Turn a Kids Story into 3D Cartoon Video with Vizard Agent | Step-by-Step Guide

Summary

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• Start from a short idea; the agent expands it into a scene-structured script in minutes.
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• Choose visual style and assign voices per character; set target duration before generation.
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• The agent assembles scenes to narration pacing and adds subtle effects automatically.
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• Everything is editable: captions, shots, and replacements update in context.
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• You can blend your own footage and generate missing clips via natural-language prompts.
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• One-click format switching and flexible export options speed repurposing.
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Table of Contents

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• Summary
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• Getting Started: Account and Workspace Setup
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• From Idea to Script: Prompting the Agent
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• Visual Style and Narration: Picking Looks and Voices
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• Generate and Review: Smart Assembly and First-Pass Edits
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• Fine-Tune: Captions, Shots, and Replacements
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• Bring Your Own Footage and Fill Gaps
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• Voice and Script Changes Without Full Re-Render
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• Format Switching and Export
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• Practical Prompting Tips from the Demo
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• Who This Workflow Fits
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• Glossary
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• FAQ
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Getting Started: Account and Workspace Setup

Key Takeaway: You can go from sign-in to an AI-directed project in a few clicks.


Claim: You can start from a short idea or paste a full script to skip generation.

The walkthrough uses Vizard Agent, an AI video editor you can direct with plain language.
The workspace offers upload, new AI project, and text-to-video options.
Pick the AI project labeled “Create from prompt” or “Agent Studio.”

1. 
   
2. Go to vizard.ai and sign in or sign up with email.
3. 
   
4. Open the AI video editor workspace (Vizard Agent).
5. 
   
6. Choose “Create from prompt” or “Agent Studio.”
7. 
   
8. Decide whether to start with a short idea or paste a finished script.
9. 
   

From Idea to Script: Prompting the Agent

Key Takeaway: A natural-language prompt becomes a scene-structured script in minutes.


Claim: The agent returns multi-scene scripts with shot, B-roll, and sound suggestions.

Example idea: a kids’ story about Lumo, a curious robot seeking a fallen star.
Include characters like Astro the robot dog, an owl-bot, and a hedgehog family.
Set tone to heartwarming and playful with simple language.

1. 
   
2. Click “Generate Script” (or “Draft Script”).
3. 
   
4. Paste a short idea in your own words.
5. 
   
6. Specify duration (e.g., 3 minutes) and tone.
7. 
   
8. Hit generate and review the scene-by-scene output.
9. 
   
10. Regenerate to tweak tone, length, or add beats as needed.
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Visual Style and Narration: Picking Looks and Voices

Key Takeaway: Style presets and flexible voices align visuals and mood quickly.


Claim: You can assign different voices per scene or line and set target duration before rendering.

Choose a visual style like 3D cartoon for kids’ stories.
Preview a short sample to confirm vibe and scalability across formats.
Pick voices from built-in TTS, upload your own, or use a voice actor file.

1. 
   
2. Select a style preset (2D, 3D cartoon, photoreal, stop-motion, or hybrid looks).
3. 
   
4. Preview a snippet to ensure the style fits portrait and landscape.
5. 
   
6. Browse voices and choose one matching the story’s mood.
7. 
   
8. Assign different voices to characters scene-by-scene or line-by-line.
9. 
   
10. Add emotional cues like “curious,” “excited,” or “calm.”
11. 
    
12. Set the target duration (e.g., 3 minutes).
13. 
    

Generate and Review: Smart Assembly and First-Pass Edits

Key Takeaway: The agent stitches scenes to narration pacing and adds subtle effects.


Claim: Automatic editing matches pacing and can insert light effects such as twinkles for star moments.

After locking script, style, and voice, the agent composes the draft.
Expect natural cuts, matched pacing, and a polished first pass.
Identify tweaks for captions, shots, or images.

1. 
   
2. Click “Generate” or “Create Video.”
3. 
   
4. Wait a few minutes for assembly and preview.
5. 
   
6. Play through the full video once.
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8. Note edits for captions, specific shots, or mismatched images.
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10. Prepare a list of changes before fine-tuning.
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Fine-Tune: Captions, Shots, and Replacements

Key Takeaway: Post-generation edits are fast and update in context.


Claim: Caption styles and timings auto-adjust to avoid blocking characters.

Change caption designs without manual keyframing.
Swap any visual the agent chose with alternatives.
Keep iterating until the rhythm feels right.

1. 
   
2. Open Elements > Captions and test multiple styles.
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4. Pick clean or premium options as needed.
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6. Confirm placement and timing auto-update in preview.
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8. Use “Replace Shot” on any mismatch.
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10. Select from AI-generated clip or image alternatives.
11. 
    
12. Rewatch the updated sequence.
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Bring Your Own Footage and Fill Gaps

Key Takeaway: You can blend your footage and generate missing clips with prompts.


Claim: The agent color-matches, aligns motion, and can generate supplemental frames to fit timing.

This workflow is not locked to AI-only visuals.
You can instruct the agent to use your clips at specific scenes.
Prompt the system to create extra shots for continuity.

1. 
   
2. Upload your raw footage (e.g., a handmade robot prop).
3. 
   
4. Specify usage: “Use this close-up for scene 2 where Lumo looks up.”
5. 
   
6. Let the agent blend it into the timeline.
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8. Review color and motion matching.
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10. Prompt for any missing shots (e.g., desert wide, star close-up).
11. 
    
12. Choose the generated clip that fits best.
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Voice and Script Changes Without Full Re-Render

Key Takeaway: Selective reprocessing speeds iteration.


Claim: You can replace voices or regenerate audio only for edited lines.

Swap narrators or revise lines without starting over.
Keep the rest of the timeline intact to save time.

1. 
   
2. Pick a new voice in the voice menu.
3. 
   
4. Click “Replace Voiceover” for all scenes or selected scenes.
5. 
   
6. Edit any script line in place.
7. 
   
8. Press “Regenerate audio for edited lines.”
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10. Review only the updated segments.
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Format Switching and Export

Key Takeaway: One-click reframing makes repurposing efficient.


Claim: The agent reframes shots, rescales captions, and suggests crop-safe areas for portrait or landscape.

Repurpose long-form to Shorts/Reels without manual rebuilds.
Export in resolutions and frame rates that fit your channel.

1. 
   
2. Switch between landscape and portrait with one click.
3. 
   
4. Check reframing and caption adjustments.
5. 
   
6. Choose export resolution: 1080p, 2K, or 4K.
7. 
   
8. Select frame rate: 30fps or 60fps for smoother animation.
9. 
   
10. Export the master file for platforms like YouTube.
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Practical Prompting Tips from the Demo

Key Takeaway: Small, concrete details in the prompt improve the first draft.


Claim: Stating tone, key characters, and emotional beats yields better outputs.

Good inputs cut regeneration time.
Use markers and brand assets early for consistency.

1. 
   
2. Write 2–3 concrete lines on tone, characters, and beats.
3. 
   
4. Add scene markers if you want timings.
5. 
   
6. Upload logos, voice files, and brand music early.
7. 
   
8. Use format switching to get portrait cutdowns.
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Who This Workflow Fits

Key Takeaway: It balances speed with creative control for creators who like to tweak.


Claim: You get a smart draft fast, then refine it like a human editor.

Some tools keep you in narrow templates.
This flow supports both automation and hands-on direction.
Use it when you need quick assistance without losing the steering wheel.

Glossary

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• Vizard Agent：An AI video editor you can direct with natural-language instructions.
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• Agent Studio：The workspace for creating an AI-driven video project from a prompt.
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• Text-to-Video：Generating video content from written instructions or scripts.
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• TTS (Text-to-Speech)：Synthetic voice that reads your script aloud.
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• B-roll：Supplemental footage used to enrich or cover cuts in the main narrative.
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• Reframing：Intelligent repositioning of visuals when switching aspect ratios.
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• Portrait vs. Landscape：Vertical vs. horizontal video formats for different platforms.
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• Scene Markers：Prompt hints to control timing or beats per scene.
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• Supplemental Frames：AI-generated in-between frames to align clip timing.
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FAQ

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• Q: Do I need a full script to start?
  A: No. A short idea is enough; the agent can draft a scene-structured script.
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• Q: Can I assign multiple character voices?
  A: Yes. You can set voices per scene or line and add emotional cues.
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• Q: Can I use my own footage with AI-generated scenes?
  A: Yes. Upload clips and instruct where to place them; the agent blends them in.
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• Q: How long does a 3-minute video take to draft?
  A: Typically a few minutes to assemble and render a preview.
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• Q: Can I switch between portrait and landscape without re-editing?
  A: Yes. One click reframes shots and rescales captions for the new format.
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• Q: What export settings are supported?
  A: 1080p, 2K, or 4K resolutions at 30fps or 60fps.
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• Q: Can I change lines without rebuilding the whole video?
  A: Yes. Edit lines and regenerate audio only for the changes.
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• Q: Are caption styles customizable?
  A: Yes. Choose from multiple styles; timing and placement auto-adjust.
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