hard20 pts · first answer countsrenderingshadows

Striped shadow artefacts

Lit surfaces show stripes of self-shadowing (shadow acne). Raising depth bias fixes it but shadows now detach from object feet. What is going on?

A.The shadow map uses too many cascades; use oneB.Shadows need a higher light intensityC.Limited shadow map resolution causes acne; too much bias causes peter-panning, so balance depth and normal-offset bias and tighten the shadow frustumD.The light is static and must be baked

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Striped shadow artefacts

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