matrix

package
v0.0.0-...-bd0de05 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 13, 2023 License: Apache-2.0 Imports: 5 Imported by: 0

Documentation

Index

Constants

View Source 
const RATE_DENOMINATOR int32 = 10000

Variables

This section is empty.

Functions

func AbsFloat64 

func AbsFloat64(val float64) float64

func AbsI16 

func AbsI16(val int16) int16

func AbsI32 

func AbsI32(val int32) int32

func Ceil 

func Ceil(v float64) int32

func Distance 

func Distance(a, b Vector3) float64

求两点间距离

func DistanceSq 

func DistanceSq(a, b Vector3) float64

求两点间距离平方

func Floor 

func Floor(v float64) int32

func GetAngle 

func GetAngle(v1, v2 Vector3) (angel float64)

求两向量夹角

func GetRad 

func GetRad(v1, v2 Vector3) (angel float64)

求两向量弧度

func LimitFloat32Min 

func LimitFloat32Min(value, min float32) float32

func LimitFloat64 

func LimitFloat64(value float64, min float64, max float64) float64

//////////////////--LimitFloat64--/////////////////////////

func LimitFloat64Max 

func LimitFloat64Max(value, max float64) float64

func LimitFloat64Min 

func LimitFloat64Min(value, min float64) float64

func LimitInt 

func LimitInt(value int, min int, max int) int

//////////////////--LimitInt--/////////////////////////

func LimitInt16 

func LimitInt16(value int16, min int16, max int16) int16

//////////////////--LimitInt16--/////////////////////////

func LimitInt16Max 

func LimitInt16Max(value int16, max int16) int16

func LimitInt16Min 

func LimitInt16Min(value int16, min int16) int16

func LimitInt32 

func LimitInt32(value int32, min int32, max int32) int32

//////////////////--LimitInt32--/////////////////////////

func LimitInt32Max 

func LimitInt32Max(value int32, max int32) int32

func LimitInt32Min 

func LimitInt32Min(value int32, min int32) int32

func LimitInt64 

func LimitInt64(value int64, min int64, max int64) int64

//////////////////--LimitInt64--/////////////////////////

func LimitInt64Max 

func LimitInt64Max(value int64, max int64) int64

func LimitInt64Min 

func LimitInt64Min(value int64, min int64) int64

func LimitIntMax 

func LimitIntMax(value int, max int) int

func LimitIntMin 

func LimitIntMin(value int, min int) int

func MaxFloat64 

func MaxFloat64(a, b float64) float64

func MaxInt16 

func MaxInt16(a, b int16) int16

func MaxInt32 

func MaxInt32(a, b int32) int32

func MinFloat64 

func MinFloat64(a, b float64) float64

func MinInt16 

func MinInt16(a, b int16) int16

func MinInt32 

func MinInt32(a, b int32) int32

func Random 

func Random(min int, max int) int

[min, max]

func Random16 

func Random16(min int16, max int16) int16

[min, max]

func Random32 

func Random32(min int32, max int32) int32

[min, max]

func Random64 

func Random64(min int64, max int64) int64

[min, max]

func RandomMatched 

func RandomMatched(rate int32) bool

概率为Rate的随机，是否随到。 范围为RATE_DENOMINATOR（10000）

func RandomMatchedPercent 

func RandomMatchedPercent(rate int32) bool

百分比 概率为Rate的随机，是否随到

func RandomRate 

func RandomRate() int32

计算随机数

func RandomU32 

func RandomU32(min uint32, max uint32) uint32

[min, max]

func Round 

func Round(f float64, n int) float64

func RoundInt32 

func RoundInt32(v float64) int32

Types

type RotateAxis 

type RotateAxis uint
const (
	ROTATE_AXIS_X RotateAxis = 0
	ROTATE_AXIS_Y RotateAxis = 1
	ROTATE_AXIS_Z RotateAxis = 2
)

type Vector2D 

type Vector2D struct {
	X float32
	Y float32
}
var NormLeftX *Vector2D = &Vector2D{X: -1.0}
var NormLeftY *Vector2D = &Vector2D{Y: -1.0}
var NormRightX *Vector2D = &Vector2D{X: 1.0}
var NormRightY *Vector2D = &Vector2D{Y: 1.0}

func (*Vector2D) Add 

func (this *Vector2D) Add(v *Vector2D) *Vector2D

func (*Vector2D) Angle 

func (this *Vector2D) Angle(v *Vector2D) float64

func (*Vector2D) Clear 

func (this *Vector2D) Clear()

func (*Vector2D) ContainInRange 

func (this *Vector2D) ContainInRange(v *Vector2D, r float32) bool

func (*Vector2D) ContainInRectRange 

func (this *Vector2D) ContainInRectRange(v *Vector2D, r float32) bool

func (*Vector2D) Copy 

func (this *Vector2D) Copy() *Vector2D

func (*Vector2D) Cross 

func (this *Vector2D) Cross(op *Vector2D) float64

copy from r2.point

func (*Vector2D) Distance 

func (this *Vector2D) Distance(v *Vector2D) float64

func (*Vector2D) DistanceSq 

func (this *Vector2D) DistanceSq(v *Vector2D) float64

func (*Vector2D) Div 

func (this *Vector2D) Div(v float32) *Vector2D

func (*Vector2D) Dot 

func (this *Vector2D) Dot(op *Vector2D) float64

func (*Vector2D) Equal 

func (this *Vector2D) Equal(v *Vector2D) bool

func (*Vector2D) IsZero 

func (this *Vector2D) IsZero() bool

func (*Vector2D) Length 

func (this *Vector2D) Length() float32

func (*Vector2D) LengthSq 

func (this *Vector2D) LengthSq() float64

func (*Vector2D) Mul 

func (this *Vector2D) Mul(v float32) *Vector2D

func (*Vector2D) Norm 

func (this *Vector2D) Norm() *Vector2D

func (*Vector2D) Orth 

func (this *Vector2D) Orth() *Vector2D

func (*Vector2D) Radian 

func (this *Vector2D) Radian(v *Vector2D) float64

func (*Vector2D) Reverse 

func (this *Vector2D) Reverse() *Vector2D

func (*Vector2D) Rotate 

func (this *Vector2D) Rotate(alpha float64) *Vector2D

func (*Vector2D) RotateAngle 

func (this *Vector2D) RotateAngle(angle float64) *Vector2D

func (*Vector2D) Sub 

func (this *Vector2D) Sub(v *Vector2D) *Vector2D

func (*Vector2D) ToAngle 

func (this *Vector2D) ToAngle() float64

func (*Vector2D) ToRadian 

func (this *Vector2D) ToRadian() float64

type Vector3 

type Vector3 struct {
	X float64 `json:"x"`
	Y float64 `json:"y"`
	Z float64 `json:"z"`
}

三维向量：(x,y,z)

func Add3 

func Add3(a, b Vector3) Vector3

返回：a + b 向量

func AddArray3 

func AddArray3(vs []Vector3, dv Vector3) []Vector3

func Cross3 

func Cross3(a, b Vector3) Vector3

返回：a X b 向量 (X 叉乘)

func Multiply 

func Multiply(v Vector3, scalars float64) Vector3

func Multiply3 

func Multiply3(v Vector3, scalars []float64) []Vector3

func NewVector3 

func NewVector3(x, y, z float64) Vector3

返回：新向量

func Normalize3 

func Normalize3(a Vector3) Vector3

返回：单位化向量

func Sub3 

func Sub3(a, b Vector3) Vector3

返回：a - b 向量

func XAxis3 

func XAxis3() Vector3

X 轴 单位向量

func XYAxis3 

func XYAxis3() Vector3

func XYZAxis3 

func XYZAxis3() Vector3

func XZAxis3 

func XZAxis3() Vector3

func YAxis3 

func YAxis3() Vector3

Y 轴 单位向量

func YZAxis3 

func YZAxis3() Vector3

func ZAxis3 

func ZAxis3() Vector3

Z 轴 单位向量

func Zero3 

func Zero3() Vector3

返回：零向量(0,0,0)

func (*Vector3) Add 

func (this *Vector3) Add(v Vector3)

三维向量：加上 this = this + v

func (*Vector3) Clone 

func (this *Vector3) Clone() Vector3

三维向量：拷贝

func (*Vector3) Cross 

func (this *Vector3) Cross(v Vector3)

三维向量：叉积

func (*Vector3) Divide 

func (this *Vector3) Divide(scalar float64)

func (*Vector3) Dot 

func (this *Vector3) Dot(v Vector3) float64

三维向量：点积

func (*Vector3) Equal 

func (this *Vector3) Equal(v Vector3) bool

func (*Vector3) FormatFloatFloor 

func (this *Vector3) FormatFloatFloor(decimal int)

格式化数据（取小数点后decimal位有效四舍五入后的数据）

func (*Vector3) IsZero 

func (this *Vector3) IsZero() bool

func (*Vector3) Length 

func (this *Vector3) Length() float64

三维向量：长度

func (*Vector3) LengthSq 

func (this *Vector3) LengthSq() float64

三维向量：长度平方

func (*Vector3) Multiply 

func (this *Vector3) Multiply(scalar float64)

三维向量：数乘

func (*Vector3) Normalize 

func (this *Vector3) Normalize()

三维向量：单位化

func (*Vector3) Rotate 

func (this *Vector3) Rotate(axis RotateAxis, alpha float64) (v Vector3)

沿 axis 轴顺时针旋转 alpha 弧度

func (*Vector3) RotateAngle 

func (this *Vector3) RotateAngle(axis RotateAxis, angle float64) Vector3

沿 axis 轴顺时针旋转 angle 欧拉角度

func (*Vector3) Set 

func (this *Vector3) Set(x, y, z float64)

三维向量：设值

func (*Vector3) Sub 

func (this *Vector3) Sub(v Vector3)

三维向量：减去 this = this - v

Source Files

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