Types/Turtle/QuadraticBezierCurve.ps1
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<# .SYNOPSIS Draws a quadratic Bezier Curve .DESCRIPTION Draws a quadratic Bezier curve. .EXAMPLE turtle QuadraticBezierCurve 0 -100 100 -100 save ./q.svg .EXAMPLE turtle QuadraticBezierCurve 0 -100 100 -100 QuadraticBezierCurve 100 100 100 100 save ./q2.svg .EXAMPLE turtle @( 'QuadraticBezierCurve', 0, -100, 100, -100 'QuadraticBezierCurve', 100, 100, 100, 100 'QuadraticBezierCurve', 0, 100, -100, 100 ) save ./q3.svg .EXAMPLE turtle @( 'QuadraticBezierCurve', 0, -100, 100, -100 'QuadraticBezierCurve', 100, 0, 100, 100 'QuadraticBezierCurve', 0, 100, -100, 100 'QuadraticBezierCurve', -100, 0, -100, -100 ) save ./q4.svg #> param( # The X control point [double] $ControlX, # The Y control point [double] $ControlY, # The delta X [double] $DeltaX, # The delta Y [double] $DeltaY ) if ($DeltaX -or $DeltaY) { $this.Position = $DeltaX, $DeltaY # If the pen is down if ($this.IsPenDown) { # draw the curve $this.Steps.Add("q $ControlX $ControlY $DeltaX $DeltaY") } else { # otherwise, move to the deltaX/deltaY $this.Steps.Add("m $DeltaX $DeltaY") } } return $this |