torusOuterRadius3 = 2.0
torus3 = parametricTorus(torusT3, torusInnerRadius3, torusOuterRadius3,
torusCol3, torusRef3, (0.0, 2.0 * pi),
(0.0, 2.0 * pi), (2.0 * pi / 256.0, 2.0 * pi / 64.0))
theta = pi / 64.0
R1 = transform().rotate(vector(1.0, 0.0, 0.0), theta)
R2 = transform().rotate(vector(0.0, 1.0, 0.0), theta)
R3 = transform().rotate(vector(1.0, 1.0, 0.0), theta)
#Produce movie
FRAMES = 64
d1 = datetime.now() #Measure the time required to produce the movie
light = lightSource(L, C, I) #Set light source position, color, and intensity
window = graphicsWindow(WIDTH, HEIGHT) #Create frame
camera = cameraMatrix(window, P, E, G, NP, FP,
THETA) # Set camera viewing system
for i in range(FRAMES):
print("Producing frame: ", i)
torus1.setT(R1 * torus1.getT())
torus2.setT(R2 * torus2.getT())
torus3.setT(R3 * torus3.getT())
window.drawFaces(
tessel([torus1, torus2, torus3], camera, light).getFaceList())
window.saveImage("/Users/beau/Desktop/movie-1/image-" + str(i).zfill(3) +
".png")
window = graphicsWindow(WIDTH, HEIGHT) #Create frame
os.system(
"ffmpeg -y -loglevel 0 -framerate 24 -i /Users/beau/Desktop/movie-1/image-%3d.png -f mp4 -vcodec libx264 -pix_fmt yuv420p /Users/beau/Desktop/movie-1/test.mp4"
)
coneCol = (0, 0, 255)
coneRef = (0.0, 0.0, 0.0)
coneHeight = 20.0
coneRadius = 10.0
#Cylinder attributes
cylinderT = matrix(np.identity(4))
cylinderT.set(0, 3, 40.0)
cylinderT.set(1, 3, 0.0)
cylinderCol = (255, 0, 255)
cylinderRef = (0.0, 0.0, 0.0)
cylinderHeight = 20.0
cylinderRadius = 10.0
window = graphicsWindow(WIDTH, HEIGHT) #Open a graphics window
camera = cameraMatrix(P, E, G, NP, FP, WIDTH, HEIGHT,
THETA) #Set camera viewing system
plane = parametricPlane(planeT, planeWidth, planeLength, planeCol, planeRef,
(0.0, 1.0), (0.0, 1.0), (1.0 / 10.0, 1.0 / 10.0))
circle = parametricCircle(circleT, circleRadius, circleCol, circleRef,
(0.0, 1.0), (0.0, 2.0 * pi), (1.0 / 10.0, pi / 18.0))
sphere = parametricSphere(sphereT, sphereRadius, sphereCol, sphereRef,
(0.0, 2.0 * pi), (0.0, pi), (pi / 18.0, pi / 18.0))
cone = parametricCone(coneT, coneHeight, coneRadius, coneCol, coneRef,
(0.0, 1.0), (0.0, 2.0 * pi), (1.0 / 10.0, pi / 18.0))
cylinder = parametricCylinder(cylinderT, cylinderHeight, cylinderRadius,
cylinderCol, cylinderRef, (0.0, 1.0),
(0.0, 2.0 * pi), (1.0 / 10.0, pi / 18.0))
torus = parametricTorus(torusT, torusInnerRadius, torusOuterRadius, torusCol,
torusRef, (0.0, 2.0 * pi), (0.0, 2.0 * pi),
(pi / 18.0, pi / 9.0))
P.set(0, 0, Px) P.set(1, 0, Py) P.set(2, 0, Pz) #Set up the viewing point vector E.set(0, 0, Ex) E.set(1, 0, Ey) E.set(2, 0, Ez) #Set up the gaze direction G.set(0, 0, Gx) G.set(1, 0, Gy) G.set(2, 0, Gz) #Set the camera camera = cameraMatrix(P, E, G, NP, FP, WIDTH, HEIGHT, THETA) #Set a world point (0,0,0,1) worldPoint = matrix(np.zeros((4, 1))) worldPoint.set(0, 0, 0.0) worldPoint.set(1, 0, 0.0) worldPoint.set(2, 0, 0.0) worldPoint.set(3, 0, 1.0) #Obtain coordinates of world point in viewing coordinates viewPoint = camera.worldToViewingCoordinates(worldPoint) print(viewPoint) #Obtain coordinates of viewing point in image coordinates imagePoint = camera.viewingToImageCoordinates(viewPoint) print(imagePoint)
WIDTH = 512
HEIGHT = 512
THETA = 45.0
P = vector(0.0,0.0,1.0) #Up vector
E = point(5.0,5.0,5.0) #Camera position
G = point(0.0,0.0,0.0) #Gaze point
L = point(5.0,0.0,3.0) #Set light position
C = (1.0,1.0,1.0) #Light color
I = (1.0,1.0,1.0) #Light intensity
light = lightSource(L,C,I)
window = graphicsWindow(WIDTH,HEIGHT)
camera = cameraMatrix(window,P,E,G,NP,FP,THETA)
#Creating a scene with three spheres
objectList = []
objectList.append(implicitSphere(color=(255,0,255),T=transform().translate(),reflectance=(0.2,0.4,0.4,10.0)))
objectList.append(implicitSphere(color=(0,255,0),T=transform().translate(Tx=-2.0,Tz=0.0),reflectance=(0.2,0.4,0.4,10.0)))
objectList.append(implicitSphere(color=(255,255,0),T=transform().translate(Tx=2.0,Tz=-0.0),reflectance=(0.2,0.4,0.4,10.0)))
for i in range(window.getWidth()):
for j in range(window.getHeight()):
direction = camera.getRay(window,i,j) #Compute ray direction
iList = camera.minimumIntersection(direction,objectList) #Find minimum intersection time for ray
#iList contains tuples (k,t0) where k is position of the object in the list
#and t0 is the minimum intersection time, sorted in increasing values of t0
if len(iList) > 0: #If we have an intersection, then set pixel (i,j) to color obtained with shader
window.drawPoint((i,j),shader(iList[0],direction,camera,objectList,light).getShade())