pytower.mesh

class pytower.mesh.OctreeBVH(centroid, size)[source]

Parameters:

centroid (XYZ)
size (float)

__init__(centroid, size)[source]

Parameters:

centroid (XYZ)
size (float)

add_point(p)[source]

Parameters:: p (XYZ)

class pytower.mesh.OctreeNode(centroid, size, point)[source]

Axis-aligned octree node implementation

Parameters:

centroid (XYZ)
size (float)
point (XYZ)

__init__(centroid, size, point)[source]

Parameters:

centroid (XYZ)
size (float)
point (XYZ)

contains(point)[source]

Return type:: bool
Parameters:: point (XYZ)

traverse(point)[source]

Return type:: Optional[OctreeNode]
Parameters:: point (XYZ)

class pytower.mesh.TextureBake(num_triangles_size, triangle_size, backend)[source]

Parameters:

num_triangles_size (int)
triangle_size (int)
backend (ResourceBackend)

TEMP_FILENAME = 'temp_pytower.png'[source]

__init__(num_triangles_size, triangle_size, backend)[source]

Parameters:

num_triangles_size (int)
triangle_size (int)
backend (ResourceBackend)

add_triangle(mesh, tri_id, uvs, wedge, flipped)[source]

Return type:

TriangleTextureInfo | None

Parameters:

mesh (TowerMesh)
tri_id (int)
uvs (ndarray)
wedge (TowerObject)
flipped (bool)

upload()[source]

class pytower.mesh.TextureBakeCollection(num_triangles_size, triangle_size, backend)[source]

Parameters:

num_triangles_size (int)
triangle_size (int)
backend (ResourceBackend)

__init__(num_triangles_size, triangle_size, backend)[source]

Parameters:

num_triangles_size (int)
triangle_size (int)
backend (ResourceBackend)

add_triangle(mesh, tri_id, uvs, wedge, flipped)[source]

Return type:

TriangleTextureInfo

Parameters:

mesh (TowerMesh)
tri_id (int)
uvs (ndarray)
wedge (TowerObject)
flipped (bool)

upload()[source]

class pytower.mesh.TowerMesh(mesh)[source]

Parameters:: mesh (TriangleMesh)

__init__(mesh)[source]

Parameters:: mesh (TriangleMesh)

get_color(uv, material_id)[source]

Return type:

ndarray

Parameters:

uv (ndarray)
material_id (int)

get_material_id(tri_id)[source]

Parameters:: tri_id (int)

get_triangle_color(tri_id)[source]

Parameters:: tri_id (int)

get_triangles()[source]

Return type:: ndarray

get_uvs(tri_id)[source]

Return type:: ndarray
Parameters:: tri_id (int)

class pytower.mesh.TriangleTextureInfo(offset_x, offset_y, texture_scale)[source]

Parameters:

offset_x (float)
offset_y (float)
texture_scale (float)

__init__(offset_x, offset_y, texture_scale)[source]

Parameters:

offset_x (float)
offset_y (float)
texture_scale (float)

pytower.mesh.convert_triangle(face, tri_id, mesh, bakes, rgb=None)[source]

Given a triangular face, convert the face into one or two canvas wedges

Parameters:

face (ndarray) – List of triangle face’s vertices
tri_id (int)
mesh (TowerMesh)
bakes (TextureBakeCollection)
rgb (ndarray | None)

Return type:

list[TowerObject]

Returns:

List of TowerObject corresponding to the new canvas wedges

pytower.mesh.divide_triangle(face, uvs)[source]

Given a triangular face as input, divide it into two right triangles using the altitude

Parameters:

face (ndarray) – List of triangle face’s vertices
uvs (ndarray)

Return type:

(ndarray | None, ndarray | None)

Returns:

Triangle subdivided into two right triangles (i.e., canvas wedges)

pytower.mesh.load_mesh(path)[source]

Return type:: TowerMesh