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feat(editor): ridge/mountain range generator between two points

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- Ridge Generator: creates mountain ranges by setting start and end
  points, with configurable width and height
- Cross-section uses quadratic falloff, along-axis uses sqrt taper
  for natural mountain range silhouette (wider at center, tapering
  at both ends)
- Same start/end workflow as river/road tools
This commit is contained in:
Kelsi 2026-05-05 07:00:05 -07:00
parent d6c58b5dc9
commit 1c58911da0
3 changed files with 61 additions and 0 deletions
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23
tools/editor/editor_ui.cpp
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@ -551,6 +551,29 @@ void EditorUI::renderBrushPanel(EditorApp& app) {
ImGui::TextColored(ImVec4(0.6f, 0.6f, 0.6f, 1), "No stamp copied");
}
if (ImGui::CollapsingHeader("Ridge / Mountain Range")) {
static glm::vec3 ridgeStart{0}, ridgeEnd{0};
static float ridgeWidth = 20.0f, ridgeHeight = 30.0f;
static bool ridgeStartSet = false;
ImGui::SliderFloat("Width##ridge", &ridgeWidth, 5.0f, 80.0f);
ImGui::SliderFloat("Height##ridge", &ridgeHeight, 5.0f, 100.0f);
auto& brushR = app.getTerrainEditor().brush();
if (ImGui::Button("Set Start##ridge", ImVec2(120, 0)) && brushR.isActive()) {
ridgeStart = brushR.getPosition();
ridgeStartSet = true;
app.showToast("Ridge start set");
}
ImGui::SameLine();
if (ImGui::Button("Set End + Create##ridge", ImVec2(140, 0)) && brushR.isActive() && ridgeStartSet) {
ridgeEnd = brushR.getPosition();
app.getTerrainEditor().createRidge(ridgeStart, ridgeEnd, ridgeWidth, ridgeHeight);
app.showToast("Ridge created");
ridgeStartSet = false;
}
if (ridgeStartSet)
ImGui::TextColored(ImVec4(0.5f, 0.9f, 0.5f, 1), "Start set");
}
if (ImGui::CollapsingHeader("Hill Generator")) {
static float hillRadius = 40.0f, hillHeight = 25.0f;
ImGui::SliderFloat("Radius##hill", &hillRadius, 10.0f, 150.0f);