webgl2d

package
v0.0.0-...-be50a85 Latest Latest
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 Go to latest Published: May 12, 2021 License: BSD-2-Clause Imports: 8 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewShader_2DAxes 

func NewShader_2DAxes(wctx *wcommon.WebGLContext) *wcommon.Shader

func NewShader_InstancePoseColor 

func NewShader_InstancePoseColor(wctx *wcommon.WebGLContext) *wcommon.Shader

func NewShader_MaterialColor 

func NewShader_MaterialColor(wctx *wcommon.WebGLContext) *wcommon.Shader

func NewShader_MaterialTexture 

func NewShader_MaterialTexture(wctx *wcommon.WebGLContext) *wcommon.Shader

func SelectPoseByWorldXY 

func SelectPoseByWorldXY(sobj *SceneObject)

Types

type Camera 

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

func NewCamera 

func NewCamera(wh_aspect_ratio [2]int, fov_in_clipwidth float32, zoom float32) *Camera

func (*Camera) ApplyBoundingBox 

func (self *Camera) ApplyBoundingBox(position bool, zoomlevel bool) *Camera

func (*Camera) IsPointVisible 

func (self *Camera) IsPointVisible(wxy [2]float32) bool

func (*Camera) ProjectWorldToCanvas 

func (self *Camera) ProjectWorldToCanvas(wxy [2]float32) [2]int

func (*Camera) ProjectWorldToClip 

func (self *Camera) ProjectWorldToClip(wxy [2]float32) [2]float32

func (*Camera) Rotate 

func (self *Camera) Rotate(angle_in_degree float32) *Camera

func (*Camera) SetAspectRatio 

func (self *Camera) SetAspectRatio(width int, height int) *Camera

func (*Camera) SetBoundingBox 

func (self *Camera) SetBoundingBox(bbox [2][2]float32) *Camera

func (*Camera) SetFov 

func (self *Camera) SetFov(fov float32) *Camera

func (*Camera) SetPose 

func (self *Camera) SetPose(cx float32, cy float32, angle_in_degree float32) *Camera

func (*Camera) SetZoom 

func (self *Camera) SetZoom(zoom float32) *Camera

func (*Camera) ShowInfo 

func (self *Camera) ShowInfo()

func (*Camera) Translate 

func (self *Camera) Translate(tx float32, ty float32) *Camera

func (*Camera) UnprojectCanvasDeltaToWorld 

func (self *Camera) UnprojectCanvasDeltaToWorld(deltaxy [2]int) [2]float32

func (*Camera) UnprojectCanvasToWorld 

func (self *Camera) UnprojectCanvasToWorld(canvasxy [2]int) [2]float32

type Geometry 

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

func NewGeometry 

func NewGeometry() *Geometry

func NewGeometry_Origin 

func NewGeometry_Origin() *Geometry

func NewGeometry_Polygon 

func NewGeometry_Polygon(n int, radius float32, starting_angle_in_degree float32) *Geometry

func NewGeometry_Rectangle 

func NewGeometry_Rectangle(size float32) *Geometry

func NewGeometry_Triangle 

func NewGeometry_Triangle(size float32) *Geometry

func (*Geometry) AddEdge 

func (self *Geometry) AddEdge(edge []uint32) uint32

func (*Geometry) AddFace 

func (self *Geometry) AddFace(face []uint32) uint32

func (*Geometry) AddTextureUV 

func (self *Geometry) AddTextureUV(tuv []float32) *Geometry

func (*Geometry) AddVertex 

func (self *Geometry) AddVertex(coords [2]float32) uint32

func (*Geometry) AppyMatrix 

func (self *Geometry) AppyMatrix(matrix *geom2d.Matrix3) *Geometry

func (*Geometry) BuildDataBuffers 

func (self *Geometry) BuildDataBuffers(for_points bool, for_lines bool, for_faces bool)

func (*Geometry) BuildDataBuffersForWireframe 

func (self *Geometry) BuildDataBuffersForWireframe()

func (*Geometry) BuildWebGLBuffers 

func (self *Geometry) BuildWebGLBuffers(wctx *wcommon.WebGLContext, for_points bool, for_lines bool, for_faces bool)

func (*Geometry) Clear 

func (self *Geometry) Clear(geom bool, data_buf bool, webgl_buf bool) *Geometry

func (*Geometry) GetWebGLBuffer 

func (self *Geometry) GetWebGLBuffer(draw_mode int) (js.Value, int, [4]int)

func (*Geometry) HasTextureFor 

func (self *Geometry) HasTextureFor(mode string) bool

func (*Geometry) IsDataBufferReady 

func (self *Geometry) IsDataBufferReady() bool

func (*Geometry) IsWebGLBufferReady 

func (self *Geometry) IsWebGLBufferReady() bool

func (*Geometry) Merge 

func (self *Geometry) Merge(g *Geometry) *Geometry

func (*Geometry) Rotate 

func (self *Geometry) Rotate(angle_in_degree float32) *Geometry

func (*Geometry) Scale 

func (self *Geometry) Scale(sx float32, sy float32) *Geometry

func (*Geometry) SetEdges 

func (self *Geometry) SetEdges(edges [][]uint32) *Geometry

func (*Geometry) SetFaces 

func (self *Geometry) SetFaces(faces [][]uint32) *Geometry

func (*Geometry) SetTextureUVs 

func (self *Geometry) SetTextureUVs(tuvs [][]float32) *Geometry

func (*Geometry) SetVertices 

func (self *Geometry) SetVertices(vertices [][2]float32) *Geometry

func (*Geometry) ShowInfo 

func (self *Geometry) ShowInfo()

func (*Geometry) Translate 

func (self *Geometry) Translate(tx float32, ty float32) *Geometry

type Overlay 

type Overlay interface {
	Render(pvm *geom2d.Matrix3)
}

type OverlayLabel 

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

func (*OverlayLabel) SetBackground 

func (self *OverlayLabel) SetBackground(bkgtype string) *OverlayLabel

func (*OverlayLabel) SetCharacterWH 

func (self *OverlayLabel) SetCharacterWH(chwh [2]float32) *OverlayLabel

func (*OverlayLabel) SetPose 

func (self *OverlayLabel) SetPose(rotation float32, offset_reference string, offset [2]float32) *OverlayLabel

type OverlayLabelLayer 

type OverlayLabelLayer struct {
	Labels []*OverlayLabel //
	// contains filtered or unexported fields
}

func NewOverlayLabelLayer 

func NewOverlayLabelLayer(wctx *wcommon.WebGLContext, fontsize int, outlined bool) *OverlayLabelLayer

func (*OverlayLabelLayer) AddLabel 

func (self *OverlayLabelLayer) AddLabel(labels ...*OverlayLabel) *OverlayLabelLayer

func (*OverlayLabelLayer) AddLabelsForTest 

func (self *OverlayLabelLayer) AddLabelsForTest() *OverlayLabelLayer

func (*OverlayLabelLayer) AddTextLabel 

func (self *OverlayLabelLayer) AddTextLabel(label_text string, xy [2]float32, color string, offref string) *OverlayLabelLayer

func (*OverlayLabelLayer) CreateLabel 

func (self *OverlayLabelLayer) CreateLabel(label_text string, xy [2]float32, color string) *OverlayLabel

func (*OverlayLabelLayer) FindLabel 

func (self *OverlayLabelLayer) FindLabel(label_text string) *OverlayLabel

func (*OverlayLabelLayer) Render 

func (self *OverlayLabelLayer) Render(pvm *geom2d.Matrix3)

func (*OverlayLabelLayer) ShowInfo 

func (self *OverlayLabelLayer) ShowInfo()

type OverlayMarkerLayer 

type OverlayMarkerLayer struct {
	Markers []*SceneObject // list of OverlayMarkers to be rendered (in pixels in CAMERA space)
	// contains filtered or unexported fields
}

func NewOverlayMarkerLayer 

func NewOverlayMarkerLayer(wctx *wcommon.WebGLContext) *OverlayMarkerLayer

func (*OverlayMarkerLayer) AddArrowHeadMarker 

func (self *OverlayMarkerLayer) AddArrowHeadMarker(size float32, color string, outline_color string, rotation float32, xy [2]float32) *OverlayMarkerLayer

func (*OverlayMarkerLayer) AddArrowMarker 

func (self *OverlayMarkerLayer) AddArrowMarker(size float32, color string, outline_color string, rotation float32, xy [2]float32) *OverlayMarkerLayer

func (*OverlayMarkerLayer) AddMarker 

func (self *OverlayMarkerLayer) AddMarker(marker ...*SceneObject) *OverlayMarkerLayer

func (*OverlayMarkerLayer) AddMarkersForTest 

func (self *OverlayMarkerLayer) AddMarkersForTest() *OverlayMarkerLayer

func (*OverlayMarkerLayer) AddSpriteMarker 

func (self *OverlayMarkerLayer) AddSpriteMarker(imgpath string, color string, wh [2]float32, xy [2]float32, offref string) *OverlayMarkerLayer

func (*OverlayMarkerLayer) CreateArrowHeadMarker 

func (self *OverlayMarkerLayer) CreateArrowHeadMarker(size float32, color string, outline_color string, use_poses bool) *SceneObject

func (*OverlayMarkerLayer) CreateArrowMarker 

func (self *OverlayMarkerLayer) CreateArrowMarker(size float32, color string, outline_color string, use_poses bool) *SceneObject

func (*OverlayMarkerLayer) CreateSpriteMarker 

func (self *OverlayMarkerLayer) CreateSpriteMarker(imgpath string, color string, wh [2]float32, offref string, use_poses bool) *SceneObject

func (*OverlayMarkerLayer) GetShaderForMarker 

func (self *OverlayMarkerLayer) GetShaderForMarker(use_poses bool) *wcommon.Shader

func (*OverlayMarkerLayer) GetShaderForSpriteMarker 

func (self *OverlayMarkerLayer) GetShaderForSpriteMarker(wh [2]float32, offrot [3]float32, use_poses bool) *wcommon.Shader

func (*OverlayMarkerLayer) Render 

func (self *OverlayMarkerLayer) Render(pvm *geom2d.Matrix3)

type Renderer 

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

func NewRenderer 

func NewRenderer(wctx *wcommon.WebGLContext) *Renderer

func (*Renderer) Clear 

func (self *Renderer) Clear(scene *Scene)

func (*Renderer) RenderAxes 

func (self *Renderer) RenderAxes(camera *Camera, length float32)

func (*Renderer) RenderScene 

func (self *Renderer) RenderScene(scene *Scene, camera *Camera)

func (*Renderer) RenderSceneObject 

func (self *Renderer) RenderSceneObject(sobj *SceneObject, pvm *geom2d.Matrix3) error

type Scene 

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

func NewScene 

func NewScene(bkg_color string) *Scene

func (*Scene) Add 

func (self *Scene) Add(scnobj ...*SceneObject) *Scene

func (*Scene) AddOverlay 

func (self *Scene) AddOverlay(overlay ...Overlay) *Scene

func (*Scene) Get 

func (self *Scene) Get(indices ...int) *SceneObject

func (*Scene) GetBBoxSizeCenter 

func (self *Scene) GetBBoxSizeCenter(renew bool) ([2][2]float32, [2]float32, [2]float32)

func (*Scene) GetBkgColor 

func (self *Scene) GetBkgColor() [3]float32

func (*Scene) GetBoundingBox 

func (self *Scene) GetBoundingBox(renew bool) [2][2]float32

func (*Scene) SetBkgColor 

func (self *Scene) SetBkgColor(color string) *Scene

type SceneObject 

type SceneObject struct {
	Geometry *Geometry         // geometry interface
	Material *wcommon.Material // material
	VShader  *wcommon.Shader   // vert shader and its bindings
	EShader  *wcommon.Shader   // edge shader and its bindings
	FShader  *wcommon.Shader   // face shader and its bindings

	UseDepth bool // depth test flag (default is true)
	UseBlend bool // blending flag with alpha (default is false)
	// contains filtered or unexported fields
}

func NewSceneObject 

func NewSceneObject(geometry *Geometry, material *wcommon.Material,
	vshader *wcommon.Shader, eshader *wcommon.Shader, fshader *wcommon.Shader) *SceneObject

func NewSceneObject_2DAxes 

func NewSceneObject_2DAxes(wctx *wcommon.WebGLContext, length float32) *SceneObject

func NewSceneObject_HexagonWireframe 

func NewSceneObject_HexagonWireframe(wctx *wcommon.WebGLContext) *SceneObject

func NewSceneObject_RectangleInstancesExample 

func NewSceneObject_RectangleInstancesExample(wctx *wcommon.WebGLContext) *SceneObject

func NewSceneObject_RedTriangle 

func NewSceneObject_RedTriangle(wctx *wcommon.WebGLContext) *SceneObject

func SelectObjectByWorldXY 

func SelectObjectByWorldXY(scene *Scene) *SceneObject

func (*SceneObject) AddChild 

func (self *SceneObject) AddChild(child *SceneObject) *SceneObject

func (*SceneObject) GetBoundingBox 

func (self *SceneObject) GetBoundingBox(m *geom2d.Matrix3, renew bool) [2][2]float32

func (*SceneObject) Rotate 

func (self *SceneObject) Rotate(angle_in_degree float32) *SceneObject

func (*SceneObject) Scale 

func (self *SceneObject) Scale(sx float32, sy float32) *SceneObject

func (*SceneObject) SetPoseValues 

func (self *SceneObject) SetPoseValues(index int, offset int, values ...float32) *SceneObject

func (*SceneObject) SetPoses 

func (self *SceneObject) SetPoses(poses *wcommon.SceneObjectPoses) *SceneObject

func (*SceneObject) SetTransformation 

func (self *SceneObject) SetTransformation(txy [2]float32, angle_in_degree float32, sxy [2]float32) *SceneObject

func (*SceneObject) SetupPoses 

func (self *SceneObject) SetupPoses(size int, count int, data []float32) *SceneObject

func (*SceneObject) ShowInfo 

func (self *SceneObject) ShowInfo()

func (*SceneObject) Translate 

func (self *SceneObject) Translate(tx float32, ty float32) *SceneObject

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