nexoniarz/Fry3DX
Watch
1
0
Fork
You've already forked Fry3DX
 0
mirror of https://github.com/Nexoniarz/Fry3DX.git synced 2026-11-04 04:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity

Camera: fly or orbit (View > Camera, Shift+C, kept): orbiting turns round what you look at on a right drag and the wheel zooms; the hints follow it; the site's 0.8 (getting round, smoother); fry_where for trying it

Browse source 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-21 10:02:04 +02:00
commit d313a9452a
7 changed files with 31 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/app_view.cpp
View file

@ -220,10 +220,11 @@ auto App::updateCamera(ImGuiIO& io) -> void {
const bool rightDown = ImGui::IsMouseDown(ImGuiMouseButton_Right), midDown = ImGui::IsMouseDown(ImGuiMouseButton_Middle);
// Right drag turns the camera where it stands (as in games, Unreal, Unity); Alt + right drag
// turns it round what's picked (or what it looks at). A finger on a phone: round, still.
const bool orbitCamera = fry_camera.i() == 1; // (View > Camera: round what you look at, as in Blender)
if (inView && ImGui::IsMouseClicked(ImGuiMouseButton_Right) && !io.KeyShift) {
if (io.KeyAlt || touch()) {
if (io.KeyAlt || touch() || orbitCamera) {
orbiting_ = true;
if (!selected_.empty() && !touch()) { // (round the middle of what's picked)
if (!selected_.empty() && !touch() && !orbitCamera) { // (round the middle of what's picked)
glm::vec3 lo(1e30f), hi(-1e30f);
for (const Object& o : scene_.objects)
if (selected_.count(o.id)) lo = glm::min(lo, o.position), hi = glm::max(hi, o.position);
@ -258,7 +259,8 @@ auto App::updateCamera(ImGuiIO& io) -> void {
// The wheel moves the camera straight forward or back (where it looks), a fifth of the
// way to what's ahead each notch, but never less than a little of the scene's size: so it
// doesn't creep to a stop in front of a surface (it goes through). In a flat view: closer.
if (view_ != View::Perspective) dist_ = std::clamp(dist_ * std::pow(0.85f, io.MouseWheel), 0.01f, 5000.0f);
// The orbiting camera: closer to (or further from) what it turns round.
if (view_ != View::Perspective || orbitCamera) dist_ = std::clamp(dist_ * std::pow(0.85f, io.MouseWheel), 0.01f, 5000.0f);
else {
float size = 0.0f; // (the biggest object's size: the least step is a little of it)
for (const Object& o : scene_.objects)