def on_key_press(symbol, modifiers):
global run
global mode, user, demonstration, ottman
if symbol == pyglet.window.key.S:
run = not run
if symbol == pyglet.window.key.L:
mode = "line"
if symbol == pyglet.window.key.P:
mode = "polygon"
if symbol == pyglet.window.key.V:
mode = "vertex"
if symbol == pyglet.window.key.N:
if mode == "polygon":
user.polygons.append(basics.Polygon())
if len(user.polygons) > 1:
for v in user.polygons[-2].getVectors():
for e in sweep.Event.lineEvents(v):
ottman.addEvent(e)
if symbol == pyglet.window.key.X:
for event in ottman.process():
X, Y = win.get_size()
v1 = basics.Vertex(event.point.x, 0)
v2 = basics.Vertex(event.point.x, Y)
demonstration.lines = [basics.Vector(v1, v2)]
if event.type == "Cross":
demonstration.points.append(event.point)
if symbol == pyglet.window.key.C:
user = Environment()
demonstration = Environment((1.0, 0, 0, 1.0), 7)
ottman = sweep.sweepCrossingLines()
pyglet.graphics.draw(size / 2 - 1, pyglet.gl.GL_LINES, ('v2i', lines[:-2]))
self.drawVertices(lines[-2:])
else:
pyglet.graphics.draw(size / 2, pyglet.gl.GL_LINES, ('v2i', lines))
def draw(self):
pyglet.gl.glColor4f(*self.color)
self.drawVertices(self.points)
self.drawPolygons()
self.drawLines(self.lines)
self.drawVertices(self.lineStart)
self.drawLabels()
user = Environment()
demonstration = Environment((1.0, 0, 0, 1.0), 7)
ottman = sweep.sweepCrossingLines()
def updatePts(points, opX, opY):
for i in range(0, 2 * (len(points) / 2), 2):
points[i] = opX(points[i])
points[i + 1] = opY(points[i + 1])
@win.event
def on_mouse_press(x, y, button, modifiers):
if button == pyglet.window.mouse.LEFT:
if mode == "polygon":
v = basics.Vertex(x, y)
if len(user.polygons) == 0:
user.polygons.append(basics.Polygon())
user.polygons[-1].vertices.append(v)
elif mode == "vertex":
