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fix(terrain): NaN guards on createCrater and createMesa

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Same defensive pattern as createHill — NaN center/radius would
short-circuit dist comparisons and apply the height delta to every
vertex on every chunk. Reject upfront.
This commit is contained in:
Kelsi 2026-05-06 07:40:29 -07:00
parent f484b742db
commit 7e48658ab1
1 changed files with 6 additions and 0 deletions
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6
tools/editor/terrain_editor.cpp
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@ -826,6 +826,9 @@ void TerrainEditor::carveRiver(const glm::vec3& start, const glm::vec3& end,
void TerrainEditor::createCrater(const glm::vec3& center, float radius, float depth, float rimHeight) {
if (!terrain_) return;
if (!std::isfinite(center.x) || !std::isfinite(center.y) ||
!std::isfinite(radius) || radius <= 0.0f ||
!std::isfinite(depth) || !std::isfinite(rimHeight)) return;
recordGeneratorUndo();
for (int ci = 0; ci < 256; ci++) {
@ -869,6 +872,9 @@ void TerrainEditor::createCrater(const glm::vec3& center, float radius, float de
void TerrainEditor::createMesa(const glm::vec3& center, float radius, float height, float edgeSteepness) {
if (!terrain_) return;
if (!std::isfinite(center.x) || !std::isfinite(center.y) ||
!std::isfinite(radius) || radius <= 0.0f ||
!std::isfinite(height) || !std::isfinite(edgeSteepness)) return;
recordGeneratorUndo();
for (int ci = 0; ci < 256; ci++) {
auto& chunk = terrain_->chunks[ci];