Method NewTexture2D

loader/collada/material.go:96–147

NewTexture2D creates and returns a pointer to a new Texture2D from the specified sampler2D id/url in the dom

(id string)

// NewTexture2D creates and returns a pointer to a new Texture2D
// from the specified sampler2D id/url in the dom
func (d *Decoder) NewTexture2D(id string) (*texture.Texture2D, error) {

	// Find newparam in all effects profiles with the specified id
	np := findNewparam(&d.dom, id)
	if np == nil {
		return nil, fmt.Errorf("Texture id:%s not found", id)
	}

	// Checks if parameter is a Sampler2D
	sampler2D, ok := np.ParameterType.(*Sampler2D)
	if !ok {
		return nil, fmt.Errorf("Texture id:%s is not a sampler2D", id)
	}

	// Get the parameter for the Sampler2D source
	np = findNewparam(&d.dom, sampler2D.Source)
	if np == nil {
		return nil, fmt.Errorf("Sampler2D source:%s not found", id)
	}

	// Checks if parameter is a surface
	surface, ok := np.ParameterType.(*Surface)
	if !ok {
		return nil, fmt.Errorf("Sampler2D source:%s is not a Surface", id)
	}

	// Checks if surface Init is InitFrom
	initFrom, ok := surface.Init.(InitFrom)
	if !ok {
		return nil, fmt.Errorf("Surface:%s init is not InitFrom", sampler2D.Source)
	}

	// Find image
	img := findImage(&d.dom, initFrom.Uri)
	if img == nil {
		return nil, fmt.Errorf("Image:%s not found", initFrom.Uri)
	}

	// Get image init from
	imgInitFrom, ok := img.ImageSource.(InitFrom)
	if !ok {
		return nil, fmt.Errorf("Image:%s source is not InitFrom", initFrom.Uri)
	}

	// Builds image file path and try to create texture
	filepath := filepath.Join(d.dirImages, filepath.Base(imgInitFrom.Uri))
	tex, err := texture.NewTexture2DFromImage(filepath)
	if err != nil {
		return nil, err
	}
	return tex, nil
}

func (d *Decoder) newBlinnMaterial(se *Blinn) (material.IMaterial, error) {