diff options
Diffstat (limited to 'examples2/gears.py')
| -rwxr-xr-x | examples2/gears.py | 235 | 
1 files changed, 0 insertions, 235 deletions
| diff --git a/examples2/gears.py b/examples2/gears.py deleted file mode 100755 index 54734cc..0000000 --- a/examples2/gears.py +++ /dev/null @@ -1,235 +0,0 @@ -#!/usr/bin/env python - - -import sys -import math -from python_tqt.qt import * -from python_tqt.qtgl import * -from OpenGL.GL import * - -def gear(inner_radius,outer_radius,width,teeth,tooth_depth): -  r0 = inner_radius; -  r1 = outer_radius - tooth_depth/2.0; -  r2 = outer_radius + tooth_depth/2.0; - -  da = 2.0*math.pi/teeth/4.0; - -  glShadeModel(GL_FLAT) - -  glNormal3f(0.0,0.0,1.0) - -  # draw front face - -  glBegin(GL_QUAD_STRIP) - -  for i in range(teeth+1): -    angle = i * 2.0*math.pi/teeth; -    glVertex3f(r0*math.cos(angle),      r0*math.sin(angle),      width*0.5 ) -    glVertex3f(r1*math.cos(angle),      r1*math.sin(angle),      width*0.5 ) -    glVertex3f(r0*math.cos(angle),      r0*math.sin(angle),      width*0.5 ) -    glVertex3f(r1*math.cos(angle+3*da), r1*math.sin(angle+3*da), width*0.5 ) - -  glEnd() - -  # draw front sides of teeth - -  da = 2.0*math.pi/teeth/4.0; - -  glBegin(GL_QUADS) - -  for i in range(teeth): -    angle = i*2.0*math.pi/teeth - -    glVertex3f( r1*math.cos(angle),      r1*math.sin(angle),      width*0.5 ) -    glVertex3f( r2*math.cos(angle+da),   r2*math.sin(angle+da),   width*0.5 ) -    glVertex3f( r2*math.cos(angle+2*da), r2*math.sin(angle+2*da), width*0.5 ) -    glVertex3f( r1*math.cos(angle+3*da), r1*math.sin(angle+3*da), width*0.5 ) - -  glEnd() - - -  glNormal3f( 0.0, 0.0, -1.0 ) - -  # draw back face - -  glBegin( GL_QUAD_STRIP ); - -  for i in range(teeth+1): -    angle = i*2.0*math.pi/teeth; - -    glVertex3f( r1*math.cos(angle),      r1*math.sin(angle),      -width*0.5 ) -    glVertex3f( r0*math.cos(angle),      r0*math.sin(angle),      -width*0.5 ) -    glVertex3f( r1*math.cos(angle+3*da), r1*math.sin(angle+3*da), -width*0.5 ) -    glVertex3f( r0*math.cos(angle),      r0*math.sin(angle),      -width*0.5 ) - -  glEnd() - -  # draw back sides of teeth - -  da = 2.0*math.pi/teeth/4.0 - -  glBegin( GL_QUADS ) - -  for i in range(teeth): -    angle = i*2.0*math.pi/teeth - -    glVertex3f( r1*math.cos(angle+3*da), r1*math.sin(angle+3*da), -width*0.5 ) -    glVertex3f( r2*math.cos(angle+2*da), r2*math.sin(angle+2*da), -width*0.5 ) -    glVertex3f( r2*math.cos(angle+da),   r2*math.sin(angle+da),   -width*0.5 ) -    glVertex3f( r1*math.cos(angle),      r1*math.sin(angle),      -width*0.5 ) - -  glEnd() - -  # draw outward faces of teeth - -  glBegin( GL_QUAD_STRIP ) - -  for i in range(teeth): -    angle = i*2.0*math.pi/teeth - -    glVertex3f( r1*math.cos(angle), r1*math.sin(angle),  width*0.5 ) -    glVertex3f( r1*math.cos(angle), r1*math.sin(angle), -width*0.5 ) - -    u = r2*math.cos(angle+da) - r1*math.cos(angle) -    v = r2*math.sin(angle+da) - r1*math.sin(angle) - -    len = math.sqrt( u*u + v*v ) -    u /= len -    v /= len -    glNormal3f( v, -u, 0.0 ) -    glVertex3f( r2*math.cos(angle+da), r2*math.sin(angle+da),  width*0.5 ) -    glVertex3f( r2*math.cos(angle+da), r2*math.sin(angle+da), -width*0.5 ) -    glNormal3f( math.cos(angle), math.sin(angle), 0.0 ) -    glVertex3f( r2*math.cos(angle+2*da), r2*math.sin(angle+2*da),  width*0.5 ) -    glVertex3f( r2*math.cos(angle+2*da), r2*math.sin(angle+2*da), -width*0.5 ) -    u = r1*math.cos(angle+3*da) - r2*math.cos(angle+2*da) -    v = r1*math.sin(angle+3*da) - r2*math.sin(angle+2*da) -    glNormal3f( v, -u, 0.0 ) -    glVertex3f( r1*math.cos(angle+3*da), r1*math.sin(angle+3*da),  width*0.5 ) -    glVertex3f( r1*math.cos(angle+3*da), r1*math.sin(angle+3*da), -width*0.5 ) -    glNormal3f( math.cos(angle), math.sin(angle), 0.0 ) - -  glVertex3f( r1*math.cos(0.0), r1*math.sin(0.0), width*0.5 ) -  glVertex3f( r1*math.cos(0.0), r1*math.sin(0.0), -width*0.5 ) - -  glEnd() - -  glShadeModel (GL_SMOOTH) - -  # draw inside radius cylinder - -  glBegin( GL_QUAD_STRIP ) - -  for i in range(teeth+1): -    angle = i * 2.0*math.pi / teeth; -    glNormal3f( -math.cos(angle),   -math.sin(angle),   0.0 ); -    glVertex3f( r0*math.cos(angle), r0*math.sin(angle), -width*0.5 ); -    glVertex3f( r0*math.cos(angle), r0*math.sin(angle),  width*0.5 ); - -  glEnd() - -############################################################################## -class GearWidget(TQGLWidget): -  def __init__(self,parent=None,name=None): -    TQGLWidget.__init__(self,parent,name) - -    self.angle=0.0 -    self.view_rotx=0.0 -    self.view_roty=0.0 -    self.view_rotz=0.0 - -    self.startTimer(10) - -  def timerEvent(self,event): -    self.updateGL() - -  def paintGL(self): -    self.angle = self.angle + 2.0 -    self.view_rotx = self.view_rotx + 1.0 -    self.view_roty = self.view_roty + 3.0 -    self.view_rotz = self.view_rotz + 2.0 - -    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ) - -    glPushMatrix() -    glRotatef( self.view_rotx, 1.0, 0.0, 0.0 ) -    glRotatef( self.view_roty, 0.0, 1.0, 0.0 ) -    glRotatef( self.view_rotz, 0.0, 0.0, 1.0 ) - -    glPushMatrix() -    glTranslatef( -3.0, -2.0, 0.0 ) -    glRotatef( self.angle, 0.0, 0.0, 1.0 ) -    glCallList(self.gear1) -    glPopMatrix() - -    glPushMatrix() -    glTranslatef( 3.1, -2.0, 0.0 ) -    glRotatef( -2.0*self.angle-9.0, 0.0, 0.0, 1.0 ) -    glCallList(self.gear2) -    glPopMatrix() - -    glPushMatrix() -    glTranslatef( -3.1, 2.2, -1.8 ) -    glRotatef( 90.0, 1.0, 0.0, 0.0 ) -    glRotatef( 2.0*self.angle-2.0, 0.0, 0.0, 1.0 ) -    glCallList(self.gear3) -    glPopMatrix() - -    glPopMatrix() - -  def resizeGL(self,width,height): -    w = width / float(height) -    h = 1.0 - -    glViewport( 0, 0, width, height ) -    glMatrixMode(GL_PROJECTION) -    glLoadIdentity() -    glFrustum( -w, w, -h, h, 5.0, 60.0 ) -    glMatrixMode(GL_MODELVIEW) -    glLoadIdentity() -    glTranslatef( 0.0, 0.0, -40.0 ) - -  def initializeGL(self): -    pos=(5.0, 5.0, 10.0, 1.0 ) -    ared=(0.8, 0.1, 0.0, 1.0 ) -    agreen=(0.0, 0.8, 0.2, 1.0 ) -    ablue=(0.2, 0.2, 1.0, 1.0 ) - -    glLightfv(GL_LIGHT0,GL_POSITION,pos) -    glEnable(GL_CULL_FACE) -    glEnable(GL_LIGHTING) -    glEnable(GL_LIGHT0) -    glEnable(GL_DEPTH_TEST) - -    self.gear1=glGenLists(1) -    glNewList(self.gear1,GL_COMPILE) -    glMaterialfv(GL_FRONT,GL_AMBIENT_AND_DIFFUSE,ared) -    gear(1.0,4.0,1.0,20,0.7) -    glEndList() - -    self.gear2=glGenLists(1) -    glNewList(self.gear2,GL_COMPILE) -    glMaterialfv(GL_FRONT,GL_AMBIENT_AND_DIFFUSE,agreen) -    gear(0.5,2.0,2.0,10,0.7) -    glEndList() - -    self.gear3=glGenLists(1) -    glNewList(self.gear3,GL_COMPILE) -    glMaterialfv(GL_FRONT,GL_AMBIENT_AND_DIFFUSE,ablue) -    gear(1.3,2.0,0.5,10,0.7) -    glEndList() - -    glEnable(GL_NORMALIZE) - -############################################################################## -if __name__=='__main__': -  TQApplication.setColorSpec(TQApplication.CustomColor) -  app=TQApplication(sys.argv) - -  if not TQGLFormat.hasOpenGL(): -    raise Exception('No TQt OpenGL support.') - -  widget=GearWidget() -  app.setMainWidget(widget) -  widget.show() -  app.exec_loop() | 
