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|Views and Cameras
|You can choose the way to see your model on the Stage window. You can set the Stage window to show 1 or 4 views calling the menu item "Views:1 View" and "Views:4 Views" or quickly pressing the "/" key (slash). Also you can click on the 1 View and 4 Views buttons on the Stage toolbar.
Any view can display different projections as Top, Bottom, Front, Back, Left, Right, Work, Default and "Sprites Movable Cameras" (Composite). The "Sprites Movable Cameras" is the only one movable projection displaying your animation shooted by the movable Sprites Cameras you have defined in the Sprites window. All the other projections are static and you will be using them to control and build your model. To show/hide the view icons, press the key ' (apostrophe) or call the menu item "Views:Show View Icons".
• Static Projections
The following projections are static and cannot be modified when the animation is playing. Thus they should be considered as "working views" just to control your scene, walk around your model and modify it. You can choose between Front, Back, Left, Right, Top, Bottom, Work and Default view. These 8 views let you see your model both perspectively or orthogonally (press the key "o" to toggle between perspective and orthogonal view). You can quickly recall these views pressing the following keys:
• Sprite Movable Cameras
A Sprite Movable Camera is a sprite that you can animate as well as any other object on the Sprites window. You can use several sprite movable cameras such a way to display the animation from different and dynamic points of view. When you create a new file it doesn't contain yet any Sprite Movable Camera, thus, even if the current view is "Sprite Movable Cameras" (look at the menu "Views" to see the current view"), Kinemac will display your model using the Default Static Camera (it's a kind of static "backup view" you can even modify when the animation is not playing - see how).
To add a movable Sprite Camera to your animation just call the menu item Objects:Camera or click on the Camera icon on the Stage Toolbar. You will see in the Sprite window a new Camera green sprite. Always put your camera sprite "above" the objects to shoot with that camera in the hierarchical Sprites table, like shown here below. Each sprite camera has an eye point and a target point.
In the example shown above, Kinemac will display the object "Cube" using the "Camera A" when the playback time is between 0 and 100. Then from the point 100 to the point 200, since there are no Sprite Cameras defined, it will display the object Cube using the Default Static Camera. Then from the point 200 to the point 300 it will display the Cube using the "Camera B". Last, from the point 300 to the point 400 it will display the Cube still using the "Camera B" and will display a scrolling text using the "Camera C" as in a overlaid view, over the cube. Let's say that the Camera C doesn't move. This way, even if you move the Camera B around your Cube, you will always see the scrolling text as statically positioned in the screen.
• Animate a Sprite Movable Camera
You can animate a sprite camera as well you animate any object on the Stage view assigning key frames to the camera parameters. Each camera has an eye point and a target point. The eye point, defined by its x, y and z coordinates, is the point from which you are looking at the scene. The target point, defined by its x, y and z coordinates, is the point of your scene wich will be represented at the center of the screen. Firstly select the camera in the Sprites window.
Now, on the Sprite window, move the time marker at the beginning of the Camera Sprite (frame 30) then go to the Inspector:Camera panel and click on the key frame button "Eye Position" to create a key frame for the eye point. Then click on the key frame button "Target Position" to create a key frame for the target point. You can quickly create these 6 key frames simply pressing Command-K. Once created the 6 key frames, you can modify the positions of the eye and the target points.
Furthermore, you can change the position of the eye and the target points directly dragging their icons on the static views (Front, Top, Left...). The Sprite Movable Camera view will instantaneously display the result of your change. When the current frame is a key frame Kinemac will display the key frame icon close to the eye or target icon indicating that you can safely change the eye and the target positions because they are already key-framed. In facts when the frame is not a key frame and you modify the eye or target position, the change will affect the whole duration of the camera sprite and not only that frame (open the Bezier window to see how).
• Orthogonal Camera
You can set a sprite camera to "Orthogonal". This way the objects following the Orthogonal camera in the sprite list will be drawn just as they were in a 2D space. The advantage to draw in a 2D space is that the objects will be represented with their original size and 2D coordinates as you were paginating a sheet.
In order to get the result shown here above we can arrange the sprites in 2 ways. The first way is shown in the sprite list here below. The "Cam_Ortho" sprite (see its setting in the Inspector panel here aside) sets the orthogonal view for the following sprites "Picture" and "ScrollingText". Then the "Cam_Perspective" sprite sets a perspective view for the following sprite "Cube". The result is that the sprite "Picture" and the sprite "ScrollingText" will be drawn in a 2D space while the sprite Cube will be drawn in a 3D space, over the other objects.
The second way is shown in the sprite list below. You can create a sprite folder and put the orthogonal sprite camera and the 2D sprites within this folder. The result is the same as the one of the sample here above. Anyway, this way, only the objects within this folder will be represented by the orthogonal camera, so you will not need to create another perspective camera (like in the sample above) to restore the perspective view for the next sprite "Cube" in the list. In this sample, the sprite Cube will be shooted by the Default Static Camera.
When a sprite camera is orthogonal, the slider "Distance" will turn to "Zoom" reporting the level of
the orthogonal zoom of the camera. When the zoom
is 1.0, the object will be drawn with the size reported
by the Inspector:Geometry panel and will be not affected by the perspective projection.
• Modify the Default Static Camera
We have just seen that when no Sprite Cameras are defined at a given time, and the selected view is "Sprite Movable Cameras", you will see your model through the Default Static Camera. This camera is a kind of static "backup view" which ensures that your animation will always be shooted by a camera. This camera is automatically set as a frontal view, but you can change it as your wish. Select the Default Static Camera in the Views menu or quickly press the "d" key.
Then you will be able to translate, rotate and zoom this camera as well as you do with the "Work" view (see how).
To set back the Sprite Movable Camera view (composite) press the "s" key.
The "Views" menu lists the menu items "Polygon Fill" and "Polygon WireFrame" to let you set the Stage to display the objects as solids or as wire frames (faster rendering). You can quickly toggle the polygon mode Fill/WireFrame pressing the key "." (the dot).