render

package module
v0.0.0-...-5233882 Latest Latest
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 Go to latest Published: Oct 12, 2013 License: MIT Imports: 18 Imported by: 4

README

go-glutil

Utilities for working with OpenGL in Go

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	Red   = Color{1, 0, 0, 1}
	Green = Color{0, 1, 0, 1}
	Blue  = Color{0, 0, 1, 1}

	Black = Color{0, 0, 0, 1}
	White = Color{1, 1, 1, 1}

	Orange  = Color{1, 0.5, 0, 1}
	Pink    = Color{1, 0, 0.5, 1}
	Lime    = Color{0.5, 1, 0, 1}
	Aqua    = Color{0, 1, 0.5, 1}
	Purple  = Color{0.5, 0, 1, 1}
	SkyBlue = Color{0, 0.5, 1, 1}

	Yellow  = Color{1, 1, 0, 1}
	Cyan    = Color{0, 1, 1, 1}
	Magenta = Color{1, 0, 1, 1}

	SoftRed   = Color{0.8, 0.2, 0.2, 1}
	SoftGreen = Color{0.2, 0.8, 0.2, 1}
	SoftBlue  = Color{0.2, 0.2, 0.8, 1}

	SoftWhite = Color{0.8, 0.8, 0.8, 1}
	SoftBlack = Color{0.2, 0.2, 0.2, 1}

	DebugPallet = ColorPallet{
		SoftRed, SoftGreen, SoftBlue, Orange, Pink, Lime, Aqua, Purple, Yellow, Cyan, Magenta,
	}
)

Functions

func ArrayPtr 

func ArrayPtr(data interface{}) (gl.Pointer, gl.Sizeiptr)

func AttachTexture 

func AttachTexture(location gl.UniformLocation, textureEnum gl.Enum, target gl.Enum, texture gl.Texture)

func Bind 

func Bind(bindings interface{})

func BindArrayData 

func BindArrayData(buffer gl.Buffer, data interface{})

func BindProgramLocations 

func BindProgramLocations(program gl.Program, bindings interface{})

func Cross3D 

func Cross3D(a, b glm.Vec4d) glm.Vec3d

func Cross3Dv 

func Cross3Dv(a, b glm.Vec4d) glm.Vec4d

func DrawGeometry 

func DrawGeometry(geo *Geometry, vertexAttribute gl.AttributeLocation, vao gl.VertexArrayObject)

func DrawModel 

func DrawModel(mv glm.Mat4d, model *Model, modelview gl.UniformLocation, vertexAttribute gl.AttributeLocation, vao gl.VertexArrayObject)

func ImageData 

func ImageData(img image.Image) (gl.Sizei, gl.Sizei, gl.Enum, gl.Enum, gl.Pointer)

func LoadConfiguration 

func LoadConfiguration(confFile string, constants interface{}, bindings *ControlBindings, receiver interface{}) error

func LoadFragmentShaderSource 

func LoadFragmentShaderSource(shader gl.FragmentShader, filename string) error

func LoadProgram 

func LoadProgram(program gl.Program, vertexShader gl.VertexShader, fragmentShader gl.FragmentShader) error

func LoadShader 

func LoadShader(shader gl.Uint, filename string) error

func LoadTexture 

func LoadTexture(texture gl.Texture, filename string) error

func LoadVertexShaderSource 

func LoadVertexShaderSource(shader gl.VertexShader, filename string) error

func MatArray 

func MatArray(d glm.Mat4d) *gl.Float

func MouseCoord 

func MouseCoord(window *glfw.Window, xpos, ypos float64) glm.Vec2d

func NearZero 

func NearZero(v glm.Vec4d) bool

func NodeTransform 

func NodeTransform(node *collada.Node) glm.Mat4d

func PanicOnError 

func PanicOnError()

func Quaternion 

func Quaternion(m glm.Mat3d) glm.Quatd

func Rotation 

func Rotation(angle float64, axis glm.Vec4d) glm.Mat4d

func RotationBetweenNormals 

func RotationBetweenNormals(n1, n2 glm.Vec4d) glm.Mat4d

func RotationComponent 

func RotationComponent(m glm.Mat4d) glm.Mat3d

func ToHomogVec4D 

func ToHomogVec4D(v glm.Vec3d) glm.Vec4d

func ToVec3D 

func ToVec3D(v glm.Vec4d) glm.Vec3d

func Translate 

func Translate(v glm.Vec4d) glm.Mat4d

func V3 

func V3(v glm.Vec4d) glm.Vec3d

Types

type Action 

type Action func()

func FindActionMethod 

func FindActionMethod(v reflect.Value, name string) Action

type Color 

type Color [4]gl.Float

type ColorPallet 

type ColorPallet []Color

func (ColorPallet) Pick 

func (pallet ColorPallet) Pick(n int) *Color

type ControlBindings 

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

func (*ControlBindings) Apply 

func (c *ControlBindings) Apply(receiver interface{}, bindings map[string]string)

func (*ControlBindings) BindKeyPress 

func (c *ControlBindings) BindKeyPress(key glfw.Key, press Action, release Action)

func (*ControlBindings) BindMouseClick 

func (c *ControlBindings) BindMouseClick(button glfw.MouseButton, press Action, release Action)

func (*ControlBindings) BindMouseMovement 

func (c *ControlBindings) BindMouseMovement(action MouseMoveAction)

func (*ControlBindings) BindScroll 

func (c *ControlBindings) BindScroll(action ScrollAction)

func (*ControlBindings) DoKeyAction 

func (c *ControlBindings) DoKeyAction(key glfw.Key, keyAction glfw.Action)

func (*ControlBindings) DoMouseButtonAction 

func (c *ControlBindings) DoMouseButtonAction(button glfw.MouseButton, mouseAction glfw.Action)

func (*ControlBindings) DoMouseMoveAction 

func (c *ControlBindings) DoMouseMoveAction(window *glfw.Window, xpos, ypos float64)

func (*ControlBindings) DoScrollAction 

func (c *ControlBindings) DoScrollAction(xoff, yoff float64)

func (*ControlBindings) FindClickAction 

func (c *ControlBindings) FindClickAction(button glfw.MouseButton, buttonAction glfw.Action) (Action, bool)

func (*ControlBindings) FindKeyAction 

func (c *ControlBindings) FindKeyAction(key glfw.Key, keyAction glfw.Action) (Action, bool)

func (*ControlBindings) FindMouseMovementAction 

func (c *ControlBindings) FindMouseMovementAction() (MouseMoveAction, bool)

func (*ControlBindings) FindScrollAction 

func (c *ControlBindings) FindScrollAction() (ScrollAction, bool)

func (*ControlBindings) ResetBindings 

func (c *ControlBindings) ResetBindings()

func (*ControlBindings) UnbindKeyPress 

func (c *ControlBindings) UnbindKeyPress(key glfw.Key)

func (*ControlBindings) UnbindMouseClick 

func (c *ControlBindings) UnbindMouseClick(button glfw.MouseButton)

func (*ControlBindings) UnbindMouseMovement 

func (c *ControlBindings) UnbindMouseMovement()

func (*ControlBindings) UnbindScroll 

func (c *ControlBindings) UnbindScroll()

type DrawElements 

type DrawElements struct {
	Buffer   gl.Buffer
	DrawType gl.Enum
	Count    int
}

func MakeElements 

func MakeElements(elementMap map[gl.Enum][]int16) []*DrawElements

func NewDrawElements 

func NewDrawElements(elements []int16, drawType gl.Enum) *DrawElements

type Geometry 

type Geometry struct {
	Name         string
	VertexBuffer gl.Buffer
	NormalBuffer gl.Buffer
	Elements     []*DrawElements
}

func Grid 

func Grid(n int) *Geometry

func NewGeometry 

func NewGeometry(name string, verticies, normals []float64, elements []*DrawElements) *Geometry

func Sphere 

func Sphere() *Geometry

func Wheel 

func Wheel() *Geometry

func (*Geometry) AddDrawElements 

func (geometry *Geometry) AddDrawElements(drawElements *DrawElements)

type Index 

type Index struct {
	Collada     *collada.Collada
	Id          map[collada.Id]interface{}
	Data        map[collada.Id]interface{}
	Mesh        map[collada.Id]*Mesh
	Transforms  map[collada.Id]glm.Mat4d
	VisualScene *collada.VisualScene
}

func NewIndex 

func NewIndex(c *collada.Collada) (*Index, error)

func (*Index) AddId 

func (index *Index) AddId(id collada.Id, obj interface{})

func (*Index) ReadOffsets 

func (index *Index) ReadOffsets(inputs []*collada.InputShared, verticies map[string]collada.Id) (int, []float64, int, []float64, int)

type IndexPair 

type IndexPair struct {
	V int
	N int
}

type Mesh 

type Mesh struct {
	VerticesId string
	Polylist   []*Polylist
}

type Model 

type Model struct {
	Name          string
	Transform     glm.Mat4d
	BaseTransform glm.Mat4d
	Geometry      []*Geometry
	Children      []*Model
	Parent        *Model
}

func EmptyModel 

func EmptyModel(name string) *Model

func LoadModel 

func LoadModel(index *Index, node *collada.Node, geometryTemplates map[collada.Id][]*Geometry) (*Model, bool)

func LoadSceneAsModel 

func LoadSceneAsModel(filename string) (*Model, error)

func NewModel 

func NewModel(name string, children []*Model, geometry []*Geometry, transform glm.Mat4d) *Model

func NewSingleModel 

func NewSingleModel(name string, verticies, normals []float64, elements []int16, drawType gl.Enum, transform glm.Mat4d) *Model

func (*Model) AddChild 

func (model *Model) AddChild(child *Model)

func (*Model) AddGeometry 

func (model *Model) AddGeometry(geometry ...*Geometry) *Model

func (*Model) FindModelWithName 

func (model *Model) FindModelWithName(name string) (*Model, bool)

func (*Model) SetTransform 

func (model *Model) SetTransform(m glm.Mat4d) *Model

func (*Model) WorldTransform 

func (model *Model) WorldTransform() glm.Mat4d

type MouseMoveAction 

type MouseMoveAction func(position, delta glm.Vec2d)

func FindMouseMoveActionMethod 

func FindMouseMoveActionMethod(v reflect.Value, name string) MouseMoveAction

type Polylist 

type Polylist struct {
	VertexData       []float64
	NormalData       []float64
	TriangleElements []int16
}

type ScrollAction 

type ScrollAction func(xoff, yoff float64)

type ShaderLibrary 

type ShaderLibrary struct {
	FragmentShaders map[string]gl.FragmentShader
	VertexShaders   map[string]gl.VertexShader
	Programs        map[string]gl.Program
}

func NewShaderLibrary 

func NewShaderLibrary() ShaderLibrary

func (*ShaderLibrary) BindProgramLocations 

func (lib *ShaderLibrary) BindProgramLocations(tag string, obj interface{})

func (*ShaderLibrary) GetProgram 

func (lib *ShaderLibrary) GetProgram(tag string) (gl.Program, bool)

func (*ShaderLibrary) LoadFragmentShader 

func (lib *ShaderLibrary) LoadFragmentShader(tag, filename string)

func (*ShaderLibrary) LoadProgram 

func (lib *ShaderLibrary) LoadProgram(tag, vsfilename, fsfilename string)

func (*ShaderLibrary) LoadVertexShader 

func (lib *ShaderLibrary) LoadVertexShader(tag, filename string)

func (*ShaderLibrary) UseProgram 

func (lib *ShaderLibrary) UseProgram(tag string)

type StencilOp 

type StencilOp struct {
}
var Stencil StencilOp

func (*StencilOp) Decrement 

func (s *StencilOp) Decrement() *StencilOp

func (*StencilOp) Depth 

func (s *StencilOp) Depth() *StencilOp

func (*StencilOp) DepthAlways 

func (s *StencilOp) DepthAlways() *StencilOp

func (*StencilOp) DepthLE 

func (s *StencilOp) DepthLE() *StencilOp

func (*StencilOp) DepthLT 

func (s *StencilOp) DepthLT() *StencilOp

func (*StencilOp) DepthMask 

func (s *StencilOp) DepthMask() *StencilOp

func (*StencilOp) Disable 

func (s *StencilOp) Disable() *StencilOp

func (*StencilOp) Draw 

func (s *StencilOp) Draw() *StencilOp

func (*StencilOp) Enable 

func (s *StencilOp) Enable() *StencilOp

func (*StencilOp) Increment 

func (s *StencilOp) Increment() *StencilOp

func (*StencilOp) Keep 

func (s *StencilOp) Keep() *StencilOp

func (*StencilOp) Mask 

func (s *StencilOp) Mask(level int) *StencilOp

func (*StencilOp) NoDepth 

func (s *StencilOp) NoDepth() *StencilOp

func (*StencilOp) NoDepthMask 

func (s *StencilOp) NoDepthMask() *StencilOp

func (*StencilOp) NoDraw 

func (s *StencilOp) NoDraw() *StencilOp

func (*StencilOp) Replace 

func (s *StencilOp) Replace() *StencilOp

func (*StencilOp) Unmask 

func (s *StencilOp) Unmask(level int) *StencilOp

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