Tune flames to look closer to the CPU load

Before this change, 100% CPU load looked like maybe 85% judging by flame height. With this change in place, 100% CPU load looks like 100% flame height.
walles · Jul 8, 2023 · d21dd14 · d21dd14
1 parent 05ab897
commit d21dd14
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/libloadviz/screenshot.webp b/libloadviz/screenshot.webp
diff --git a/libloadviz/src/renderer.rs b/libloadviz/src/renderer.rs
@@ -227,7 +227,10 @@ impl Renderer {
         let cooling_factor = if y_from_bottom_0_to_1 > bottom_cooling_layer_thickness_0_to_1 {
             // Cool based on the percentage of the flame height. This looks better in general.
             let fraction_of_current_height = y_from_bottom_0_to_1 / cpu_load.user_0_to_1;
-            1.0 - fraction_of_current_height
+
+            // "0.7" makes 100% load look like 100% flame height. Without that
+            // factor, 100% load looked like maybe 80% flame height.
+            1.0 - fraction_of_current_height * 0.7
         } else {
             // Cool based on a fraction of the image height. This looks better
             // for low CPU loads / flame heights.

diff --git a/macos/loadviz.icns b/macos/loadviz.icns