chore: more abstraction and other refactors

src/other/Shake.hpp

@@ -0,0 +1,20 @@
+#include <hyprutils/math/Vector2D.hpp>
+#include <vector>
+
+using namespace Hyprutils::Math;
+
+class CShake {
+  public:
+    /* calculates the new zoom factor for the current pos */
+    double update(Vector2D pos);
+
+  private:
+    /* tracks the global software lock issued by cursor shaking */
+    bool software = false;
+
+    /* ringbuffer for last samples */
+    std::vector<Vector2D> samples;
+    /* we also store the distance for each sample to the last, so we do only compute this once */
+    std::vector<double> samples_distance;
+    int samples_index = 0;
+};