Particles
Particulate Matter
Particulate Matter is a particle-driven audio-reactive scene in BeamTracer Audio Visualizers. Shape its response in your browser with settings, audio modulation, presets, and tips.
Particulate Matter is a particle-driven audio-reactive scene in the Particles category. Open it from the left visualizer list, start an audio source, and use the settings panel to shape its response.
Open Particulate Matter
Launch the visualizer with its matching left-nav entry selected.
Quick start
- Start the demo track, choose a local audio file, or enable a live input.
- Try a preset or style first, then open the section for the part of the image you want to change.
- On a control with Assign modulation, open the source picker, choose a signal, and watch the slider's live fill.
- Use Reset to Defaults whenever you want to return to the original look.
Audio modulation
On a control with Assign modulation, select the activity icon to open Modulate with. Choose a named source, or choose — None to leave the control unmodulated. After you assign one, its name appears below the slider; select that name to edit the route, or use Clear modulation to remove it. The slider track shows the live signal reaching the control.
| Modulated control | Section | What the route changes |
|---|---|---|
| Point Size | Core | Sets the visible point size. |
| Scale | Core | Sets the visual scale. |
| Bloom Strength | Material | Sets the visible bloom strength. |
| Bloom Threshold | Material | Sets the level that must be crossed before bloom appears. |
| Opacity | Material | Sets the overall transparency. |
| Saturation | Colors | Moves colors from muted toward vivid. |
| Brightness | Colors | Sets the visible strength of brightness. |
| Hue Speed | Colors | Sets how quickly hue changes or moves. |
| Hue Speed | Colors | Sets how quickly hue changes or moves. |
| Hue Speed | Colors | Sets how quickly hue changes or moves. |
| Displacement Intensity | Animation | Controls how far the shape moves away from its base surface. |
| Rotation Speed | Animation | Sets how quickly rotation changes or moves. |
| Tumble Speed | Animation | Sets how quickly tumble changes or moves. |
| Morph Speed | Animation | Sets how quickly morph changes or moves. |
Settings reference
Core
| Setting | Available values | What it changes |
|---|---|---|
| Surface | SEASHELL, NAUTILUS, MÖBIUS, KLEIN, STEINER, DINI, TREFOIL, SPIRAL, TORUS | Chooses the surface mode or style. |
| Seashell Decay | 2–10 | Sets how long seashell decay remains visible. |
| Klein Radius | 0.2–3 | Sets the visible klein radius. |
| Dini A | 0.1–2 | Sets the overall size of the Dini surface; higher values make a larger shape with a taller sweep at the narrow end. Available when Surface is Dini. |
| Dini B | 0.05–1 | Sets how much the Dini surface stretches along its height as it twists; higher values pull the spiral out into a taller, more open coil. Available when Surface is Dini. |
| Spiral Radius | 0.5–5 | Sets the visible spiral radius. |
| Torus Radius | 0.5–5 | Sets the visible torus radius. |
| Point Count | 10000–500000 | Sets how many visible elements are drawn. |
| Point Size | 0.001–0.05 | Sets the visible point size. Use Assign modulation to choose a source. |
| Scale | 0.5–20 | Sets the visual scale. Use Assign modulation to choose a source. |
| Size Attenuation | On / Off | On makes distant points smaller; Off keeps point size fixed on screen. Changes apply during playback. Increase Point Size or zoom in if the choices look alike at the smallest size. |
Material
| Setting | Available values | What it changes |
|---|---|---|
| Bloom | On / Off | Turns bloom on or off. |
| Bloom Strength | 0–3 | Sets the visible bloom strength. Use Assign modulation to choose a source. |
| Bloom Threshold | 0–1 | Sets the level that must be crossed before bloom appears. Use Assign modulation to choose a source. |
| Opacity | 0.1–1 | Sets the overall transparency. Use Assign modulation to choose a source. |
Colors
| Setting | Available values | What it changes |
|---|---|---|
| Color Mode | UV, HEIGHT, RAINBOW, SOLID | Chooses the color mode or style. |
| Base Hue | 0–1 | Moves the color around the color spectrum. |
| Saturation | 0–1 | Moves colors from muted toward vivid. Use Assign modulation to choose a source. |
| Brightness | 0.1–1 | Sets the visible strength of brightness. Use Assign modulation to choose a source. |
| Solid Color | Color | Sets the solid color. |
| Auto Hue | On / Off | Turns auto hue on or off. |
| Hue Speed | 0.01–1 | Sets how quickly hue changes or moves. Use Assign modulation to choose a source. |
| Hue Animation | On / Off | Turns hue animation on or off. |
| Hue Speed | 0.01–1 | Sets how quickly hue changes or moves. Use Assign modulation to choose a source. |
| Background | Color | Sets the background. |
| Auto Hue | On / Off | Turns auto hue on or off. |
| Hue Speed | 0.01–1 | Sets how quickly hue changes or moves. Use Assign modulation to choose a source. |
Audio
| Setting | Available values | What it changes |
|---|---|---|
| Master Gain | 0x–3x | Sets how strongly the input signal affects master. |
| Bass Intensity | 0x–3x | Sets the visible bass intensity. |
| Mid Intensity | 0x–3x | Sets the visible mid intensity. |
| High Intensity | 0x–3x | Sets the visible high intensity. |
| Smoothing | 0–0.99 | Balances immediate audio response against steadier motion. |
Animation
| Setting | Available values | What it changes |
|---|---|---|
| Displacement | SPECTRUM, NONE, RADIAL, NORMAL, WAVE | Chooses the displacement mode or style. |
| Displacement Intensity | 0–2 | Controls how far the shape moves away from its base surface. Use Assign modulation to choose a source. |
| Rotation Speed | 0x–3x | Sets how quickly rotation changes or moves. Use Assign modulation to choose a source. |
| Tumble Speed | 0x–3x | Sets how quickly tumble changes or moves. Use Assign modulation to choose a source. |
| Morph Speed | 0.2x–5x | Sets how quickly morph changes or moves. Use Assign modulation to choose a source. |
| Morph Easing | EASE OUT, EASE I/O, LINEAR, ELASTIC, BOUNCE | Chooses the morph easing mode or style. |
Some controls appear only after you enable a related mode or style. The settings panel always reflects the options available for the current selection.
Tips for a better audio visualization
- Let bass control particle scale or spread, while highs drive sparkle or trail detail for a clearer sense of depth.
- Try assigning Bass to Point Size, then compare Mid, High, and Volume while the demo track plays. The slider's live fill shows the signal reaching that control.