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logo-samoyed-mascot InstancedMesh2

Shadow LOD

Shadow LOD reduces the detail of the geometry used to cast shadows for distant instances, saving GPU time during shadow rendering.

iMesh.addShadowLOD(new BoxGeometry(2, 2, 2));
iMesh.addShadowLOD(new TorusKnotGeometry(0.8, 0.2, 32, 8), 80);
iMesh.addShadowLOD(new TorusGeometry(0.8, 0.2, 32, 8), 110);

The metric and hysteresis behave like LOD.

iMesh.updateShadowLOD(1, 100);
iMesh.updateAllShadowLOD([80, 110]);