#!/usr/bin/env python3

import pyglet
from pyglet.window import key
from pyglet.window import mouse
import pyglet.graphics
import pyglet.gl

window = pyglet.window.Window()

label = pyglet.text.Label('Hello, world',
                          font_name = 'Times New Roman',
                          font_size = 36,
                          x = window.width//2, y = window.height // 2,
                          anchor_x = 'center', anchor_y = 'center')
vertex_list = pyglet.graphics.vertex_list(512, 'v2f', 'c3B')

for i in range(512):
    vertex_list.vertices[i*2:i*2+2] = [i*1.0,i*1.5]
    vertex_list.colors[i*2:i*2+3] = [i % 250, i % 175, i % 100 ]


@window.event
def on_draw():
    window.clear()
    label.draw()
    vertex_list.draw(pyglet.gl.GL_POINTS)
    print(len(vertex_list.vertices))
    pyglet.graphics.draw_indexed(4, pyglet.gl.GL_TRIANGLES,
                                 [0,1,2,0,2,3],
                                 ('v2i', (100, 100,
                                          150, 100,
                                          150, 250,
                                          200, 250)),
                                 ('c3B', (0,128,128,
                                          128,0,128,
                                          128,128,0,
                                          85,85,85))
    )


@window.event
def on_key_press(symbol, modifiers):
    if symbol == key.A:
        print('The "A" key was pressed')
    elif symbol == key.LEFT:
        print('The left arrow key was pressed')
    elif symbol == key.ENTER:
        print('The enter key was pressed')

@window.event
def on_mouse_press(x, y, button, modifiers):
    if button == mouse.LEFT:
        print('The left mouse button was pressed at (%s,%s)' % (x, y))
    # x and y start at lower-left as origin


pyglet.app.run()