Always use a btCompoundShape for complex collision,

added infrastructure for collision mesh animation,
minor API documentation updates

1 files changed, 10 insertions, 5 deletions

diff --git a/src/model/fragment.h b/src/model/fragment.h
index db5f569..fcacecc 100644
--- a/src/model/fragment.h
+++ b/src/model/fragment.h
@@ -98,10 +98,17 @@ public:
 		return group_location;
 	}
 
+	/**
+	 * @brief movement vector for moving groups
+	 * For rotating groups, this is the rotation axis
+	 */
 	inline const math::Vector3f &movement() const {
 		return group_movement;
 	}
 
+	/**
+	 * @brief local rotation matrix of the group
+	 */
 	inline const math::Axis & axis() const {
 		return group_axis;
 	}
@@ -150,17 +157,15 @@ public:
 	
 
 	/**
-	 * @brief rotation axis
-	 * For normal groups, this is the transformation matrix
-	 * For rotating groups axis->forward() is the axis of the rotation.
-	 * For movers, axis->forward() is the axis of movement. 
+	 * @brief set the rotation axis
+	 * set the local rotation matrix of the group
 	 */
 	inline void set_axis(const math::Axis &axis) {
 		group_axis.assign(axis);
 	}
 
 	/**
-	 * @brief movement speed
+	 * @brief set movement speed
 	 * For rotating groups this is the number of degrees per second
 	 * For movers, this is the speed in units per second
 	 */