Fix warnings

Author: ufechner7

examples/reel_out_1p.jl

@@ -62,7 +62,6 @@ function simulate(integrator, steps, plot=false)
                     y_axis_2 = z_max + 5.0
                     y_low = min(y_axis_1, y_axis_2) + 0.5
                     y_high = max(y_axis_1, y_axis_2) - 0.5
-                    y_label = clamp(z_kite - 14.0, y_low, y_high)
                 end
                 plot2d(kps3.pos, reltime; zoom=ZOOM, front=FRONT_VIEW, 
                                         segments=set.segments, fig="side_view", xlim=(0,120), dx=1.0)

examples/rotations.jl

@@ -10,7 +10,8 @@ if dirname(Pkg.project().path) != @__DIR__
     Pkg.activate(@__DIR__)
     using StaticArrays
 end
-using LinearAlgebra, KiteUtils.Rotations
+using KiteUtils.Rotations, LinearAlgebra
+using KiteUtils: rot3d
 
 # kite reference frame; positions in ENU coordinates
 # wind from west, nose to west, kite at zenith

examples/steering_test_1p.jl

@@ -58,7 +58,6 @@ function simulate(integrator, steps; plot=false)
     iter = 0
     steering = K*0.1
     set_depower_steering(kps3.kcu, kps3.depower, 0)
-    last_heading = 0.0
     heading = 0.0
     for i in 1:steps
         reltime = i*dt-dt

examples/steering_test_4p.jl

@@ -60,7 +60,6 @@ function simulate(integrator, steps; plot=false)
     iter = 0
     steering = 0.1
     set_depower_steering(kps4.kcu, kps4.depower, 0)
-    last_heading = 0.0
     heading = 0.0
     for i in 1:steps
         reltime = i*dt-dt