Fix sign

Author: 1-Bart-1

src/kite_geometry.jl

@@ -124,15 +124,15 @@ function create_interpolations(vertices, circle_center_z, radius, gamma_tip)
         leading_edges[1, j] = Inf
         for (i, v) in enumerate(vertices)
             # Rotate y coordinate to check box containment
-            rotated_y = v[2] * cos(gamma) - vz_centered[i] * sin(gamma)
-            if gamma ≤ 0.0 && -0.5 ≤ rotated_y ≤ 0.0
+            rotated_y = v[2] * cos(-gamma) - vz_centered[i] * sin(-gamma)
+            if gamma ≤ 0.0 && 0.0 ≤ rotated_y ≤ 0.5
                 if v[1] > trailing_edges[1, j]
                     trailing_edges[:, j] .= v
                 end
                 if v[1] < leading_edges[1, j]
                     leading_edges[:, j] .= v
                 end
-            elseif gamma > 0.0 && 0.0 ≤ rotated_y ≤ 0.5
+            elseif gamma > 0.0 && -0.5 ≤ rotated_y ≤ 0.0
                 if v[1] > trailing_edges[1, j]
                     trailing_edges[:, j] .= v
                 end