geom

package

v0.0.0-...-7fee067 Latest Latest Go to latest Published: Mar 3, 2024 License: MIT Imports: 6 Imported by: 1

Details

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Repository

github.com/dfirebaugh/tortuga

Links

Open Source Insights

Documentation ¶

Index ¶

func Draw[T Drawable](shape T, d displayer, clr color.Color)
func Fill[T Drawable](shape T, d displayer, clr color.Color)
type Circle
- func MakeCircle(x, y, r float64) Circle
- func (c Circle) ContainsPoint(p Point) bool
- func (c Circle) Diameter() float64
- func (c Circle) Draw(d displayer, clr color.Color)
- func (c Circle) Filled(d displayer, clr color.Color)
- func (c Circle) HasOverlap(other Circle) bool
type Collision
type Drawable
type Line
- func MakeLine(a, b Point) Line
- func (l Line) Draw(d displayer, clr color.Color)
- func (l Line) EvalX(x float64) float64
- func (l Line) Intersection(l2 Line) (Point, error)
- func (l Line) IsParrallel(l1, l2 Line) bool
type Normal
type Point
- func MakePoint(x, y float64) Point
- func (p Point) Draw(d displayer, c color.RGBA)
- func (p Point) ToVector() Vector
type Ray
- func (r Ray) Draw(d displayer, clr color.Color)
type Rect
- func MakeRect(x, y, width, height float64) Rect
- func (r Rect) ContainsPoint(p Point) bool
- func (r Rect) Dimension(i int) float64
- func (r Rect) Dimensions() int
- func (r Rect) Draw(d displayer, clr color.Color)
- func (r Rect) Filled(d displayer, clr color.Color)
- func (r Rect) GetCenter() (float64, float64)
- func (r Rect) GetOverlap(other Rect) (float64, float64)
- func (r Rect) HasRayIntersection(ray Ray, collision *Collision) bool
- func (r Rect) IsAxisAlignedCollision(other Rect) bool
type Segment
type Triangle
- func MakeTriangle(vecs [3]Vector) Triangle
- func (t *Triangle) Centroid() Point
- func (t Triangle) Draw(d displayer, clr color.Color)
- func (t Triangle) Filled(d displayer, clr color.Color)
- func (t *Triangle) Rotate(angle float64)
type Vector
- func MakeVector(x, y float64) Vector
- func (v Vector) Add(other Vector) Vector
- func (v Vector) Divide(other Vector) Vector
- func (v Vector) GetDirection(b Vector) float64
- func (v Vector) GetDistance(b Vector) float64
- func (v Vector) Multiply(other Vector) Vector
- func (v Vector) Offset(o Vector) Vector
- func (v Vector) String() string
- func (v Vector) Subtract(other Vector) Vector
- func (v Vector) ToPoint() Point

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Draw ¶

func Draw[T Drawable](shape T, d displayer, clr color.Color)

func Fill ¶

func Fill[T Drawable](shape T, d displayer, clr color.Color)

Types ¶

type Circle ¶

type Circle struct {
	X float64
	Y float64
	R float64
}

func MakeCircle ¶

func MakeCircle(x, y, r float64) Circle

func (Circle) ContainsPoint ¶

func (c Circle) ContainsPoint(p Point) bool

func (Circle) Diameter ¶

func (c Circle) Diameter() float64

func (Circle) Draw ¶

func (c Circle) Draw(d displayer, clr color.Color)

func (Circle) Filled ¶

func (c Circle) Filled(d displayer, clr color.Color)

func (Circle) HasOverlap ¶

func (c Circle) HasOverlap(other Circle) bool

type Collision ¶

type Collision struct {
	Point    Vector
	FarPoint Vector
	Normal   Vector
	TimeNear Vector
	TimeFar  Vector
	HitNear  float64
	HitFar   float64
}

type Drawable ¶

type Drawable interface {
	Draw(d displayer, clr color.Color)
	Filled(d displayer, clr color.Color)
}

type Line ¶

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

func MakeLine ¶

func MakeLine(a, b Point) Line

func (Line) Draw ¶

func (l Line) Draw(d displayer, clr color.Color)

func (Line) EvalX ¶

func (l Line) EvalX(x float64) float64

func (Line) Intersection ¶

func (l Line) Intersection(l2 Line) (Point, error)

func (Line) IsParrallel ¶

func (l Line) IsParrallel(l1, l2 Line) bool

type Normal ¶

type Normal struct{}

type Point ¶

type Point struct {
	X float64
	Y float64
}

func MakePoint ¶

func MakePoint(x, y float64) Point

func (Point) Draw ¶

func (p Point) Draw(d displayer, c color.RGBA)

func (Point) ToVector ¶

func (p Point) ToVector() Vector

type Ray ¶

type Ray struct {
	Origin    Vector
	Direction Vector
}

func (Ray) Draw ¶

func (r Ray) Draw(d displayer, clr color.Color)

type Rect ¶

type Rect [4]float64

Rect a float64 slice with 4 elements []float64{x, y, width, height}

func MakeRect ¶

func MakeRect(x, y, width, height float64) Rect

func (Rect) ContainsPoint ¶

func (r Rect) ContainsPoint(p Point) bool

func (Rect) Dimension ¶

func (r Rect) Dimension(i int) float64

Dimension returns the value of the i-th dimension

func (Rect) Dimensions ¶

func (r Rect) Dimensions() int

Dimensions returns the total number of dimensions

func (Rect) Draw ¶

func (r Rect) Draw(d displayer, clr color.Color)

func (Rect) Filled ¶

func (r Rect) Filled(d displayer, clr color.Color)

func (Rect) GetCenter ¶

func (r Rect) GetCenter() (float64, float64)

func (Rect) GetOverlap ¶

func (r Rect) GetOverlap(other Rect) (float64, float64)

func (Rect) HasRayIntersection ¶

func (r Rect) HasRayIntersection(ray Ray, collision *Collision) bool

HasRayIntersection returns true if an intersection exists the collision argument will contain information about the collision

func (Rect) IsAxisAlignedCollision ¶

func (r Rect) IsAxisAlignedCollision(other Rect) bool

type Segment ¶

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

type Triangle ¶

type Triangle [3]Vector

func MakeTriangle ¶

func MakeTriangle(vecs [3]Vector) Triangle

func (*Triangle) Centroid ¶

func (t *Triangle) Centroid() Point

func (Triangle) Draw ¶

func (t Triangle) Draw(d displayer, clr color.Color)

func (Triangle) Filled ¶

func (t Triangle) Filled(d displayer, clr color.Color)

func (*Triangle) Rotate ¶

func (t *Triangle) Rotate(angle float64)

type Vector ¶

type Vector [2]float64

Vector a float64 slice with 2 elements [2]float64{x, y}

func MakeVector ¶

func MakeVector(x, y float64) Vector

func (Vector) Add ¶

func (v Vector) Add(other Vector) Vector

func (Vector) Divide ¶

func (v Vector) Divide(other Vector) Vector

func (Vector) GetDirection ¶

func (v Vector) GetDirection(b Vector) float64

func (Vector) GetDistance ¶

func (v Vector) GetDistance(b Vector) float64

func (Vector) Multiply ¶

func (v Vector) Multiply(other Vector) Vector

func (Vector) Offset ¶

func (v Vector) Offset(o Vector) Vector

func (Vector) String ¶

func (v Vector) String() string

func (Vector) Subtract ¶

func (v Vector) Subtract(other Vector) Vector

func (Vector) ToPoint ¶

func (v Vector) ToPoint() Point

Source Files ¶

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