DriftEngineRenderer · function
traceReflection
Trace a reflection down the chain, or down its first level alone.
Explained in Hello world.
function traceReflection(surface: ReflectiveSample, resources: GiResources, options: ReflectionOptions, out: IndirectResult): IndirectResultimport { traceReflection } from '@driftengine/core';Parameters
| Parameter | Type | Description |
|---|---|---|
surface | ReflectiveSample | |
resources | GiResources | |
options | ReflectionOptions | |
out | IndirectResult |
In depth
With fallback off, only the screen answers and a miss stays a miss — which is what
screenSpaceReflection.ts has always done and what keeps every published scene where it is.
With it on, a ray leaving the frame continues into the world's distance field and, behind that,
the probes: a mirror at the edge of the picture reflects the world rather than fading to a matte
surface as the camera turns.