Method AddVBO

geometry/geometry.go:132–147

AddVBO adds a Vertex Buffer Object for this geometry.

(vbo *gls.VBO)

// AddVBO adds a Vertex Buffer Object for this geometry.
func (g *Geometry) AddVBO(vbo *gls.VBO) {

	// Check that the provided VBO doesn't have conflicting attributes with existing VBOs
	for _, existingVbo := range g.vbos {
		for _, attrib := range vbo.Attributes() {
			if existingVbo.AttribName(attrib.Name) != nil {
				panic("Geometry.AddVBO: geometry already has a VBO with attribute name:" + attrib.Name)
			}
			if attrib.Type != gls.Undefined && existingVbo.Attrib(attrib.Type) != nil {
				panic("Geometry.AddVBO: geometry already has a VBO with attribute type:" + strconv.Itoa(int(attrib.Type)))
			}
		}
	}

	g.vbos = append(g.vbos, vbo)
}

// VBO returns a pointer to this geometry's VBO which contain the specified attribute.
// Returns nil if the VBO is not found.