def calcLightPos(light):
return tuple(
matrix.transform3(
matrix.rotx(-objrot[0]) *
matrix.roty(-objrot[1]) *
matrix.rotz(-objrot[2]),
light.position))
def sortFaces(self):
camera = G.cameras[0]
indices = self.primitives[self.nPrimitives -
self.nTransparentPrimitives:]
if len(indices) == 0:
return
m = matrix.translate(-self.translation)
m = matrix.rotx(-self.rx) * m
m = matrix.roty(-self.ry) * m
m = matrix.rotz(-self.rz) * m
m = matrix.translate(self.translation) * m
cxyz = matrix.transform3(m, camera.eye)
# Prepare sorting data
verts = self.verts[indices] - cxyz
distances = np.sum(verts**2, axis=-1)
distances = np.amin(distances, axis=-1)
distances = -distances
# Sort
order = np.argsort(distances)
indices2 = indices[order, :]
indices[...] = indices2
def sortFaces(self):
import numpy as np
import matrix
camera = G.cameras[0]
indices = self.primitives[self.nPrimitives - self.nTransparentPrimitives:]
if len(indices) == 0:
return
m = matrix.translate(-self.translation)
m = matrix.rotx(-self.rx) * m
m = matrix.roty(-self.ry) * m
m = matrix.rotz(-self.rz) * m
m = matrix.translate(self.translation) * m
cxyz = matrix.transform3(m, camera.eye)
# Prepare sorting data
verts = self.verts[indices] - cxyz
distances = np.sum(verts ** 2, axis = -1)
distances = np.amin(distances, axis = -1)
distances = -distances
# Sort
order = np.argsort(distances)
indices2 = indices[order,:]
indices[...] = indices2
def calcLightPos(light):
return tuple(
matrix.transform3(
matrix.rotx(-objrot[0]) *
matrix.roty(-objrot[1]) *
matrix.rotz(-objrot[2]),
light.position))
def transform(self):
m = matrix.translate(self.loc)
if any(x != 0 for x in self.rot):
m = m * matrix.rotx(self.rx)
m = m * matrix.roty(self.ry)
m = m * matrix.rotz(self.rz)
if any(x != 1 for x in self.scale):
m = m * matrix.scale(self.scale)
return m
def transform(self):
m = matrix.translate(self.loc)
if any(x != 0 for x in self.rot):
m = m * matrix.rotx(self.rx)
m = m * matrix.roty(self.ry)
m = m * matrix.rotz(self.rz)
if any(x != 1 for x in self.scale):
m = m * matrix.scale(self.scale)
return m
def animate_rotation(self, view_subset, axis, theta, steps, origin = None, delay = 0.001):
dtheta = theta / steps
rot = None
axis = axis.lower()
if axis == 'x':
rot = matrix.rotx(dtheta)
elif axis == 'y':
rot = matrix.roty(dtheta)
elif axis == 'z':
rot = matrix.rotz(dtheta)
run_already = True
for i in range(steps):
if run_already:
self.erase()
self.transform_subset(view_subset, rot, origin)
self.draw()
self.win.refresh()
if i < (steps - 1):
time.sleep(delay)
run_already = True
def animate_scramble_in_one_step(self, scramble, steps_per_turn = 20):
if steps_per_turn == None:
steps = config.STEPS_PER_TURN
else:
steps = steps_per_turn
scramble = scramble.upper()
scramble_list = scramble.split()
transform_dict = {}
for s in scramble_list:
affected_tiles = self.cube.get_affected_tiles(s)
self.cube.transform_using_string(s)
axis, theta = self.get_trans_from_string(s)
axis = axis.lower()
r = None
if axis == 'x':
r = matrix.rotx(theta)
elif axis == 'y':
r = matrix.roty(theta)
elif axis == 'z':
r = matrix.rotz(theta)
if r == None:
print "Error: rotation about invalid axis: ", axis
return
for t in affected_tiles:
if t not in transform_dict.keys():
transform_dict[t] = matrix.Matrix(list(r.data))
else:
transform_dict[t] = matrix.multiply(matrix.Matrix(list(r.data)), transform_dict[t])
for tile in transform_dict.keys():
total_transform = transform_dict[tile]
axis, angle = matrix.get_axis_and_angle_from_rot(total_transform)
dtheta = angle / steps
transform_dict[tile] = matrix.rotv(axis, dtheta)
for s in range(steps):
self.pvc.erase()
for tile in transform_dict.keys():
self.pvc.views[tile].transform(transform_dict[tile], self.origin)
self.display()
def init_poly_views(self, win, tilesize, gapsize, origin, deltaz = 1.00):
# def make_xz_tile(tile_center, tilesize):
# radius = 0.5 * tilesize
# n = 4
# dtheta = 2.0 * math.pi / n
# points = []
# for i in range(n):
# points.append([tile_center[0] - radius * math.cos(i * dtheta), \
# tile_center[1], \
# tile_center[2] + radius * math.sin(i * dtheta)])
# return points
def make_xz_tile(tile_center, tilesize):
half = 0.5 * tilesize
points = [[tile_center[0] - half, tile_center[1], tile_center[2] + half], \
[tile_center[0] + half, tile_center[1], tile_center[2] + half], \
[tile_center[0] + half, tile_center[1], tile_center[2] - half], \
[tile_center[0] - half, tile_center[1], tile_center[2] - half]]
return points
def make_xy_tile(tile_center, tilesize):
half = 0.5 * tilesize
points = [[tile_center[0] - half, tile_center[1] - half, tile_center[2]], \
[tile_center[0] + half, tile_center[1] - half, tile_center[2]], \
[tile_center[0] + half, tile_center[1] + half, tile_center[2]], \
[tile_center[0] - half, tile_center[1] + half, tile_center[2]]]
return points
def make_yz_tile(tile_center, tilesize):
half = 0.5 * tilesize
points = [[tile_center[0], tile_center[1] - half, tile_center[2] - half], \
[tile_center[0], tile_center[1] - half, tile_center[2] + half], \
[tile_center[0], tile_center[1] + half, tile_center[2] - half], \
[tile_center[0], tile_center[1] + half, tile_center[2] + half]]
return points
def operate_on_list_of_tiles(trans, tile_list, origin):
tile_list_copy = copy.deepcopy(tile_list)
for i in range(len(tile_list_copy)):
tile_list_copy[i] = trans.list_operate(tile_list_copy[i], origin)
return tile_list_copy
self.poly_views = []
# make top face:
# start at back left corner
rotx = matrix.rotx(0.5 * math.pi)
rotxi = matrix.rotx(-0.5 * math.pi)
rotx2 = matrix.rotx(math.pi)
rotz = matrix.rotz(0.5 * math.pi)
rotz2 = matrix.rotz(math.pi)
#roty = matrix.roty(0.5 * math.pi)
#rotyi = matrix.roty(-0.5 * math.pi)
tile_center = [origin[0] - tilesize - gapsize, \
origin[1] - 1.5 * tilesize - 2 * gapsize, \
origin[2] + tilesize + gapsize]
# construct vertices for top face tile polygons
top_points_list = []
tile_points = make_xz_tile(tile_center, tilesize)
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [tilesize + gapsize, 0.0, 0.0])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [tilesize + gapsize, 0.0, 0.0])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [- 2 * (tilesize + gapsize), 0.0, -(tilesize + gapsize)])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [tilesize + gapsize, 0.0, 0.0])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [tilesize + gapsize, 0.0, 0.0])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [- 2 * (tilesize + gapsize), 0.0, -(tilesize + gapsize)])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [tilesize + gapsize, 0.0, 0.0])
top_points_list.append(list(tile_points))
tile_points = matrix.translate_points(tile_points, [tilesize + gapsize, 0.0, 0.0])
top_points_list.append(list(tile_points))
# construct other faces by copying and iteratively transforming top face tile polygons
front_points_list = copy.deepcopy(top_points_list)
front_points_list = operate_on_list_of_tiles(rotx, front_points_list, origin)
bottom_points_list = copy.deepcopy(front_points_list)
bottom_points_list = operate_on_list_of_tiles(rotx, bottom_points_list, origin)
back_points_list = copy.deepcopy(bottom_points_list)
back_points_list = operate_on_list_of_tiles(rotx, back_points_list, origin)
back_points_list = operate_on_list_of_tiles(rotz2, back_points_list, origin)
right_points_list = copy.deepcopy(top_points_list)
right_points_list = operate_on_list_of_tiles(rotz, right_points_list, origin)
right_points_list = operate_on_list_of_tiles(rotx, right_points_list, origin)
left_points_list = copy.deepcopy(bottom_points_list)
left_points_list = operate_on_list_of_tiles(rotz, left_points_list, origin)
left_points_list = operate_on_list_of_tiles(rotxi, left_points_list, origin)
facedict = { 'U': top_points_list, \
'F': front_points_list, \
'R': right_points_list, \
'B': back_points_list, \
'L': left_points_list, \
'D': bottom_points_list }
self.pvc = view.PolyViewCollection([], win, origin, deltaz = 0.5, camera = self.camera)
for face_name in ['U', 'F', 'R', 'B', 'L', 'D']:
face = facedict[face_name]
for points in face:
if self.border_color == None:
bc = self.color_pairs[face_name] # no border
else:
bc = self.border_color
self.pvc.append(view.PolyView(win, graphics3d.Poly3d(points), deltaz = deltaz, \
border_color = bc, \
fill_color = self.color_pairs[face_name], \
char = ' '))
