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Python OpenMaya.MVector方法代碼示例

本文整理匯總了Python中maya.OpenMaya.MVector方法的典型用法代碼示例。如果您正苦於以下問題:Python OpenMaya.MVector方法的具體用法?Python OpenMaya.MVector怎麽用?Python OpenMaya.MVector使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在maya.OpenMaya的用法示例。


在下文中一共展示了OpenMaya.MVector方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: sample_triangle

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def sample_triangle(self,triangle_id, point_id):
        """ sample a random point on a the given triangle """

        r = random.random()
        s = random.random()

        if r + s >= 1:
            r = 1 - r
            s = 1 - s

        r = om.MScriptUtil(r).asFloat()
        s = om.MScriptUtil(s).asFloat()

        r = self.geo_cache.AB[triangle_id] * r
        s = self.geo_cache.AC[triangle_id] * s

        p = om.MPoint(r + s + om.MVector(self.geo_cache.p0[triangle_id]))
        u = 0
        v = 0

        self.point_data.set(point_id, p, self.geo_cache.normals[triangle_id],
                            self.geo_cache.poly_id[triangle_id], u, v) 
開發者ID:wiremas,項目名稱:spore,代碼行數:24,代碼來源:spore_sampler.py

示例2: slope_filter

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def slope_filter(self, min_slope, max_slope, fuzz):

        world = om.MVector(0, 1, 0)

        invalid_ids = []
        for i, (_, normal, _, _, _) in enumerate(self.point_data):
            normal = om.MVector(normal[0], normal[1], normal[2])
            angle = math.degrees(normal.angle(world)) + 45 * random.uniform(-fuzz, fuzz)

            if angle < min_slope or angle > max_slope:
                invalid_ids.append(i)

        invalid_ids = sorted(invalid_ids, reverse=True)
        [self.point_data.remove(index) for index in invalid_ids]


        pass 
開發者ID:wiremas,項目名稱:spore,代碼行數:19,代碼來源:spore_sampler.py

示例3: get_rotation

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def get_rotation(self, direction, weight, min_rot, max_rot):
        """ get rotation from a matrix pointing towards the given direction
        slerped by the given weight into the world up vector and added a random
        rotation between min and max rotation """

        r_x = math.radians(random.uniform(min_rot[0], max_rot[0]))
        r_y = math.radians(random.uniform(min_rot[1], max_rot[1]))
        r_z = math.radians(random.uniform(min_rot[2], max_rot[2]))
        util = om.MScriptUtil()
        util.createFromDouble(r_x, r_y, r_z)
        rotation_ptr = util.asDoublePtr()

        matrix = om.MTransformationMatrix()
        matrix.setRotation(rotation_ptr, om.MTransformationMatrix.kXYZ)
        world_up = om.MVector(0, 1, 0)
        rotation = om.MQuaternion(world_up, direction, weight)
        matrix = matrix.asMatrix() * rotation.asMatrix()
        rotation = om.MTransformationMatrix(matrix).rotation().asEulerRotation()

        return om.MVector(math.degrees(rotation.x),
                          math.degrees(rotation.y),
                          math.degrees(rotation.z)) 
開發者ID:wiremas,項目名稱:spore,代碼行數:24,代碼來源:spore_sampler.py

示例4: align_action

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def align_action(self, flag):
        position, normal, tangent = self.get_brush_coords()
        radius = self.brush_state.radius
        neighbour = self.instance_data.get_closest_points(position, radius, self.brush_state.settings['ids'])
        if neighbour:
            self.set_cache_length(len(neighbour))
        else:
            return

        for i, index in enumerate(neighbour):
            rotation = self.instance_data.rotation[index]

            # add to undo stack
            if not self.last_state.has_key(index):
                self.last_state[index] = om.MVector(rotation.x, rotation.y, rotation.z)

            normal = self.instance_data.normal[index]
            direction = self.get_alignment(normal)
            rotation = self.rotate_into(direction, rotation)
            self.rotation.set(rotation, i)

        self.instance_data.set_points(neighbour, rotation=self.rotation)
        self.instance_data.set_state() 
開發者ID:wiremas,項目名稱:spore,代碼行數:25,代碼來源:spore_context.py

示例5: scale_action

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def scale_action(self, flag):
        position, normal, tangent = self.get_brush_coords()
        radius = self.brush_state.radius

        neighbour = self.instance_data.get_closest_points(position, radius, self.brush_state.settings['ids'])
        if neighbour:
            self.set_cache_length(len(neighbour))
        else:
            return

        for i, index in enumerate(neighbour):
            value = self.instance_data.scale[index]
            factor = self.brush_state.settings['scale_factor']
            falloff_weight = self.get_falloff_weight(self.instance_data.position[index])
            factor = (factor - 1) * falloff_weight + 1
            self.scale.set(value * factor, i)

            # add to undo stack
            if not self.last_state.has_key(index):
                self.last_state[index] = om.MVector(value.x, value.y, value.z)

        self.instance_data.set_points(neighbour, scale=self.scale)
        self.instance_data.set_state() 
開發者ID:wiremas,項目名稱:spore,代碼行數:25,代碼來源:spore_context.py

示例6: undo_vector_action

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def undo_vector_action(self, attr, undo_command):
        """ undo transformation attributes.
        scale, rotatio be undone with this method
        :param attr: the instance data attribute that should changed
        :type attr: string
        :param undo_command: a list of index, x, y, z vale, repeating in this pattern
        :type undo_command: list
        :return: """

        if not hasattr(self.instance_data, attr):
            self.logger.error('Instance data has not attribute: {}'.format(attr))
            return

        ids = []
        values = om.MVectorArray()
        for i in range(len(undo_command) / 4):
            ids.append(int(undo_command[i * 4]))
            val_x = float(undo_command[i * 4 + 1])
            val_y = float(undo_command[i * 4 + 2])
            val_z = float(undo_command[i * 4 + 3])
            values.append(om.MVector(val_x, val_y, val_z))

        self.instance_data.set_points(ids, **{attr: values})
        self.instance_data.set_state() 
開發者ID:wiremas,項目名稱:spore,代碼行數:26,代碼來源:spore_context.py

示例7: get_scale

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def get_scale(self, flag, index=0):
        """ get scale values for the currently saved point at the given index """

        # when we in drag mode we want to maintain old scale values
        if self.brush_state.shift_mod and flag != SporeToolCmd.k_click:
            scale = self.initial_scale[index]

        # otherweise we generate new values
        else:
            min_scale = self.brush_state.settings['min_scale']
            max_scale = self.brush_state.settings['max_scale']
            uniform = self.brush_state.settings['uni_scale']
            if uniform:
                scale_x = scale_y = scale_z = random.uniform(min_scale[0], max_scale[0])
            else:
                scale_x = random.uniform(min_scale[0], max_scale[0])
                scale_y = random.uniform(min_scale[1], max_scale[1])
                scale_z = random.uniform(min_scale[2], max_scale[2])

            scale = om.MVector(scale_x, scale_y, scale_z)
            self.initial_scale.set(scale, index)

        return scale 
開發者ID:wiremas,項目名稱:spore,代碼行數:25,代碼來源:spore_context.py

示例8: hit_test

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def hit_test(target, x, y, invert_y=True):

    origin = om.MPoint()
    direction = om.MVector()
    view = window_utils.active_view()

    if invert_y:
        y = view.portHeight() - y

    view.viewToWorld(x, y, origin, direction)
    mesh_fn = get_mesh_fn(target)

    if mesh_fn:
        points = om.MPointArray()
        intersect = mesh_fn.intersect(origin, direction, points, 1.0e-3, om.MSpace.kWorld)
        if intersect:
            point = points[0]
            normal = om.MVector()
            mesh_fn.getClosestNormal(point, normal, om.MSpace.kWorld)
            tangent = get_tangent(normal)

            position = (point.x, point.y, point.z)
            tangent = (tangent.x, tangent.y, tangent.z)
            normal = (normal.x, normal.y, normal.z)
            return (position, normal, tangent) 
開發者ID:wiremas,項目名稱:spore,代碼行數:27,代碼來源:mesh_utils.py

示例9: get_closest_point_and_normal

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def get_closest_point_and_normal(point, target):
    """ find the closest point and normal to the given point
    :return: closest point
             closest normal
             distance to the closest point """

    closest_point = None
    closest_normal = None
    #  shortest_distance = None

    #  for target in targets:
    mesh_fn = get_mesh_fn(target)
    out_point = om.MPoint()
    out_normal = om.MVector()
    mesh_fn.getClosestPointAndNormal(point, out_point, out_normal, om.MSpace.kWorld)
    #  out_tangent = get_tangent(normal)

    return out_point, out_normal 
開發者ID:wiremas,項目名稱:spore,代碼行數:20,代碼來源:mesh_utils.py

示例10: get_tangent

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def get_tangent(normal):
    """ return a normalized tangent for the given normal I
    :param normal MVector: normal vector
    :return MVector: tangent """

    if isinstance(normal, om.MVector):
        u = normal ^ om.MVector(0, 0, 1)
        v = normal ^ om.MVector(0, 1, 0)

        if u.length() > v.length():
            tangent = u.normal()
        else:
            tangent = v.normal()

        return (normal ^ tangent).normal()

    else:
        raise TypeError('Input must be of type MVector, is: {}'.format(type(normal))) 
開發者ID:wiremas,項目名稱:spore,代碼行數:20,代碼來源:mesh_utils.py

示例11: __init__

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def __init__(self, t=datatypes.Matrix()):

        self.transform = t

        d = [t.data[j][i]
             for j in range(len(t.data))
             for i in range(len(t.data[0]))]

        m = OpenMaya.MMatrix()
        OpenMaya.MScriptUtil.createMatrixFromList(d, m)
        m = OpenMaya.MTransformationMatrix(m)

        x = OpenMaya.MVector(1, 0, 0).rotateBy(m.rotation())
        y = OpenMaya.MVector(0, 1, 0).rotateBy(m.rotation())
        z = OpenMaya.MVector(0, 0, 1).rotateBy(m.rotation())

        self.x = datatypes.Vector(x.x, x.y, x.z)
        self.y = datatypes.Vector(y.x, y.y, y.z)
        self.z = datatypes.Vector(z.x, z.y, z.z) 
開發者ID:mgear-dev,項目名稱:mgear_core,代碼行數:21,代碼來源:vector.py

示例12: getNormals

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def getNormals(dag):
    """
    Get the average normal in world space of each vertex on the provided mesh.
    The reason why OpenMaya.MItMeshVertex function has to be used is that the
    MFnMesh class returns incorrect normal results.

    :param OpenMaya.MDagPath dag:
    :return: Normals
    :rtype: list
    """
    # variables
    normals = []

    iter = OpenMaya.MItMeshVertex(dag)
    while not iter.isDone():
        # get normal data
        normal = OpenMaya.MVector()
        iter.getNormal(normal, OpenMaya.MSpace.kWorld)
        normals.append(normal)

        iter.next()

    return normals 
開發者ID:robertjoosten,項目名稱:maya-skinning-tools,代碼行數:25,代碼來源:mesh.py

示例13: closestLineToPoint

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def closestLineToPoint(lines, point):
    """
    Loop over all lines and find the closest point on the line from the
    provided point. After this is done the list of lines is sorted based on
    closest distance to the line.

    :param dict lines:
    :param OpenMaya.MVector point:
    :return: Closest lines and points ordered on distance
    :rtype: tuple
    """
    # get closest point on the line for each line
    names, closestPoints = zip(
        *[
            (name, api.closestPointOnLine(line[0], line[1], point))
            for name, line in lines.iteritems()
        ]
    )

    # sort the closest points from shortest to longest depending on the
    # distance to the vertex in world space position.
    return api.sortByDistance(names, point, closestPoints) 
開發者ID:robertjoosten,項目名稱:maya-skinning-tools,代碼行數:24,代碼來源:joint.py

示例14: generate_reflection_curve

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def generate_reflection_curve(self):
        """Generates a curve which helps creating specular at the desired point
        """
        from maya.OpenMaya import MVector
        from anima.env.mayaEnv import auxiliary

        vtx = pm.ls(sl=1)[0]
        normal = vtx.getNormal(space='world')
        panel = auxiliary.Playblaster.get_active_panel()
        camera = pm.PyNode(pm.modelPanel(panel, q=1, cam=1))
        camera_axis = MVector(0, 0, -1) * camera.worldMatrix.get()

        refl = camera_axis - 2 * normal.dot(camera_axis) * normal

        # create a new curve
        p1 = vtx.getPosition(space='world')
        p2 = p1 + refl

        curve = pm.curve(d=1, p=[p1, p2])

        # move pivot to the first point
        pm.xform(curve, rp=p1, sp=p1) 
開發者ID:eoyilmaz,項目名稱:anima,代碼行數:24,代碼來源:render.py

示例15: boundingBox

# 需要導入模塊: from maya import OpenMaya [as 別名]
# 或者: from maya.OpenMaya import MVector [as 別名]
def boundingBox(self):
        
        # get the tPositions
        tPositions = self.getTPositions()
        
        # get the multiplier
        size = self.getSize()
        
        # create the bounding box
        bbox = OpenMaya.MBoundingBox()
        
        # add the positions one by one
        numOfTPos = tPositions.length()
        
        #print("numOfTPos in bbox : %s " % numOfTPos)
        
        for i in range(numOfTPos):
            
            # add the positive one
            bbox.expand( OpenMaya.MPoint( tPositions[i] + OpenMaya.MVector(size, size, size) ) )
            
            # add the negative one
            bbox.expand( OpenMaya.MPoint( tPositions[i] - OpenMaya.MVector(size, size, size) ) )
        
        return bbox 
開發者ID:eoyilmaz,項目名稱:anima,代碼行數:27,代碼來源:oyTrajectoryDrawer.py


注:本文中的maya.OpenMaya.MVector方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。