Comp 4010 2021 Snap Tutorial 2
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The document is a tutorial for using Snap Lens Studio, focusing on adding interactive features such as sound playback with visual scripting and augmented reality overlays. It outlines methods for marker tracking, including steps for selecting image markers, adding tracking and lighting, as well as surface tracking setup. Additionally, it provides an example of using a portal template for AR experiences.
Comp 4010 2021 Snap Tutorial 2
- 1. SNAP LENS STUDIO Tutorial 2 Mark Billinghurst [email protected]
- 3. Using Existing Scripts • Goal: Play a sound when mouth opens • Can use existing script for this
- 4. Method 1. Load Visual Scripting template 2. Find ideal script 3. Export script 4. Load into project 5. Set parameters 6. Done
- 6. Select Desired Visual Script • Select Tap to Play Sound Visual Script
- 7. Export Script • Right click on Visual Script • Select Export • Save to desired location • Creates a .lsscript file
- 8. Load Into Project • Open Project • Drag script into resources • Drag in other resources needed • Add script to Manager Object • Add resource to input form
- 9. Add MouthOpenInput Event • Open Tap to Play Script • Add MouthOpenEvent node • Wire it to NullCheck node
- 10. Demo • Open mouth to play sound..
- 11. AR OVERLAY
- 12. Snap AR Overlay • Several methods for AR overlay • Face tracking • Body tracking • Marker tracking • World tracking
- 13. Example: Simple Marker Tracking •Key Steps • 1. Select image markers • 2. Add marker tracking • 3. Add lights to markers • 4. Add objects to markers • 5. Add behaviours (optional) • 6. Done
- 14. 1. Image Tracking Markers • Find images that have good contrast, clarity (e.g. Vuforia markers)
- 15. Add Images to Project • Create Marker folder • Drag images into resource folder • Rename images (if needed)
- 16. 2. Add marker tracking • Add image tracking object to scene • Select image tracking option • Rename marker
- 17. Add second tracking marker • Add second marker • Attach to second image • Rename marker
- 18. 3. Add Lights • Move the existing lights under marker • Attaches to marker • Do for both markers
- 19. 4. Add Objects to Markers • Add sphere and box objects • Drag under marker object • Attaching to the marker • Create material properties • Add materials to objects
- 20. 6. Done
- 22. Marker Overlay Template • Click video and guide for more information
- 24. Example: Surface Tracking •Key Steps 1. Attach surface tracker to camera 2. Create scene object 3. Add shadows 4. Done
- 25. Attach Surface Tracker to Camera • Select camera • Hit + on inspector • Select tracking • Add device tracking • Set Tracking Mode to Surface • Select Use Native AR
- 26. Create Scene Object • Add new scene object to scene • Add new sphere to scene • Drag under scene object • Add PBR material to resource • Set colour, add to sphere • Position sphere above ground
- 27. Add Shadows • Select sphere • Set Shadow mode to Caster • Set Shadow colour • Add shadow plane to scene • Place under sphere • Set Shadow mode to Receiver • Move plane to under sphere in 3D scene • Select Light • Check Shadows box • Select Shadow colour
- 28. Test • Tap to place sphere on plane • Move around to see shadows
- 29. Look Around – World Tracking Set camera to Rotation tracking - Add Device Tracking to Camera
- 31. Setting up the Camera • Select camera • Add device tracking • Set Tracking Mode to rotation
- 32. Demo • Rotate phone to see models
- 33. Surface Fixed Portal • Use Portal Template • Place object in real world • Walk into space when close
- 35. Demo
- 37. Questions?