def __init__(self, cam2world: Transform, projection_matrix: Transform, screen_window: [float]*4, shutter_open: float, shutter_close: float, lensr: float, focald: float, film: Film):
super().__init__(cam2world, shutter_open, shutter_close, film)
self.cameraToScreen = projection_matrix
self.screenToRaster = \
Transform.create_translate(-screen_window[0], -screen_window[3], 0.0) * \
Transform.create_scale(1.0 / (screen_window[1] - screen_window[0]), 1.0 / (screen_window[2] - screen_window[3]), 1.0) * \
Transform.create_scale(film.width, film.height, 1.0)
self.rasterToScreen = Transform.get_invert(self.screenToRaster)
self.rasterToCamera = self.rasterToScreen * Transform.get_invert(self.cameraToScreen)
self.lensRadius = lensr
self.focalDistance= focald
def pbrtScale(sx: float, sy: float, sz: float):
global curTransform
for i in range(len(curTransform)):
curTransform[i] = curTransform[i] * Transform.create_scale(sx, sy, sz)
