Mesh

moderngl_window.scene.Mesh = <class 'moderngl_window.scene.mesh.Mesh'>

Mesh info and geometry

Methods

Mesh.__init__(name, vao=None, material=None, attributes=None, bbox_min=None, bbox_max=None)

Initialize mesh.

Parameters:

name (str) – name of the mesh

Keyword Arguments:  

• vao (VAO) – geometry
• material (Msterial) – material for the mesh
• attributes (dict) – Details info about each mesh attribute (dict)
• bbox_min – xyz min values
• bbox_max – xyz max values

Attributes example:

{
    "NORMAL": {"name": "in_normal", "components": 3, "type": GL_FLOAT},
    "POSITION": {"name": "in_position", "components": 3, "type": GL_FLOAT}
}

Mesh.draw(projection_matrix=None, model_matrix=None, camera_matrix=None, time=0.0)

Draw the mesh using the assigned mesh program

Keyword Arguments:  

• projection_matrix (bytes) – projection_matrix
• view_matrix (bytes) – view_matrix
• camera_matrix (bytes) – camera_matrix

Mesh.draw_bbox(proj_matrix, model_matrix, cam_matrix, program, vao)

Renders the bounding box for this mesh.

Parameters:

• proj_matrix – Projection matrix
• model_matrix – View/model matrix
• cam_matrix – Camera matrix
• program – The moderngl.Program rendering the bounding box
• vao – The vao mesh for the bounding box

Mesh.add_attribute(attr_type, name, components)

Add metadata about the mesh :param attr_type: POSITION, NORMAL etc :param name: The attribute name used in the program :param components: Number of floats

Mesh.calc_global_bbox(view_matrix, bbox_min, bbox_max)

Calculates the global bounding.

Parameters:

• view_matrix – View matrix
• bbox_min – xyz min
• bbox_max – xyz max

Returns:

Combined bbox

Return type:

bbox_min, bbox_max

Mesh.has_normals() → bool

Returns:Does the mesh have a normals? Return type:bool

Mesh.has_uvs(layer=0) → bool

Returns:Does the mesh have texture coordinates? Return type:bool