ttk1.py 文件源码

def update(self,time):
        scale_x = self.scale_x.interpolate(time)
        scale_y = self.scale_y.interpolate(time)
        scale_z = self.scale_z.interpolate(time)
        rotation_x = self.rotation_x.interpolate(time)
        rotation_y = self.rotation_y.interpolate(time)
        rotation_z = self.rotation_z.interpolate(time)
        translation_x = self.translation_x.interpolate(time)
        translation_y = self.translation_y.interpolate(time)
        translation_z = self.translation_z.interpolate(time)

        cx = cos(radians(rotation_x))
        sx = sin(radians(rotation_x))
        cy = cos(radians(rotation_y))
        sy = sin(radians(rotation_y))
        cz = cos(radians(rotation_z))
        sz = sin(radians(rotation_z))

        R = numpy.matrix([[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,1.0]]) #<-?
        R[0,0] = cy*cz
        R[0,1] = (sx*sy*cz - cx*sz)
        R[0,2] = (cx*sy*cz + sx*sz)
        R[1,0] = cy*sz
        R[1,1] = (sx*sy*sz + cx*cz)
        R[1,2] = (cx*sy*sz - sx*cz)
        R[2,0] = -sy
        R[2,1] = sx*cy
        R[2,2] = cx*cy

        S = numpy.matrix([[scale_x,0,0,0],[0,scale_y,0,0],[0,0,scale_z,0],[0,0,0,1]])
        C = numpy.matrix([[1,0,0,self.center_x],[0,1,0,self.center_y],[0,0,1,self.center_z],[0,0,0,1]])
        T = numpy.matrix([[1,0,0,translation_x],[0,1,0,translation_y],[0,0,1,translation_z],[0,0,0,1]])

        self.texture_matrix[:] = (T*C*S*R*C.I)[:self.row_count,:]