GeometryMath

package
v0.0.0-...-9749107 Latest Latest
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 Go to latest Published: May 4, 2020 License: GPL-3.0 Imports: 3 Imported by: 23

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ACos 

func ACos(a float32) float32

func ASin 

func ASin(a float32) float32

func ATan 

func ATan(a float32) float32

func ATan2 

func ATan2(y float32, x float32) float32

func Abs 

func Abs(a float32) float32

func Ceil 

func Ceil(x float32) float32

func Cos 

func Cos(a float32) float32

func Degree 

func Degree(radians float32) float32

func Equals 

func Equals(f1 float32, f2 float32, threshold float32) bool

func Floor 

func Floor(x float32) float32

func Max 

func Max(x float32, y float32) float32

func Min 

func Min(x float32, y float32) float32

func Mod 

func Mod(x float32, y float32) float32

func Pow 

func Pow(a float32, exp float32) float32

func Radians 

func Radians(degree float32) float32

func Round 

func Round(x float32) float32

func Sin 

func Sin(a float32) float32

func Sqrt 

func Sqrt(a float32) float32

func Tan 

func Tan(a float32) float32

Types

type EulerAngles 

type EulerAngles struct {
	Yaw                float32
	Pitch              float32
	Roll               float32
	GimbalLockDetected bool
}

func ExtractFromMatrix 

func ExtractFromMatrix(m Matrix4x4) []EulerAngles

type IMatrixConfig 

type IMatrixConfig interface {
	Decode() Matrix4x4
}

type IProjectionConfig 

type IProjectionConfig interface {
	IMatrixConfig
	GetNear() float32
	GetFar() float32
	GetPlane(distance float32) (float32, float32)
	SetSize(width, height, near, far float32)
}

type Matrix3x3 

type Matrix3x3 [3][3]float32

type Matrix4x4 

type Matrix4x4 [4][4]float32

func Identity 

func Identity() Matrix4x4

func LookAt 

func LookAt(eye Vector3, center Vector3, up Vector3) Matrix4x4

func Orthographic 

func Orthographic(left float32, right float32, bottom float32, top float32, near float32, far float32) Matrix4x4

func Perspective 

func Perspective(fovy float32, aspect float32, near float32, far float32) Matrix4x4

func Rotate 

func Rotate(a1 float32, v1 Vector3) Matrix4x4

func RotateX 

func RotateX(a1 float32) Matrix4x4

func RotateY 

func RotateY(a1 float32) Matrix4x4

func RotateZ 

func RotateZ(a1 float32) Matrix4x4

func Scale 

func Scale(v float32) Matrix4x4

func Translate 

func Translate(v1 Vector3) Matrix4x4

func (Matrix4x4) Equals 

func (m1 Matrix4x4) Equals(m2 Matrix4x4, threshold float32) bool

func (Matrix4x4) Inverse 

func (m1 Matrix4x4) Inverse() Matrix4x4

func (Matrix4x4) Mul 

func (m1 Matrix4x4) Mul(m2 Matrix4x4) Matrix4x4

func (Matrix4x4) MulScalar 

func (m1 Matrix4x4) MulScalar(scalar float32) Matrix4x4

func (Matrix4x4) MulVector 

func (m1 Matrix4x4) MulVector(v1 Vector3) Vector3

func (Matrix4x4) MulVector4 

func (m1 Matrix4x4) MulVector4(v1 Vector4) Vector4

func (Matrix4x4) ToMatrix3x3 

func (m1 Matrix4x4) ToMatrix3x3() Matrix3x3

func (Matrix4x4) Transpose 

func (m1 Matrix4x4) Transpose() Matrix4x4

func (*Matrix4x4) UnmarshalYAML 

func (m1 *Matrix4x4) UnmarshalYAML(value *yaml.Node) error

type OrthographicConfig 

type OrthographicConfig struct {
	Left   float32 `yaml:"left"`
	Right  float32 `yaml:"right"`
	Bottom float32 `yaml:"bottom"`
	Top    float32 `yaml:"top"`
	Near   float32 `yaml:"near"`
	Far    float32 `yaml:"far"`
}

func (*OrthographicConfig) Decode 

func (config *OrthographicConfig) Decode() Matrix4x4

func (*OrthographicConfig) GetFar 

func (config *OrthographicConfig) GetFar() float32

func (*OrthographicConfig) GetNear 

func (config *OrthographicConfig) GetNear() float32

func (*OrthographicConfig) GetPlane 

func (config *OrthographicConfig) GetPlane(distance float32) (float32, float32)

func (OrthographicConfig) SetSize 

func (config OrthographicConfig) SetSize(width, height, near, far float32)

type PerspectiveConfig 

type PerspectiveConfig struct {
	Fovy   float32 `yaml:"fovy"`
	Aspect float32 `yaml:"aspect"`
	Near   float32 `yaml:"near"`
	Far    float32 `yaml:"far"`
}

func (*PerspectiveConfig) Decode 

func (config *PerspectiveConfig) Decode() Matrix4x4

func (*PerspectiveConfig) GetFar 

func (config *PerspectiveConfig) GetFar() float32

func (*PerspectiveConfig) GetNear 

func (config *PerspectiveConfig) GetNear() float32

func (*PerspectiveConfig) GetPlane 

func (config *PerspectiveConfig) GetPlane(distance float32) (float32, float32)

func (*PerspectiveConfig) SetSize 

func (config *PerspectiveConfig) SetSize(width, height, near, far float32)

type Plane3 

type Plane3 struct {
	Normal Vector3
	Point  Vector3
	D      float32
}

func NewPlane 

func NewPlane(normal, point Vector3) Plane3

func NewPlaneFromThreePoints 

func NewPlaneFromThreePoints(p0, p1, p2 Vector3) Plane3

func (*Plane3) Distance 

func (plane *Plane3) Distance(p Vector3) float32

type Vector2 

type Vector2 [2]float32

func (*Vector2) Add 

func (v1 *Vector2) Add(v2 *Vector2) *Vector2

func (*Vector2) Dot 

func (v1 *Vector2) Dot(v2 *Vector2) float32

func (*Vector2) Invert 

func (v1 *Vector2) Invert() *Vector2

func (*Vector2) Length 

func (v1 *Vector2) Length() float32

func (*Vector2) MulScalar 

func (v1 *Vector2) MulScalar(scalar float32) *Vector2

func (*Vector2) MulVector 

func (v1 *Vector2) MulVector(v2 *Vector2) *Vector2

func (*Vector2) Normalize 

func (v1 *Vector2) Normalize() *Vector2

func (*Vector2) Sub 

func (v1 *Vector2) Sub(v2 *Vector2) *Vector2

func (*Vector2) X 

func (v1 *Vector2) X() float32

func (*Vector2) Y 

func (v1 *Vector2) Y() float32

type Vector3 

type Vector3 [3]float32

func (Vector3) Add 

func (v1 Vector3) Add(v2 Vector3) Vector3

func (Vector3) Cross 

func (v1 Vector3) Cross(v2 Vector3) Vector3

func (Vector3) Dot 

func (v1 Vector3) Dot(v2 Vector3) float32

func (Vector3) Invert 

func (v1 Vector3) Invert() Vector3

func (Vector3) Length 

func (v1 Vector3) Length() float32

func (Vector3) MulScalar 

func (v1 Vector3) MulScalar(scalar float32) Vector3

func (Vector3) MulVector 

func (v1 Vector3) MulVector(v2 Vector3) Vector3

func (Vector3) Normalize 

func (v1 Vector3) Normalize() Vector3

func (Vector3) Sub 

func (v1 Vector3) Sub(v2 Vector3) Vector3

func (Vector3) X 

func (v1 Vector3) X() float32

func (Vector3) Y 

func (v1 Vector3) Y() float32

func (Vector3) Z 

func (v1 Vector3) Z() float32

type Vector4 

type Vector4 [4]float32

func (*Vector4) Add 

func (v1 *Vector4) Add(v2 *Vector4) *Vector4

func (*Vector4) Dot 

func (v1 *Vector4) Dot(v2 *Vector4) float32

func (*Vector4) Invert 

func (v1 *Vector4) Invert() *Vector4

func (*Vector4) Length 

func (v1 *Vector4) Length() float32

func (*Vector4) MulScalar 

func (v1 *Vector4) MulScalar(scalar float32) *Vector4

func (*Vector4) MulVector 

func (v1 *Vector4) MulVector(v2 *Vector4) *Vector4

func (*Vector4) Normalize 

func (v1 *Vector4) Normalize() *Vector4

func (*Vector4) Sub 

func (v1 *Vector4) Sub(v2 *Vector4) *Vector4

func (*Vector4) W 

func (v1 *Vector4) W() float32

func (*Vector4) X 

func (v1 *Vector4) X() float32

func (*Vector4) Y 

func (v1 *Vector4) Y() float32

func (*Vector4) Z 

func (v1 *Vector4) Z() float32

Source Files

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