def parseSphere(entity):
"""process a dictionary (entity) containing
info about a sphere and return a pyrt.geometry.Sphere() object
entity=
{
"type":"sphere",
"radius":"string representing a float number",
"center":"x,y,z",#string of float numbers seperated by commas
"color":"r,g,b" #int 0-255 seperated by commas,
"reflectivity":"string representing a float number 0-1"
}
"""
if entity['type'] != "sphere":
raise ValueError("entity passed to parseSphere() is not a sphere")
s_center = Vec3(entity['center'].split(','))
s_color = entity['color'].split(',')
s_color = Vec3(s_color)
s_color.normalize()
if "reflectivity" in entity:
s_reflect = float(entity['reflectivity'])
s_material = PhongMaterial(color=s_color, reflectivity=s_reflect)
else:
s_material = PhongMaterial(color=s_color)
s_radius = float(entity['radius'])
return Sphere(center=s_center, radius=s_radius, material=s_material)
vp = camera.projection * camera.view
# Create a scene
scene = Scene()
# Add a light to the scene
scene.addLight(PointLight(Vec3(0, -5, 0)))
# Create a triangle
t = Triangle(Vertex(position=(-5, 1, 0), texcoord=(0, 0)),
Vertex(position=(0, 1, 5), texcoord=(1, 0)),
Vertex(position=(5, 1, 0), texcoord=(1, 1)),
material=TextureMaterial(texturepath=['tex16.png']))
s = Sphere(center=Vec3(0, -3, 0),
radius=1,
material=TextureMaterial(texturepath=['tex16.png']))
# Add triangle and sphere to the scene:
scene.add(t)
scene.add(s)
# Now tell the scene which camera we use
scene.setCamera(camera)
# Create a raytracer using "SimpleRT"
engine = SimpleRT()
# Render the scene:
image = engine.render(scene)
from pyrt.renderer import SimpleRT
from PIL import Image
# Specify width/height as in example 5
width = 320
height = 240
# now create a camera and a view like in example 5:
camera = PerspectiveCamera(width, height, 60)
camera.setView(Vec3(0,-10,0), Vec3(0,0,0), Vec3(0,0,1))
# Create a scene
scene = Scene()
# Add a sphere to the scene:
scene.add(Sphere(center=Vec3(0.,0.,0.), radius=3., material=PhongMaterial(color=Vec3(1.,0.,0.))))
# Now tell the scene which camera we use
scene.setCamera(camera)
# Create a raytracer using "SimpleRT"
engine = SimpleRT()
# Render the scene:
image = engine.render(scene)
# Save the resulting image using pillow
image.save("10.png")
# now create a camera and a view like in example 5:
camera = PerspectiveCamera(width, height, 60)
camera.setView(Vec3(0, -10, 0), Vec3(0, 0, 0), Vec3(0, 0, 1))
# Create a scene
scene = Scene()
# Add a light to the scene
scene.addLight(PointLight(Vec3(0, 0, 0)))
# Create material with normal mappings
material0 = NormalMappedMaterial(texturepath='tex16.png',
normalmappath='normalmap.png')
material1 = TextureMaterial(texturepath='tex16.png')
# Add spheres to the scene:
scene.add(Sphere(center=Vec3(-3.5, 0., 0.), radius=2.8, material=material0))
scene.add(Sphere(center=Vec3(3.5, 0., 0.), radius=2.8, material=material1))
# Now tell the scene which camera we use
scene.setCamera(camera)
# Create a raytracer using "SimpleRT"
engine = SimpleRT()
# Render the scene:
image = engine.render(scene)
# Save the resulting image using pillow
image.save("18.png")
# Add "floor"
A = Vertex(position=(-5.0, -5.0, 0.0))
B = Vertex(position=(5.0, -5.0, 0.0))
C = Vertex(position=(5.0, 5.0, 0.0))
D = Vertex(position=(-5.0, 5.0, 0.0))
scene.add(Triangle(A, B, C, material=floormaterial))
scene.add(Triangle(A, C, D, material=floormaterial))
# Add some spheres
#scene.add(Sphere(center=Vec3(-2.5,-2.5,1.75), radius=1.75, material=sphere0material))
scene.add(
Sphere(center=Vec3(2.5, -2.5, 1.75), radius=1.75,
material=sphere1material))
scene.add(
Sphere(center=Vec3(2.5, 2.5, 1.75), radius=1.75, material=sphere2material))
scene.add(
Sphere(center=Vec3(-2.5, 2.5, 1.75), radius=1.75,
material=sphere3material))
# Now tell the scene which camera we use
scene.setCamera(camera)
# Create a raytracer using "SimpleRT"
engine = SimpleRT(shadow=True, iterations=3)
# Render the scene:
image = engine.render(scene)
sphere2material = PhongMaterial(color=Vec3(0.,0.,1.)) sphere3material = PhongMaterial(color=Vec3(1.,1.,0.)) # Add "floor" A = Vertex(position=(-20.0, -70.0, 0.0)) B = Vertex(position=( 20.0, -70.0, 0.0)) C = Vertex(position=( 20.0, 10.0, 0.0)) D = Vertex(position=(-20.0, 10.0, 0.0)) scene.add(Triangle(A,B,C, material=floormaterial)) scene.add(Triangle(A,C,D, material=floormaterial)) # Add some spheres scene.add(Sphere(center=Vec3(-2.5,-8.0,1.75), radius=1.75, material=sphere0material)) scene.add(Sphere(center=Vec3( 2.5,-8.0,1.75), radius=1.75, material=sphere1material)) scene.add(Sphere(center=Vec3( 2.5, 5.0,1.75), radius=1.75, material=sphere2material)) scene.add(Sphere(center=Vec3(-2.5,-3.5,1.75), radius=1.75, material=sphere3material)) scene.add(Sphere(center=Vec3(10.0,10.0,5.0), radius=1.75, material=PhongMaterial(color=Vec3(1.,0.,0.)))) scene.add(Sphere(center=Vec3(-10.0,5.0,5.0), radius=3., material=PhongMaterial(color=Vec3(1.,.5,0.)))) # Now tell the scene which camera we use scene.setCamera(camera) # Create a raytracer using "SimpleRT" engine = SimpleRT(shadow=True) # Render the scene: image = engine.render(scene)
def make_frame(t):
# Specify width/height as in example 5
width = 320
height = 240
# now create a camera and a view like in example 5:
camera = PerspectiveCamera(width, height, 45)
camera.setView(Vec3(0., -10., 10.), Vec3(0., 0., 0.), Vec3(0., 0., 1.))
# Create a scene
scene = Scene()
# Add a light to the scene
radius = 3.0
p = 2 * pi / 4
x = radius * cos(t * p)
y = radius * sin(t * p)
scene.addLight(PointLight(Vec3(x, y, 10)))
# create some materials:
floormaterial = PhongMaterial(color=Vec3(0.5, 0.5, 0.5))
sphere0material = PhongMaterial(color=Vec3(1., 0., 0.))
sphere1material = PhongMaterial(color=Vec3(0., 1., 0.))
sphere2material = PhongMaterial(color=Vec3(0., 0., 1.))
sphere3material = PhongMaterial(color=Vec3(1., 1., 0.))
# Add "floor"
A = Vertex(position=(-5.0, -5.0, 0.0))
B = Vertex(position=(5.0, -5.0, 0.0))
C = Vertex(position=(5.0, 5.0, 0.0))
D = Vertex(position=(-5.0, 5.0, 0.0))
scene.add(Triangle(A, B, C, material=floormaterial))
scene.add(Triangle(A, C, D, material=floormaterial))
# Add some spheres
scene.add(
Sphere(center=Vec3(-2.5, -2.5, 1.75),
radius=1.75,
material=sphere0material))
scene.add(
Sphere(center=Vec3(2.5, -2.5, 1.75),
radius=1.75,
material=sphere1material))
scene.add(
Sphere(center=Vec3(2.5, 2.5, 1.75),
radius=1.75,
material=sphere2material))
scene.add(
Sphere(center=Vec3(-2.5, 2.5, 1.75),
radius=1.75,
material=sphere3material))
# Now tell the scene which camera we use
scene.setCamera(camera)
# Create a raytracer using "SimpleRT"
engine = SimpleRT(shadow=True)
# Render the scene:
image = engine.render(scene)
return image.data