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Make directional light follow camera rotation #328

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Merged
donkeyProgramming merged 1 commit into from
Apr 13, 2026
Merged

Make directional light follow camera rotation #328

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11 changes: 8 additions & 3 deletions GameWorld/View3D/Components/Rendering/CommonShaderParameterBuilder.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,15 +7,20 @@ internal static class CommonShaderParameterBuilder
{
public static CommonShaderParameters Build(ArcBallCamera camera, SceneRenderParametersStore sceneLightParameters)
{
// Light follows camera rotation for better model visibility
float dirLightRotX = MathHelper.ToRadians(sceneLightParameters.DirLightRotationDegrees_X) + camera.Pitch;
float dirLightRotY = MathHelper.ToRadians(sceneLightParameters.DirLightRotationDegrees_Y) + camera.Yaw;
float envLightRotY = MathHelper.ToRadians(sceneLightParameters.EnvLightRotationDegrees_Y) + camera.Yaw;

var commonShaderParameters = new CommonShaderParameters(
camera.ViewMatrix,
camera.ProjectionMatrix,
camera.Position,
camera.LookAt,

MathHelper.ToRadians(sceneLightParameters.EnvLightRotationDegrees_Y),
MathHelper.ToRadians(sceneLightParameters.DirLightRotationDegrees_X),
MathHelper.ToRadians(sceneLightParameters.DirLightRotationDegrees_Y),
envLightRotY,
dirLightRotX,
dirLightRotY,
sceneLightParameters.LightIntensityMult,

[sceneLightParameters.FactionColour0, sceneLightParameters.FactionColour1, sceneLightParameters.FactionColour2],
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