def __init__(self, position, target, up_dir, projection):
"""Initialize a camera with its position, target point, and up_dir
@position: Point3d
@target: Point3d [this is the point towards it is facing
@up_dir: Vector3d
"""
self.position = position
self.target = target
self.up_dir = up_dir
self.facing_dir = Vector3d.new(self.position, self.target)
# check if facing_dir and up_dir are perpendicular
if self.facing_dir.dot(self.up_dir) != 0.0:
raise Exception("facing dir and up dir are not perpendicular")
self.__matrix = None
self.projection = projection
return None
def render_scene(self):
for obj in self.objects:
obj.render(self)
self.__rendered = True
def save_scene(self, filepath):
if not self.__rendered:
raise Exception('Scene not rendered/updated. Call render_scene() first.')
self.image.save(filepath)
if __name__ == '__main__':
projection = Projection(5, 5, 5)
# camera properties
pos = Point3d(0, 0, 1)
target = Point3d(0, 0, 2)
up = Vector3d.new(Point3d.origin(), Point3d(0, 1, 0))
camera = Camera(pos, target, up, projection)
size = 100
space = Space3d(camera, size, size, size, 10)
print(space.transform_point(Point3d(1,1,2)))
assert False
space.add_axes()
space.add_cells()
print(len(space.objects))
space.render_scene()
space.save_scene('test.png')
