def __constrain(self, vector, axis):
"""
private constrain (used to constrain axis)
"""
vector.sub(axis.mult(axis, PVector.dot(axis, vector)))
vector.normalize()
return vector
def mouseDragged(self, x, y):
"""
pass in mouse.x and mouse.y parameters from sketch
"""
self.v_drag = self.__mouse2sphere(x, y)
self.q_drag.set(PVector.dot(self.v_down, self.v_drag),
self.v_down.cross(self.v_drag))
def __constrain(self, vector, axis):
"""
private constrain (used to constrain axis)
"""
vector.sub(axis.mult(axis, PVector.dot(axis, vector)))
vector.normalize()
return vector
def dot(cls, a, b):
return __pvector__.dot(a, b)
def dot(cls, a, b):
return __pvector__.dot(a, b)
def dot(cls, a, b):
return RealPVector.dot(a, b)
def dot(cls, a, b):
return RealPVector.dot(a, b)
def mouseDragged(self, x, y):
"""
pass in mouse.x and mouse.y parameters from sketch
"""
self.v_drag = self.__mouse2sphere(x, y)
self.q_drag.set(PVector.dot(self.v_down, self.v_drag), self.v_down.cross(self.v_drag))