def __init__(self, win, zoom=1.0, phi=0, theta=0, nv=0.2):
self.win = win
self.tbcam = TrackballCamera(20.0)
self.offset_x = 0
self.offset_y = 0
self.offset_z = 0
self.matrix = (c_double * 16)()
self.pmatrix = (c_double * 16)()
self.viewport = (c_int * 4)()
class Camera(object):
def __init__(self, win, zoom=1.0, phi=0, theta=0, nv=0.2):
self.win = win
self.tbcam = TrackballCamera(20.0)
self.offset_x = 0
self.offset_y = 0
self.offset_z = 0
self.matrix = (c_double*16)()
self.pmatrix = (c_double*16)()
self.viewport = (c_int*4)()
def __repr__(self):
return "on"
d = self.tbcam.__dict__.copy()
return ", ".join('%s:%s' % (k,v) for k,v in d.items())
def worldProjection(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(
40.0, # Field Of View
float(self.win.width)/float(self.win.height), # aspect ratio
0.001, # z near
100.0) # z far
glTranslatef(self.offset_x, self.offset_y, self.offset_z)
self.tbcam.update_modelview()
glScalef(10.0, 10.0, 10.0)
## save for project/unproject
glGetDoublev(GL_MODELVIEW_MATRIX, self.matrix)
glGetDoublev(GL_PROJECTION_MATRIX, self.pmatrix)
glGetIntegerv(GL_VIEWPORT, self.viewport)
def hudProjection(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluOrtho2D(0, self.win.width, 0, self.win.height)
def project(self, c):
x,y,z = c_double(),c_double(),c_double()
gluProject(c[0], c[1], c[2],
self.matrix, self.pmatrix, self.viewport,
x, y, z)
return (x.value, y.value)
def get_zoom_factor(self):
return self.tbcam.cam_eye[2]
class Camera(object):
def __init__(self, win, zoom=1.0, phi=0, theta=0, nv=0.2):
self.win = win
self.tbcam = TrackballCamera(20.0)
self.offset_x = 0
self.offset_y = 0
self.offset_z = 0
self.matrix = (c_double * 16)()
self.pmatrix = (c_double * 16)()
self.viewport = (c_int * 4)()
def __repr__(self):
return "on"
d = self.tbcam.__dict__.copy()
return ", ".join('%s:%s' % (k, v) for k, v in d.items())
def worldProjection(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(
40.0, # Field Of View
float(self.win.width) / float(self.win.height), # aspect ratio
0.001, # z near
100.0) # z far
glTranslatef(self.offset_x, self.offset_y, self.offset_z)
self.tbcam.update_modelview()
glScalef(10.0, 10.0, 10.0)
## save for project/unproject
glGetDoublev(GL_MODELVIEW_MATRIX, self.matrix)
glGetDoublev(GL_PROJECTION_MATRIX, self.pmatrix)
glGetIntegerv(GL_VIEWPORT, self.viewport)
def hudProjection(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluOrtho2D(0, self.win.width, 0, self.win.height)
def project(self, c):
x, y, z = c_double(), c_double(), c_double()
gluProject(c[0], c[1], c[2], self.matrix, self.pmatrix, self.viewport,
x, y, z)
return (x.value, y.value)
def get_zoom_factor(self):
return self.tbcam.cam_eye[2]
def __init__(self, win, zoom=1.0, phi=0, theta=0, nv=0.2):
self.win = win
self.tbcam = TrackballCamera(20.0)
self.offset_x = 0
self.offset_y = 0
self.offset_z = 0
self.matrix = (c_double*16)()
self.pmatrix = (c_double*16)()
self.viewport = (c_int*4)()
def __init__(self,width=defaults['width'],height=defaults['height']):
self.width = width
self.height = height
self.config = Config(double_buffer=True, depth_size=24)
self.win = window.Window(visible=True,resizable=True,
config=self.config, caption='Sam')
# set callbacks
self.win.on_resize = self.on_resize
self.win.on_draw = self.on_draw
self.win.on_mouse_press = self.on_mouse_press
self.win.on_mouse_drag = self.on_mouse_drag
self.win.set_size(self.width,self.height)
self.init_gl()
self.tb = TrackballCamera(20.0)
self.clnum = 1
return
#!/usr/bin/env python # # a test of the trackball_camera class, showing basic usage in pyglet. # # by Roger Allen, July 2008 # [email protected] # from pyglet.gl import * from pyglet import window from trackball_camera import TrackballCamera # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g_width = 800 g_height = 600 # >>>> INITIALIZE THE TRACKBALL CAMERA g_tbcam = TrackballCamera(20.0) # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ def to_glfloat_array(x): return (GLfloat * len(x))(*x) # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ def init_gl(): glEnable(GL_DEPTH_TEST) glDisable(GL_CULL_FACE) # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ def on_resize(width, height):
class TBWindow:
def __init__(self,width=defaults['width'],height=defaults['height']):
self.width = width
self.height = height
self.config = Config(double_buffer=True, depth_size=24)
self.win = window.Window(visible=True,resizable=True,
config=self.config, caption='Sam')
# set callbacks
self.win.on_resize = self.on_resize
self.win.on_draw = self.on_draw
self.win.on_mouse_press = self.on_mouse_press
self.win.on_mouse_drag = self.on_mouse_drag
self.win.set_size(self.width,self.height)
self.init_gl()
self.tb = TrackballCamera(20.0)
self.clnum = 1
return
def init_gl(self,**kwargs):
swire_draw = kwargs.get('swire_draw',defaults['swire_draw'])
mat_draw = kwargs.get('mat_draw',defaults['mat_draw'])
glEnable(GL_DEPTH_TEST)
glDisable(GL_CULL_FACE)
if swire_draw:
glEnable(GL_LINE_SMOOTH)
elif mat_draw:
glEnable(GL_LIGHTING)
lightZeroPosition = glf([10.,4.,10.,1.])
lightZeroColor = glf([0.8,1.0,0.8,1.0]) #green tinged
glLightfv(GL_LIGHT0, GL_POSITION, lightZeroPosition)
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightZeroColor)
glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.1)
glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0.05)
glEnable(GL_LIGHT0)
return
def run(self): pyglet.app.run()
def calllist(self, spheres=[], cyls=[], lines=[]):
glNewList(self.clnum,GL_COMPILE)
for sphere in spheres: draw_sphere(*sphere)
for cyl in cyls: draw_cylinder(*cyl)
for line in lines: draw_line(*line)
glEndList()
return
def on_resize(self, width, height):
self.width = width
self.height = height
glViewport(0,0,self.width,self.height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(
40.0, # Field Of View
float(self.width)/float(self.height), # aspect ratio
1.0, # z near
100.0) # z far
self.tb.update_modelview() # init modview matrix for trackball
return
def on_draw(self):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glCallList(self.clnum)
return
def on_mouse_press(self, x, y, button, modifiers):
if button == window.mouse.LEFT:
self.tb.mouse_roll(
norm1(x, self.width),
norm1(y,self.height),
False)
elif button == window.mouse.RIGHT:
self.tb.mouse_zoom(
norm1(x, self.width),
norm1(y,self.height),
False)
return
def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
if buttons & window.mouse.LEFT:
self.tb.mouse_roll(
norm1(x,self.width),
norm1(y,self.height))
elif buttons & window.mouse.RIGHT:
self.tb.mouse_zoom(
norm1(x,self.width),
norm1(y,self.height))
return
