Controls
Teacher Mode (Auto Lecture)
Teacher mode ready.
Cue: waiting to start.
Student Guide (Always On)
How To Use This
1. Choose a mode: Raindrop or Regular Prism.
2. Click Animate Rays to make paths easier to track.
3. Use your mouse wheel on the canvas to zoom.
4. In prism mode, click-drag on the canvas to rotate the prism.
5. Read the table and the explanation under the canvas.
Base refractive index: shifts how strongly all colors bend.
Dispersion range: controls separation between red and violet.
Beam height: changes where light enters the prism/drop.
Raindrop radius: changes drop size (raindrop mode only).
Mouse wheel on canvas: zoom in/out around the model center.
Mouse drag on canvas: rotates the triangular prism (prism mode only).
Start Teacher Mode: runs an automatic 8-cue lecture sequence.
Pause: pause/resume the auto-advance timer.
Next Cue: jump to the next talking point immediately.
The current cue text tells you exactly what to say and what students should notice.
Raindrop Model
Projector mode: thick, high-contrast rays.
| Color | λ (nm) | n | Rainbow angle |
|---|