From bee095ba74aed907a6782347c10181997cae26c6 Mon Sep 17 00:00:00 2001
From: kovacsv <viktorkovacs@gmail.com>
Date: Wed, 22 Dec 2021 23:05:27 +0100
Subject: [PATCH] Remove orbit center modifier code.

---
 source/viewer/navigation.js | 21 ---------------------
 source/viewer/viewer.js     |  9 ---------
 2 files changed, 30 deletions(-)

diff --git a/source/viewer/navigation.js b/source/viewer/navigation.js
index 89d0df3..da9d882 100644
--- a/source/viewer/navigation.js
+++ b/source/viewer/navigation.js
@@ -273,7 +273,6 @@ OV.Navigation = class
 		this.mouse = new OV.MouseInteraction ();
 		this.touch = new OV.TouchInteraction ();
 		this.clickDetector = new OV.ClickDetector ();
-		this.lastNavigationType = OV.NavigationType.None;
 
 		this.onMouseClick = null;
 		this.onMouseMove = null;
@@ -460,7 +459,6 @@ OV.Navigation = class
 			this.Zoom (-moveDiff.y * zoomRatio);
 		}
 
-		this.lastNavigationType = navigationType;
 		this.Update ();
 	}
 
@@ -473,11 +471,6 @@ OV.Navigation = class
 			let mouseCoords = this.mouse.GetPosition ();
 			this.Click (ev.which, mouseCoords);
 		}
-
-		if (this.lastNavigationType === OV.NavigationType.Pan) {
-			this.UpdateOrbitCenter ();
-		}
-		this.lastNavigationType = OV.NavigationType.None;
 	}
 
 	OnMouseLeave (ev)
@@ -525,7 +518,6 @@ OV.Navigation = class
 			this.Pan (moveDiff.x * panRatio, moveDiff.y * panRatio);
 		}
 
-		this.lastNavigationType = navigationType;
 		this.Update ();
 	}
 
@@ -542,11 +534,6 @@ OV.Navigation = class
 				this.Click (1, touchCoords);
 			}
 		}
-
-		if (this.lastNavigationType === OV.NavigationType.Pan) {
-			this.UpdateOrbitCenter ();
-		}
-		this.lastNavigationType = OV.NavigationType.None;
 	}
 
 	OnMouseWheel (ev)
@@ -653,12 +640,4 @@ OV.Navigation = class
 			this.onContext (globalCoords, localCoords);
 		}
 	}
-
-	UpdateOrbitCenter ()
-	{
-		let centerCoord = this.callbacks.getCenterIntersection ();
-		if (centerCoord !== null) {
-			this.orbitCenter = centerCoord;
-		}
-	}
 };
diff --git a/source/viewer/viewer.js b/source/viewer/viewer.js
index 250f53b..fb67822 100644
--- a/source/viewer/viewer.js
+++ b/source/viewer/viewer.js
@@ -797,15 +797,6 @@ OV.Viewer = class
         this.navigation = new OV.Navigation (canvasElem, camera, {
             onUpdate : () => {
                 this.Render ();
-            },
-            getCenterIntersection : () => {
-                let canvasSize = this.GetCanvasSize ();
-                let centerCoord = new OV.Coord2D (canvasSize.width / 2.0, canvasSize.height / 2.0);
-                let intersection = this.GetMeshIntersectionUnderMouse (centerCoord);
-                if (intersection === null) {
-                    return null;
-                }
-                return new OV.Coord3D (intersection.point.x, intersection.point.y, intersection.point.z);
             }
         });