Example #1
0
 def __init__(self, min_x, min_y, max_x, max_y):
     Shape.__init__(self, num_vertices=4, num_edges=5, num_faces=2)
     # Set vertex positions
     self.vertex[:] = ((min_x, min_y), (min_x, max_y), (max_x, max_y),
                       (max_x, min_y))
     # Set connectivities (edge and face)
     self.edge[:] = ((0, 1), (1, 2), (2, 0), (2, 3), (3, 0))
     self.face[:] = ((0, 1, 2), (0, 2, 3))
Example #2
0
    def __init__(self, position, width, height, cell_x, cell_y):
        Shape.__init__(self, (cell_x + 1) * (cell_y + 1))

        # Set Vertex position
        # 8 .. 9 .. 10 .. 11
        # 4 .. 5 .. 6  .. 7
        # 0 .. 1 .. 2  .. 3
        vertex_id = 0
        axisx = np.linspace(position[0],
                            position[0] + width,
                            num=cell_x + 1,
                            endpoint=True)
        axisy = np.linspace(position[1],
                            position[1] + height,
                            num=cell_y + 1,
                            endpoint=True)

        for j in range(cell_y + 1):
            for i in range(cell_x + 1):
                self.vertex[vertex_id] = (axisx[i], axisy[j])
                vertex_id += 1

        # Lambda function to get node indices from cell coordinates
        cell_to_pids = lambda i, j: [
            i + (j * (cell_x + 1)), i + (j * (cell_x + 1)) + 1, i +
            ((j + 1) * (cell_x + 1)), i + ((j + 1) * (cell_x + 1)) + 1
        ]

        # Set Edge Indices
        vertex_indices = []
        for j in range(cell_y):
            for i in range(cell_x):
                pids = cell_to_pids(i, j)

                vertex_indices.append((pids[1], pids[3]))
                if i == 0:
                    vertex_indices.append((pids[0], pids[2]))

                vertex_indices.append((pids[2], pids[3]))
                if j == 0:
                    vertex_indices.append((pids[0], pids[1]))

        self.edge = np.array(vertex_indices, dtype=int)

        # Set Face Indices
        face_indices = []
        for j in range(cell_y):
            for i in range(cell_x):
                pids = cell_to_pids(i, j)

                face_indices.append((pids[0], pids[1], pids[2]))
                face_indices.append((pids[1], pids[2], pids[3]))

        self.face = np.array(face_indices, dtype=int)
Example #3
0
    def __init__(self, startPoint, endPoint, num_edges):
        Shape.__init__(self, num_edges + 1, num_edges, 0)

        axisx = np.linspace(startPoint[0],
                            endPoint[0],
                            num=num_edges + 1,
                            endpoint=True)
        axisy = np.linspace(startPoint[1],
                            endPoint[1],
                            num=num_edges + 1,
                            endpoint=True)

        for i in range(num_edges + 1):
            self.vertex[i] = (axisx[i], axisy[i])

        # Set Edge Indices
        vertex_indices = []
        for i in range(num_edges):
            vertex_indices.append((i, i + 1))

        self.edge = np.array(vertex_indices, dtype=int)
Example #4
0
 def get_as_shape(self, details):
     x = details.db['point'].flatten('x', self.point_handles)
     shape = Shape(len(x), 0, len(self.face_ids))
     np.copyto(shape.vertex, x)
     np.copyto(shape.face, self.face_ids)
     return shape
Example #5
0
 def __init__(self, frame, radius=1., name=None):
     Shape.__init__(self, frame, name)
     self.radius = radius
Example #6
0
 def __init__(self, frame, length=1., radius=1., name=None):
     Shape.__init__(self, frame, name)
     self.radius = radius
     self.length = length
Example #7
0
 def __init__(self, frame, half_extents=(1.,1.,1.), name=None):
     Shape.__init__(self, frame, name)
     self.half_extents = half_extents
Example #8
0
 def __init__(self, frame, name=None):
     Shape.__init__(self, frame, name)
Example #9
0
 def __init__(self, frame, lengths=(1.,1.,1.), name=None):
     Shape.__init__(self, frame, name)
     self.lengths = lengths