webgl3d

package
v0.0.0-...-be50a85 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 12, 2021 License: BSD-2-Clause Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source 
const InDegree = (180.0 / math.Pi)
View Source 
const InRadian = (math.Pi / 180.0)

Variables

This section is empty.

Functions

func NewShader_3DAxes 

func NewShader_3DAxes(wctx *wcommon.WebGLContext) *wcommon.Shader

func NewShader_ColorOnly 

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

func NewShader_InstancePoseColor 

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

func NewShader_NormalColor 

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

func NewShader_NormalTexture 

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

func NewShader_TextureOnly 

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

Types

type Camera 

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

func NewOrthographicCamera 

func NewOrthographicCamera(wh [2]int, fov_in_clipwidth float32, zoom float32) *Camera

func NewPerspectiveCamera 

func NewPerspectiveCamera(wh [2]int, fov_in_degree float32, zoom float32) *Camera

func (*Camera) GetCenter 

func (self *Camera) GetCenter() [3]float32

func (*Camera) GetProjMatrix 

func (self *Camera) GetProjMatrix() *geom3d.Matrix4

func (*Camera) GetViewMatrix 

func (self *Camera) GetViewMatrix() *geom3d.Matrix4

func (*Camera) RotateAroundAxis 

func (self *Camera) RotateAroundAxis(axis [3]float32, angle_in_degree float32) *Camera

func (*Camera) RotateAroundPoint 

func (self *Camera) RotateAroundPoint(distance float32, h_angle float32, v_angle float32) *Camera

func (*Camera) RotateByPitch 

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

func (*Camera) RotateByRoll 

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

func (*Camera) RotateByYaw 

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

func (*Camera) SetAspectRatio 

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

func (*Camera) SetPose 

func (self *Camera) SetPose(from [3]float32, lookat [3]float32, up [3]float32) *Camera

func (*Camera) SetPoseWithCameraAxes 

func (self *Camera) SetPoseWithCameraAxes(camX [3]float32, camY [3]float32, camZ [3]float32, center [3]float32) *Camera

func (*Camera) SetPoseWithMcw 

func (self *Camera) SetPoseWithMcw(Mcw *geom3d.Matrix4) *Camera

func (*Camera) SetZoom 

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

func (*Camera) ShowInfo 

func (self *Camera) ShowInfo()

func (*Camera) TestDataBuffer 

func (self *Camera) TestDataBuffer(dbuffer []float32, stride int)

func (*Camera) Translate 

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

type CameraProjection 

type CameraProjection interface {
	IsPerspective() bool
	IsOrthographic() bool
	GetParameters() (wh [2]int, fov float32, zoom float32, nearfar [2]float32)
	GetMatrix() *geom3d.Matrix4
	SetAspectRatio(width int, height int)
	SetZoom(zoom float32)

	MultiplyVector3([3]float32) [3]float32 // only for test
}

type Geometry 

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

func NewGeometry 

func NewGeometry() *Geometry

func NewGeometry_Cube 

func NewGeometry_Cube(xsize float32, ysize float32, zsize float32) *Geometry

func NewGeometry_CubeWithTexture 

func NewGeometry_CubeWithTexture(xsize float32, ysize float32, zsize float32) *Geometry

func NewGeometry_Cylinder 

func NewGeometry_Cylinder(nsides int, radius float32, height float32, stt_angle float32, solid bool) *Geometry

func NewGeometry_EmptyExample 

func NewGeometry_EmptyExample() *Geometry

func NewGeometry_Polygon 

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

func NewGeometry_Pyramid 

func NewGeometry_Pyramid(nsides int, radius float32, height float32, stt_angle float32, solid bool) *Geometry

func NewGeometry_SolidFromCentersAndRadii 

func NewGeometry_SolidFromCentersAndRadii(centers [][3]float32, radii []float32, nsegments int) *Geometry

func NewGeometry_SolidFromFaceAndHeight 

func NewGeometry_SolidFromFaceAndHeight(face [][3]float32, height float32) *Geometry

func NewGeometry_Sphere 

func NewGeometry_Sphere(radius float32, wsegs int, hsegs int) *Geometry

func (*Geometry) AddEdge 

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

func (*Geometry) AddFace 

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

func (*Geometry) AddNormal 

func (self *Geometry) AddNormal(normal_vector [3]float32) *Geometry

func (*Geometry) AddTextureUV 

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

func (*Geometry) AddVertex 

func (self *Geometry) AddVertex(coords [3]float32) uint32

func (*Geometry) AppyMatrix4 

func (self *Geometry) AppyMatrix4(m *geom3d.Matrix4) *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) BuildNormalsForFace 

func (self *Geometry) BuildNormalsForFace()

func (*Geometry) BuildNormalsForVertex 

func (self *Geometry) BuildNormalsForVertex()

func (*Geometry) BuildWebGLBuffers 

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

func (*Geometry) ChangeNormal 

func (self *Geometry) ChangeNormal(idx int, normal_vector [3]float32) *Geometry

func (*Geometry) Clear 

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

func (*Geometry) GetFaceNormal 

func (self *Geometry) GetFaceNormal(fidx int) [3]float32

func (*Geometry) GetVertexNormal 

func (self *Geometry) GetVertexNormal(vidx int) [3]float32

func (*Geometry) GetWebGLBuffer 

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

func (*Geometry) HasNormalFor 

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

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(axis [3]float32, angle_in_degree float32) *Geometry

func (*Geometry) Scale 

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

func (*Geometry) SetEdges 

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

func (*Geometry) SetFaces 

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

func (*Geometry) SetNormals 

func (self *Geometry) SetNormals(normals [][3]float32) *Geometry

func (*Geometry) SetTextureUVs 

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

func (*Geometry) SetVertices 

func (self *Geometry) SetVertices(vertices [][3]float32) *Geometry

func (*Geometry) ShowInfo 

func (self *Geometry) ShowInfo()

func (*Geometry) Translate 

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

type Lighting 

type Lighting struct {
}

func NewLighting 

func NewLighting() *Lighting

type OrthographicProjection 

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

func NewOrthographicProjection 

func NewOrthographicProjection(wh [2]int, fov_in_clipwidth float32, zoom float32, nearfar [2]float32) *OrthographicProjection

func (*OrthographicProjection) GetMatrix 

func (self *OrthographicProjection) GetMatrix() *geom3d.Matrix4

func (*OrthographicProjection) GetParameters 

func (self *OrthographicProjection) GetParameters() ([2]int, float32, float32, [2]float32)

func (*OrthographicProjection) IsOrthographic 

func (self *OrthographicProjection) IsOrthographic() bool

func (*OrthographicProjection) IsPerspective 

func (self *OrthographicProjection) IsPerspective() bool

func (*OrthographicProjection) MultiplyVector3 

func (self *OrthographicProjection) MultiplyVector3(v [3]float32) [3]float32

func (*OrthographicProjection) SetAspectRatio 

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

func (*OrthographicProjection) SetNearFar 

func (self *OrthographicProjection) SetNearFar(near float32, far float32)

func (*OrthographicProjection) SetZoom 

func (self *OrthographicProjection) SetZoom(zoom float32)

type Overlay 

type Overlay interface {
	Render(proj *geom3d.Matrix4, view *geom3d.Matrix4)
}

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, xyz [3]float32, color string, offref string) *OverlayLabelLayer

func (*OverlayLabelLayer) CreateLabel 

func (self *OverlayLabelLayer) CreateLabel(label_text string, xyz [3]float32, color string) *OverlayLabel

func (*OverlayLabelLayer) FindLabel 

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

func (*OverlayLabelLayer) Render 

func (self *OverlayLabelLayer) Render(proj *geom3d.Matrix4, view *geom3d.Matrix4)

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, xyz [3]float32) *OverlayMarkerLayer

func (*OverlayMarkerLayer) AddArrowMarker 

func (self *OverlayMarkerLayer) AddArrowMarker(size float32, color string, outline_color string, rotation float32, xyz [3]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, xyz [3]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(proj *geom3d.Matrix4, vwmd *geom3d.Matrix4)

type PerspectiveProjection 

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

func NewPerspectiveProjection 

func NewPerspectiveProjection(wh [2]int, fov_in_degree float32, zoom float32, nearfar [2]float32) *PerspectiveProjection

func (*PerspectiveProjection) GetMatrix 

func (self *PerspectiveProjection) GetMatrix() *geom3d.Matrix4

func (*PerspectiveProjection) GetParameters 

func (self *PerspectiveProjection) GetParameters() ([2]int, float32, float32, [2]float32)

func (*PerspectiveProjection) IsOrthographic 

func (self *PerspectiveProjection) IsOrthographic() bool

func (*PerspectiveProjection) IsPerspective 

func (self *PerspectiveProjection) IsPerspective() bool

func (*PerspectiveProjection) MultiplyVector3 

func (self *PerspectiveProjection) MultiplyVector3(v [3]float32) [3]float32

func (*PerspectiveProjection) SetAspectRatio 

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

func (*PerspectiveProjection) SetZoom 

func (self *PerspectiveProjection) SetZoom(zoom float32)

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(scnobj *SceneObject, proj *geom3d.Matrix4, vwmd *geom3d.Matrix4) 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) GetBkgColor 

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

func (*Scene) SetBkgColor 

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

type SceneObject 

type SceneObject struct {
	Geometry wcommon.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 wcommon.Geometry, material *wcommon.Material,
	vshader *wcommon.Shader, eshader *wcommon.Shader, fshader *wcommon.Shader) *SceneObject

func NewSceneObject_3DAxes 

func NewSceneObject_3DAxes(wctx *wcommon.WebGLContext, length float32) *SceneObject

func NewSceneObject_Airplane 

func NewSceneObject_Airplane(wctx *wcommon.WebGLContext) *SceneObject

func NewSceneObject_CubeInstances 

func NewSceneObject_CubeInstances(wctx *wcommon.WebGLContext) *SceneObject

func NewSceneObject_CubeWithTexture 

func NewSceneObject_CubeWithTexture(wctx *wcommon.WebGLContext) *SceneObject

func NewSceneObject_CylinderWireframe 

func NewSceneObject_CylinderWireframe(wctx *wcommon.WebGLContext) *SceneObject

func (*SceneObject) AddChild 

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

func (*SceneObject) GetChildren 

func (self *SceneObject) GetChildren() []*SceneObject

func (*SceneObject) GetModelMatrix 

func (self *SceneObject) GetModelMatrix() *geom3d.Matrix4

func (*SceneObject) Rotate 

func (self *SceneObject) Rotate(axis [3]float32, angle_in_degree float32) *SceneObject

func (*SceneObject) Scale 

func (self *SceneObject) Scale(sx float32, sy float32, sz 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(txyz [3]float32, axis [3]float32, angle_in_degree float32, sxyz [3]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, tz float32) *SceneObject

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