def box(args, env):
x, y, z, width, height, depth = args[1:]
color, stack, screen, symbols, knobs, frame, light = env
polygons = []
add_box(polygons, x, y, z, width, height, depth)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, color, light)
def box(args, env):
x, y, z, width, height, depth = args[1:]
color, stack, screen, symbols, knobs, frame, light = env
polygons = []
add_box(polygons, x, y, z, width, height, depth)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, color, light)
def torus(args, env):
x, y, z, r, R, coord_system = args[1:]
color, stack, screen, symbols, knobs, frame, light = env
step = int(round(4 * sqrt(r)))
polygons = []
add_torus(polygons, x, y, z, r, R, step)
mmult(stack.peek() if coord_system is None else coord_system, polygons)
draw_polygons(polygons, screen, color, light)
def torus(args, env):
x, y, z, r, R, coord_system = args[1:]
color, stack, screen, symbols, knobs, frame, light = env
step = int(round(4 * sqrt(r)))
polygons = []
add_torus(polygons, x, y, z, r, R, step)
mmult(stack.peek() if coord_system is None else coord_system, polygons)
draw_polygons(polygons, screen, color, light)
def line(args, env):
# Semantic analyzer
x0, y0, z0, x1, y1, z1 = args[1:]
color, stack, screen, symbols, knobs, frame = env
# Immediately draw line to screen
edges = []
add_edge(edges, x0, y0, z0, x1, y1, z1)
mmult(stack.peek(), edges)
draw_lines(edges, screen, color)
def line(args, env):
# Semantic analyzer
x0, y0, z0, x1, y1, z1 = args[1:]
color, stack, screen, symbols, knobs, frame = env
# Immediately draw line to screen
edges = []
add_edge(edges, x0, y0, z0, x1, y1, z1)
mmult(stack.peek(), edges)
draw_lines(edges, screen, color)
def sphere(args, env):
x, y, z, r, coord_system = args[1:]
color, stack, screen, symbols, knobs, frame = env
step = int(round(2 * sqrt(r)))
polygons = []
add_sphere(polygons, x, y, z, r, step)
mmult(stack.peek() if coord_system is None else coord_system, polygons)
draw_polygons(polygons, screen, color)
def transform_points(self, points):
mmult(self.peek(), points)
def mult(self, matrix):
#mmult(matrix, self.peek())
# We be multiplying them backward
mmult(self.peek(), matrix)
self.stack[-1] = matrix
def parse_file( fname, screen, pen ):
# transformation matrix stack
stack = Stack()
# Iterating over the file so we can keep it open
# Allows us to use stdin
with open(fname) as fd:
itr = iter(fd)
# Do not loop through the list because we need to get multiple elements
while True:
cmd = next(itr, "quit").strip().lower()
# Skip comments and blank lines
if cmd == '' or cmd[0] == '#':
continue
print cmd
# 2-D drawing routines
if cmd == "line":
args = next(itr).strip().lower().split()
x0 = float(args[0])
y0 = float(args[1])
z0 = float(args[2])
x1 = float(args[3])
y1 = float(args[4])
z1 = float(args[5])
# Immediately draw line to screen
edges = []
add_edge(edges, x0, y0, z0, x1, y1, z1)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
elif cmd == "circle" or cmd == "c":
args = next(itr).strip().lower().split()
cx = float(args[0])
cy = float(args[1])
cz = 0
r = float(args[2])
step = 1/round(4 * sqrt(r))
# Immediately draw curve to screen
edges = []
add_circle(edges, cx, cy, cz, r, step)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
elif cmd == "hermite" or cmd == "h":
args = next(itr).strip().lower().split()
x = [float(s) for s in args[:4]]
y = [float(s) for s in args[4:]]
# Immediately draw curve to screen
edges = []
add_curve(edges, x[0], x[1], x[2], x[3], y[0], y[1], y[2], y[3], 0.05, HERMITE)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
elif cmd == "bezier" or cmd == "b":
args = next(itr).strip().lower().split()
x = [float(s) for s in args[:4]]
y = [float(s) for s in args[4:]]
# Immediately draw curve to screen
edges = []
add_curve(edges, x[0], x[1], x[2], x[3], y[0], y[1], y[2], y[3], 0.05, BEZIER)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
# 3-D drawing routines
elif cmd == "box":
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = float(args[2])
width = float(args[3])
height = float(args[4])
depth = float(args[5])
polygons = []
add_box(polygons, x, y, z, width, height, depth)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, pen)
elif cmd == 'sphere':
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = 0
r = float(args[2])
step = int(round(2 * sqrt(r)))
polygons = []
add_sphere(polygons, x, y, z, r, step)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, pen)
elif cmd == 'torus':
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = 0
r = float(args[2])
R = float(args[3])
step = int(round(3 * sqrt(r)))
polygons = []
add_torus(polygons, x, y, z, r, R, step)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, pen)
# matrix control operations
elif cmd == "translate":
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = float(args[2])
u = make_translate(x, y, z)
stack.mult(u)
elif cmd == "scale":
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = float(args[2])
u = make_scale(x, y, z)
stack.mult(u)
elif cmd == 'xrotate':
args = next(itr).strip().lower().split()
u = make_rotX(radians(float(args[0])))
stack.mult(u)
elif cmd == 'yrotate':
args = next(itr).strip().lower().split()
u = make_rotY(radians(float(args[0])))
stack.mult(u)
elif cmd == 'zrotate':
args = next(itr).strip().lower().split()
u = make_rotZ(radians(float(args[0])))
stack.mult(u)
elif cmd == "push":
stack.push()
elif cmd == "pop":
stack.pop()
# engine control operations
elif cmd == "display":
display(screen)
elif cmd == "save":
args = next(itr).strip().lower().split()
fname = args[0]
if fname is not None:
if fname[-4:].lower() == ".ppm":
save_ppm(screen, fname)
else:
save_extension(screen, fname)
elif cmd == "quit":
return
# handle invalid commands
else:
print 'Invalid command:', cmd
def transform_points(self, points):
mmult(self.peek(), points)
def mult(self, matrix):
#mmult(matrix, self.peek())
# We be multiplying them backward
mmult(self.peek(), matrix)
self.stack[-1] = matrix
def parse_file(fname, screen, pen):
# transformation matrix stack
stack = Stack()
# Iterating over the file so we can keep it open
# Allows us to use stdin
with open(fname) as fd:
itr = iter(fd)
# Do not loop through the list because we need to get multiple elements
while True:
cmd = next(itr, "quit").strip().lower()
# Skip comments and blank lines
if cmd == '' or cmd[0] == '#':
continue
print cmd
# 2-D drawing routines
if cmd == "line":
args = next(itr).strip().lower().split()
x0 = float(args[0])
y0 = float(args[1])
z0 = float(args[2])
x1 = float(args[3])
y1 = float(args[4])
z1 = float(args[5])
# Immediately draw line to screen
edges = []
add_edge(edges, x0, y0, z0, x1, y1, z1)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
elif cmd == "circle" or cmd == "c":
args = next(itr).strip().lower().split()
cx = float(args[0])
cy = float(args[1])
cz = 0
r = float(args[2])
step = 1/round(4 * sqrt(r))
# Immediately draw curve to screen
edges = []
add_circle(edges, cx, cy, cz, r, step)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
elif cmd == "hermite" or cmd == "h":
args = next(itr).strip().lower().split()
x = [float(s) for s in args[:4]]
y = [float(s) for s in args[4:]]
# Immediately draw curve to screen
edges = []
add_curve(edges, x[0], x[1], x[2], x[3], y[0], y[1], y[2], y[3], 0.05, HERMITE)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
elif cmd == "bezier" or cmd == "b":
args = next(itr).strip().lower().split()
x = [float(s) for s in args[:4]]
y = [float(s) for s in args[4:]]
# Immediately draw curve to screen
edges = []
add_curve(edges, x[0], x[1], x[2], x[3], y[0], y[1], y[2], y[3], 0.05, BEZIER)
mmult(stack.peek(), edges)
draw_lines(edges, screen, pen)
# 3-D drawing routines
elif cmd == "box":
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = float(args[2])
width = float(args[3])
height = float(args[4])
depth = float(args[5])
polygons = []
add_box(polygons, x, y, z, width, height, depth)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, pen)
elif cmd == 'sphere':
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = 0
r = float(args[2])
step = int(round(2 * sqrt(r)))
polygons = []
add_sphere(polygons, x, y, z, r, step)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, pen)
elif cmd == 'torus':
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = 0
r = float(args[2])
R = float(args[3])
step = int(round(3 * sqrt(r)))
polygons = []
add_torus(polygons, x, y, z, r, R, step)
mmult(stack.peek(), polygons)
draw_polygons(polygons, screen, pen)
# matrix control operations
elif cmd == "translate":
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = float(args[2])
u = make_translate(x, y, z)
stack.mult(u)
elif cmd == "scale":
args = next(itr).strip().lower().split()
x = float(args[0])
y = float(args[1])
z = float(args[2])
u = make_scale(x, y, z)
stack.mult(u)
elif cmd == 'xrotate':
args = next(itr).strip().lower().split()
u = make_rotX(radians(float(args[0])))
stack.mult(u)
elif cmd == 'yrotate':
args = next(itr).strip().lower().split()
u = make_rotY(radians(float(args[0])))
stack.mult(u)
elif cmd == 'zrotate':
args = next(itr).strip().lower().split()
u = make_rotZ(radians(float(args[0])))
stack.mult(u)
elif cmd == "push":
stack.push()
elif cmd == "pop":
stack.pop()
# engine control operations
elif cmd == "display":
display(screen)
elif cmd == "save":
args = next(itr).strip().lower().split()
fname = args[0]
if fname is not None:
if fname[-4:].lower() == ".ppm":
save_ppm(screen, fname)
else:
save_extension(screen, fname)
elif cmd == "quit":
return
# handle invalid commands
else:
print 'Invalid command:', cmd
