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zoom limits

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This commit is contained in:
Dustin Carlino 2020-01-09 15:57:34 -06:00
parent f6274e566d
commit 1d379e8315
1 changed files with 6 additions and 1 deletions
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7
ezgui/src/canvas.rs
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@ -80,7 +80,12 @@ impl Canvas {
if let Some(scroll) = input.get_mouse_scroll() {
let old_zoom = self.cam_zoom;
self.cam_zoom = 1.1_f64.powf(old_zoom.log(1.1) + scroll);
// By popular request, some limits ;)
// TODO But based on map size
self.cam_zoom = 1.1_f64
.powf(old_zoom.log(1.1) + scroll)
.max(0.05)
.min(150.0);
// Make screen_to_map of cursor_{x,y} still point to the same thing after zooming.
self.cam_x =