def test_cube(self):
objfile = """
v 0.000000 2.000000 2.000000
v 0.000000 0.000000 2.000000
v 2.000000 0.000000 2.000000
v 2.000000 2.000000 2.000000
v 0.000000 2.000000 0.000000
v 0.000000 0.000000 0.000000
v 2.000000 0.000000 0.000000
v 2.000000 2.000000 0.000000
f 1 2 3 4
f 8 7 6 5
f 4 3 7 8
f 5 1 4 8
f 5 6 2 1
f 2 6 7 3
"""
data = objfile.split("\n")
mesh = OBJ_Mesh("")
mesh.load_data(data)
def test_cube( self ):
objfile = """
v 0.000000 2.000000 2.000000
v 0.000000 0.000000 2.000000
v 2.000000 0.000000 2.000000
v 2.000000 2.000000 2.000000
v 0.000000 2.000000 0.000000
v 0.000000 0.000000 0.000000
v 2.000000 0.000000 0.000000
v 2.000000 2.000000 0.000000
f 1 2 3 4
f 8 7 6 5
f 4 3 7 8
f 5 1 4 8
f 5 6 2 1
f 2 6 7 3
"""
data = objfile.split('\n')
mesh = OBJ_Mesh( '' )
mesh.load_data( data )
def test_interleaved_mesh( self ):
objfile = """
v 0.000000 2.000000 2.000000
v 0.000000 0.000000 2.000000
v 2.000000 0.000000 2.000000
v 2.000000 2.000000 2.000000
f -4 -3 -2 -1
v 2.000000 2.000000 0.000000
v 2.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 2.000000 0.000000
f -4 -3 -2 -1
v 2.000000 2.000000 2.000000
v 2.000000 0.000000 2.000000
v 2.000000 0.000000 0.000000
v 2.000000 2.000000 0.000000
f -4 -3 -2 -1
v 0.000000 2.000000 0.000000
v 0.000000 2.000000 2.000000
v 2.000000 2.000000 2.000000
v 2.000000 2.000000 0.000000
f -4 -3 -2 -1
v 0.000000 2.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 2.000000
v 0.000000 2.000000 2.000000
f -4 -3 -2 -1
v 0.000000 0.000000 2.000000
v 0.000000 0.000000 0.000000
v 2.000000 0.000000 0.000000
v 2.000000 0.000000 2.000000
f -4 -3 -2 -1
"""
data = objfile.split('\n')
mesh = OBJ_Mesh( '' )
mesh.load_data( data )
def test_interleaved_mesh(self):
objfile = """
v 0.000000 2.000000 2.000000
v 0.000000 0.000000 2.000000
v 2.000000 0.000000 2.000000
v 2.000000 2.000000 2.000000
f -4 -3 -2 -1
v 2.000000 2.000000 0.000000
v 2.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 2.000000 0.000000
f -4 -3 -2 -1
v 2.000000 2.000000 2.000000
v 2.000000 0.000000 2.000000
v 2.000000 0.000000 0.000000
v 2.000000 2.000000 0.000000
f -4 -3 -2 -1
v 0.000000 2.000000 0.000000
v 0.000000 2.000000 2.000000
v 2.000000 2.000000 2.000000
v 2.000000 2.000000 0.000000
f -4 -3 -2 -1
v 0.000000 2.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 2.000000
v 0.000000 2.000000 2.000000
f -4 -3 -2 -1
v 0.000000 0.000000 2.000000
v 0.000000 0.000000 0.000000
v 2.000000 0.000000 0.000000
v 2.000000 0.000000 2.000000
f -4 -3 -2 -1
"""
data = objfile.split("\n")
mesh = OBJ_Mesh("")
mesh.load_data(data)
def test_quad( self ):
objfile = """
# comment
v -1.00000 -1.00000 0.00000 1.00000
v 1.00000 -1.00000 0.00000 1.00000
v 1.00000 1.00000 0.00000 1.00000
v -1.00000 1.00000 0.0000 1.00000
vn 1.0 0.0 0.0 1.0
vn 0.0 1.0 0.0 1.0
vn 0.0 0.0 1.0 1.0
vn 1.0 0.0 0.0 1.0
vt 0.0 0.0
vt 1.0 0.0
vt 0.0 1.0
vt 1.0 1.0
f 1 2 3 4
f 1/1 2/2 3/3 4/4
f 1/1/1 2/2/2 3/3/3 4/4/4
f 1//1 2//2 3//3 4//4
"""
data = objfile.split('\n')
mesh = OBJ_Mesh( '' )
mesh.load_data( data )
def test_quad(self):
objfile = """
# comment
v -1.00000 -1.00000 0.00000 1.00000
v 1.00000 -1.00000 0.00000 1.00000
v 1.00000 1.00000 0.00000 1.00000
v -1.00000 1.00000 0.0000 1.00000
vn 1.0 0.0 0.0 1.0
vn 0.0 1.0 0.0 1.0
vn 0.0 0.0 1.0 1.0
vn 1.0 0.0 0.0 1.0
vt 0.0 0.0
vt 1.0 0.0
vt 0.0 1.0
vt 1.0 1.0
f 1 2 3 4
f 1/1 2/2 3/3 4/4
f 1/1/1 2/2/2 3/3/3 4/4/4
f 1//1 2//2 3//3 4//4
"""
data = objfile.split("\n")
mesh = OBJ_Mesh("")
mesh.load_data(data)
def setup_scene(self):
# create an fps display
self.fps_display = pyglet.clock.ClockDisplay()
# store a list of our renderables
self.renderables = []
# create a scene
self.scene_node = SceneNode('root')
self.mesh_node = SceneNode('obj')
self.scene_node.add_child(self.mesh_node)
# create a mesh object and render node
self.mesh = OBJ_Mesh('examples/data/obj/cessna.obj')
self.mesh_render_node = RenderCallbackNode('mesh',
self.initialise_mesh,
self.render_mesh)
self.mesh_node.add_child(self.mesh_render_node)
# add to our list of renderables
self.renderables.append(self.mesh_render_node)
# create a camera and a view matrix
self.view_matrix = ProjectionViewMatrix(self.viewport.aspect_ratio,
fov=45.0,
near_clip=1.0,
far_clip=200.0)
# create a camera
self.camera = CameraNode('camera', self.view_matrix)
self.scene_node.add_child(self.camera)
# move the camera so we can see the model
self.camera.transform.object.translate([0.0, 20.0, 30.0])
# rotate the camera so it is pointing down
self.camera.transform.object.rotate_x(-math.pi / 4.0)
def setup_scene( self ):
# create an fps display
self.fps_display = pyglet.clock.ClockDisplay()
# store a list of our renderables
self.renderables = []
# create a scene
self.scene_node = SceneNode( 'root' )
self.mesh_node = SceneNode( 'obj' )
self.scene_node.add_child( self.mesh_node )
# create a mesh object and render node
self.mesh = OBJ_Mesh( 'examples/data/obj/cessna.obj' )
self.mesh_render_node = RenderCallbackNode(
'mesh',
self.initialise_mesh,
self.render_mesh
)
self.mesh_node.add_child( self.mesh_render_node )
# add to our list of renderables
self.renderables.append( self.mesh_render_node )
# create a camera and a view matrix
self.view_matrix = ProjectionViewMatrix(
self.viewport.aspect_ratio,
fov = 45.0,
near_clip = 1.0,
far_clip = 200.0
)
# create a camera
self.camera = CameraNode(
'camera',
self.view_matrix
)
self.scene_node.add_child( self.camera )
# move the camera so we can see the model
self.camera.transform.object.translate(
[ 0.0, 20.0, 30.0 ]
)
# rotate the camera so it is pointing down
self.camera.transform.object.rotate_x( -math.pi / 4.0 )
class Application(object):
def __init__(self):
super(Application, self).__init__()
# setup our opengl requirements
config = pyglet.gl.Config(depth_size=16, double_buffer=True)
# create our window
self.window = pyglet.window.Window(fullscreen=False,
width=1024,
height=768,
resizable=True,
vsync=False,
config=config)
# create a viewport
self.viewport = RatioViewport(self.window, [[0.0, 0.0], [1.0, 1.0]])
# setup our scene
self.setup_scene()
# listen for on_draw events
self.window.push_handlers(on_draw=self.on_draw)
# setup our update loop the app
# we'll render at 60 fps
frequency = 60.0
self.update_delta = 1.0 / frequency
# over-ride the frequency and render at full speed
self.update_delta = -1
# use a pyglet callback for our render loop
pyglet.clock.schedule_interval(self.step, self.update_delta)
def setup_scene(self):
# create an fps display
self.fps_display = pyglet.clock.ClockDisplay()
# store a list of our renderables
self.renderables = []
# create a scene
self.scene_node = SceneNode('root')
self.mesh_node = SceneNode('obj')
self.scene_node.add_child(self.mesh_node)
# create a mesh object and render node
self.mesh = OBJ_Mesh('examples/data/obj/cessna.obj')
self.mesh_render_node = RenderCallbackNode('mesh',
self.initialise_mesh,
self.render_mesh)
self.mesh_node.add_child(self.mesh_render_node)
# add to our list of renderables
self.renderables.append(self.mesh_render_node)
# create a camera and a view matrix
self.view_matrix = ProjectionViewMatrix(self.viewport.aspect_ratio,
fov=45.0,
near_clip=1.0,
far_clip=200.0)
# create a camera
self.camera = CameraNode('camera', self.view_matrix)
self.scene_node.add_child(self.camera)
# move the camera so we can see the model
self.camera.transform.object.translate([0.0, 20.0, 30.0])
# rotate the camera so it is pointing down
self.camera.transform.object.rotate_x(-math.pi / 4.0)
def run(self):
pyglet.app.run()
def step(self, dt):
# rotate the mesh about it's own vertical axis
self.mesh_node.transform.object.rotate_y(dt)
# manually dispatch the on_draw event
# as we patched it out of the idle loop
self.window.dispatch_event('on_draw')
# display the frame buffer
self.window.flip()
def on_draw(self):
# render the scene
self.render()
# render the fps
self.fps_display.draw()
def initialise_mesh(self):
# load the obj mesh from the file
self.mesh.load()
def render_mesh(self):
# render the mesh
self.mesh.render()
def set_gl_state(self):
# enable z buffer
glEnable(GL_DEPTH_TEST)
# enable smooth shading
glShadeModel(GL_SMOOTH)
# rescale only normals for lighting
glEnable(GL_RESCALE_NORMAL)
# enable scissoring for viewports
glEnable(GL_SCISSOR_TEST)
# enable back face culling
glEnable(GL_CULL_FACE)
glCullFace(GL_BACK)
# setup lighting for our viewport
glEnable(GL_LIGHTING)
# set an ambient light level
glAmbient = glLightModelfv(GL_LIGHT_MODEL_AMBIENT,
(GLfloat * 4)(*[0.8, 0.8, 0.8, 1.0]))
# create a light
glEnable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_POSITION,
(GLfloat * 4)(*[0.0, 20.0, 30.0, 1.0]))
def render(self):
#
# setup
#
# set our window
self.window.switch_to()
# activate our viewport
self.viewport.switch_to()
# scissor to our viewport
self.viewport.scissor_to_viewport()
# setup our viewport properties
glPushAttrib(GL_ALL_ATTRIB_BITS)
self.set_gl_state()
# update the view matrix aspect ratio
self.camera.view_matrix.aspect_ratio = self.viewport.aspect_ratio
# apply our view matrix and camera translation
self.camera.view_matrix.push_view_matrix()
self.camera.push_model_view()
#
# render
#
# clear our frame buffer and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
for renderable in self.renderables:
renderable.render()
#
# tear down
#
# pop our view matrix and camera translation
self.camera.pop_model_view()
self.camera.view_matrix.pop_view_matrix()
# pop our viewport attributes
glPopAttrib()
#
# reset state
#
# set our viewport to the entire window
pygly.gl.set_scissor(pygly.window.create_rectangle(self.window))
pygly.gl.set_viewport(pygly.window.create_rectangle(self.window))
class Application( object ):
def __init__( self ):
super( Application, self ).__init__()
# setup our opengl requirements
config = pyglet.gl.Config(
depth_size = 16,
double_buffer = True
)
# create our window
self.window = pyglet.window.Window(
fullscreen = False,
width = 1024,
height = 768,
resizable = True,
vsync = False,
config = config
)
# create a viewport
self.viewport = RatioViewport(
self.window,
[ [0.0, 0.0], [1.0, 1.0] ]
)
# setup our scene
self.setup_scene()
# listen for on_draw events
self.window.push_handlers(
on_draw = self.on_draw
)
# setup our update loop the app
# we'll render at 60 fps
frequency = 60.0
self.update_delta = 1.0 / frequency
# over-ride the frequency and render at full speed
self.update_delta = -1
# use a pyglet callback for our render loop
pyglet.clock.schedule_interval(
self.step,
self.update_delta
)
def setup_scene( self ):
# create an fps display
self.fps_display = pyglet.clock.ClockDisplay()
# store a list of our renderables
self.renderables = []
# create a scene
self.scene_node = SceneNode( 'root' )
self.mesh_node = SceneNode( 'obj' )
self.scene_node.add_child( self.mesh_node )
# create a mesh object and render node
self.mesh = OBJ_Mesh( 'examples/data/obj/cessna.obj' )
self.mesh_render_node = RenderCallbackNode(
'mesh',
self.initialise_mesh,
self.render_mesh
)
self.mesh_node.add_child( self.mesh_render_node )
# add to our list of renderables
self.renderables.append( self.mesh_render_node )
# create a camera and a view matrix
self.view_matrix = ProjectionViewMatrix(
self.viewport.aspect_ratio,
fov = 45.0,
near_clip = 1.0,
far_clip = 200.0
)
# create a camera
self.camera = CameraNode(
'camera',
self.view_matrix
)
self.scene_node.add_child( self.camera )
# move the camera so we can see the model
self.camera.transform.object.translate(
[ 0.0, 20.0, 30.0 ]
)
# rotate the camera so it is pointing down
self.camera.transform.object.rotate_x( -math.pi / 4.0 )
def run( self ):
pyglet.app.run()
def step( self, dt ):
# rotate the mesh about it's own vertical axis
self.mesh_node.transform.object.rotate_y( dt )
# manually dispatch the on_draw event
# as we patched it out of the idle loop
self.window.dispatch_event( 'on_draw' )
# display the frame buffer
self.window.flip()
def on_draw( self ):
# render the scene
self.render()
# render the fps
self.fps_display.draw()
def initialise_mesh( self ):
# load the obj mesh from the file
self.mesh.load()
def render_mesh( self ):
# render the mesh
self.mesh.render()
def set_gl_state( self ):
# enable z buffer
glEnable( GL_DEPTH_TEST )
# enable smooth shading
glShadeModel( GL_SMOOTH )
# rescale only normals for lighting
glEnable( GL_RESCALE_NORMAL )
# enable scissoring for viewports
glEnable( GL_SCISSOR_TEST )
# enable back face culling
glEnable( GL_CULL_FACE )
glCullFace( GL_BACK )
# setup lighting for our viewport
glEnable( GL_LIGHTING )
# set an ambient light level
glAmbient = glLightModelfv(
GL_LIGHT_MODEL_AMBIENT,
(GLfloat * 4)( *[ 0.8, 0.8, 0.8, 1.0 ] )
)
# create a light
glEnable( GL_LIGHT0 )
glLightfv(
GL_LIGHT0,
GL_POSITION,
(GLfloat * 4)( *[0.0, 20.0, 30.0, 1.0] )
)
def render( self ):
#
# setup
#
# set our window
self.window.switch_to()
# activate our viewport
self.viewport.switch_to()
# scissor to our viewport
self.viewport.scissor_to_viewport()
# setup our viewport properties
glPushAttrib( GL_ALL_ATTRIB_BITS )
self.set_gl_state()
# update the view matrix aspect ratio
self.camera.view_matrix.aspect_ratio = self.viewport.aspect_ratio
# apply our view matrix and camera translation
self.camera.view_matrix.push_view_matrix()
self.camera.push_model_view()
#
# render
#
# clear our frame buffer and depth buffer
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT )
for renderable in self.renderables:
renderable.render()
#
# tear down
#
# pop our view matrix and camera translation
self.camera.pop_model_view()
self.camera.view_matrix.pop_view_matrix()
# pop our viewport attributes
glPopAttrib()
#
# reset state
#
# set our viewport to the entire window
pygly.gl.set_scissor(
pygly.window.create_rectangle( self.window )
)
pygly.gl.set_viewport(
pygly.window.create_rectangle( self.window )
)