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feat(editor): brush radius circle indicator on terrain

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- Yellow circle renders at cursor position showing brush radius
- Visible in Sculpt, Paint, and Water modes
- Built from 48-segment quad strip slightly above terrain surface
- Renders through the water pipeline (alpha-blended, depth-tested)
- Disappears when cursor leaves terrain or in Object/NPC modes
- Brush VB cleaned up properly on shutdown
This commit is contained in:
Kelsi 2026-05-05 04:10:46 -07:00
parent d28c5ec842
commit 6e24e08818
4 changed files with 95 additions and 0 deletions
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8
tools/editor/editor_app.cpp
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@ -386,6 +386,13 @@ void EditorApp::updateTerrainEditing(float dt) {
viewport_.clearGhostPreview();
}
// Brush circle indicator for sculpt/paint/water modes
if (mode_ == EditorMode::Sculpt || mode_ == EditorMode::Paint || mode_ == EditorMode::Water) {
viewport_.setBrushIndicator(hitPos, terrainEditor_.brush().settings().radius, true);
} else {
viewport_.setBrushIndicator(hitPos, 0, false);
}
if (painting_ && terrainEditor_.brush().settings().mode == BrushMode::Flatten) {
static bool flattenSet = false;
if (!flattenSet) {
@ -396,6 +403,7 @@ void EditorApp::updateTerrainEditing(float dt) {
}
} else {
terrainEditor_.brush().setActive(false);
viewport_.setBrushIndicator({}, 0, false);
viewport_.clearGhostPreview();
}
}