Class VectorUtils

Provides various tools to work with vector graphics.

Inheritance

Object

VectorUtils

Namespace: Unity.VectorGraphics

Syntax

public static class VectorUtils

Fields

Epsilon

A small value used everywhere by the vector graphics package.

Declaration

public static readonly float Epsilon

Field Value

Type	Description
Single

Methods

ApproximateSceneNodeBounds(SceneNode)

Computes a rough approximation of the node hierarchy bounds.

Declaration

public static Rect ApproximateSceneNodeBounds(SceneNode root)

Parameters

Type	Name	Description
SceneNode	root	The root node of the hierarchy to computes the bounds from

Returns

Type	Description
Rect	An approximation of the root hierarchy axis-aligned bounding-box

Remarks

This will use the control point positions as a rough estimate of the bounds for the paths and shapes.

BezierSegmentsToPath(BezierSegment[])

Converts an array of BezierSegments into a connected path.

Declaration

public static BezierPathSegment[] BezierSegmentsToPath(BezierSegment[] segments)

Parameters

Type	Name	Description
BezierSegment[]	segments	An array of BezierSegment

Returns

Type	Description
BezierPathSegment[]	An array of path segments

Remarks

If two consecutive segments are disconnected, a straight line will be added between the two endpoints.

BezierSegmentToPath(BezierSegment)

Convert a segments into a path.

Declaration

public static BezierPathSegment[] BezierSegmentToPath(BezierSegment segment)

Parameters

Type	Name	Description
BezierSegment	segment	The BezierSegment

Returns

Type	Description
BezierPathSegment[]	An array of two path segments

Remarks

The second path segment will hold the ending position of the curve.

Bounds(IEnumerable<Vector2>)

Computes the bounds of a list of vertices.

Declaration

public static Rect Bounds(IEnumerable<Vector2> vertices)

Parameters

Type	Name	Description
IEnumerable<Vector2>	vertices	The list of vertices to compute the bounds from

Returns

Type	Description
Rect	A Rect containing the axis-aligned bounding-box of the vertices

Bounds(BezierPathSegment[])

Computes the bounds of a bezier path.

Declaration

public static Rect Bounds(BezierPathSegment[] path)

Parameters

Type	Name	Description
BezierPathSegment[]	path	The path to compute the bounds from

Returns

Type	Description
Rect	A Rect containing the axis-aligned bounding-box of the contour

Bounds(BezierSegment, out Vector2, out Vector2)

Computes the bounds of a segment.

Declaration

public static void Bounds(BezierSegment segment, out Vector2 min, out Vector2 max)

Parameters

Type	Name	Description
BezierSegment	segment	The segment to flip
Vector2	min	The output min value of the segment
Vector2	max	The output max value of the segment

BuildRectangleContour(Rect, Vector2, Vector2, Vector2, Vector2)

Builds a BezierContour from a Rectangle.

Declaration

public static BezierContour BuildRectangleContour(Rect rect, Vector2 radiusTL, Vector2 radiusTR, Vector2 radiusBR, Vector2 radiusBL)

Parameters

Type	Name	Description
Rect	rect	The rectangle to build the contour from
Vector2	radiusTL	The top-left radius of the rectangle
Vector2	radiusTR	The top-right radius of the rectangle
Vector2	radiusBR	The bottom-right radius of the rectangle
Vector2	radiusBL	The bottom-left radius of the rectangle

Returns

Type	Description
BezierContour	A BezierContour that follows the rectangle contour

BuildRectangleContour(Rectangle)

Builds a BezierContour from a Rectangle.

Declaration

[Obsolete("Use BuildRectangleContour(Rect,Vector2,Vector2,Vector2,Vector2) instead")]
public static BezierContour BuildRectangleContour(Rectangle rect)

Parameters

Type	Name	Description
Rectangle	rect	The rectangle to build the contour from

Returns

Type	Description
BezierContour	A BezierContour that follows the rectangle contour

BuildSprite(List<VectorUtils.Geometry>, Rect, Single, VectorUtils.Alignment, Vector2, UInt16, Boolean)

Builds a sprite asset from a scene tessellation.

Declaration

public static Sprite BuildSprite(List<VectorUtils.Geometry> geoms, Rect rect, float svgPixelsPerUnit, VectorUtils.Alignment alignment, Vector2 customPivot, ushort gradientResolution, bool flipYAxis = false)

Parameters

Type	Name	Description
List<VectorUtils.Geometry>	geoms	The list of tessellated Geometry instances
Rect	rect	The position and size of the sprite geometry
Single	svgPixelsPerUnit	How many SVG "pixels" map into a Unity unit
VectorUtils.Alignment	alignment	The position of the sprite origin
Vector2	customPivot	If alignment is Custom, customPivot is used to compute the sprite origin
UInt16	gradientResolution	The maximum size of the texture holding gradient data
Boolean	flipYAxis	True to have the positive Y axis to go downward.

Returns

Type	Description
Sprite	A new Sprite containing the provided geometry. The Sprite may have a texture if the geometry has any texture and/or gradients

BuildSprite(List<VectorUtils.Geometry>, Single, VectorUtils.Alignment, Vector2, UInt16, Boolean)

Builds a sprite asset from a scene tessellation.

Declaration

public static Sprite BuildSprite(List<VectorUtils.Geometry> geoms, float svgPixelsPerUnit, VectorUtils.Alignment alignment, Vector2 customPivot, ushort gradientResolution, bool flipYAxis = false)

Parameters

Type	Name	Description
List<VectorUtils.Geometry>	geoms	The list of tessellated Geometry instances
Single	svgPixelsPerUnit	How many SVG "pixels" map into a Unity unit
VectorUtils.Alignment	alignment	The position of the sprite origin
Vector2	customPivot	If alignment is Custom, customPivot is used to compute the sprite origin
UInt16	gradientResolution	The maximum size of the texture holding gradient data
Boolean	flipYAxis	True to have the positive Y axis to go downward.

Returns

Type	Description
Sprite	A new Sprite containing the provided geometry. The Sprite may have a texture if the geometry has any texture and/or gradients

Eval(BezierSegment, Single)

Evaluates the position on a curve segment.

Declaration

public static Vector2 Eval(BezierSegment segment, float t)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment on which to evaluate the position
Single	t	The parametric location on the curve

Returns

Type	Description
Vector2	The position on the curve at parametric location "t"

EvalFull(BezierSegment, Single, out Vector2)

Evalutes both the position and tangent on a curve segment.

Declaration

public static Vector2 EvalFull(BezierSegment segment, float t, out Vector2 tangent)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment on which to evaluate the normal
Single	t	The parametric location on the curve
Vector2	tangent	The output tangent at parametric location "t"

Returns

Type	Description
Vector2	The position on the curve at parametric location "t"

Remarks

This is more efficient than calling "Eval" and "EvalTangent" successively.

EvalFull(BezierSegment, Single, out Vector2, out Vector2)

Evalutes the position, tangent and normal on a curve segment.

Declaration

public static Vector2 EvalFull(BezierSegment segment, float t, out Vector2 tangent, out Vector2 normal)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment on which to evaluate the normal
Single	t	The parametric location on the curve
Vector2	tangent	The output tangent at parametric location "t"
Vector2	normal	The output normal at parametric location "t"

Returns

Type	Description
Vector2	The position on the curve at parametric location "t"

Remarks

This is more efficient than calling "Eval", "EvalTangent" and "EvalNormal" successively.

EvalNormal(BezierSegment, Single)

Evalutes the normal on a curve segment.

Declaration

public static Vector2 EvalNormal(BezierSegment segment, float t)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment on which to evaluate the normal
Single	t	The parametric location on the curve

Returns

Type	Description
Vector2	The normal of the curve at parametric location "t"

Remarks

A positive normal at a point on the bezier curve is always on the right side of the forward direction (tangent) of the curve at that point.

EvalTangent(BezierSegment, Single)

Evaluates the tangent on a curve segment.

Declaration

public static Vector2 EvalTangent(BezierSegment segment, float t)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment on which to evaluate the tangent
Single	t	The parametric location on the curve

Returns

Type	Description
Vector2	The tangent of the curve at parametric location "t"

FillMesh(Mesh, List<VectorUtils.Geometry>, Single, Boolean)

Fills a mesh geometry from a scene tessellation.

Declaration

public static void FillMesh(Mesh mesh, List<VectorUtils.Geometry> geoms, float svgPixelsPerUnit, bool flipYAxis = false)

Parameters

Type	Name	Description
Mesh	mesh	The mesh object to fill
List<VectorUtils.Geometry>	geoms	The list of tessellated Geometry instances, generated by TessellateNodeHierarchy
Single	svgPixelsPerUnit	How many SVG "pixels" map into a Unity unit
Boolean	flipYAxis	Set to "true" to have the positive Y axis to go downward.

FillUVs(IEnumerable<VectorUtils.Geometry>, VectorUtils.TextureAtlas)

Fill the UVs of the geometry using the provided texture atlas.

Declaration

public static void FillUVs(IEnumerable<VectorUtils.Geometry> geoms, VectorUtils.TextureAtlas texAtlas)

Parameters

Type	Name	Description
IEnumerable<VectorUtils.Geometry>	geoms	The geometry that will have its UVs filled
VectorUtils.TextureAtlas	texAtlas	The texture atlas used for the UV generation

FindBezierLineIntersections(BezierSegment, Vector2, Vector2)

Find the intersections (up to three) between a line and a curve segment.

Declaration

public static float[] FindBezierLineIntersections(BezierSegment segment, Vector2 p0, Vector2 p1)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment
Vector2	p0	The first point
Vector2	p1	The second point

Returns

Type	Description
Single[]	Returns the Bezier's 't' parametric values where the line p0-p1 intersects the segment, up to 3 values

FlipSegment(BezierSegment)

Flips a segment direction.

Declaration

public static BezierSegment FlipSegment(BezierSegment segment)

Parameters

Type	Name	Description
BezierSegment	segment	The segment to flip

Returns

Type	Description
BezierSegment	The flipped segment

FlipVerticesInBounds(IList<Vector2>, Rect)

Flip the vertices (in-place) inside their axis-aligned bounding-box.

Declaration

public static void FlipVerticesInBounds(IList<Vector2> vertices, Rect bounds)

Parameters

Type	Name	Description
IList<Vector2>	vertices	The vertices to realign
Rect	bounds	The bounds into which the vertices will be realigned

GenerateAtlas(IEnumerable<VectorUtils.Geometry>, UInt32)

Generates a Texture2D atlas containing the textures and gradients for the vector geometry.

Declaration

public static VectorUtils.TextureAtlas GenerateAtlas(IEnumerable<VectorUtils.Geometry> geoms, uint rasterSize)

Parameters

Type	Name	Description
IEnumerable<VectorUtils.Geometry>	geoms	The list of Geometry objects, probably created with TessellateNodeHierarchy
UInt32	rasterSize	Maximum size of the generated texture

Returns

Type	Description
VectorUtils.TextureAtlas	The generated texture atlas

GenerateAtlasAndFillUVs(IEnumerable<VectorUtils.Geometry>, UInt32)

Generates a Texture2D atlas containing the textures and gradients for the vector geometry, and fill the UVs of the geometry.

Declaration

public static VectorUtils.TextureAtlas GenerateAtlasAndFillUVs(IEnumerable<VectorUtils.Geometry> geoms, uint rasterSize)

Parameters

Type	Name	Description
IEnumerable<VectorUtils.Geometry>	geoms	The list of Geometry objects, probably created with TessellateNodeHierarchy
UInt32	rasterSize	Maximum size of the generated texture

Returns

Type	Description
VectorUtils.TextureAtlas	The generated texture atlas

IntersectLines(Vector2, Vector2, Vector2, Vector2)

Finds the intersection between two infinite lines

Declaration

public static Vector2 IntersectLines(Vector2 line1Pt1, Vector2 line1Pt2, Vector2 line2Pt1, Vector2 line2Pt2)

Parameters

Type	Name	Description
Vector2	line1Pt1	The first point of the first line
Vector2	line1Pt2	The second point of the first line
Vector2	line2Pt1	The first point of the second line
Vector2	line2Pt2	The second point of the second line

Returns

Type	Description
Vector2	The intersection point, or (float.PositiveInfinity, float.PositiveInfinity) if the lines are parallel

IntersectLineSegments(Vector2, Vector2, Vector2, Vector2)

Finds the intersection between two line segments

Declaration

public static Vector2 IntersectLineSegments(Vector2 line1Pt1, Vector2 line1Pt2, Vector2 line2Pt1, Vector2 line2Pt2)

Parameters

Type	Name	Description
Vector2	line1Pt1	The first point of the first line
Vector2	line1Pt2	The second point of the first line
Vector2	line2Pt1	The first point of the second line
Vector2	line2Pt2	The second point of the second line

Returns

Type	Description
Vector2	The intersection point, or (float.PositiveInfinity, float.PositiveInfinity) if the lines are parallel

MakeArc(Vector2, Single, Single, Single)

Approximates a circle arc with up to 4 segments.

Declaration

public static BezierPathSegment[] MakeArc(Vector2 center, float startAngleRads, float sweepAngleRads, float radius)

Parameters

Type	Name	Description
Vector2	center	The center of the arc
Single	startAngleRads	The starting angle of the arc, in radians
Single	sweepAngleRads	The "length" of the arc, in radians
Single	radius	The radius of the arc

Returns

Type	Description
BezierPathSegment[]	An array of up to four BezierSegments holding the arc

MakeCircle(Vector2, Single)

Builds a rounded rectangle in a circle shape.

Declaration

[Obsolete("Use MakeCircleShape instead")]
public static Rectangle MakeCircle(Vector2 pos, float radius)

Parameters

Type	Name	Description
Vector2	pos	The position of the circle, relative to its center.
Single	radius	The radius of the circle.

Returns

Type	Description
Rectangle	A rectangle object with rounded corners to form a circle

MakeCircleShape(Shape, Vector2, Single)

Builds a circle shape.

Declaration

public static void MakeCircleShape(Shape circleShape, Vector2 pos, float radius)

Parameters

Type	Name	Description
Shape	circleShape	The shape object that will be filled with a circle.
Vector2	pos	The position of the circle, relative to its center.
Single	radius	The radius of the circle.

MakeEllipse(Vector2, Single, Single)

Builds a rounded rectangle in an ellipse shape.

Declaration

[Obsolete("Use MakeEllipseShape instead")]
public static Rectangle MakeEllipse(Vector2 pos, float radiusX, float radiusY)

Parameters

Type	Name	Description
Vector2	pos	The position of the ellipse, relative to its center.
Single	radiusX	The X axis of the ellipse.
Single	radiusY	The Y axis of the ellipse.

Returns

Type	Description
Rectangle	A rectangle object with rounded corners to form an ellipse

MakeEllipseShape(Shape, Vector2, Single, Single)

Builds an ellipse shape.

Declaration

public static void MakeEllipseShape(Shape ellipseShape, Vector2 pos, float radiusX, float radiusY)

Parameters

Type	Name	Description
Shape	ellipseShape	The shape object that will be filled with an ellipse.
Vector2	pos	The position of the circle, relative to its center.
Single	radiusX	The x component of the radius of the circle.
Single	radiusY	The y component of the radius of the circle.

MakeLine(Vector2, Vector2)

Builds a line segment.

Declaration

public static BezierSegment MakeLine(Vector2 from, Vector2 to)

Parameters

Type	Name	Description
Vector2	from	The starting position of the line segment
Vector2	to	The ending position of the line segment

Returns

Type	Description
BezierSegment	A straight line BezierSegment

Remarks

The control points are spaced out equally to maintain a constant speed on t

MakePathLine(Vector2, Vector2)

Builds a line path segment.

Declaration

public static BezierPathSegment[] MakePathLine(Vector2 from, Vector2 to)

Parameters

Type	Name	Description
Vector2	from	The starting position of the line segment
Vector2	to	The ending position of the line segment

Returns

Type	Description
BezierPathSegment[]	A BezierPathSegment array of two elements, configured in a straight line

Remarks

The control points are spaced out equally to maintain a constant speed on t

MakeRectangleShape(Shape, Rect)

Builds a rectangle shape.

Declaration

public static void MakeRectangleShape(Shape rectShape, Rect rect)

Parameters

Type	Name	Description
Shape	rectShape	The shape object that will be filled with a rectangle.
Rect	rect	The position and dimensions of the rectangle.

MakeRectangleShape(Shape, Rect, Vector2, Vector2, Vector2, Vector2)

Builds a rectangle shape.

Declaration

public static void MakeRectangleShape(Shape rectShape, Rect rect, Vector2 radiusTL, Vector2 radiusTR, Vector2 radiusBR, Vector2 radiusBL)

Parameters

Type	Name	Description
Shape	rectShape	The shape object that will be filled with a rectangle.
Rect	rect	The position and dimensions of the rectangle.
Vector2	radiusTL	The top-left radius of the rectangle
Vector2	radiusTR	The top-right radius of the rectangle
Vector2	radiusBR	The bottom-right radius of the rectangle
Vector2	radiusBL	The bottom-left radius of the rectangle

PathEndsPerfectlyMatch(IList<BezierPathSegment>)

Checks if the two ends of a BezierPathSegment chain are at the same location.

Declaration

public static bool PathEndsPerfectlyMatch(IList<BezierPathSegment> path)

Parameters

Type	Name	Description
IList<BezierPathSegment>	path	The chain of BezierPathSegments

Returns

Type	Description
Boolean	True if the two ends of the chain are at the same location, false otherwise

PathSegmentAtIndex(IList<BezierPathSegment>, Int32)

Computes the BezierSegment at a given index from a list of BezierPathSegments.

Declaration

public static BezierSegment PathSegmentAtIndex(IList<BezierPathSegment> path, int index)

Parameters

Type	Name	Description
IList<BezierPathSegment>	path	The chain of BezierPathSegments
Int32	index	The segment index

Returns

Type	Description
BezierSegment	The BezierSegment at the given index

QuadraticToCubic(Vector2, Vector2, Vector2)

Converts a quadratic bezier to a cubic bezier

Declaration

public static BezierSegment QuadraticToCubic(Vector2 p0, Vector2 p1, Vector2 p2)

Parameters

Type	Name	Description
Vector2	p0	The starting position of the quadratic segment
Vector2	p1	The control position of the quadratic segment
Vector2	p2	The ending position of the quadratic segment

Returns

Type	Description
BezierSegment	The resulting BezierSegment

RealignVerticesInBounds(IList<Vector2>, Rect, Boolean)

Realigns the vertices (in-place) inside their axis-aligned bounding-box.

Declaration

public static void RealignVerticesInBounds(IList<Vector2> vertices, Rect bounds, bool flip)

Parameters

Type	Name	Description
IList<Vector2>	vertices	The vertices to realign
Rect	bounds	The bounds into which the vertices will be realigned
Boolean	flip	A boolean indicating whether to flip the coordinates on the Y axis

RealignVerticesInBounds(IList<Vector2>, Boolean)

Realigns the vertices inside their axis-aligned bounding-box.

Declaration

[Obsolete("Please use RealignVerticesInBounds(IList<Vector2>, Rect, bool) instead")]
public static Rect RealignVerticesInBounds(IList<Vector2> vertices, bool flip)

Parameters

Type	Name	Description
IList<Vector2>	vertices	The vertices to realign
Boolean	flip	A boolean indicating whether to flip the coordinates on the Y axis

Returns

Type	Description
Rect	The axis-aligned bounding-box of the original vertices

RenderSprite(Sprite, Material, Boolean)

Draws a vector sprite using the provided material.

Declaration

public static void RenderSprite(Sprite sprite, Material mat, bool clear = true)

Parameters

Type	Name	Description
Sprite	sprite	The sprite to render
Material	mat	The material used for rendering
Boolean	clear	If true, clear the render target before rendering

RenderSpriteToTexture2D(Sprite, Int32, Int32, Material, Int32, Boolean)

Renders a vector sprite to Texture2D.

Declaration

public static Texture2D RenderSpriteToTexture2D(Sprite sprite, int width, int height, Material mat, int antiAliasing = 1, bool expandEdges = false)

Parameters

Type	Name	Description
Sprite	sprite	The sprite to render
Int32	width	The desired width of the resulting texture
Int32	height	The desired height of the resulting texture
Material	mat	The material used to render the sprite
Int32	antiAliasing	The number of samples per pixel for anti-aliasing
Boolean	expandEdges	When true, expand the edges to avoid a dark banding effect caused by filtering. This is slower to render and uses more graphics memory.

Returns

Type	Description
Texture2D	A Texture2D object containing the rendered vector sprite

SceneNodeBounds(SceneNode)

Computes a pretty accurate approximation of the scene bounds.

Declaration

public static Rect SceneNodeBounds(SceneNode root)

Parameters

Type	Name	Description
SceneNode	root	The root node of the hierarchy to computes the bounds from

Returns

Type	Description
Rect	An approximation of the node hierarchy axis-aligned bounding-box

Remarks

This will properly evaluate the bounds of the paths and shapes, but will ignore the paths stroke widths.

SceneNodes(SceneNode)

Lists every nodes under a root node.

Declaration

public static IEnumerable<SceneNode> SceneNodes(SceneNode root)

Parameters

Type	Name	Description
SceneNode	root	The root node

Returns

Type	Description
IEnumerable<SceneNode>	The enumerable listing every nodes under "root", including the root itself.

SegmentLength(BezierSegment, Single)

Computes the length of a single curve segment.

Declaration

public static float SegmentLength(BezierSegment segment, float precision = 0.001F)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment on which to evaluate the length
Single	precision	The precision of the length computation

Returns

Type	Description
Single	The length of the segment

SegmentsInPath(IEnumerable<BezierPathSegment>, Boolean)

Iterates through every segment in a list of path segments.

Declaration

public static IEnumerable<BezierSegment> SegmentsInPath(IEnumerable<BezierPathSegment> segments, bool closed = false)

Parameters

Type	Name	Description
IEnumerable<BezierPathSegment>	segments	The path segments to iterate from
Boolean	closed	Whether to return the segment connecting the last point to the beginning of the path

Returns

Type	Description
IEnumerable<BezierSegment>	An enumerable of every segments in the path

SegmentsLength(IList<BezierPathSegment>, Boolean, Single)

Computes the combined length of a segment chain.

Declaration

public static float SegmentsLength(IList<BezierPathSegment> segments, bool closed, float precision = 0.001F)

Parameters

Type	Name	Description
IList<BezierPathSegment>	segments	The curve segments on which to evaluate the length
Boolean	closed	A boolean indicating if the length of the segment joining the first and last points should be computed
Single	precision	The precision of the length computation

Returns

Type	Description
Single	The combined length of the segment chain

SegmentsLengths(IList<BezierPathSegment>, Boolean, Single)

Computes the individual lengths of a segment chain.

Declaration

public static float[] SegmentsLengths(IList<BezierPathSegment> segments, bool closed, float precision = 0.001F)

Parameters

Type	Name	Description
IList<BezierPathSegment>	segments	The segments on which to compute the lengths
Boolean	closed	A boolean indicating if the length of the segment joining the first and last points should be computed
Single	precision	The precision of the lengths computation

Returns

Type	Description
Single[]	An array containing the lenghts of the segments

SplitSegment(BezierSegment, Single, out BezierSegment, out BezierSegment)

Splits a curve segment at a given parametric location.

Declaration

public static void SplitSegment(BezierSegment segment, float t, out BezierSegment b1, out BezierSegment b2)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment to split
Single	t	The parametric location at which the segment will be split
BezierSegment	b1	The output of the first segment
BezierSegment	b2	The output of the second segment

TessellatePath(BezierContour, PathProperties, VectorUtils.TessellationOptions, out Vector2[], out UInt16[])

Tessellates a path.

Declaration

public static void TessellatePath(BezierContour contour, PathProperties pathProps, VectorUtils.TessellationOptions tessellateOptions, out Vector2[] vertices, out ushort[] indices)

Parameters

Type	Name	Description
BezierContour	contour	The path to tessellate
PathProperties	pathProps	The path properties
VectorUtils.TessellationOptions	tessellateOptions	The tessellation options
Vector2[]	vertices	The resulting vertices
UInt16[]	indices	The resulting triangles

Remarks

The individual line segments generated during tessellation are made out of a set of ordered vertices. It is important to honor this ordering so joining and and capping connect properly with the existing vertices without generating dupes. The ordering assumed is as follows: The last two vertices of a piece must be such that the first is generated at the end with a positive half-thickness while the second vertex is at the end too but at a negative half-thickness. No assumptions are enforced for other vertices before the two last vertices.

TessellateRect(Rect, out Vector2[], out UInt16[])

Tessellates a rectangle.

Declaration

public static void TessellateRect(Rect rect, out Vector2[] vertices, out ushort[] indices)

Parameters

Type	Name	Description
Rect	rect	Rectangle to tessellate
Vector2[]	vertices	The output vertices
UInt16[]	indices	The output triangles

TessellateRectBorder(Rect, Single, out Vector2[], out UInt16[])

Tessellates a rectangle border.

Declaration

public static void TessellateRectBorder(Rect rect, float halfThickness, out Vector2[] vertices, out ushort[] indices)

Parameters

Type	Name	Description
Rect	rect	Rectangle to tessellate
Single	halfThickness	The half-thickness of the border
Vector2[]	vertices	The output vertices
UInt16[]	indices	The output triangles

TessellateScene(Scene, VectorUtils.TessellationOptions, Dictionary<SceneNode, Single>)

Tessellates a Scene object into triangles.

Declaration

public static List<VectorUtils.Geometry> TessellateScene(Scene scene, VectorUtils.TessellationOptions tessellationOptions, Dictionary<SceneNode, float> nodeOpacities = null)

Parameters

Type	Name	Description
Scene	scene
VectorUtils.TessellationOptions	tessellationOptions	The tessellation options
Dictionary<SceneNode, Single>	nodeOpacities	If provided, the resulting node opacities

Returns

Type	Description
List<VectorUtils.Geometry>	A list of tesselated geometry

TransformBezierPath(BezierPathSegment[], Matrix2D)

Transforms a path by a transformation matrix.

Declaration

public static BezierPathSegment[] TransformBezierPath(BezierPathSegment[] path, Matrix2D matrix)

Parameters

Type	Name	Description
BezierPathSegment[]	path	The path to transform
Matrix2D	matrix	The transformation matrix to apply on the curve segment

Returns

Type	Description
BezierPathSegment[]	The transformed path

TransformBezierPath(BezierPathSegment[], Vector2, Single, Vector2)

Transforms a path by a transformation matrix.

Declaration

public static BezierPathSegment[] TransformBezierPath(BezierPathSegment[] path, Vector2 translation, float rotation, Vector2 scaling)

Parameters

Type	Name	Description
BezierPathSegment[]	path	The path to transform
Vector2	translation	The translation to apply
Single	rotation	The rotation to apply, in radians
Vector2	scaling	The scaling to apply

Returns

Type	Description
BezierPathSegment[]	The transformed path

TransformSegment(BezierSegment, Matrix2D)

Transforms a curve segment by a transformation matrix.

Declaration

public static BezierSegment TransformSegment(BezierSegment segment, Matrix2D matrix)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment to transform
Matrix2D	matrix	The transformation matrix to apply on the curve segment

Returns

Type	Description
BezierSegment	The transformed curve segment

TransformSegment(BezierSegment, Vector2, Single, Vector2)

Transforms a curve segment by a translation, rotation and scaling.

Declaration

public static BezierSegment TransformSegment(BezierSegment segment, Vector2 translation, float rotation, Vector2 scaling)

Parameters

Type	Name	Description
BezierSegment	segment	The curve segment to transform
Vector2	translation	The translation to apply on the curve segment
Single	rotation	The rotation to apply on the curve segment
Vector2	scaling	The scaling to apply on the curve segment

Returns

Type	Description
BezierSegment	The transformed curve segment

WorldTransformedSceneNodes(SceneNode, Dictionary<SceneNode, Single>)

Iterates through every nodes under a root with computed transform and opacities.

Declaration

public static IEnumerable<VectorUtils.SceneNodeWorldTransform> WorldTransformedSceneNodes(SceneNode root, Dictionary<SceneNode, float> nodeOpacities)

Parameters

Type	Name	Description
SceneNode	root	The starting node of the hierarchy
Dictionary<SceneNode, Single>	nodeOpacities	Storage for the resulting node opacities, may be null

Returns

Type	Description
IEnumerable<VectorUtils.SceneNodeWorldTransform>	An enumeration of every node with their pre-computed world transforms, opacities and paths.