import sys, time, math, os
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from dmsgl import *

startdir = os.getcwd() + os.sep

texCamera = OrthoCamera(left=-1.5,right=1.5,bottom=-1.5,top=1.5)
tex = Texture2D(startdir + 'circle.tiff')
blend = Transparency(blendSource=GL_ONE, blendDest=GL_ONE)

circles = []
circles.append([Color([1,0,0,0.4]), 1, 0, 1, 7])
circles.append([Color([0,1,0,0.4]), 1, 1, 1.1, 8])
circles.append([Color([0,0,1,0.4]), 1, 2, 1.2, 9])
circles.append([Color([1,1,0,0.4]), 1, 3, 1.3, 10])
circles.append([Color([1,0,1,0.4]), 1.4, 4, 1, 11])
circles.append([Color([0,1,1,0.4]), 1.5, 5, 1, 12])
circles.append([Color([1,0,0,0.4]), -0.5, 0, 1, 5])
circles.append([Color([0,1,0,0.4]), -0.5, 1, 1.1, 4])
circles.append([Color([0,0,1,0.4]), -0.5, 2, 1.2, 3])
circles.append([Color([1,1,0,0.4]), 0.6, -5, 1.3, 10])
circles.append([Color([1,0,1,0.4]), 0.4, -3, 1, 11])
circles.append([Color([0,1,1,0.4]), 0.7, -4, 1, 12])
circles.append([Color([1,1,0,0.4]), 2.6, -5, -1.3, 1])
circles.append([Color([1,0,1,0.4]), 2.4, -3, -1, -1])
circles.append([Color([0,1,1,0.4]), 2.7, -4, -1, 0])

startTime = time.time()

def draw():
    t = time.time() - startTime
    Color.Grey20.clear()
    texCamera.apply()
    blend.apply()
    tex.apply()
    for c in circles:
        c[0].apply()
        glPushMatrix()
        glTranslatef(math.sin(t*c[1]+c[2]), math.cos(t*c[3]+c[4]), 0)
        glBegin(GL_QUADS)
        glTexCoord2i(0,0)
        glVertex2f(-0.5, -0.5)
        glTexCoord2i(1,0)
        glVertex2f(0.5, -0.5)
        glTexCoord2i(1,1)
        glVertex2f(0.5, 0.5)
        glTexCoord2i(0,1)
        glVertex2f(-0.5, 0.5)
        glEnd()
        glPopMatrix()
    tex.disable()
    blend.disable()
    glutSwapBuffers()


def keyboard(key, x, y):
    global cameraVelDist
    if key == chr(27):
        sys.exit(0)

def update():
    glutPostRedisplay()

glutInit([])
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE)
glutInitWindowSize(400,400)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutIdleFunc(update)
glutMainLoop()