Class: Mittsu::OpenGLMesh

Inherits:
OpenGLObject3D show all
Defined in:
lib/mittsu/renderers/opengl/objects/opengl_mesh.rb

Instance Attribute Summary

Attributes inherited from OpenGLObject3D

#active, #model_view_matrix, #morph_target_influences

Instance Method Summary collapse

Methods inherited from OpenGLObject3D

#active?, #buffer_material, #init, #load_uniforms_matrices, #project, #setup_matrices

Constructor Details

#initialize(mesh, renderer) ⇒ OpenGLMesh

Returns a new instance of OpenGLMesh.



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# File 'lib/mittsu/renderers/opengl/objects/opengl_mesh.rb', line 3

def initialize(mesh, renderer)
  super
  @mesh = mesh
end

Instance Method Details

#add_opengl_object ⇒ Object 



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# File 'lib/mittsu/renderers/opengl/objects/opengl_mesh.rb', line 64

def add_opengl_object
  geometry = @object.geometry
  case geometry
  when BufferGeometry
    @renderer.add_opengl_object(geometry, @object)
  when Geometry
    geometry_impl = geometry.implementation(self)
    geometry_impl.groups.each do |group|
      @renderer.add_opengl_object(group, @object)
    end
  end
end

#init_geometry ⇒ Object 



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# File 'lib/mittsu/renderers/opengl/objects/opengl_mesh.rb', line 60

def init_geometry
  @object.geometry.implementation(@renderer).init_geometry_groups(@object)
end

#render_buffer(camera, lights, fog, material, geometry_group, update_buffers) ⇒ Object 



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# File 'lib/mittsu/renderers/opengl/objects/opengl_mesh.rb', line 8

def render_buffer(camera, lights, fog, material, geometry_group, update_buffers)
  type = GL_UNSIGNED_INT # geometry_group.type_array == Uint32Array ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT

  # wireframe
  if material.wireframe
    @renderer.state.set_line_width(material.wireframe_linewidth * @pixel_ratio)

    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, geometry_group.line_buffer) if update_buffers
    glDrawElements(GL_LINES, geometry_group.line_count, type, 0)

  # triangles
  else
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, geometry_group.face_buffer) if update_buffers
    glDrawElements(GL_TRIANGLES, geometry_group.face_count, type, 0)
  end

  @renderer.info[:render][:calls] += 1
  @renderer.info[:render][:vertices] += geometry_group.face_count
  @renderer.info[:render][:faces] += geometry_group.face_count / 3
end

#update ⇒ Object 



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# File 'lib/mittsu/renderers/opengl/objects/opengl_mesh.rb', line 29

def update
  # check all geometry groubs
  geometry = @mesh.geometry
  geometry_impl = geometry.implementation(self)

  material = nil
  material_impl = nil
  geometry_impl.groups.each do |geometry_group|
    # TODO: place to put this???
    # glBindVertexArray(geometry_group.vertex_array_object)
    material = buffer_material(geometry_group)
    material_impl = material.implementation(@renderer)

    custom_attributes_dirty = material.attributes && material_impl.custom_attributes_dirty?

    if geometry.vertices_need_update || geometry.morph_targets_need_update || geometry.elements_need_update || geometry.uvs_need_update || geometry.normals_need_update || geometry.colors_need_update || geometry.tangents_need_update || custom_attributes_dirty
      geometry_group.set_mesh_buffers(@mesh, GL_DYNAMIC_DRAW, !geometry.dynamic, material)
    end
  end

  geometry.vertices_need_update = false
  geometry.morph_targets_need_update = false
  geometry.elements_need_update = false
  geometry.uvs_need_update = false
  geometry.normals_need_update = false
  geometry.colors_need_update = false
  geometry.tangents_need_update = false

  material.attributes && material_impl.clear_custom_attributes(material)
end