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Sun Corona

Add animated, additive glow and discharges around the edge of the photosphere.

Shader menu · FORGE3D/Planets HD/Sun Corona

Sun Red with a bright rim from the stock corona material

Before · Corona Boost 49.69 at fixed EV 3.5.

Paths are relative to Assets/FORGE3D/Planets HDRP.

Select the StarCoronaPlate children on Prefabs/Sun_Red.prefab. They use Sun/Materials/Sun_Corona_Red_01.mat.

GroupInspector setting and property IDWhat it changes
Color and emissionCorona Color _CoronaColor, Corona Boost _CoronaBoost, Corona Falloff _CoronaFalloffTint the glow and tune the strength and shape of its radial mask.
AnimationCorona Map _CoronaMap, Corona Speed _CoronaSpeed, Discharge Pan Speed _DischargePanSpeedSupply the R/G corona and storm patterns and set how they move.
GroupInspector setting and property IDWhat it changes
SurfaceCorona Tile X _CoronaTileX, Corona Tile Y _CoronaTileY, Corona Fluid Influence _CoronaFluidInfluenceAdjust pattern scale and the amount of shifting detail.
TransparencyEdge Fade Falloff _EdgeFadeFalloff, Edge Fade Boost _EdgeFadeBoost, Depth Fade _DepthFadeShape the plate’s view-angle fade and depth interaction. Preserve the preset when framing a star at its original scale.

Put one copied material on the matching corona plates and compare Corona Boost 49.69 and 0. The corona fades while the photosphere and atmosphere materials remain assigned.

Sun Red with the corona mask muted and the core still visible

After · Corona Boost 0 with the same fixed Exposure.

Sun and Corona · Sun shader · Shader Reference