feat: Turtle.StepCurve ( Fixes #329 )

Author: StartAutomating

Turtle.types.ps1xml

@@ -4716,6 +4716,39 @@ if ($DeltaX -or $DeltaY) {
     }
 }
 
+return $this
+
+                    </Script>
+      </ScriptMethod>
+      <ScriptMethod>
+        <Name>StepCurve</Name>
+        <Script>
+                        &lt;#
+.SYNOPSIS
+    Takes a curved step 
+.DESCRIPTION
+    Makes a relative movement with a curve.
+.EXAMPLE
+    turtle viewbox 20 teleport 10 0 stepCurve 5 5 stepCurve -5 0 stepCurve 0 -5 closepath
+#&gt;
+param(
+# The DeltaX
+[double]$DeltaX = $(Get-Random -Min 0 -Max 100.0), 
+# The DeltaY
+[double]$DeltaY = $(Get-Random -Min 0 -Max 100.0)
+)
+
+# If both coordinates are empty, there is no step
+if ($DeltaX -or $DeltaY) {
+    
+    $this.Position = $DeltaX, $DeltaY
+    if ($This.IsPenDown) {
+        $this.Steps.Add(" t $deltaX $deltaY")
+    } else {
+        $this.Steps.Add(" m $DeltaX $DeltaY")
+    }
+}
+
 return $this
 
                     </Script>