math32

package
v1.0.0 Latest Latest
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 Go to latest Published: Mar 13, 2024 License: Apache-2.0 Imports: 5 Imported by: 0

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Index

Constants

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const FLT_EPSILON float64 = 1.19209290e-07

FLT_EPSILON is the C++ FLT_EPSILON epsilon constant

Variables

This section is empty.

Functions

func Clamp 

func Clamp(curr, min, max float64) float64

func GetProjectionRadius 

func GetProjectionRadius(checkAxis, axis *Vector2) float64

func IsCover 

func IsCover(vp1p2 *Vector2, checkAxisRadius float64, deg float64, targetAxis1 *Vector2, targetAxis2 *Vector2) bool

Types

type OBB 

type OBB struct {
	// contains filtered or unexported fields
}

func NewOBB 

func NewOBB(centerPoint *Vector2, width, height, rotation float64) *OBB

type Rect 

type Rect struct {
	X      float64
	Y      float64
	Width  float64
	Height float64
}

func NewRect 

func NewRect(x float64, y float64, width float64, height float64) (rc *Rect)

func NewRect2 

func NewRect2() (rc *Rect)

func NewRect3 

func NewRect3(p1 *Vector2, p2 *Vector2) (rc *Rect)

func NewRect4 

func NewRect4(p *Vector2, s *Size) (rc *Rect)

func (*Rect) Area 

func (rc *Rect) Area() float64

func (*Rect) Br 

func (rc *Rect) Br() *Vector2

func (*Rect) Clone 

func (rc *Rect) Clone() *Rect

func (*Rect) Contains 

func (rc *Rect) Contains(p *Vector2) bool

func (*Rect) Empty 

func (rc *Rect) Empty() bool

func (*Rect) Equals 

func (rc *Rect) Equals(obj interface{}) bool

func (*Rect) Intersect 

func (rc *Rect) Intersect(dst *Rect) *Rect

func (*Rect) Size 

func (rc *Rect) Size() *Size

func (*Rect) String 

func (rc *Rect) String() string

func (*Rect) Tl 

func (rc *Rect) Tl() *Vector2

type RotatedRect 

type RotatedRect struct {
	Center *Vector2
	Size   *Size
	Angle  float64
}

func ApplyGeoForRotatedRect 

func ApplyGeoForRotatedRect(rect image.Rectangle, op *ebiten.GeoM) *RotatedRect

func NewRotatedRect 

func NewRotatedRect() (rcvr *RotatedRect)

func NewRotatedRect1 

func NewRotatedRect1(r *Rect) (rcvr *RotatedRect)

func NewRotatedRect2 

func NewRotatedRect2(c *Vector2, s *Size, a float64) (rcvr *RotatedRect)

func NewRotatedRect3 

func NewRotatedRect3(v1 *Vector2, v2 *Vector2, v3 *Vector2) (rcvr *RotatedRect)

func (*RotatedRect) BoundingRect 

func (rcvr *RotatedRect) BoundingRect() *Rect

func (*RotatedRect) Clone 

func (rcvr *RotatedRect) Clone() *RotatedRect

func (*RotatedRect) Contains 

func (rcvr *RotatedRect) Contains(v *Vector2) bool

func (*RotatedRect) Equals 

func (rcvr *RotatedRect) Equals(obj interface{}) bool

func (*RotatedRect) IsCollision 

func (rcvr *RotatedRect) IsCollision(other *RotatedRect) bool

func (*RotatedRect) Points 

func (rcvr *RotatedRect) Points() []*Vector2

func (*RotatedRect) String 

func (rcvr *RotatedRect) String() string

type Size 

type Size struct {
	Width  float64
	Height float64
}

func NewSize 

func NewSize(width float64, height float64) (rcvr *Size)

func NewSize2 

func NewSize2() (rcvr *Size)

func NewSize3 

func NewSize3(p *Vector2) (rcvr *Size)

func NewSize4 

func NewSize4(vals []float64) (rcvr *Size)

func (*Size) Area 

func (rcvr *Size) Area() float64

func (*Size) Clone 

func (rcvr *Size) Clone() *Size

func (*Size) Empty 

func (rcvr *Size) Empty() bool

func (*Size) Equals 

func (rcvr *Size) Equals(obj interface{}) bool

func (*Size) Set 

func (rcvr *Size) Set(vals []float64)

func (*Size) String 

func (rcvr *Size) String() string

type Vector2 

type Vector2 struct {
	X float64
	Y float64
}

func ApplyGeoForVector2 

func ApplyGeoForVector2(p *Vector2, op *ebiten.GeoM) *Vector2

func NewVector2 

func NewVector2(x, y float64) *Vector2

func NewVector2Zero 

func NewVector2Zero() *Vector2

func (*Vector2) Add 

func (this *Vector2) Add(otherVector *Vector2) *Vector2

func (*Vector2) Clone 

func (this *Vector2) Clone() *Vector2

func (*Vector2) Coords 

func (this *Vector2) Coords() (float64, float64)

func (*Vector2) CopyFrom 

func (this *Vector2) CopyFrom(source *Vector2)

func (*Vector2) Cross 

func (this *Vector2) Cross(otherVector *Vector2) float64

func (*Vector2) Ddot 

func (this *Vector2) Ddot(otherVector *Vector2) float64

func (*Vector2) Equals 

func (this *Vector2) Equals(otherVector *Vector2) bool

func (*Vector2) Invert 

func (this *Vector2) Invert() *Vector2

Receiver is returned for easy chaning.

func (*Vector2) Inverted 

func (this *Vector2) Inverted() *Vector2

Inverted returns a new *T which is receiver inverted.

func (*Vector2) Length 

func (this *Vector2) Length() float64

func (*Vector2) LengthSquared 

func (this *Vector2) LengthSquared() float64

func (*Vector2) Lerp 

func (this *Vector2) Lerp(end *Vector2, amount float64) *Vector2

func (*Vector2) Multiply 

func (this *Vector2) Multiply(otherVector *Vector2) *Vector2

func (*Vector2) Normalize 

func (this *Vector2) Normalize()

func (*Vector2) Scale 

func (this *Vector2) Scale(scale float64) *Vector2

func (*Vector2) Set 

func (this *Vector2) Set(x, y float64)

func (*Vector2) String 

func (this *Vector2) String() string

func (*Vector2) Sub 

func (this *Vector2) Sub(otherVector *Vector2) *Vector2

Source Files

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