yagogla

README

Yet Another GO-Gl Abstraction

about

yagogla is a tiny library that provides low level abtraction for go-gl and glfw binds and some primitives

Documentation

Index

• func CompileShader(src string, sType uint32) (uint32, error)
• func CreateProgram(shaders []uint32) (uint32, error)
• func CreateVAO(vertices []Vertex3) uint32
• func InitGl()
• func InitGlfw(width int, height int, title string) *glfw.Window
• func NewFrame(window *glfw.Window, color mgl32.Vec4)
• type Action
• type InputManager
  • func NewInputManager() *InputManager
  • func (im *InputManager) CheckpointCursorChange()
  • func (im *InputManager) Cursor() mgl64.Vec2
  • func (im *InputManager) CursorChange() mgl64.Vec2
  • func (im *InputManager) IsActive(a Action) bool
• type Vertex2
• type Vertex3
  • func GetCircleVertices3(r float32, vertices int) []Vertex3
  • func GetCubicHexahedronVertices3(x, y, z float32) []Vertex3
  • func GetCylinderVertices3(h float32, rBottom float32, rTop float32, vertices int) (side, top, bottom []Vertex3)
  • func GetPipeVertices3(h float32, rIn float32, rOut float32, vertices int) (sideIn, sideOut, top, bottom []Vertex3)
  • func GetPlaneVertices3(h int, w int, l int) []Vertex3
  • func GetRingVerticies3(rIn float32, rOut float32, vertices int) []Vertex3
  • func GetSemiSphereVertices3(r float32, vertices int) (side, top, bottom []Vertex3)
  • func GetSphereVertices3(r float32, numVertex int) (sphere, top, bottom []Vertex3)
  • func (v Vertex3) Add3(v2 Vertex3) Vertex3
  • func (v Vertex3) Mul3(v2 Vertex3) Vertex3
• type Vertex5

Functions

func CompileShader

func CompileShader(src string, sType uint32) (uint32, error)

CompileShader is the function that compiles a shader

func CreateProgram

func CreateProgram(shaders []uint32) (uint32, error)

CreateProgram Creates and returns a program with saders

func CreateVAO

func CreateVAO(vertices []Vertex3) uint32

• Creates the Vertex Array Object.
• indices is leftover from earlier samples and not used here.

CreateVAO ...

func InitGl

func InitGl()

InitGl initialize opengl context

func InitGlfw

func InitGlfw(width int, height int, title string) *glfw.Window

InitGlfw ...

func NewFrame

func NewFrame(window *glfw.Window, color mgl32.Vec4)

NewFrame ...

Types

type Action

type Action int

Action ...

const (
	PLAYERFORWARD  Action = iota
	PLAYERBACKWARD Action = iota
	PLAYERLEFT     Action = iota
	PLAYERRIGHT    Action = iota
	PROGRAMQUIT    Action = iota
	PLAYERCOLOR    Action = iota
)

Constants

type InputManager

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

InputManager ...

func NewInputManager

func NewInputManager() *InputManager

NewInputManager is the Function that creates an input manager

func (*InputManager) CheckpointCursorChange

func (im *InputManager) CheckpointCursorChange()

CheckpointCursorChange updates the publicly available Cursor() and CursorChange() methods to return the current Cursor and change since last time this method was called.

func (*InputManager) Cursor

func (im *InputManager) Cursor() mgl64.Vec2

Cursor returns the value of the cursor at the last time that CheckpointCursorChange() was called.

func (*InputManager) CursorChange

func (im *InputManager) CursorChange() mgl64.Vec2

CursorChange returns the amount of change in the underlying cursor since the last time CheckpointCursorChange was called

func (*InputManager) IsActive

func (im *InputManager) IsActive(a Action) bool

IsActive returns whether the given Action is currently active

type Vertex2

type Vertex2 struct {
	// contains filtered or unexported fields
}

Vertex2 ...

type Vertex3

type Vertex3 struct {
	// contains filtered or unexported fields
}

Vertex3 ...

func GetCircleVertices3

func GetCircleVertices3(r float32, vertices int) []Vertex3

GetCircleVertices3 ...

func GetCubicHexahedronVertices3

func GetCubicHexahedronVertices3(x, y, z float32) []Vertex3

GetCubicHexahedronVertices3 ...

func GetCylinderVertices3

func GetCylinderVertices3(h float32, rBottom float32, rTop float32, vertices int) (side, top, bottom []Vertex3)

GetCylinderVertices3 ...

func GetPipeVertices3

func GetPipeVertices3(h float32, rIn float32, rOut float32, vertices int) (sideIn, sideOut, top, bottom []Vertex3)

GetPipeVertices3 ...

func GetPlaneVertices3

func GetPlaneVertices3(h int, w int, l int) []Vertex3

GetPlaneVertices3 ...

func GetRingVerticies3

func GetRingVerticies3(rIn float32, rOut float32, vertices int) []Vertex3

GetRingVerticies3 ...

func GetSemiSphereVertices3

func GetSemiSphereVertices3(r float32, vertices int) (side, top, bottom []Vertex3)

GetSemiSphereVertices3 ...

func GetSphereVertices3

func GetSphereVertices3(r float32, numVertex int) (sphere, top, bottom []Vertex3)

GetSphereVertices3 ...

func (Vertex3) Add3

func (v Vertex3) Add3(v2 Vertex3) Vertex3

Add3 defines addition of 2 vert3

func (Vertex3) Mul3

func (v Vertex3) Mul3(v2 Vertex3) Vertex3

Mul3 defines multiplications of 2 vert3

type Vertex5

type Vertex5 struct {
	// contains filtered or unexported fields
}

Vertex5 ...