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 getModelMatrix(self, obj):
"""
Calculate model view matrix for this orbital camera
Currently ignores the actual model transformation
Note that matrix is constructed in reverse order (using post-multiplication)
"""
# Note: matrix is constructed with post-multiplication in reverse order
m = np.matrix(np.identity(4))
# First translate to camera center, then rotate around that center
m = m * matrix.translate(self.center) # Move mesh to original position again
if not obj.object.lockRotation:
if self.verticalInclination != 0:
m = m * matrix.rotx(self.verticalInclination)
if self.horizontalRotation != 0:
m = m * matrix.roty(self.horizontalRotation)
# Ignore scale (bounding boxes ignore scale as well, anyway)
# if any(x != 1 for x in self.scale):
# m = m * matrix.scale(self.scale)
center = [-self.center[0], -self.center[1], -self.center[2]]
m = m * matrix.translate(center) # Move mesh to its rotation center to apply rotation
if obj:
m = m * obj.object.transform # Apply object transform first
return m
def movePolygon(self, x, y):
global grabbedPoint
global grabbedPolygon
# Matrix that translates the polygon. It is shifted in order to move the polygon in relation to
# the point in which it was first clicked.
translationMatrix = matrix.translate(-grabbedPoint.x, -grabbedPoint.y,
0) * matrix.translate(x, y, 0)
# The polygon also moves the nail that attached it to a father, if there is one.
if self.fatherNail != None:
nailVector = [[self.fatherNail.x], [self.fatherNail.y], [0], [1]]
translatedNail = np.array(translationMatrix * nailVector)
if np.isnan(translatedNail[0][0]) or np.isnan(
translatedNail[1][0]):
return # nail position isn't updated if there is a NaN value
self.fatherNail.x = translatedNail[0][0]
self.fatherNail.y = translatedNail[1][0]
# Each vertex of the polygon is translated.
for vertex in self.vertexes:
vertexVector = [[vertex.x], [vertex.y], [vertex.z], [1]]
translatedVector = np.array(translationMatrix * vertexVector)
vertex.x = translatedVector[0][0]
vertex.y = translatedVector[1][0]
self.triangulate() # the polygon's respective triangles are updated
# Recursively, each descendant of the polygon is translated as well
for child in self.children:
child.movePolygon(x, y)
# The root updates the mouse position that is grabbing the polygon, after all
# polygons in the tree have moved.
if self == grabbedPolygon: grabbedPoint = Vertex(x, y)
def getModelMatrix(self, obj):
"""
Calculate model view matrix for this orbital camera
Currently ignores the actual model transformation
Note that matrix is constructed in reverse order (using post-multiplication)
"""
# Note: matrix is constructed with post-multiplication in reverse order
m = np.matrix(np.identity(4))
# First translate to camera center, then rotate around that center
m = m * matrix.translate(
self.center) # Move mesh to original position again
if not obj.object.lockRotation:
if self.verticalInclination != 0:
m = m * matrix.rotx(self.verticalInclination)
if self.horizontalRotation != 0:
m = m * matrix.roty(self.horizontalRotation)
# Ignore scale (bounding boxes ignore scale as well, anyway)
#if any(x != 1 for x in self.scale):
# m = m * matrix.scale(self.scale)
center = [-self.center[0], -self.center[1], -self.center[2]]
m = m * matrix.translate(
center) # Move mesh to its rotation center to apply rotation
if obj:
m = m * obj.object.transform # Apply object transform first
return m
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 opengl绘图循环(所有图层):
glfw.init()
glfw.window_hint(glfw.RESIZABLE, False)
window = glfw.create_window(500, 500, 'Vtuber', None, None)
glfw.make_context_current(window)
glViewport(0, 0, 500, 500)
glEnable(GL_TEXTURE_2D)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
for 图层数据 in 所有图层:
纹理编号 = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, 纹理编号)
纹理 = cv2.resize(图层数据['npdata'], (512, 512))
width, height = 纹理.shape[:2]
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_BGRA,
GL_FLOAT, 纹理)
glGenerateMipmap(GL_TEXTURE_2D)
图层数据['纹理编号'] = 纹理编号
while not glfw.window_should_close(window):
glfw.poll_events()
glClearColor(1, 1, 1, 1)
glClear(GL_COLOR_BUFFER_BIT)
for 图层数据 in 所有图层:
a, b, c, d = 图层数据['位置']
z = 图层数据['深度']
p1 = np.array([a, b, z, 1, 0, 0])
p2 = np.array([a, d, z, 1, 1, 0])
p3 = np.array([c, d, z, 1, 1, 1])
p4 = np.array([c, b, z, 1, 0, 1])
model = matrix.scale(1 / 250, 1 / 250, 1) @ \
matrix.translate(-1, -1, 0) @ \
matrix.rotate_ax(-math.pi / 2, axis=(0, 1))
glBindTexture(GL_TEXTURE_2D, 图层数据['纹理编号'])
glColor4f(1, 1, 1, 1)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glBegin(GL_QUADS)
for p in [p1, p2, p3, p4]:
a = p[:4]
b = p[4:6]
a = a @ model
a[0] *= a[2]
a[1] *= a[2]
if not 图层数据['名字'][:2] == '身体':
横角, 竖角 = 特征缓冲()
a = a @ \
matrix.translate(0, 0, -1) @ \
matrix.rotate_ax(横角, axis=(0, 2)) @ \
matrix.rotate_ax(竖角, axis=(2, 1)) @ \
matrix.translate(0, 0, 1)
a = a @ matrix.perspective(999)
glTexCoord2f(*b)
glVertex4f(*a)
glEnd()
glfw.swap_buffers(window)
def addLeaf(self, c=None, r=None): if c is None and self.leafCol is None: cols = [colors["medium orchid"], colors["magenta"], colors["pastel pink"], colors["orange red"], colors["cyan"]] rand = random.randint(0, len(cols) - 1) c = cols[rand] self.leafCol = c if self.leafCol is not None: c = self.leafCol if r is None: r = self.r - 3 t = self.position() m = self.rotMatrix m = matrix.dot(matrix.translate(t[0],t[1],t[2]), m).tolist() flower = union()( translate([0, 0.5, 0])(sphere(r)), translate([0, -0.5, 0])(sphere(r)), translate([0, 0, 0.5])(sphere(r)), translate([0, 0, -0.5])(sphere(r)) ) self.nodes.append( (multmatrix(m) (color(c) (flower) ) ) )
def forward(self,distance):
if distance <= 0:
return
self.h = distance
if self.down:
if self.rotVector is not None:
t = self.position()
m = self.rotMatrix
if self.__mode == "standard":
# move initial cylinder to x axis.
m = matrix.dot(m, matrix.rotate(90,0,1,0))
m = matrix.dot(matrix.translate(t[0],t[1],t[2]), m).tolist()
self.addNode(m)
if self.showAxes:
self.__drawAxes()
else:
if self.dir == 'Z':
self.addNode2(ang = [-90, 0, self.curAng])
else:
self.addNode2()
# update current position
self.curPoint = np.add(self.curPoint, self.h * self.heading())
if turtle.__fullDebug__:
print("curPoint = %s" % self.position())
if turtle.__toDebug__:
print(" forward = %d -> heading = %s" % (self.h, self.heading().tolist()[:-1]))
def mapImageGL(srcImg, mesh, leftTop, rightBottom):
log.debug("mapImageGL: 1")
dstImg = gui3d.app.selectedHuman.meshData.object3d.textureTex
dstW = dstImg.width
dstH = dstImg.height
left, top = leftTop
right, bottom = rightBottom
camera = getCamera(mesh)
coords = mesh.r_texco
texmat = gui3d.app.modelCamera.getConvertToScreenMatrix(mesh)
texmat = matrix.scale((1/(right - left), 1/(top - bottom), 1)) * matrix.translate((-left, -bottom, 0)) * texmat
texmat = np.asarray(texmat)
texco = mesh.r_coord
alpha = np.sum(mesh.r_vnorm * camera[None,:], axis=-1)
alpha = np.maximum(alpha, 0)
color = (np.array([0, 0, 0, 0])[None,...] + alpha[...,None]) * 255
color = np.ascontiguousarray(color, dtype=np.uint8)
texco = np.ascontiguousarray(texco, dtype=np.float32)
result = mh.renderSkin(dstImg, mesh.vertsPerPrimitive, coords, index = mesh.index,
texture = srcImg, UVs = texco, textureMatrix = texmat,
color = color, clearColor = None)
return result
def opengl清楚绘图循环(所有图层, psd尺寸):
def 生成纹理(img):
w, h = img.shape[:2]
d = 2**int(max(math.log2(w), math.log2(h)) + 1)
纹理 = np.zeros([d, d, 4], dtype=img.dtype)
纹理[:w, :h] = img
return 纹理, (w / d, h / d)
Vtuber尺寸 = 512, 512
glfw.init()
glfw.window_hint(glfw.RESIZABLE, False)
window = glfw.create_window(*Vtuber尺寸, 'Vtuber', None, None)
glfw.make_context_current(window)
glViewport(0, 0, *Vtuber尺寸)
glEnable(GL_TEXTURE_2D)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
for 图层数据 in 所有图层:
纹理编号 = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, 纹理编号)
纹理, 纹理座标 = 生成纹理(图层数据['npdata'])
width, height = 纹理.shape[:2]
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_BGRA,
GL_FLOAT, 纹理)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR)
glGenerateMipmap(GL_TEXTURE_2D)
图层数据['纹理编号'] = 纹理编号
图层数据['纹理座标'] = 纹理座标
while not glfw.window_should_close(window):
glfw.poll_events()
glClearColor(1, 1, 1, 1)
glClear(GL_COLOR_BUFFER_BIT)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
for 图层数据 in 所有图层:
a, b, c, d = 图层数据['位置']
q, w = 图层数据['纹理座标']
p1 = np.array([a, b, 0, 1, 0, 0])
p2 = np.array([a, d, 0, 1, w, 0])
p3 = np.array([c, d, 0, 1, w, q])
p4 = np.array([c, b, 0, 1, 0, q])
model = matrix.scale(2 / psd尺寸[0], 2 / psd尺寸[1], 1) @ \
matrix.translate(-1, -1, 0) @ \
matrix.rotate_ax(-math.pi / 2, axis=(0, 1))
glBindTexture(GL_TEXTURE_2D, 图层数据['纹理编号'])
glColor4f(1, 1, 1, 1)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glBegin(GL_QUADS)
for p in [p1, p2, p3, p4]:
a = p[:4]
b = p[4:6]
a = a @ model
glTexCoord2f(*b)
glVertex4f(*a)
glEnd()
glfw.swap_buffers(window)
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 __drawAxes(self): r = self.r/8 if self.__mode == "standard": hx = self.h*0.8 hy = self.r*3 hz = self.r*3 else: hx = self.r*3 hy = self.r*3 hz = self.h*0.8 # draw the Z axis. c = np.add(self.curPoint, self.h*self.rotVector/2) m = matrix.dot(matrix.translate(c[0],c[1],c[2]), self.rotMatrix).tolist() self.addNode(m, [0,0,1], r, hz, False) # draw the Y axis. m = matrix.dot(self.rotMatrix, matrix.rotate(90,-1,0,0)) m = matrix.dot(matrix.translate(c[0],c[1],c[2]), m).tolist() self.addNode(m, [0,1,0], r, hy, False) # draw the X axis. m = matrix.dot(self.rotMatrix, matrix.rotate(90,0,1,0)) m = matrix.dot(matrix.translate(c[0],c[1],c[2]), m).tolist() self.addNode(m, [1,0,0], r, hx, False)
def mapImageGL(srcImg, mesh, leftTop, rightBottom):
progress = Progress()(0)
log.debug("mapImageGL: 1")
dstImg = G.app.selectedHuman.meshData.object3d.textureTex
dstW = dstImg.width
dstH = dstImg.height
left, top = leftTop
right, bottom = rightBottom
camera = getCamera(mesh)
coords = mesh.r_texco
texmat = G.app.modelCamera.getConvertToScreenMatrix(mesh)
texmat = matrix.scale(
(1 / (right - left), 1 / (top - bottom), 1)) * matrix.translate(
(-left, -bottom, 0)) * texmat
texmat = np.asarray(texmat)
texco = mesh.r_coord
alpha = np.sum(mesh.r_vnorm * camera[None, :], axis=-1)
alpha = np.maximum(alpha, 0)
color = (np.array([0, 0, 0, 0])[None, ...] + alpha[..., None]) * 255
color = np.ascontiguousarray(color, dtype=np.uint8)
texco = np.ascontiguousarray(texco, dtype=np.float32)
progress(0.5, 0.99)
result = mh.renderSkin(dstImg,
mesh.vertsPerPrimitive,
coords,
index=mesh.index,
texture=srcImg,
UVs=texco,
textureMatrix=texmat,
color=color,
clearColor=None)
progress(1)
return result
def opengl循环(所有图层, psd尺寸):
Vtuber尺寸 = 512, 512
glfw.init()
glfw.window_hint(glfw.RESIZABLE, False)
window = glfw.create_window(*Vtuber尺寸, 'Vtuber', None, None)
glfw.make_context_current(window)
glViewport(0, 0, *Vtuber尺寸)
glEnable(GL_TEXTURE_2D)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
for 图层数据 in 所有图层:
纹理编号 = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, 纹理编号)
纹理, 纹理座标 = 生成纹理(图层数据['npdata'])
width, height = 纹理.shape[:2]
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_BGRA, GL_FLOAT, 纹理)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
glGenerateMipmap(GL_TEXTURE_2D)
图层数据['纹理编号'] = 纹理编号
图层数据['纹理座标'] = 纹理座标
while not glfw.window_should_close(window):
glfw.poll_events()
glClearColor(1, 1, 1, 0)
glClear(GL_COLOR_BUFFER_BIT)
for 图层数据 in 所有图层:
a, b, c, d = 图层数据['位置']
z = 图层数据['深度']
if type(z) in [int, float]:
z1, z2, z3, z4 = [z, z, z, z]
else:
[z1, z2], [z3, z4] = z
q, w = 图层数据['纹理座标']
p1 = np.array([a, b, z1, 1, 0, 0, 0, 1])
p2 = np.array([a, d, z2, 1, w, 0, 0, 1])
p3 = np.array([c, d, z3, 1, w, q, 0, 1])
p4 = np.array([c, b, z4, 1, 0, q, 0, 1])
model = matrix.scale(2 / psd尺寸[0], 2 / psd尺寸[1], 1) @ \
matrix.translate(-1, -1, 0) @ \
matrix.rotate_ax(-math.pi / 2, axis=(0, 1))
glBindTexture(GL_TEXTURE_2D, 图层数据['纹理编号'])
glColor4f(1, 1, 1, 1)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glBegin(GL_QUADS)
for p in [p1, p2, p3, p4]:
a = p[:4]
b = p[4:]
a = a @ model
z = a[2]
a[0:2] *= z
b *= z
横旋转量 = 0
if not 图层数据['名字'] == '身体':
横旋转量 = math.sin(time.time() * 5) / 30
a = a @ matrix.translate(0, 0, -1) \
@ matrix.rotate_ax(横旋转量, axis=(0, 2)) \
@ matrix.translate(0, 0, 1)
a = a @ matrix.perspective(999)
glTexCoord4f(*b)
glVertex4f(*a)
glEnd()
glfw.swap_buffers(window)
def getFlipMatrix():
t = matrix.translate((0, G.windowHeight, 0))
s = matrix.scale((1, -1, 1))
return t * s
def getFlipMatrix():
t = matrix.translate((0, G.windowHeight, 0))
s = matrix.scale((1, -1, 1))
return t * s
def opengl绘图循环(所有图层, psd尺寸):
Vtuber尺寸 = 500, 500
glfw.init()
glfw.window_hint(glfw.RESIZABLE, False)
glfw.window_hint(glfw.DECORATED, False)
glfw.window_hint(glfw.TRANSPARENT_FRAMEBUFFER, True)
glfw.window_hint(glfw.FLOATING, True)
window = glfw.create_window(*Vtuber尺寸, 'Vtuber', None, None)
glfw.make_context_current(window)
monitor_size = glfw.get_video_mode(glfw.get_primary_monitor()).size
glfw.set_window_pos(window, monitor_size.width - Vtuber尺寸[0],
monitor_size.height - Vtuber尺寸[1])
glViewport(0, 0, *Vtuber尺寸)
glEnable(GL_TEXTURE_2D)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
for 图层数据 in 所有图层:
纹理编号 = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, 纹理编号)
纹理, 纹理座标 = 生成纹理(图层数据['npdata'])
width, height = 纹理.shape[:2]
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_BGRA,
GL_FLOAT, 纹理)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR)
glGenerateMipmap(GL_TEXTURE_2D)
图层数据['纹理编号'] = 纹理编号
图层数据['纹理座标'] = 纹理座标
while not glfw.window_should_close(window):
glfw.poll_events()
glClearColor(0, 0, 0, 0)
glClear(GL_COLOR_BUFFER_BIT)
横旋转量, 竖旋转量 = 特征缓冲()
for 图层数据 in 所有图层:
a, b, c, d = 图层数据['位置']
z1, z2, z3, z4 = 图层数据['深度']
q, w = 图层数据['纹理座标']
p1 = np.array([a, b, z1, 1, 0, 0, 0, z1])
p2 = np.array([a, d, z2, 1, z2 * w, 0, 0, z2])
p3 = np.array([c, d, z3, 1, z3 * w, z3 * q, 0, z3])
p4 = np.array([c, b, z4, 1, 0, z4 * q, 0, z4])
model = matrix.scale(2 / psd尺寸[0], 2 / psd尺寸[1], 1) @ \
matrix.translate(-1, -1, 0) @ \
matrix.rotate_ax(-math.pi / 2, axis=(0, 1))
glBindTexture(GL_TEXTURE_2D, 图层数据['纹理编号'])
glColor4f(1, 1, 1, 1)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glBegin(GL_QUADS)
t = []
for p in [p1, p2, p3, p4]:
a = p[:4]
b = p[4:8]
a = a @ model
a[0] *= a[2]
a[1] *= a[2]
if not 图层数据['名字'][:2] == '身体':
a = a @ \
matrix.translate(0, 0, -1) @ \
matrix.rotate_ax(横旋转量, axis=(0, 2)) @ \
matrix.rotate_ax(竖旋转量, axis=(2, 1)) @ \
matrix.translate(0, 0, 1)
a = a @ matrix.perspective(999)
glTexCoord4f(*b)
glVertex4f(*a)
glEnd()
glfw.swap_buffers(window)
def opengl绘图循环(所有图层, psd尺寸):
def 生成纹理(img):
w, h = img.shape[:2]
d = 2**int(max(math.log2(w), math.log2(h)) + 1)
纹理 = np.zeros([d, d, 4], dtype=img.dtype)
纹理[:w, :h] = img
return 纹理, (w / d, h / d)
Vtuber尺寸 = 512, 512
glfw.init()
超融合()
glfw.window_hint(glfw.RESIZABLE, False)
window = glfw.create_window(*Vtuber尺寸, 'Vtuber', None, None)
glfw.make_context_current(window)
monitor_size = glfw.get_video_mode(glfw.get_primary_monitor()).size
glfw.set_window_pos(window, monitor_size.width - Vtuber尺寸[0],
monitor_size.height - Vtuber尺寸[1])
glViewport(0, 0, *Vtuber尺寸)
glEnable(GL_TEXTURE_2D)
glEnable(GL_BLEND)
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE,
GL_ONE_MINUS_SRC_ALPHA)
for 图层数据 in 所有图层:
纹理编号 = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, 纹理编号)
纹理, 纹理座标 = 生成纹理(图层数据['npdata'])
width, height = 纹理.shape[:2]
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_BGRA,
GL_FLOAT, 纹理)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR)
glGenerateMipmap(GL_TEXTURE_2D)
图层数据['纹理编号'] = 纹理编号
图层数据['纹理座标'] = 纹理座标
while not glfw.window_should_close(window):
glfw.poll_events()
glClearColor(0, 0, 0, 0)
glClear(GL_COLOR_BUFFER_BIT)
横旋转量, 竖旋转量 = 特征缓冲()
for 图层数据 in 所有图层:
a, b, c, d = 图层数据['位置']
z = 图层数据['深度']
if type(z) in [int, float]:
z1, z2, z3, z4 = [z, z, z, z]
else:
[z1, z2], [z3, z4] = z
q, w = 图层数据['纹理座标']
p1 = np.array([a, b, z1, 1, 0, 0, 0, z1])
p2 = np.array([a, d, z2, 1, z2 * w, 0, 0, z2])
p3 = np.array([c, d, z3, 1, z3 * w, z3 * q, 0, z3])
p4 = np.array([c, b, z4, 1, 0, z4 * q, 0, z4])
model = matrix.scale(2 / psd尺寸[0], 2 / psd尺寸[1], 1) @ \
matrix.translate(-1, -1, 0) @ \
matrix.rotate_ax(-math.pi / 2, axis=(0, 1))
glBindTexture(GL_TEXTURE_2D, 图层数据['纹理编号'])
glColor4f(1, 1, 1, 1)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glBegin(GL_QUADS)
for p in [p1, p2, p3, p4]:
a = p[:4]
b = p[4:8]
a = a @ model
a[0:2] *= a[2]
if not 图层数据['名字'][:2] == '身体':
a = a @ matrix.translate(0, 0, -1) \
@ matrix.rotate_ax(横旋转量, axis=(0, 2)) \
@ matrix.rotate_ax(竖旋转量, axis=(2, 1)) \
@ matrix.translate(0, 0, 1)
a = a @ matrix.perspective(999)
glTexCoord4f(*b)
glVertex4f(*a)
glEnd()
glfw.swap_buffers(window)
def rotatePolygon(self, x, y):
global grabbedPoint
global grabbedPolygon
global rotationPoint
# Returns the angle between three points, in degrees.
# Useful for checking how much the polygon should rotate.
# Points a, b and c must be in the form np.array([x, y, z]).
def angleBetweenPoints(a, b, c):
ba = a - b
bc = c - b
# Avoids a division by zero
if (np.linalg.norm(ba) * np.linalg.norm(bc)) == 0: return 0
cosine_angle = np.dot(
ba, bc) / (np.linalg.norm(ba) * np.linalg.norm(bc))
# Avoids getting the arccos of a nonsensical cosine
if cosine_angle > 1: cosine_angle = 1
elif cosine_angle < -1: cosine_angle = -1
angle = np.arccos(cosine_angle)
if np.cross(ba, bc)[2] > 0:
return np.degrees(angle)
else:
return np.degrees(-angle)
if self == grabbedPolygon: rotationPoint = self.fatherNail
# Matrix that rotates the polygon around the father nail.
rotationMatrix = matrix.rotate(angleBetweenPoints( \
np.array([grabbedPoint.x, grabbedPoint.y, 0]), \
np.array([rotationPoint.x, rotationPoint.y, 0]), \
np.array([x, y, 0])\
), \
0, 0, 1)
# The defacto matrix that rotates the polygon. It shifts the polygon so that the father nail
# is in the origin, then it rotates around the father nail and finally shifts
# back to the original position.
nailRotationMatrix = matrix.translate(rotationPoint.x, rotationPoint.y, 0) * \
rotationMatrix * \
matrix.translate(-rotationPoint.x, -rotationPoint.y, 0)
# The polygon also moves the nail that attached it to a father. Useful for the recursion.
nailVector = [[self.fatherNail.x], [self.fatherNail.y], [0], [1]]
rotatedNail = np.array(nailRotationMatrix * nailVector)
if np.isnan(rotatedNail[0][0]) or np.isnan(rotatedNail[1][0]):
return # nail position isn't updated if there is a NaN value
self.fatherNail.x = rotatedNail[0][0]
self.fatherNail.y = rotatedNail[1][0]
# Each vertex of the polygon is rotated.
for vertex in self.vertexes:
vertexVector = [[vertex.x], [vertex.y], [vertex.z], [1]]
rotatedVector = np.array(nailRotationMatrix * vertexVector)
vertex.x = rotatedVector[0][0]
vertex.y = rotatedVector[1][0]
self.triangulate() # the polygon's respective triangles are updated
# Recursively, each descendant of the polygon is translated as well
for child in self.children:
child.rotatePolygon(x, y)
# The root updates the mouse position that is grabbing the polygon, after all
# polygons in the tree have moved.
if self == grabbedPolygon: grabbedPoint = Vertex(x, y)
def translate(self):
matrix.translate(model[self.qlistwidget.currentIndex().row()]['data'],
10, 0, 0)
self.opengl_widget.update()