renderer

README

renderer

A basic GLSL-based physically-based rendering system, made a bit more modular with the Go language Yes, it needs comments. It is mainly being used for our experimental work at our lab right now

Documentation

Index

• type Box
  • func (b *Box) ShapeToGLSLString() string
• type Camera
• type Color
  • func ColorfromJSON(c interface{}) Color
• type ColorDKL
• type ColorName
• type Cone
  • func (c *Cone) ShapeToGLSLString() string
• type Material
• type Plane
  • func (p *Plane) ShapeToGLSLString() string
• type Renderer
  • func NewRenderer(windowWidth, windowHeight float64, cam Camera) (*Renderer, error)
  • func NewRendererFromBytes(bytes []byte) (*Renderer, error)
  • func NewRendererFromJSON(jsonFile string) (*Renderer, error)
  • func (r *Renderer) AddShape(s Shape)
  • func (r *Renderer) AddShapeFromJSON(shapeType string, shape map[string]interface{})
  • func (r *Renderer) AssembleScene() error
  • func (r *Renderer) AttachCamera(c Camera)
  • func (r *Renderer) ClearScene()
  • func (r *Renderer) Close()
  • func (r *Renderer) Render() (image.Image, error)
  • func (r *Renderer) SetBounces(b int32)
  • func (r *Renderer) SetSamples(s int32)
• type RobTexture
  • func RobNewTexture(img image.Image, wrapR, wrapS int32) (*RobTexture, error)
  • func (tex *RobTexture) Bind(texUnit uint32)
  • func (tex *RobTexture) SetUniform(uniformLoc int32) error
  • func (tex *RobTexture) UnBind()
• type Scene
• type Shape
• type Sphere
  • func (s *Sphere) ShapeToGLSLString() string
• type Triangle
  • func (t *Triangle) ShapeToGLSLString() string

Types

type Box

type Box struct {
	Position [3]float64
	Size     [3]float64
	Material Material
	Color    Color
}

func (*Box) ShapeToGLSLString

func (b *Box) ShapeToGLSLString() string

type Camera

type Camera struct {
	Origin, Target [3]float64
	WithAperture   bool
}

type Color

type Color interface {
	// contains filtered or unexported methods
}

func ColorfromJSON

func ColorfromJSON(c interface{}) Color

type ColorDKL

type ColorDKL struct {
	LD, RG, YV float64
}

type ColorName

type ColorName int

const (
	RED ColorName = iota
	GREEN
	BLUE
	YELLOW
	REDSUR
	GREENSUR
	BLUESUR
	YELLOWSUR
	REDT
	GREENT
	BLUET
	YELLOWT
	WHITE
	UNITY
	HALF
	NONE
)

type Cone

type Cone struct {
	Position, PointA, PointB [3]float64
	RadiusA, RadiusB         float64
	Material                 Material
	Color                    Color
}

func (*Cone) ShapeToGLSLString

func (c *Cone) ShapeToGLSLString() string

type Material

type Material int

const (
	SKY Material = iota
	LAMB
	FLOOR
	WALL
	TEXTURE
	DOTS
	GLASS
	METAL
)

type Plane

type Plane struct {
	Orientation [3]float64
	Offset      float64
	Material    Material
	Color       Color
}

func (*Plane) ShapeToGLSLString

func (p *Plane) ShapeToGLSLString() string

type Renderer

type Renderer struct {
	WindowWidth, WindowHeight float64

	VAO uint32
	// contains filtered or unexported fields
}

func NewRenderer

func NewRenderer(windowWidth, windowHeight float64, cam Camera) (*Renderer, error)

func NewRendererFromBytes

func NewRendererFromBytes(bytes []byte) (*Renderer, error)

func NewRendererFromJSON

func NewRendererFromJSON(jsonFile string) (*Renderer, error)

func (*Renderer) AddShape

func (r *Renderer) AddShape(s Shape)

func (*Renderer) AddShapeFromJSON

func (r *Renderer) AddShapeFromJSON(shapeType string, shape map[string]interface{})

func (*Renderer) AssembleScene

func (r *Renderer) AssembleScene() error

func (*Renderer) AttachCamera

func (r *Renderer) AttachCamera(c Camera)

func (*Renderer) ClearScene

func (r *Renderer) ClearScene()

func (*Renderer) Close

func (r *Renderer) Close()

func (*Renderer) Render

func (r *Renderer) Render() (image.Image, error)

func (*Renderer) SetBounces

func (r *Renderer) SetBounces(b int32)

func (*Renderer) SetSamples

func (r *Renderer) SetSamples(s int32)

type RobTexture

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

func RobNewTexture

func RobNewTexture(img image.Image, wrapR, wrapS int32) (*RobTexture, error)

func (*RobTexture) Bind

func (tex *RobTexture) Bind(texUnit uint32)

func (*RobTexture) SetUniform

func (tex *RobTexture) SetUniform(uniformLoc int32) error

func (*RobTexture) UnBind

func (tex *RobTexture) UnBind()

type Scene

type Scene struct {
	Width, Height    float64
	Bounces, Samples int32
	Camera           Camera
	Shapes           []interface{}
}

type Shape

type Shape interface {
	ShapeToGLSLString() string
}

type Sphere

type Sphere struct {
	Position [3]float64
	Radius   float64
	Material Material
	Color    Color
}

func (*Sphere) ShapeToGLSLString

func (s *Sphere) ShapeToGLSLString() string

type Triangle

type Triangle struct {
	Center, Point1, Point2, Point3 [3]float64
	Material                       Material
	Color                          Color
}

func (*Triangle) ShapeToGLSLString

func (t *Triangle) ShapeToGLSLString() string