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Implement Physical Light Units as an optional setting.

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This allows light sources to be specified in physical light units in addition to the regular energy multiplier. In order to avoid loss of precision at high values, brightness values are premultiplied by an exposure normalization value.

In support of Physical Light Units this PR also renames CameraEffects to CameraAttributes.
This commit is contained in:
clayjohn
2022-07-31 16:20:24 -07:00
parent 736632ee7e
commit 385ee5c70b
131 changed files with 2692 additions and 1283 deletions
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editor/plugins/node_3d_editor_gizmos.cpp
+2 -1
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@@ -1365,7 +1365,8 @@ void Light3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_i
void Light3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
Light3D *light = Object::cast_to<Light3D>(p_gizmo->get_spatial_node());
Color color = light->get_color();
Color color = light->get_color().srgb_to_linear() * light->get_correlated_color().srgb_to_linear();
color = color.linear_to_srgb();
// Make the gizmo color as bright as possible for better visibility
color.set_hsv(color.get_h(), color.get_s(), 1);