5 files changed, 17 insertions, 20 deletions
diff --git a/engines/titanic/star_control/camera_mover.cpp b/engines/titanic/star_control/camera_mover.cpp
index 8b1e4ef1eb..f6392d5ea2 100644
--- a/engines/titanic/star_control/camera_mover.cpp
+++ b/engines/titanic/star_control/camera_mover.cpp
@@ -69,20 +69,17 @@ void CCameraMover::copyTo(CNavigationInfo *dest) {
 	dest->_unusedZ = _unusedZ;
 }
 
-void CCameraMover::increaseSpeed() {
+void CCameraMover::increaseForwardSpeed() {
 	if (!isLocked() && _speed < _maxSpeed) {
 		_speedChangeCtr += _speedChangeInc;
 		_speed += ABS(_speedChangeCtr);
 	}
 }
 
-void CCameraMover::decreaseSpeed() {
-	if (!isLocked()) {
+void CCameraMover::increaseBackwardSpeed() {
+	if (!isLocked() && _speed > -_maxSpeed) {
 		_speedChangeCtr -= _speedChangeInc;
 		_speed -= ABS(_speedChangeCtr);
-
-		if (_speedChangeCtr < 0.0)
-			_speedChangeCtr = 0.0;
 	}
 }
 
diff --git a/engines/titanic/star_control/camera_mover.h b/engines/titanic/star_control/camera_mover.h
index ef5f3555e7..c3ec0c6f30 100644
--- a/engines/titanic/star_control/camera_mover.h
+++ b/engines/titanic/star_control/camera_mover.h
@@ -53,14 +53,14 @@ public:
 	virtual void copyTo(CNavigationInfo *dest);
 
 	/**
-	 * Increases movement speed
+	 * Increases movement speed in forward direction
 	 */
-	virtual void increaseSpeed();
+	virtual void increaseForwardSpeed();
 
 	/**
-	 * Decreases movement speed
+	 * Decreases movement speed in backward direction
 	 */
-	virtual void decreaseSpeed();
+	virtual void increaseBackwardSpeed();
 
 	/**
 	 * Increase to full speed
diff --git a/engines/titanic/star_control/star_camera.cpp b/engines/titanic/star_control/star_camera.cpp
index 0d81383449..6829194904 100644
--- a/engines/titanic/star_control/star_camera.cpp
+++ b/engines/titanic/star_control/star_camera.cpp
@@ -146,12 +146,12 @@ void CStarCamera::updatePosition(CErrorCode *errorCode) {
 	}
 }
 
-void CStarCamera::increaseSpeed() {
-	_mover->increaseSpeed();
+void CStarCamera::increaseForwardSpeed() {
+	_mover->increaseForwardSpeed();
 }
 
-void CStarCamera::decreaseSpeed() {
-	_mover->decreaseSpeed();
+void CStarCamera::increaseBackwardSpeed() {
+	_mover->increaseBackwardSpeed();
 }
 
 void CStarCamera::fullSpeed() {
diff --git a/engines/titanic/star_control/star_camera.h b/engines/titanic/star_control/star_camera.h
index 1f0e12ccd9..fa46eb38b1 100644
--- a/engines/titanic/star_control/star_camera.h
+++ b/engines/titanic/star_control/star_camera.h
@@ -102,14 +102,14 @@ public:
 	virtual void updatePosition(CErrorCode *errorCode);
 
 	/**
-	 * Increases movement speed
+	 * Increases movement speed in forward direction
 	 */
-	virtual void increaseSpeed();
+	virtual void increaseForwardSpeed();
 
 	/**
-	 * Decreases movement speed
+	 * Decreases movement speed in backward direction
 	 */
-	virtual void decreaseSpeed();
+	virtual void increaseBackwardSpeed();
 
 	/**
 	 * Increase to full speed
diff --git a/engines/titanic/star_control/star_view.cpp b/engines/titanic/star_control/star_view.cpp
index 97752c2f95..576fd87b54 100644
--- a/engines/titanic/star_control/star_view.cpp
+++ b/engines/titanic/star_control/star_view.cpp
@@ -187,7 +187,7 @@ bool CStarView::KeyCharMsg(int key, CErrorCode *errorCode) {
 
 	case Common::KEYCODE_SEMICOLON:
 		if (matchedIndex == -1) {
-			_camera.increaseSpeed();
+			_camera.increaseForwardSpeed();
 			errorCode->set();
 			return true;
 		}
@@ -195,7 +195,7 @@ bool CStarView::KeyCharMsg(int key, CErrorCode *errorCode) {
 
 	case Common::KEYCODE_PERIOD:
 		if (matchedIndex == -1) {
-			_camera.decreaseSpeed();
+			_camera.increaseBackwardSpeed();
 			errorCode->set();
 			return true;
 		}