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# Animations | ||
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F3D is able to play animations for any files which contain them. | ||
Play them either interactively or by selecting a specific time to display. | ||
For files containing multiple animations, F3D allows the user to either play each animation separately or play all animations at the same time. | ||
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## Demonstration | ||
This specific example uses an animation file which can be downloaded [here](https://github.com/f3d-app/f3d/blob/606089959c9520085a9cbf70660fb0ffc68fb934/testing/data/InterpolationTest.glb). | ||
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<img width="1024" alt="1" src="https://media.githubusercontent.com/media/f3d-app/f3d-media/main/media/animation_0.png"> | ||
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Load the example animation file shown above by executing within command line: `f3d InterpolationTest.glb` | ||
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<img width="1024" alt="2" src="https://media.githubusercontent.com/media/f3d-app/f3d-media/main/media/animation_1.png"> | ||
To view current animation name, press <kbd>H</kbd> to open up cheatsheet menu | ||
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<img width="1024" alt="3" src="https://media.githubusercontent.com/media/f3d-app/f3d-media/main/media/animation_2.png"> | ||
Press <kbd>W</kbd> to cycle through available animations | ||
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<img width="1024" alt="4" src="https://media.githubusercontent.com/media/f3d-app/f3d-media/main/media/animation_3.png"> | ||
Press <kbd>space</kbd> to play/pause current animation. | ||
Note: A red bar runs along the bottom of screen to indicate the current time interval of the animation sequence. | ||
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<img width="1024" alt="5" src="https://media.githubusercontent.com/media/f3d-app/f3d-media/main/media/animation_4.png"> | ||
"All Animations" will play all animations at the same time. | ||
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## Command line options | ||
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F3D animation behavior can be fully controlled from the command line using the following options. | ||
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| Options | Default | Description | | ||
| ---------------------------- | ------------------- | ---------------------------------------------- | | ||
| \-\-animation\-index | | Select the animation to play. | | ||
| \-\-animation\-index=-1 | | Play all animations at once (.gltf/.glb only). | | ||
| \-\-animation\-speed\-factor | Time Unit = Seconds | Adjust time unit. | | ||
| \-\-animation\-frame\-rate | 60 FPS | Adjust animation frame rate. | | ||
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## Animation Interactions | ||
- Press <kbd>W</kbd> to cycle through animations | ||
- Press <kbd>Space</kbd> to play/pause animation | ||
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## Time Units | ||
- When F3D plays an animation, it assumes the time unit is in seconds to show accurate speed of animation. |
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Large diffs are not rendered by default.
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