerAngle, half), childName);
-    }
-
-    private void DrawArc(float radius, float from, float to, string childName) {
-        // Create a new child GameObject to hold the LineRenderer Component
-        var child = new GameObject(childName);
-        child.transform.SetParent(transform);
-        child.transform.position = transform.position;
-        var line = child.AddComponent<LineRenderer>();
-
-        int vertexCount = _parent.arcVertexCount != -1 ? _parent.arcVertexCount : (int) Mathf.Abs(from - to) * 2;
-
-        // Setup LineRenderer properties
-        line.useWorldSpace = false;
-        line.startWidth = _parent.circleWidth;
-        line.endWidth = _parent.circleWidth;
-        line.positionCount = vertexCount + 1 + 2;
-
-        // Calculate points for circle
-        var pointCount = vertexCount + 1;
-        var points = new Vector3[pointCount + 2];
-        
-        for (int i = 0; i < pointCount; i++) {
-            // Magic '180 - angle'
-            var rad = Mathf.Deg2Rad * Mathf.LerpAngle(from, to, i / (float) pointCount);
-            points[i + 1] = new Vector3(Mathf.Sin(rad), Mathf.Cos(rad), 0) * radius;
-        }
-
-        points[0] = new Vector3(0, 0, 0);
-        points[points.Length - 1] = points[0];
-
-        // Add points to LineRenderer
-        line.SetPositions(points);
-    }
 }

Boids/Assets/Scripts/ShapeDraw.cs

@@ -4,6 +4,12 @@
 /// A simple static utility class that assists with drawing shapes using the <c>LineRenderer</c> class.
 /// </summary>
 public class ShapeDraw {
+    public static float CircleWidth = 1f;
+    public static float ArcWidth = 1f;
+    public static int CircleVertexCount = 360;
+    public static int ArcVertexCount = 77;
+    
+    
     /// <summary>
     /// Draw a Arc aimed straight up with a certain angle width and radius.
     /// Use <see cref="RotateLineRenderer"/> to point the Arc at a certain direction.
@@ -11,10 +17,29 @@ public class ShapeDraw {
     /// <param name="lineRenderer">The LineRenderer to draw the Arc upon.</param>
     /// <param name="angle">Angle of the Arc</param>
     /// <param name="radius">Radius of the Arc</param>
-    /// <param name="vertexCount">Number of vertexes to be used in the arc, clamp minimum 3 </param>
     /// <seealso cref="RotateLineRenderer"/>
-    public static void DrawArc(LineRenderer lineRenderer, float angle, float radius, int vertexCount) {
+    public static void DrawArc(LineRenderer lineRenderer, float angle, float radius) {
+        // Setup LineRenderer properties
+        lineRenderer.useWorldSpace = false;
+        lineRenderer.startWidth = ArcWidth;
+        lineRenderer.endWidth = ArcWidth;
+        lineRenderer.positionCount = ArcVertexCount + 1 + 2;
+
+        // Calculate points for circle
+        var pointCount = ArcVertexCount + 1;
+        var points = new Vector3[pointCount + 2];
         
+        for (int i = 0; i < pointCount; i++) {
+            // Magic '180 - angle'
+            var rad = Mathf.Deg2Rad * Mathf.LerpAngle(0, angle, i / (float) pointCount);
+            points[i + 1] = new Vector3(Mathf.Sin(rad), Mathf.Cos(rad), 0) * radius;
+        }
+
+        points[0] = new Vector3(0, 0, 0);
+        points[points.Length - 1] = points[0];
+
+        // Add points to LineRenderer
+        lineRenderer.SetPositions(points);
     }
 
     /// <summary>