Advanced 3D lighting

Easy way to control 3D Light

Create Realistic Volumetric Light

Create Light Wrap

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https://www.youtube.com/watch?v=frXQxwMKh6c⁠

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Create a text → R click → tick 3D Layer

Create a Solid → grey color, rename as floor, place below text, enable 3D Layer icon

Create a Solid → black color, rename as background (BG), below floor

Create a camera, 2d node, 28mm

Create a Point light, place behind the text → AA → reduce Shadow darkness and diffusion

In text layer → AA to turn on material option → turn on Cast Shadows

In Fast Preview icon → Renderer Option → Change resolution to 500 (speed up rendering preview)

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To create volumetric light:

Create a soild, rename as Light source, color white → select Ellipse tool (Q), draw a small circle in center (hold Ctrl+Alt+Shift for perfect shape) →

enable 3D layer on light source layer →

AA → turn off Accepts Lights (so no shadow won’t casted on the layer)

Create an adjustment layer → rename as Volume Light → apply effect Radial Fast Blur on it → Zoom: Brightness, Amount boost to 85

Create Null object, enable 3D icon → rename as Point → position it behind the Volume Light/Light Source

Go to Volume Light layer menu, hold Alt to select center stopwatch → drag the parent link icon to Point layer, then type script expression:

thisComp.layer("Point").toComp([0,0,0])⁠

(to make radial fast blur effect from 3d point to 2d position)

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Effect (top bar) → Color Correction → Curves, place it above radial fast effect in the Volume light layer menu

→

in the curves, compress the dynamic range until only see the white light (so that the effect only on the white light, not on floor or on text)

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Add another curve below Radial Fast Blur → change the curve in blue and red channel to give different color light effect

Change the Volume Light layer Mode from Normal to Screen

Further polishing : 8:00

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