lines.py

lines.py

from scene import *
import ui

class MyScene (Scene):
  def setup(self):
    self.background_color = 'midnightblue'
    self.points = []
    self.point_size = 10

  def touch_began(self, touch):
    x, y = touch.location
    this_point = ShapeNode(path=ui.Path.oval(0, 0, self.point_size, self.point_size), fill_color='white', stroke_color='clear')
    this_point.position = (x , y)
    self.add_child(this_point) 
    self.points.append((x, y)) 
    line_path = ui.Path()
    line_path.move_to(0,0)
    line_path.line_to(-1000, 1000)
    line_path.line_width = 5
    # line_path.close()
    test_line = ShapeNode(path=line_path, fill_color='white', stroke_color='red')
    test_line.position = (x,y)
    self.add_child(test_line)
    
# As a function:
#def button_tapped(sender):
#    print 'button tapped'

view = SceneView()
view.scene = MyScene()
button = ui.Button(title = 'fit best line with gradient descent algorithm')
button.tint_color = (1.0, 1.0, 1.0)
button.corner_radius = 5
button.border_width = 1
button.border_color = (0.6, 0.6, 0.6)
button.width = 400
button.x = 300
button.y = 700

#button.action = button_tapped
view.add_subview(button)
view.present()