hdaps-gl

   1 #!/usr/bin/env python
   2
   3 '''
   4 hdaps-gl - draw a laptop based on the hdaps position
   5 '''
   6
   7 # Copyright: 2008-2009 Evgeni Golov <sargentd@die-welt.net>
   8 # License: GPL-2
   9 #
  10 # The model of the simple laptop is created by
  11 # Patrick Kilian <petschge@petschge.de>
  12 # and licensed under GPL-2
  13
  14 import OpenGL
  15 OpenGL.ERROR_CHECKING = False
  16 from OpenGL.GL import *
  17 from OpenGL.GLU import *
  18 from OpenGL.GLUT import *
  19 from time import sleep
  20 import sys
  21 from hdaps import *
  22
  23 oldX = 0
  24 oldY = 0
  25 calibX = 0
  26 calibY = 0
  27 WIDTH = 640
  28 HEIGHT = 480
  29
  30 def drawLaptop( posX=0, posY=0, laptop=(0, 0, 0), screen=(0, 0, 1), trackpoint=(1, 0, 0), N=5 ):
  31     glClear (GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
  32     glPushMatrix ();
  33     try:
  34         glRotated (posX / 2.0, 0.0, 0.0, -1.0);
  35         glRotated (posY / 2.0, 1.0, 0.0, 0.0);
  36
  37         glBegin (GL_QUADS);     # start drawing the laptop.
  38
  39         # top of body
  40         glColor3fv (laptop);
  41         glVertex3d (N*1.0, N*0.0, N*1.6);
  42         glVertex3d (N*(-1.0), N*0.0, N*1.6);
  43         glVertex3d (N*(-1.0), N*0.0, N*0.0);
  44         glVertex3d (N*1.0, N*0.0, N*0.0);
  45
  46         # trackpoint
  47         glColor3fv (trackpoint);
  48         glVertex3d (N*0.01, N*0.01, N*0.78);
  49         glVertex3d (N*0.01, N*0.01, N*0.82);
  50         glVertex3d (N*(-0.01), N*0.01, N*0.82);
  51         glVertex3d (N*(-0.01), N*0.01, N*0.78);
  52
  53         glColor3fv (laptop);
  54         glVertex3d (N*1.0, N*(-0.1), N*(-0.1));
  55         glVertex3d (N*-1.0, N*-0.1, N*(-0.1));
  56         glVertex3d (N*-1.0, N*-0.1, N*1.6);
  57         glVertex3d (N*1.0, N*-0.1, N*1.6);
  58
  59         # front of body
  60         glColor3fv (laptop);
  61         glVertex3d (N*1.0, N*0.0, N*1.6);
  62         glVertex3d (N*-1.0, N*0.0, N*1.6);
  63         glVertex3d (N*-1.0, N*-0.1, N*1.6);
  64         glVertex3d (N*1.0, N*-0.1, N*1.6);
  65
  66         # left of body
  67         glColor3fv (laptop);
  68         glVertex3d (N*-1.0, N*0.0, N*1.6);
  69         glVertex3d (N*-1.0, N*0.0, N*0.0);
  70         glVertex3d (N*-1.0, N*-0.1, N*0.0);
  71         glVertex3d (N*-1.0, N*-0.1, N*1.6);
  72
  73         # Right of body
  74         glColor3fv (laptop);
  75         glVertex3d (N*1.0, N*0.0, N*0.0);
  76         glVertex3d (N*1.0, N*0.0, N*1.6);
  77         glVertex3d (N*1.0, N*-0.1, N*1.6);
  78         glVertex3d (N*1.0, N*-0.1, N*0.0);
  79
  80         # top of screen
  81         glColor3fv (laptop);
  82         glVertex3d (N*1.0, N*1.6, N*-0.1);
  83         glVertex3d (N*-1.0, N*1.6, N*-0.1);
  84         glVertex3d (N*-1.0, N*1.6, N*0.0);
  85         glVertex3d (N*1.0, N*1.6, N*0.0);
  86
  87         # front of screen
  88         glColor3fv (laptop);
  89         glVertex3d (N*1.0, N*1.6, N*0.0);
  90         glVertex3d (N*-1.0, N*1.6, N*0.0);
  91         glVertex3d (N*-1.0, N*0.0, N*0.0);
  92         glVertex3d (N*1.0, N*0.0, N*0.0);
  93
  94         # screen
  95         glColor3fv (screen);
  96         glVertex3d (N*0.9, N*1.5, N*0.01);
  97         glVertex3d (N*-0.9, N*1.5, N*0.01);
  98         glVertex3d (N*-0.9, N*0.1, N*0.01);
  99         glVertex3d (N*0.9, N*0.1, N*0.01);
 100
 101         # back of screen
 102         glColor3fv (laptop);
 103         glVertex3d (N*1.0, N*-0.1, N*-0.1);
 104         glVertex3d (N*-1.0, N*-0.1, N*-0.1);
 105         glVertex3d (N*-1.0, N*1.6, N*-0.1);
 106         glVertex3d (N*1.0, N*1.6, N*-0.1);
 107
 108         # left of screen
 109         glColor3fv (laptop);
 110         glVertex3d (N*-1.0, N*1.6, N*0.0);
 111         glVertex3d (N*-1.0, N*1.6, N*-0.1);
 112         glVertex3d (N*-1.0, N*-0.1, N*-0.1);
 113         glVertex3d (N*-1.0, N*-0.1, N*0.0);
 114
 115         # Right of screen
 116         glColor3fv (laptop);
 117         glVertex3d (N*1.0, N*1.6, N*-0.1);
 118         glVertex3d (N*1.0, N*1.6, N*0.0);
 119         glVertex3d (N*1.0, N*-0.1, N*0.0);
 120         glVertex3d (N*1.0, N*-0.1, N*-0.1);
 121         glEnd ();
 122     finally:
 123         glPopMatrix ();
 124         glutSwapBuffers ();
 125
 126 def forceUpdateWindow(arg):
 127         updateWindow(True)
 128
 129 def updateWindow(update=False):
 130         global oldX,oldY
 131         posX,posY = readPosition()
 132         if (abs(posX - oldX) > 5 or abs(posY - oldY) > 5):
 133                 update = True
 134         if (abs(posX) < 5 or abs(posY) < 5):
 135                 posX=0
 136                 posY=0
 137                 update=True
 138         if update:
 139                 drawLaptop(posX-calibX, posY-calibY)
 140         oldX=posX
 141         oldY=posY
 142         sleep(0.05)
 143
 144 def main():
 145         global calibX,calibY
 146         calibX,calibY=readPosition(True)
 147         glutInit(sys.argv)
 148         glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
 149         glutInitWindowSize (WIDTH, HEIGHT);
 150         glutInitWindowPosition (0, 0);
 151         glutCreateWindow('HDAPS-GL')
 152         glutDisplayFunc(updateWindow)
 153         glutIdleFunc(updateWindow)
 154         glutVisibilityFunc(forceUpdateWindow)
 155         glClearColor (0.5, 0.5, 0.5, 0.0);
 156         glClearDepth (1.0);     # Enables Clearing Of The Depth Buffer
 157         glDepthFunc (GL_LESS);  # The Type Of Depth Test To Do
 158         glEnable (GL_DEPTH_TEST);       # Enables Depth Testing
 159         glShadeModel (GL_SMOOTH);       # Enables Smooth Color Shading
 160
 161         glMatrixMode (GL_PROJECTION);
 162         glLoadIdentity ();
 163         gluPerspective (45.0, float(WIDTH) / float(HEIGHT), 0.25, 100.0);
 164
 165         glMatrixMode (GL_MODELVIEW);
 166         glLoadIdentity ();
 167         gluLookAt(
 168                 0,1,20, # eyepoint
 169                 0,0,0, # center-of-view
 170                 0,1,0, # up-vector
 171         )
 172         #glTranslated (10.0, -0.5, -1.0);
 173
 174         drawLaptop(0,0)
 175         glutMainLoop()
 176
 177 if __name__ == "__main__":
 178         main()