mirror of
https://github.com/kuhyx/WUT_Computer_Science.git
synced 2026-07-04 14:03:08 +02:00
Krzysztof kuhy Rudnicki
056d3aeab6
git-subtree-dir: Programming/TRAK git-subtree-mainline:e11d703c3egit-subtree-split:777937fb9e
119 lines
4.1 KiB
Python
119 lines
4.1 KiB
Python
from PIL import Image
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import numpy as np
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import time
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from .utils import colour_functions as cf
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from .camera import Camera
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from .utils.vector3 import vec3, rgb
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from .ray import get_raycolor, get_distances, get_rays
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from . import lights
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from .backgrounds.skybox import SkyBox
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from .backgrounds.panorama import Panorama
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class Scene():
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def __init__(self, ambient_color = rgb(0.01, 0.01, 0.01), n = vec3(1.0,1.0,1.0)) :
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# n = index of refraction (by default index of refraction of air n = 1.)
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self.scene_primitives = []
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self.collider_list = []
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self.shadowed_collider_list = []
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self.Light_list = []
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self.importance_sampled_list = []
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self.ambient_color = ambient_color
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self.n = n
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self.importance_sampled_list = []
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def add_Camera(self, look_from, look_at, **kwargs):
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self.camera = Camera(look_from, look_at, **kwargs)
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def add_PointLight(self, pos, color):
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self.Light_list += [lights.PointLight(pos, color)]
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def add_DirectionalLight(self, Ldir, color):
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self.Light_list += [lights.DirectionalLight(Ldir.normalize(), color)]
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def add(self,primitive, importance_sampled = False):
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self.scene_primitives += [primitive]
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self.collider_list += primitive.collider_list
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if importance_sampled == True:
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self.importance_sampled_list += [primitive]
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if primitive.shadow == True:
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self.shadowed_collider_list += primitive.collider_list
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def add_Background(self, img, light_intensity = 0.0, blur =0.0 , spherical = False):
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primitive = None
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if spherical == False:
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primitive = SkyBox(img, light_intensity = light_intensity, blur = blur)
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else:
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primitive = Panorama(img, light_intensity = light_intensity, blur = blur)
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self.scene_primitives += [primitive]
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self.collider_list += primitive.collider_list
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def render(self, samples_per_pixel, progress_bar = False):
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print ("Rendering...")
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t0 = time.time()
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color_RGBlinear = rgb(0.,0.,0.)
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if progress_bar == True:
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try:
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import progressbar
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except ModuleNotFoundError:
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print("progressbar module is required. \nRun: pip install progressbar")
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bar = progressbar.ProgressBar()
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for i in bar(range(samples_per_pixel)):
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color_RGBlinear += get_raycolor(self.camera.get_ray(self.n), scene = self)
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bar.update(i)
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else:
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for i in range(samples_per_pixel):
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color_RGBlinear += get_raycolor(self.camera.get_ray(self.n), scene = self)
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#average samples per pixel (antialiasing)
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color_RGBlinear = color_RGBlinear/samples_per_pixel
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#gamma correction
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color = cf.sRGB_linear_to_sRGB(color_RGBlinear.to_array())
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RAYS, PRIMARY_RAYS = get_rays()
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print (f"Render Took: {round(time.time() - t0, 2)}s\n"
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f"resolution: {self.camera.screen_width}x{self.camera.screen_height}\n"
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f"rays (total): {RAYS}\n"
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f"rays (primary): {PRIMARY_RAYS}\n"
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f"rays (secondary): {RAYS-PRIMARY_RAYS}")
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img_RGB = []
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for c in color:
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# average ray colors that fall in the same pixel. (antialiasing)
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img_RGB += [Image.fromarray((255 * np.clip(c, 0, 1).reshape((self.camera.screen_height, self.camera.screen_width))).astype(np.uint8), "L") ]
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return Image.merge("RGB", img_RGB)
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def get_distances(self): #Used for debugging ray-primitive collisions. Return a grey map of objects distances.
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print ("Rendering...")
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t0 = time.time()
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color_RGBlinear = get_distances( self.camera.get_ray(self.n), scene = self)
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#gamma correction
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color = color_RGBlinear.to_array()
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print ("Render Took", time.time() - t0)
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img_RGB = [Image.fromarray((255 * np.clip(c, 0, 1).reshape((self.camera.screen_height, self.camera.screen_width))).astype(np.uint8), "L") for c in color]
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return Image.merge("RGB", img_RGB) |