Documentation ¶
Index ¶
- Variables
- type Bounds2
- func (s Bounds2) Area() float32
- func (s Bounds2) Bounds() Bounds2
- func (s Bounds2) Center() Point2
- func (s Bounds2) Circle() Circle2
- func (s Bounds2) Closest(p Point2, distance *float32, normal *Point2) Point2
- func (s Bounds2) Empty() bool
- func (s Bounds2) Intersection(b Bounds2) Bounds2
- func (s Bounds2) Intersects(b Bounds2) bool
- func (s Bounds2) PolygonPoints(target []Point2) int
- func (s Bounds2) PolygonSize() int
- func (s Bounds2) Union(b Bounds2) Bounds2
- type Circle2
- type Ellipse2
- type HasShape2
- type Inverted2
- type Line2
- type Padded2
- type Plane2
- func (s Plane2) Bounds() Bounds2
- func (s Plane2) Circle() Circle2
- func (s Plane2) Closest(p Point2, distance *float32, normal *Point2) Point2
- func (s Plane2) Distance(p Point2) float32
- func (s Plane2) Normal() Point2
- func (s Plane2) Origin() Point2
- func (s Plane2) PolygonPoints(target []Point2) int
- func (s Plane2) PolygonSize() int
- type Point2
- func (s Point2) Add(p Point2) Point2
- func (s Point2) Bounds() Bounds2
- func (s Point2) Circle() Circle2
- func (s Point2) Closest(p Point2, distance *float32, normal *Point2) Point2
- func (s Point2) Dot(p Point2) float32
- func (s Point2) Length() float32
- func (s Point2) LengthSq() float32
- func (s Point2) Lerp(e Point2, d float32) Point2
- func (s Point2) Max(p Point2) Point2
- func (s Point2) Min(p Point2) Point2
- func (s Point2) Move(dx, dy float32) Point2
- func (s Point2) Neg() Point2
- func (s Point2) NormalTo(p Point2) (Point2, float32)
- func (s Point2) PolygonPoints(target []Point2) int
- func (s Point2) PolygonSize() int
- func (s Point2) Scale(scale float32) Point2
- func (s Point2) Sub(p Point2) Point2
- func (s Point2) Tangent() Point2
- type Polygon2
- type Segment2
- type Shape2
- type Transform2
- func (t *Transform2) Determinant() float32
- func (t *Transform2) GetDegrees() float32
- func (t *Transform2) GetInvert() Transform2
- func (t *Transform2) GetRadians() float32
- func (t *Transform2) GetScale() (x, y float32)
- func (t *Transform2) GetTranslate() (float32, float32)
- func (t Transform2) HasAffect() bool
- func (t *Transform2) Identity()
- func (t *Transform2) Invert()
- func (t Transform2) IsEffectivelyIdentity() bool
- func (t Transform2) IsIdentity() bool
- func (t Transform2) IsZero() bool
- func (t *Transform2) Multiply(b Transform2)
- func (t *Transform2) PreScale(sx, sy float32)
- func (t *Transform2) PreTranslate(tx, ty float32)
- func (t *Transform2) Rotate(radians float32)
- func (t *Transform2) RotateDegrees(degrees float32)
- func (t *Transform2) Scale(sx, sy float32)
- func (t *Transform2) Set(sx, ry, rx, sy, tx, ty float32)
- func (t *Transform2) SetRotate(radians float32)
- func (t *Transform2) SetRotateAround(radians, anchorX, anchorY float32)
- func (t *Transform2) SetRotateDegrees(degrees float32)
- func (t *Transform2) SetRotateDegreesAround(radians, anchorX, anchorY float32)
- func (t *Transform2) SetRotateDegreesScaleAround(degrees, scaleX, scaleY, anchorX, anchorY float32)
- func (t *Transform2) SetRotateScaleAround(radians, scaleX, scaleY, anchorX, anchorY float32)
- func (t *Transform2) SetScale(sx, sy float32)
- func (t *Transform2) SetScaleAround(sx, sy, anchorX, anchorY float32)
- func (t *Transform2) SetShear(sx, sy float32)
- func (t *Transform2) SetShearAround(sx, sy, anchorX, anchorY float32)
- func (t *Transform2) SetTranslate(tx, ty float32)
- func (t *Transform2) Shear(sx, sy float32)
- func (t *Transform2) Transform(x, y float32) (float32, float32)
- func (t *Transform2) TransformPoint(c Point2) Point2
- func (t *Transform2) TransformVector(vx, vy float32) (float32, float32)
- func (t *Transform2) TransformVectorPoint(v Point2) Point2
- func (t *Transform2) Translate(tx, ty float32)
Constants ¶
This section is empty.
Variables ¶
View Source
var ( InfiniteBounds Bounds2 = Bounds2{ Min: Point2{X: -math.MaxFloat32, Y: -math.MaxFloat32}, Max: Point2{X: math.MaxFloat32, Y: math.MaxFloat32}, } InfiniteCircle Circle2 = Circle2{Radius: math.MaxFloat32} )
Functions ¶
This section is empty.
Types ¶
type Bounds2 ¶
type Bounds2 struct {
Min, Max Point2
}
func (Bounds2) Intersection ¶
func (Bounds2) Intersects ¶
func (Bounds2) PolygonPoints ¶
func (Bounds2) PolygonSize ¶
type Ellipse2 ¶
func (Ellipse2) PolygonPoints ¶
func (Ellipse2) PolygonSize ¶
type Inverted2 ¶
type Inverted2 struct {
Shape Shape2
}
func (Inverted2) PolygonPoints ¶
func (Inverted2) PolygonSize ¶
type Line2 ¶
type Line2 struct {
Start, End Point2
}
func (Line2) PolygonPoints ¶
func (Line2) PolygonSize ¶
type Plane2 ¶
type Plane2 struct {
A, B, C float32
}
func Plane2Line ¶
func Plane2PointNormal ¶
func (Plane2) PolygonPoints ¶
func (Plane2) PolygonSize ¶
type Point2 ¶
type Point2 struct {
X, Y float32
}
func (Point2) PolygonPoints ¶
func (Point2) PolygonSize ¶
type Polygon2 ¶
type Polygon2 struct {
Points []Point2
}
func (Polygon2) PolygonPoints ¶
func (Polygon2) PolygonSize ¶
type Segment2 ¶
type Segment2 struct {
Start, End Point2
}
func (Segment2) PolygonPoints ¶
func (Segment2) PolygonSize ¶
type Transform2 ¶
type Transform2 struct {
// contains filtered or unexported fields
}
func Identity ¶
func Identity() Transform2
func (*Transform2) Determinant ¶
func (t *Transform2) Determinant() float32
func (*Transform2) GetDegrees ¶
func (t *Transform2) GetDegrees() float32
func (*Transform2) GetInvert ¶
func (t *Transform2) GetInvert() Transform2
func (*Transform2) GetRadians ¶
func (t *Transform2) GetRadians() float32
func (*Transform2) GetScale ¶
func (t *Transform2) GetScale() (x, y float32)
func (*Transform2) GetTranslate ¶
func (t *Transform2) GetTranslate() (float32, float32)
func (Transform2) HasAffect ¶
func (t Transform2) HasAffect() bool
func (*Transform2) Identity ¶
func (t *Transform2) Identity()
func (*Transform2) Invert ¶
func (t *Transform2) Invert()
func (Transform2) IsEffectivelyIdentity ¶
func (t Transform2) IsEffectivelyIdentity() bool
func (Transform2) IsIdentity ¶
func (t Transform2) IsIdentity() bool
func (Transform2) IsZero ¶
func (t Transform2) IsZero() bool
func (*Transform2) Multiply ¶
func (t *Transform2) Multiply(b Transform2)
func (*Transform2) PreScale ¶
func (t *Transform2) PreScale(sx, sy float32)
func (*Transform2) PreTranslate ¶
func (t *Transform2) PreTranslate(tx, ty float32)
func (*Transform2) Rotate ¶
func (t *Transform2) Rotate(radians float32)
func (*Transform2) RotateDegrees ¶
func (t *Transform2) RotateDegrees(degrees float32)
func (*Transform2) Scale ¶
func (t *Transform2) Scale(sx, sy float32)
func (*Transform2) Set ¶
func (t *Transform2) Set(sx, ry, rx, sy, tx, ty float32)
func (*Transform2) SetRotate ¶
func (t *Transform2) SetRotate(radians float32)
func (*Transform2) SetRotateAround ¶
func (t *Transform2) SetRotateAround(radians, anchorX, anchorY float32)
func (*Transform2) SetRotateDegrees ¶
func (t *Transform2) SetRotateDegrees(degrees float32)
func (*Transform2) SetRotateDegreesAround ¶
func (t *Transform2) SetRotateDegreesAround(radians, anchorX, anchorY float32)
func (*Transform2) SetRotateDegreesScaleAround ¶
func (t *Transform2) SetRotateDegreesScaleAround(degrees, scaleX, scaleY, anchorX, anchorY float32)
func (*Transform2) SetRotateScaleAround ¶
func (t *Transform2) SetRotateScaleAround(radians, scaleX, scaleY, anchorX, anchorY float32)
func (*Transform2) SetScale ¶
func (t *Transform2) SetScale(sx, sy float32)
func (*Transform2) SetScaleAround ¶
func (t *Transform2) SetScaleAround(sx, sy, anchorX, anchorY float32)
func (*Transform2) SetShear ¶
func (t *Transform2) SetShear(sx, sy float32)
func (*Transform2) SetShearAround ¶
func (t *Transform2) SetShearAround(sx, sy, anchorX, anchorY float32)
func (*Transform2) SetTranslate ¶
func (t *Transform2) SetTranslate(tx, ty float32)
func (*Transform2) Shear ¶
func (t *Transform2) Shear(sx, sy float32)
func (*Transform2) TransformPoint ¶
func (t *Transform2) TransformPoint(c Point2) Point2
func (*Transform2) TransformVector ¶
func (t *Transform2) TransformVector(vx, vy float32) (float32, float32)
func (*Transform2) TransformVectorPoint ¶
func (t *Transform2) TransformVectorPoint(v Point2) Point2
func (*Transform2) Translate ¶
func (t *Transform2) Translate(tx, ty float32)
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