cpebiten

package module

v0.0.0-...-31065f9 Latest Latest Go to latest Published: Dec 5, 2023 License: MIT Imports: 10 Imported by: 2

Details

Valid go.mod file

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Repository

github.com/jakecoffman/cpebiten

Links

Open Source Insights

README ¶

cp-ebiten

Physics examples in Ebiten using the Go Chipmunk2D port.

building WASM

GOOS=js GOARCH=wasm go build -o tumble/tumble.wasm github.com/jakecoffman/tumble

Documentation ¶

Index ¶

Constants
Variables
func AddBox(space *cp.Space, pos cp.Vector, mass, width, height float64) *cp.Shape
func AddCircle(space *cp.Space, pos cp.Vector, mass, radius float64) *cp.Shape
func AddSegment(space *cp.Space, pos cp.Vector, mass, width, height float64) *cp.Shape
func AddStaticBox(space *cp.Space, pos cp.Vector, width, height float64) *cp.Shape
func AddWall(space *cp.Space, body *cp.Body, a, b cp.Vector, radius float64) *cp.Shape
type DrawOptions
- func NewDrawOptions(img *ebiten.Image) *DrawOptions
type Game
- func NewGame(space *cp.Space, ticksPerSecond float64) *Game

Constants ¶

View Source

const (
	ScreenHeight = 480
	ScreenWidth  = 600
)

View Source

const DrawPointLineScale = 1

Variables ¶

View Source

var Grabbable = cp.ShapeFilter{
	cp.NO_GROUP, GrabbableMaskBit, GrabbableMaskBit,
}

View Source

var GrabbableMaskBit uint = 1 << 31

View Source

var NotGrabbable = cp.ShapeFilter{
	cp.NO_GROUP, ^GrabbableMaskBit, ^GrabbableMaskBit,
}

Functions ¶

func AddBox ¶

func AddBox(space *cp.Space, pos cp.Vector, mass, width, height float64) *cp.Shape

func AddCircle ¶

func AddCircle(space *cp.Space, pos cp.Vector, mass, radius float64) *cp.Shape

func AddSegment ¶

func AddSegment(space *cp.Space, pos cp.Vector, mass, width, height float64) *cp.Shape

func AddStaticBox ¶

func AddStaticBox(space *cp.Space, pos cp.Vector, width, height float64) *cp.Shape

func AddWall ¶

func AddWall(space *cp.Space, body *cp.Body, a, b cp.Vector, radius float64) *cp.Shape

Types ¶

type DrawOptions ¶

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

func NewDrawOptions ¶

func NewDrawOptions(img *ebiten.Image) *DrawOptions

func (*DrawOptions) CollisionPointColor ¶

func (o *DrawOptions) CollisionPointColor() cp.FColor

func (*DrawOptions) ConstraintColor ¶

func (o *DrawOptions) ConstraintColor() cp.FColor

func (*DrawOptions) Data ¶

func (o *DrawOptions) Data() interface{}

func (*DrawOptions) DrawBB ¶

func (o *DrawOptions) DrawBB(bb cp.BB, outline cp.FColor)

func (*DrawOptions) DrawCircle ¶

func (o *DrawOptions) DrawCircle(pos cp.Vector, angle, radius float64, outline, fill cp.FColor, _ interface{})

func (*DrawOptions) DrawDot ¶

func (o *DrawOptions) DrawDot(size float64, pos cp.Vector, fill cp.FColor, _ interface{})

func (*DrawOptions) DrawFatSegment ¶

func (o *DrawOptions) DrawFatSegment(a, b cp.Vector, radius float64, outline, fill cp.FColor, _ interface{})

func (*DrawOptions) DrawPolygon ¶

func (o *DrawOptions) DrawPolygon(count int, verts []cp.Vector, radius float64, outline, fill cp.FColor, _ interface{})

func (*DrawOptions) DrawSegment ¶

func (o *DrawOptions) DrawSegment(a, b cp.Vector, fill cp.FColor, data interface{})

func (*DrawOptions) Flags ¶

func (o *DrawOptions) Flags() uint

func (*DrawOptions) Flush ¶

func (o *DrawOptions) Flush()

func (*DrawOptions) OutlineColor ¶

func (o *DrawOptions) OutlineColor() cp.FColor

func (*DrawOptions) ShapeColor ¶

func (o *DrawOptions) ShapeColor(shape *cp.Shape, _ interface{}) cp.FColor

type Game ¶

type Game struct {
	// Space holds all of the shapes and bodies
	Space *cp.Space

	// TicksPerSecond is the fixed physics tick rate. Set it higher if objects are going
	// through each other at the cost of higher CPU usage.
	TicksPerSecond float64

	// Accumulator shows the remaining time from the physics tick.
	Accumulator float64

	// FixedUpdate is an optional callback that is called when a fixed update occurs.
	FixedUpdate func()
	// contains filtered or unexported fields
}

Game is provided as a convenience for the examples since they all share similar logic.

func NewGame ¶

func NewGame(space *cp.Space, ticksPerSecond float64) *Game

NewGame creates a new game.

func (*Game) Draw ¶

func (g *Game) Draw(screen *ebiten.Image)

func (*Game) Layout ¶

func (g *Game) Layout(int, int) (int, int)

func (*Game) PhysicsTick ¶

func (g *Game) PhysicsTick()

func (*Game) Update ¶

func (g *Game) Update() error

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
bench
chain
contactgraph
logosmash
player
tiled
tumble

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