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Prevent division by 0

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This commit is contained in:
Yousef Khadadeh 2025-10-04 09:29:29 +03:00
parent 01d6270b62
commit 24e7ce555a
1 changed files with 10 additions and 8 deletions
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18
src/DrawCamera.cpp
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@ -139,15 +139,17 @@ void DrawCamera::update_main(World& w) {
// Ignore the value of scrollAmount, since that leads to problems on macOS
WorldScalar zoomFactor(1.0 + w.main.toolbar.scrollZoomSpeed);
if(w.main.input.mouse.scrollAmount.y() < 0.0)
zoomFactor = WorldScalar(1) / zoomFactor;
if(zoomFactor != WorldScalar(0)) {
if(w.main.input.mouse.scrollAmount.y() < 0.0)
zoomFactor = WorldScalar(1) / zoomFactor;
c.scale(zoomFactor);
if(c.inverseScale < WorldScalar(0.0001))
c.inverseScale = WorldScalar(0.0001);
else {
WorldVec mVec = c.pos - w.get_mouse_world_pos();
c.pos = w.get_mouse_world_pos() + mVec / zoomFactor;
c.scale(zoomFactor);
if(c.inverseScale < WorldScalar(0.0001))
c.inverseScale = WorldScalar(0.0001);
else {
WorldVec mVec = c.pos - w.get_mouse_world_pos();
c.pos = w.get_mouse_world_pos() + mVec / zoomFactor;
}
}
}
if(w.main.input.key(InputManager::KEY_CAMERA_ROTATE_COUNTERCLOCKWISE).held && !w.main.input.text.get_accepting_input()) {