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import numpy as np
class Solid(object):
def __init__(self, id, mesh, rotation=np.identity(3), displacement=(0,0,0), material1=None, material2=None, surface=None, color=0xffffffff):
self.id = id
self.mesh = mesh
if rotation.shape != (3,3):
raise ValueError('shape mismatch')
self.rotation = rotation.astype(np.float32)
displacement = np.asarray(displacement, dtype=np.float32)
if displacement.shape != (3,):
raise ValueError('shape mismatch')
self.displacement = displacement
if np.iterable(material1):
if len(material1) != len(mesh):
raise ValueError('shape mismatch')
self.material1 = np.array(material1, dtype=np.object)
else:
self.material1 = np.tile(material1, len(self.mesh))
if np.iterable(material2):
if len(material2) != len(mesh):
raise ValueError('shape mismatch')
self.material2 = np.array(material2, dtype=np.object)
else:
self.material2 = np.tile(material2, len(self.mesh))
if np.iterable(surface):
if len(surface) != len(mesh):
raise ValueError('shape mismatch')
self.surface = np.array(surface, dtype=np.object)
else:
self.surface = np.tile(surface, len(self.mesh))
if np.iterable(color):
if len(color) != len(mesh):
raise ValueError('shape mismatch')
self.color = np.array(color, dtype=np.uint32)
else:
self.color = np.tile(color, len(self.mesh)).astype(np.uint32)
def __len__(self):
return len(self.mesh)
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