Animate camera origin changes

CameraAnimation.py

@@ -0,0 +1,24 @@
+
+from PyQt5.QtCore import QVariantAnimation, QEasingCurve
+from PyQt5.QtGui import QVector3D
+
+from UM.Math.Vector import Vector
+
+class CameraAnimation(QVariantAnimation):
+    def __init__(self, parent = None):
+        super().__init__(parent)
+        self._camera_tool = None
+        self.setDuration(500)
+        self.setEasingCurve(QEasingCurve.InOutQuad)
+
+    def setCameraTool(self, cameraTool):
+        self._camera_tool = cameraTool
+
+    def setStart(self, start):
+        self.setStartValue(QVector3D(start.x, start.y, start.z))
+
+    def setTarget(self, target):
+        self.setEndValue(QVector3D(target.x, target.y, target.z))
+
+    def updateCurrentValue(self, value):
+        self._camera_tool.setOrigin(Vector(value.x(), value.y(), value.z()))