@@ -682,0 +719,4 @@
+  const float height = 2.0;
+  float xy_shift;
+  float y_delta;
+

@@ -707,0 +709,4 @@
+  /* Formula for 'S' curve we use for the "ease" sliders. The shift values move the curve verticaly
+   * or horizontaly. The range of the curve used is from 0 to 1 on "x" and "y" so we can scale it
+   * (width and height) and move it (xshift and y yshift) to crop the part of the curve we need.
+   * Slope determins how curvy the shape is */

@@ -707,0 +714,4 @@
+                (pow((x - xshift), slope) + pow((width - (x - xshift)), slope)) +
+            yshift;
+
+  /* The curve has some noise beyond our margins so we clamp the values */