Video
scene-builder
A brief becomes a set, with the camera moves to shoot it.
<!-- Generated by apps/docs/scripts/gen-tools.mjs. Do not edit here: the words live in apps/web/src/lib/tools/astra-to-3d.tool.json (agent, hint) and packages/shared/src/tools/setting-hints.ts. --> On the rail as **scene-builder**. ## When to use it Building a sparse, finished 3D environment around your own models from a written brief, with a collection of distinct camera moves through it, previewed and rendered in the browser. ## When to reach for something else It makes architectural, abstract and product sets, not cities, foliage or organic sculpture: those come in as your models. It renders its own set, so a photoreal finish is a later step with a video tool. ## How to use it 1. Use the card's **The set** area. The 3D set. Write the brief, drop your models in, then pick and adjust the camera moves through it. 2. Press **Run**. ## On the card | Control | What it does | Choices | | - | - | - | | The set | The 3D set. Write the brief, drop your models in, then pick and adjust the camera moves through it. | | | Run | Starts the run. The number on it is what this run costs in credits, worked out before you press. | | | ×1 | Runs the card several times in a row with the same settings. | 1 to 99 | ## Settings These sit behind the settings button on the card. | Setting | What it does | Choices | | - | - | - | | Actor | The person or fox picked on the stage: what it is, which way it goes, how far and when. Right-click the set to add one. | | | Saved sets | Open a set you kept earlier, or keep this one. A kept set brings its place, its moves, its models and its brief back onto any card, free. | | | Height | How high the selected camera position sits above the ground, in metres. | | | Push | Moves the selected position along the direction the camera is looking. Positive goes in, negative pulls back. | | | Slide | Moves the selected position sideways, across the direction the camera is looking. | | | Aim at | What the camera looks at through this move. Pick one of your models, or the scene as a whole. | | | This key | Hold repeats the selected position, which is how the camera stops. Remove drops it and the path closes over the gap. | | | Keys | Which position along the move you are editing. | | | Ease | How the camera travels out of the selected key. In eases the start of that move and Out eases its arrival. It never moves a key. | | | Resolution | How big the rendered video is. Bigger takes longer to draw; nothing else changes. | 1.5K, 2K | | Aspect | The shape of the frame. It reaches the set designer too, so the moves are composed for it. | 16:9, 9:16, 1:1 | | Lens | Vertical field of view for the selected move. Low is a long lens that flattens depth, high is a wide one that exaggerates it. | | | Frame rate | Frames a second in the rendered video. It never changes the move, only how finely it is sampled. | 8, 10, 12, 16, 24, 30, 48, 60 | | Effort | How long the set designer thinks before answering. Deep takes several times as long and costs more. | Balanced, Deep |On the rail as scene-builder.
When to use it
Section titled “When to use it”Building a sparse, finished 3D environment around your own models from a written brief, with a collection of distinct camera moves through it, previewed and rendered in the browser.
When to reach for something else
Section titled “When to reach for something else”It makes architectural, abstract and product sets, not cities, foliage or organic sculpture: those come in as your models. It renders its own set, so a photoreal finish is a later step with a video tool.
How to use it
Section titled “How to use it”- Use the card’s The set area. The 3D set. Write the brief, drop your models in, then pick and adjust the camera moves through it.
- Press Run.
On the card
Section titled “On the card”| Control | What it does | Choices |
|---|---|---|
| The set | The 3D set. Write the brief, drop your models in, then pick and adjust the camera moves through it. | |
| Run | Starts the run. The number on it is what this run costs in credits, worked out before you press. | |
| ×1 | Runs the card several times in a row with the same settings. | 1 to 99 |
Settings
Section titled “Settings”These sit behind the settings button on the card.
| Setting | What it does | Choices |
|---|---|---|
| Actor | The person or fox picked on the stage: what it is, which way it goes, how far and when. Right-click the set to add one. | |
| Saved sets | Open a set you kept earlier, or keep this one. A kept set brings its place, its moves, its models and its brief back onto any card, free. | |
| Height | How high the selected camera position sits above the ground, in metres. | |
| Push | Moves the selected position along the direction the camera is looking. Positive goes in, negative pulls back. | |
| Slide | Moves the selected position sideways, across the direction the camera is looking. | |
| Aim at | What the camera looks at through this move. Pick one of your models, or the scene as a whole. | |
| This key | Hold repeats the selected position, which is how the camera stops. Remove drops it and the path closes over the gap. | |
| Keys | Which position along the move you are editing. | |
| Ease | How the camera travels out of the selected key. In eases the start of that move and Out eases its arrival. It never moves a key. | |
| Resolution | How big the rendered video is. Bigger takes longer to draw; nothing else changes. | 1.5K, 2K |
| Aspect | The shape of the frame. It reaches the set designer too, so the moves are composed for it. | 16:9, 9:16, 1:1 |
| Lens | Vertical field of view for the selected move. Low is a long lens that flattens depth, high is a wide one that exaggerates it. | |
| Frame rate | Frames a second in the rendered video. It never changes the move, only how finely it is sampled. | 8, 10, 12, 16, 24, 30, 48, 60 |
| Effort | How long the set designer thinks before answering. Deep takes several times as long and costs more. | Balanced, Deep |