import sys, time, math, os, random
from pyglet.gl import *

window = pyglet.window.Window()

objects = []

tex_mipmap = True

class Square:
    def __init__(self, width, height, xpos, ypos, color, texturefile):
        self.xpos = xpos
        self.ypos = ypos
        self.color = color
        self.size = 1
        if texturefile:
            self.texture = pyglet.image.load(texturefile).get_mipmapped_texture()
        else:
            self.texture = None
        x = width/2.0
        y = height/2.0
        self.vlist = pyglet.graphics.vertex_list(4, ('v2f', [-x,-y, x,-y, -x,y, x,y]), ('t2f', [0,0, 1,0, 0,1, 1,1]))
    def draw(self):
        global tex_mipmap
        glPushMatrix()
        glTranslatef(self.xpos, self.ypos, 0)
        glScalef(self.size, self.size, self.size)
        glColor3f(self.color[0],self.color[1],self.color[2])
        if self.texture:
            glEnable(GL_TEXTURE_2D)
            glBindTexture(GL_TEXTURE_2D, self.texture.id)
            if tex_mipmap:
                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
            else:
                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
        self.vlist.draw(GL_TRIANGLE_STRIP)
        if self.texture:
            glDisable(GL_TEXTURE_2D)
        glPopMatrix()


@window.event
def on_draw():
    glClearColor(0, 0.3, 0.5, 0)
    glClear(GL_COLOR_BUFFER_BIT)
    
    for o in objects:
        o.draw()
    


@window.event
def on_key_press(key,modifiers):
    global objects, tex_mipmap
    if key == pyglet.window.key.LEFT:
        objects[0].xpos -= 5
    elif key == pyglet.window.key.RIGHT:
        objects[0].xpos += 5
    elif key == pyglet.window.key.UP:
        objects[0].ypos += 5
    elif key == pyglet.window.key.DOWN:
        objects[0].ypos -= 5
    elif key == pyglet.window.key.SPACE:
        tex_mipmap = not tex_mipmap


def update(dummy):
    global objects
    objects[0].size = math.sin(time.time()) * 0.6 + 0.7


square1 = Square(140, 250, 300, 200, [1,1,1], "ubu.png")
objects.append(square1)

pyglet.clock.schedule_interval(update,1/60.0)
pyglet.app.run()