Fixed bug id 2074582, CSceneNodeAnimatorCameraMaya uses uninitialized OldTarget.

Animator now remembers the previously used camera and resets the OldTarget on a change

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1553 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CSceneNodeAnimatorCameraMaya.cpp

@@ -17,14 +17,18 @@ CSceneNodeAnimatorCameraMaya::CSceneNodeAnimatorCameraMaya(gui::ICursorControl*
  :	CursorControl(cursor), Zooming(false), Rotating(false), Moving(false), Translating(false),
 	ZoomSpeed(zoom), RotateSpeed(rotate), TranslateSpeed(translate),
 	RotateStartX(0.0f), RotateStartY(0.0f), ZoomStartX(0.0f), ZoomStartY(0.0f),
-	TranslateStartX(0.0f), TranslateStartY(0.0f), CurrentZoom(70.0f), RotX(0.0f), RotY(0.0f)
+	TranslateStartX(0.0f), TranslateStartY(0.0f), CurrentZoom(70.0f), RotX(0.0f), RotY(0.0f), 
+	Target(0,0,0), OldTarget(0,0,0), MousePos(0.5f, 0.5f), OldCamera(0)
 {
 	#ifdef _DEBUG
 	setDebugName("CSceneNodeAnimatorCameraMaya");
 	#endif
 
 	if (CursorControl)
+	{
 		CursorControl->grab();
+		MousePos = CursorControl->getRelativePosition();
+	}
 
 	allKeysUp();
 }
@@ -93,6 +97,12 @@ void CSceneNodeAnimatorCameraMaya::animateNode(ISceneNode *node, u32 timeMs)
 
 	ICameraSceneNode* camera = static_cast<ICameraSceneNode*>(node);
 
+	if (OldCamera != camera)
+	{
+		OldTarget = camera->getTarget();
+		OldCamera = camera;
+	}
+
 	Target = camera->getTarget();
 
 	const SViewFrustum* va = camera->getViewFrustum();

source/Irrlicht/CSceneNodeAnimatorCameraMaya.h

@@ -6,6 +6,7 @@
 #define __C_SCENE_NODE_ANIMATOR_CAMERA_MAYA_H_INCLUDED__
 
 #include "ISceneNodeAnimatorCameraMaya.h"
+#include "ICameraSceneNode.h"
 #include "vector2d.h"
 
 namespace irr
@@ -90,6 +91,7 @@ namespace scene
 		f32 CurrentZoom;
 		f32 RotX, RotY;
 		core::vector3df Target, OldTarget;
+		scene::ICameraSceneNode* OldCamera;
 
 		core::position2d<f32> MousePos;