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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 90825e2392b2d70e43c7a25b8a3752299a933894 (patch) | |
tree | e33aa27f02b74604afbfd0ea4f1cfca8833d882a /python/pyqt/examples3/gears.py | |
download | tdebindings-90825e2392b2d70e43c7a25b8a3752299a933894.tar.gz tdebindings-90825e2392b2d70e43c7a25b8a3752299a933894.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebindings@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'python/pyqt/examples3/gears.py')
-rwxr-xr-x | python/pyqt/examples3/gears.py | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/python/pyqt/examples3/gears.py b/python/pyqt/examples3/gears.py new file mode 100755 index 00000000..c89a7a24 --- /dev/null +++ b/python/pyqt/examples3/gears.py @@ -0,0 +1,235 @@ +#!/usr/bin/env python + + +import sys +import math +from qt import * +from 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(QGLWidget): + def __init__(self,parent=None,name=None): + QGLWidget.__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__': + QApplication.setColorSpec(QApplication.CustomColor) + app=QApplication(sys.argv) + + if not QGLFormat.hasOpenGL(): + raise 'No Qt OpenGL support.' + + widget=GearWidget() + app.setMainWidget(widget) + widget.show() + app.exec_loop() |