| Package | com.degrafa.geometry.utilities |
| Class | public class GeometryUtils |
| Method | Defined by | ||
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barycenter(a:Number, b:Number, c:Number, t:Number):Number
[static]
Calculates the barycenter of a quadratic bezier curve.
| GeometryUtils | ||
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bezierBounds(x:Number, y:Number, cx:Number, cy:Number, x1:Number, y1:Number):Rectangle
[static]
Return the tight bounding rectangle for a bezier curve.
| GeometryUtils | ||
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cubicToQuadratic(p1x:Number, p1y:Number, c1x:Number, c1y:Number, c2x:Number, c2y:Number, p2x:Number, p2y:Number, k:Number, commandStack:CommandStack):void
[static]
CubicToQuadratic
Approximates a cubic bezier with as many quadratic bezier segments (n) as required to achieve a specified tolerance. | GeometryUtils | ||
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degressToRadius(angle:Number):Number
[static]
Convert Degress to radius.
| GeometryUtils | ||
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lineIntersects(p1:Point, p2:Point, p3:Point, p4:Point):Point
[static]
LineIntersects
Returns the point of intersection between two lines
| GeometryUtils | ||
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midPoint(p1:Point, p2:Point):Point
[static]
MidPoint
Returns the midpoint Point of 2 Point structures
| GeometryUtils | ||
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perimeter(x:Number, y:Number, cx:Number, cy:Number, x1:Number, y1:Number):Number
[static]
Calculates the perimeter of a quadratic bezier curve
| GeometryUtils | ||
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pointOnQuadraticCurve(t:Number, x:Number, y:Number, cx:Number, cy:Number, x1:Number, y1:Number):Object
[static]
Returns a point on a quadratic bezier curve.
| GeometryUtils | ||
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radiusToDegress(angle:Number):Number
[static]
Convert radius to degrees.
| GeometryUtils | ||
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rotatePoint(value:Point, angle:Number):Point
[static]
Rotate a point by a degrees.
| GeometryUtils | ||
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rotatePointOnCenterPoint(point:Point, centerPoint:Point, degrees:Number):Point
[static]
Rotate a point around a given center point by degrees.
| GeometryUtils | ||
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roundTo(input:Number, digits:Number):Number
[static]
Round a number a specified number of decimal places.
| GeometryUtils | ||
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splitBezier(p1:Point, c1:Point, c2:Point, p2:Point):Object
[static]
SplitBezier
Divides a cubic bezier curve into two cubic bezier curve definitions
| GeometryUtils | ||
| barycenter | () | method |
public static function barycenter(a:Number, b:Number, c:Number, t:Number):NumberCalculates the barycenter of a quadratic bezier curve.
Parametersa:Number — A number indicating the start axis coordinate.
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b:Number — A number indicating the control axis coordinate.
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c:Number — A number indicating the end axis coordinate.
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t:Number — A number indicating the accuracy.
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Number — The barycenter of the given points.
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| bezierBounds | () | method |
public static function bezierBounds(x:Number, y:Number, cx:Number, cy:Number, x1:Number, y1:Number):RectangleReturn the tight bounding rectangle for a bezier curve.
Parametersx:Number — A number indicating the starting x-axis coordinate.
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y:Number — A number indicating the starting y-axis coordinate.
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cx:Number — A number indicating the control x-axis coordinate.
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cy:Number — A number indicating the control y-axis coordinate.
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x1:Number — A number indicating the ending x-axis coordinate.
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y1:Number — A number indicating the ending y-axis coordinate.
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Rectangle — The bounds rectangle for the bezier curve.
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| cubicToQuadratic | () | method |
public static function cubicToQuadratic(p1x:Number, p1y:Number, c1x:Number, c1y:Number, c2x:Number, c2y:Number, p2x:Number, p2y:Number, k:Number, commandStack:CommandStack):voidCubicToQuadratic
Approximates a cubic bezier with as many quadratic bezier segments (n) as required to achieve a specified tolerance.
Parametersp1x:Number — first endpoint x coord
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p1y:Number — first endpoint y coord
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c1x:Number — 1st control point x coord
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c1y:Number — 1st control point y coord
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c2x:Number — 2nd control point x coord
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c2y:Number — 2nd control point y coord
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p2x:Number — last endpoint x coord
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p2y:Number — last endpoint y coord
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k:Number — tolerance (low number = most accurate result)
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commandStack:CommandStack — will contain the path of quadratic bezier curves that closely approximates the original cubic bezier curve
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| degressToRadius | () | method |
public static function degressToRadius(angle:Number):NumberConvert Degress to radius.
Parametersangle:Number — A angle value to convert.
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Number — The resulting number converted to a radius.
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| lineIntersects | () | method |
public static function lineIntersects(p1:Point, p2:Point, p3:Point, p4:Point):PointLineIntersects Returns the point of intersection between two lines
Parametersp1:Point — p2 (Point) line 1 point struct
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p2:Point — p4 (Point) line 2 point struct
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p3:Point |
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p4:Point |
Point — Point (Point object of intersection)
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| midPoint | () | method |
public static function midPoint(p1:Point, p2:Point):PointMidPoint Returns the midpoint Point of 2 Point structures
Parametersp1:Point — Point Struc 1
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p2:Point — Point Struc 2
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Point — Point (the midpoint of the 2 points)
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| perimeter | () | method |
public static function perimeter(x:Number, y:Number, cx:Number, cy:Number, x1:Number, y1:Number):NumberCalculates the perimeter of a quadratic bezier curve
Parametersx:Number — A number indicating the starting x-axis coordinate.
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y:Number — A number indicating the starting y-axis coordinate.
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cx:Number — A number indicating the control x-axis coordinate.
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cy:Number — A number indicating the control y-axis coordinate.
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x1:Number — A number indicating the ending x-axis coordinate.
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y1:Number — A number indicating the ending y-axis coordinate.
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Number — The perimeter distance for the bezier curve.
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| pointOnQuadraticCurve | () | method |
public static function pointOnQuadraticCurve(t:Number, x:Number, y:Number, cx:Number, cy:Number, x1:Number, y1:Number):ObjectReturns a point on a quadratic bezier curve.
Parameterst:Number |
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x:Number |
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y:Number |
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cx:Number |
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cy:Number |
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x1:Number |
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y1:Number |
Object |
| radiusToDegress | () | method |
public static function radiusToDegress(angle:Number):NumberConvert radius to degrees.
Parametersangle:Number — A angle radius to convert.
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Number — The resulting number converted to degress.
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| rotatePoint | () | method |
public static function rotatePoint(value:Point, angle:Number):PointRotate a point by a degrees.
Parametersvalue:Point — The point to rotate.
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angle:Number — A radius to rotate.
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Point — The transformed Point point object.
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| rotatePointOnCenterPoint | () | method |
public static function rotatePointOnCenterPoint(point:Point, centerPoint:Point, degrees:Number):PointRotate a point around a given center point by degrees.
Parameterspoint:Point — The point to rotate.
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centerPoint:Point — the center point that point should be roatated around.
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degrees:Number — A radius to rotate.
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Point — The transformed Point point object.
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| roundTo | () | method |
public static function roundTo(input:Number, digits:Number):NumberRound a number a specified number of decimal places.
Parametersinput:Number — The number to round.
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digits:Number — The number of deciaml points to round to.
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Number — The resulting rounded number.
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| splitBezier | () | method |
public static function splitBezier(p1:Point, c1:Point, c2:Point, p2:Point):ObjectSplitBezier Divides a cubic bezier curve into two cubic bezier curve definitions
Parametersp1:Point — (Point) endpoint 1
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c1:Point — (Point) control point 1
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c2:Point — (Point)control point 2
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p2:Point — (Point) endpoint 2
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Object — Object (object with two cubic bezier definitions, b0 and b1)
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