Class: Mittsu::IcosahedronGeometry

Inherits:
PolyhedronGeometry show all
Defined in:
lib/mittsu/extras/geometries/icosahedron_geometry.rb

Instance Attribute Summary

Attributes inherited from Geometry

#bounding_box, #bounding_sphere, #colors, #dynamic, #face_vertex_uvs, #faces, #has_tangents, #id, #line_distances, #morph_colors, #morph_normals, #morph_targets, #name, #skin_indices, #skin_weights, #type, #uuid, #vertices

Instance Method Summary collapse

Methods inherited from Geometry

#apply_matrix, #center, #clone, #compute_bounding_box, #compute_bounding_sphere, #compute_face_normals, #compute_line_distances, #compute_morph_normals, #compute_tangents, #compute_vertex_normals, #dispose, #from_buffer_geometry, #merge, #merge_mesh, #merge_vertices, #to_json

Methods included from EventDispatcher

#add_event_listener, #dispatch_event, #has_event_listener, #remove_event_listener

Constructor Details

#initialize(radius = 1.0, detail = 0) ⇒ IcosahedronGeometry

Returns a new instance of IcosahedronGeometry.



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# File 'lib/mittsu/extras/geometries/icosahedron_geometry.rb', line 7

def initialize(radius = 1.0, detail = 0)
  t = (1.0 + ::Math.sqrt(5)) / 2.0

  vertices = [
    - 1,  t,  0,    1,  t,  0,   - 1, - t,  0,    1, - t,  0,
    0, - 1,  t,    0,  1,  t,    0, - 1, - t,    0,  1, - t,
    t,  0, - 1,    t,  0,  1,   - t,  0, - 1,   - t,  0,  1
  ]

  indices = [
    0, 11,  5,    0,  5,  1,    0,  1,  7,    0,  7, 10,    0, 10, 11,
    1,  5,  9,    5, 11,  4,   11, 10,  2,   10,  7,  6,    7,  1,  8,
    3,  9,  4,    3,  4,  2,    3,  2,  6,    3,  6,  8,    3,  8,  9,
    4,  9,  5,    2,  4, 11,    6,  2, 10,    8,  6,  7,    9,  8,  1
  ]

  super(vertices, indices, radius, detail)

  @type = 'IcosahedronGeometry'

  @parameters = {
    radius: radius,
    detail: detail
  }
end