[Anark] Fly (Special Effects Behavior)

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发表于 2011-10-20 15:46:00 |只看该作者 |倒序浏览

            Fly (Special Effects Behavior)


         Summary


         Fly the object around the scene, using the arrow keys.


            Category


            Latest Behaviors


            Author


            Gavin Kistner


            Difficulty


            (Reference)


            Time to Complete


            5 Minutes


         Downloads


         Click Here

         to download the associated files.


         (This document covers version 2.0.1 of the 'Fly' behavior, current as of 2005-Feb-11)


         Description


         Attach this behavior to an object to control its movement with the keyboard. (Typically attached to a Camera to allow the user to ‘fly’ around in the scene.)


         This new version allows you to control forward/backward movement, left/right turning, left/right sliding (‘strafing’), and up/down sliding.


         If

            Stop Without Gas?

         is checked, the object will immediately stop moving as soon as any of the movement keys are released.


         If

            Slow Without Gas?

         is checked, the object will slow to a stop (using the

            Acceleration

         value to slow down) when the movement keys are released. (Provides a natural feeling of inertia.)


         If neither of the above are checked, the object will continue moving and sliding until the

            Stop Key

         (slows to a stop) or

            Full Stop Key

         (immediately stop all movement) are pressed.


         If

            Move in XZ plane only?

         is checked, the movement will be constrained to the ‘horizontal’ plane. This allows you to have the camera point down (someone looking down) without having the

            Forward Key

         move the camera along that path. If not checked, the object will always move ‘forward’ in the direction it is ‘looking’.


         See ‘Appendix C: Key Names’ for a full listing of strings which may be used for each of the key mappings (in advanced properties).


         This behavior does not modify pitch or roll, but may be used in conjunction with another behavior (such as Tumble or Mouse-Controlled Incrementor) to affect these values.


         This behavior is commonly used in conjunction with Collider for Walkthroughs to allow the user to move through a scene without walking through walls.


         Basic Properties


            Stop Without Gas?


            Stop immediately when the forward/backwards key is released?


            Slow Without Gas?


            Slow to a stop when the forward/backwards key is released?


            Move in XZ plane only?


            If checked, you can move 'forward' while looking down.


            Acceleration


            Forward/backward acceleration speed (in units/second^2)


            Max Speed


            Maximum speed (in units/second) for the object.


            Turn Speed


            Speed (in degrees/second) to rotate.


         Advanced Properties


            Forward Key


            Key to control acceleration.


            Backward Key


            Key to control backwards acceleration.


            Turn Left Key


            Key to turn left.


            Turn Right Key


            Key to turn right.


            Slide Left Key


            Key to slide to the left.


            Slide Right Key


            Key to slide to the right.


            Slide Up Key


            Key to slide up.


            Slide Down Key


            Key to slide down.


            Stop Key


            Key to slow to a stop. (Only if 'Stop Without Gas?' is off.)


            Full Stop Key


            Key to immediately stop movement. (Only if 'Stop Without Gas?' is off.)


         Actions


            Stop Moving Now


            Equivalent to pressing the Full Stop Key.


         Demonstration


            View Demonstration Project


            Download Project File