def set_view_up_direction(self, viewer_up):
if abs(viewer_up.y) < 0.999:
cp = cross_product(viewer_up, Vector3(0, 0, 0))
cp = normalized(cp)
self.geo_to_viewer_transform = create_rotation(math.acos(viewer_up.y), cp)
else:
self.geo_to_viewer_transform = create_identity()
self.must_update_transformed_orientation = True
class RenderState(object):
'''
Contains all the state necessary for the SkyRenderer
to render properly.
'''
camera_pos = GeocentricCoordinates(0, 0, 0)
look_dir = GeocentricCoordinates(1, 0, 0)
up_dir = GeocentricCoordinates(0, 1, 0)
radius_of_view = 45.0 # in degrees
up_angle = 0.0
cos_up_angle = 1.0
sin_up_angle = 0.0
screen_width = 480 # originally 100
screen_height = 800 # originally 100
transform_to_device = create_identity()
transform_to_screen = create_identity()
night_vision_mode = False
active_sky_region_set = None
def set_camera_pos(self, pos):
self.camera_pos = pos.copy()
def set_look_dir(self, new_dir):
self.look_dir = new_dir.copy()
def set_up_dir(self, new_dir):
self.up_dir = new_dir.copy()
def set_up_angle(self, angle):
self.up_angle = angle
self.cos_up_angle = math.cos(angle)
self.sin_up_angle = math.sin(angle)
def set_screen_size(self, width, height):
self.screen_width = width
self.screen_height = height
def set_tranformation_matrices(self, to_device, to_screen):
self.transform_to_device = to_device
self.transform_to_screen = to_screen
def __init__(self):
'''
def __init__(self, layer_id, new_texture_manager):
'''
Constructor
'''
RendererObjectManager.__init__(self, layer_id, new_texture_manager)
self.width = 2
self.height = 2
self.geo_to_viewer_transform = create_identity()
self.look_dir = Vector3(0, 0, 0)
self.up_dir = Vector3(0, 1, 0)
self.transformed_look_dir = Vector3(0, 0, 0)
self.transformed_up_dir = Vector3(0, 1, 0)
#search_helper = SearchHelper()
self.dark_quad = None
#self.search_arrow = SearchArrow()
#crosshair = CrosshairOverlay()
