def _gl_enable_lighting(scene):
"""
Take the lights defined in scene.lights and
apply them as openGL lights.
"""
gl.glEnable(gl.GL_LIGHTING)
# opengl only supports 7 lights?
for i, light in enumerate(scene.lights[:7]):
# the index of which light we have
lightN = eval('gl.GL_LIGHT{}'.format(i))
# get the transform for the light by name
matrix = scene.graph.get(light.name)[0]
# convert light object to glLightfv calls
multiargs = rendering.light_to_gl(
light=light,
transform=matrix,
lightN=lightN)
# enable the light in question
gl.glEnable(lightN)
# run the glLightfv calls
for args in multiargs:
gl.glLightfv(*args)
def predraw(w,h):
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION,vec(1,1,10, 3))
gl.glLightModelfv(
gl.GL_LIGHT_MODEL_AMBIENT|gl.GL_LIGHT_MODEL_TWO_SIDE,
vec(1,1,1, 1.0)
)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
#glOrtho(-1, 1, -1, 1, -1, 1)
#(w,h) = self.get_size()
gl.glScalef(
float(min(w,h))/w,
-float(min(w,h))/h,
1
)
gl.gluPerspective(45.0, 1, 0.1, 1000.0)
gl.gluLookAt(
camera.x,
camera.y,
camera.z,
0,0,0,
camera.up[0],
camera.up[1],
camera.up[2]
)
def set_viewport(self):
# Set viewport
gl.glViewport(self.x0, self.y0, self.width, self.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
# Set projection
gl.glOrtho(-self.width / (2), self.width / (2), -self.height / (2),
self.height / (2), -1000, 1000)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, lightfv(1.0, 1., 1.0, 0.0))
return None
def render_light(pos, attenuation=0):
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT, to_gl_float((0.2, 0.2, 0.2, 1.0)))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, to_gl_float((1.0, 1.0, 1.0, 1.0)))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, to_gl_float((0.5, 0.5, 0.5, 1.0)))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, to_gl_float((*pos, attenuation)))
gl.glEnable(gl.GL_LIGHT0)
def enable_3d(self):
gl.glViewport(0, 0, self.width, self.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60., self.width / float(self.height), .1, 1000.)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
# update the camera
self.camera.look()
# TODO: probably find a better place to enable and configure these
# TODO TODO: Just use shader-based lighting anyway.
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION,
(gl.GLfloat * 4)(0, 0, 100, 1))
def on(self):
lno = self.light_no
gl.glEnable(lno)
# Define a simple function to create ctypes arrays of floats:
gl.glLightfv(lno, gl.GL_POSITION, self.lpos)
gl.glLightfv(lno, gl.GL_SPECULAR, self.lspec)
gl.glLightfv(lno, gl.GL_DIFFUSE, self.ldifs)
gl.glLightfv(lno, gl.GL_AMBIENT, self.lambient)
def render(self):
p = self.position
a = self.material.ambient_rgb
d = self.material.diffuse_rgb
s = self.material.specular_rgb
id = gl.GL_LIGHT0 + self.id
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(id)
gl.glLightfv(id, gl.GL_POSITION, raw(p[0], p[1], p[2], 1.0))
gl.glLightfv(id, gl.GL_AMBIENT, raw(a[0], a[1], a[2], 1.0))
gl.glLightfv(id, gl.GL_DIFFUSE, raw(d[0], d[1], d[2], 1.0))
gl.glLightfv(id, gl.GL_SPECULAR, raw(s[0], s[1], s[2], 1.0))
def useLights(lights, setupOnly=False):
"""Use specified lights in successive rendering operations. All lights will
be transformed using the present modelview matrix.
Parameters
----------
lights : :obj:`List` of :obj:`Light` or None
Descriptor of a light source. If None, lighting is disabled.
setupOnly : :obj:`bool`, optional
Do not enable lighting or lights. Specify True if lighting is being
computed via fragment shaders.
Returns
-------
None
"""
if lights is not None:
if len(lights) > getIntegerv(GL.GL_MAX_LIGHTS):
raise IndexError("Number of lights specified > GL_MAX_LIGHTS.")
GL.glEnable(GL.GL_NORMALIZE)
for index, light in enumerate(lights):
enumLight = GL.GL_LIGHT0 + index
# light properties
for mode, value in light.params.items():
if value is not None:
GL.glLightfv(enumLight, mode, value)
if not setupOnly:
GL.glEnable(enumLight)
if not setupOnly:
GL.glEnable(GL.GL_LIGHTING)
else:
# disable lights
if not setupOnly:
for enumLight in range(getIntegerv(GL.GL_MAX_LIGHTS)):
GL.glDisable(GL.GL_LIGHT0 + enumLight)
GL.glDisable(GL.GL_NORMALIZE)
GL.glDisable(GL.GL_LIGHTING)
def init_gl(self):
"""
Perform the magic incantations to create an OpenGL scene.
"""
# the background color
gl.glClearColor(.97, .97, .97, 1.0)
max_depth = (np.abs(self.scene.bounds).max(axis=1)**2).sum()**.5
max_depth = np.clip(max_depth, 500.00, np.inf)
gl.glDepthRange(0.0, max_depth)
gl.glClearDepth(1.0)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
# put the light at one corner of the scenes AABB
gl.glLightfv(
gl.GL_LIGHT0, gl.GL_POSITION,
rendering.vector_to_gl(np.append(self.scene.bounds[1], 0)))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR,
rendering.vector_to_gl(.5, .5, 1, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE,
rendering.vector_to_gl(1, 1, 1, .75))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT,
rendering.vector_to_gl(.1, .1, .1, .2))
gl.glColorMaterial(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE)
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glMaterialfv(gl.GL_FRONT, gl.GL_AMBIENT,
rendering.vector_to_gl(0.192250, 0.192250, 0.192250))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_DIFFUSE,
rendering.vector_to_gl(0.507540, 0.507540, 0.507540))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_SPECULAR,
rendering.vector_to_gl(.5082730, .5082730, .5082730))
gl.glMaterialf(gl.GL_FRONT, gl.GL_SHININESS, .4 * 128.0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glLineWidth(1.5)
gl.glPointSize(4)
def gl_enable_lighting(lights):
gl.glEnable(gl.GL_LIGHTING)
for i, light in lights.items():
gl_color = gl_float(light[1])
gl_position = gl_float(light[0][:3, 3])
light_n = eval('gl.GL_LIGHT{}'.format(i))
gl.glEnable(light_n)
gl.glLightfv(light_n, gl.GL_POSITION, gl_position)
gl.glLightfv(light_n, gl.GL_SPECULAR, gl_color)
gl.glLightfv(light_n, gl.GL_DIFFUSE, gl_color)
gl.glLightfv(light_n, gl.GL_AMBIENT, gl_color)
def set_3d(self):
""" Configure OpenGL to draw in 3d.
"""
width, height = self.get_size()
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(65.0, width / float(height), 0.1, DIST)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
x, y = self.rotation
gl.glRotatef(x, 0, 1, 0)
gl.glRotatef(-y, math.cos(math.radians(x)), 0,
math.sin(math.radians(x)))
x, y, z = self.position
gl.glTranslatef(-x, -y, -z)
gl.glEnable(gl.GL_LIGHTING)
gl.glLightModelfv(gl.GL_LIGHT_MODEL_AMBIENT,
GLfloat4(0.05, 0.05, 0.05, 1.0))
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glColorMaterial(gl.GL_FRONT, gl.GL_AMBIENT_AND_DIFFUSE)
#gl.glLightfv(gl.GL_LIGHT1,gl.GL_SPOT_DIRECTION, GLfloat3(0,0,-1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_AMBIENT, GLfloat4(0.5, 0.5, 0.5, 1.0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_DIFFUSE, GLfloat4(1.0, 1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_POSITION,
GLfloat4(0.35, 1.0, 0.65, 0.0))
#gl.glLightfv(gl.GL_LIGHT0,gl.GL_SPECULAR, GLfloat4(1,1,1,1))
gl.glDisable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
def draw_lem (self):
with push_attrib(gl.GL_DEPTH_BUFFER_BIT | gl.GL_LIGHTING_BIT):
gl.glDepthMask(gl.GL_TRUE)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_NORMALIZE)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glLightModelfv(gl.GL_LIGHT_MODEL_AMBIENT, float_ctype_array(1.0, 1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT, float_ctype_array(0.0, 0.0, 0.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, float_ctype_array(1.0, 1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, float_ctype_array(0.5, 0.5, 0.5, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, float_ctype_array(1.0, 1.0, 1.0, 0.0))
self.draw_lem_model()
def set_3d(self):
""" Configure OpenGL to draw in 3d.
"""
width, height = self.get_size()
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(65.0, width / float(height), 0.1, DIST)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
x, y = self.rotation
gl.glRotatef(x, 0, 1, 0)
gl.glRotatef(-y, math.cos(math.radians(x)), 0, math.sin(math.radians(x)))
x, y, z = self.position
gl.glTranslatef(-x, -y, -z)
gl.glEnable(gl.GL_LIGHTING)
gl.glLightModelfv(gl.GL_LIGHT_MODEL_AMBIENT, GLfloat4(0.05,0.05,0.05,1.0))
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glColorMaterial(gl.GL_FRONT, gl.GL_AMBIENT_AND_DIFFUSE)
#gl.glLightfv(gl.GL_LIGHT1,gl.GL_SPOT_DIRECTION, GLfloat3(0,0,-1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_AMBIENT, GLfloat4(0.5,0.5,0.5,1.0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_DIFFUSE, GLfloat4(1.0,1.0,1.0,1.0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_POSITION, GLfloat4(0.35,1.0,0.65,0.0))
#gl.glLightfv(gl.GL_LIGHT0,gl.GL_SPECULAR, GLfloat4(1,1,1,1))
gl.glDisable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
def on_draw(self):
self.clear()
glLoadIdentity()
glLightfv(GL_LIGHT0, GL_POSITION, self.lightfv(-1.0, 1.0, 1.0, 0.0))
glEnable(GL_LIGHT0)
self.trans[2] = -3 # center is z -3, dont move in z
glTranslated(*self.trans)
glRotatef(self.rots[0], 1.0, 0.0, 0.0)
glRotatef(self.rots[1], 0.0, 1.0, 0.0)
glRotatef(self.rots[2], 0.0, 0.0, 1.0)
glRotatef(-25.0, 1.0, 0.0, 0.0)
glRotatef(45.0, 0.0, 0.0, 1.0)
glEnable(GL_LIGHTING)
# cannot figure out how to make this always flat
#self.bg.blit(0,0)
visualization.draw(self.brain)
print("draw @", self.trans, self.rots)
def init_gl(self, on_init=None, **kwargs):
gl.glClearColor(.97, .97, .97, 1.0)
max_depth = (np.abs(self.scene.bounds).max(axis=1)**2).sum()**.5
max_depth = np.clip(max_depth, 500.00, np.inf)
gl.glDepthRange(0.0, max_depth)
gl.glClearDepth(1.0)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
# put the light at one corner of the scenes AABB
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION,
_gl_vector(np.append(self.scene.bounds[1], 0)))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, _gl_vector(.5, .5, 1, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, _gl_vector(1, 1, 1, .75))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT, _gl_vector(.1, .1, .1, .2))
gl.glColorMaterial(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE)
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glMaterialfv(gl.GL_FRONT, gl.GL_AMBIENT,
_gl_vector(0.192250, 0.192250, 0.192250))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_DIFFUSE,
_gl_vector(0.507540, 0.507540, 0.507540))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_SPECULAR,
_gl_vector(.5082730, .5082730, .5082730))
gl.glMaterialf(gl.GL_FRONT, gl.GL_SHININESS, .4 * 128.0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glLineWidth(1.5)
gl.glPointSize(4)
if on_init:
on_init(gl, **kwargs)
def on_draw_impl():
window.clear()
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_LINE_SMOOTH)
width, height = window.get_size()
# print(width,height)
# width = 2560
# height = 1600
gl.glViewport(0, 0, width, height)
# 射影行列の設定
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
aspect = width / float(height * 2)
bottom = 0
top = state.zNear * np.tan(np.radians(PARAMS.FOVY))
left = - top * aspect
right = top * aspect
gl.glFrustum(left, right, bottom, top, state.zNear, PARAMS.Z_FAR) # 視野錐台の大事なやつ
# 視点の設定
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.gluLookAt(0.0, 0.0, 0.0,
0.0, 0.0, 1.0,
0.0, -1.0, 0.0)
gl.glTranslatef(0, 0, state.distance)
gl.glRotated(state.pitch, 1, 0, 0)
gl.glRotated(state.yaw, 0, 1, 0)
gl.glTranslatef(0, 0, -state.distance)
gl.glTranslatef(*state.translation)
# * は分解して渡すことを意味している
# gl.glTranslatef(*[a,b,c]) は gl.glTranslatef(a,b,c) と同じ
if state.lighting:
ldir = [0.5, 0.5, 0.5] # world-space lighting
ldir = np.dot(state.rotation, (0, 0, 1)) # MeshLab style lighting
ldir = list(ldir) + [0] # w=0, directional light
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, (gl.GLfloat * 4)(*ldir))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE,
(gl.GLfloat * 3)(1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT,
(gl.GLfloat * 3)(0.75, 0.75, 0.75))
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_NORMALIZE)
gl.glEnable(gl.GL_LIGHTING)
# comment this to get round points with MSAA on
gl.glEnable(gl.GL_POINT_SPRITE)
board()
def draw_lem(self):
with push_attrib(gl.GL_DEPTH_BUFFER_BIT | gl.GL_LIGHTING_BIT):
gl.glDepthMask(gl.GL_TRUE)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_NORMALIZE)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glLightModelfv(gl.GL_LIGHT_MODEL_AMBIENT,
float_ctype_array(1.0, 1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT,
float_ctype_array(0.0, 0.0, 0.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE,
float_ctype_array(1.0, 1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR,
float_ctype_array(0.5, 0.5, 0.5, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION,
float_ctype_array(1.0, 1.0, 1.0, 0.0))
self.draw_lem_model()
def draw_space(self):
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_AMBIENT,
self.to_cfloat_array(0.1, 0.1, 0.1, 1.0))
glLightfv(GL_LIGHT0, GL_POSITION, self.to_cfloat_array(0, 0.3, 1, 0))
glLightfv(GL_LIGHT0, GL_DIFFUSE,
self.to_cfloat_array(3.0, 3.0, 3.0, 1.0))
views = self.views_in_range
for view in views:
if view.is_alive:
view.draw()
else:
self.del_view(view)
for view in views:
if view.is_alive:
view.draw_transparent()
glDisable(GL_LIGHTING)
def draw_lights(self):
""" Render the lights in the scene
"""
GL_DEFINED_LIGHTS = [gl.GL_LIGHT0, gl.GL_LIGHT1,
gl.GL_LIGHT2, gl.GL_LIGHT3,
gl.GL_LIGHT4, gl.GL_LIGHT5,
gl.GL_LIGHT6, gl.GL_LIGHT7]
max_lights = min(len(self.lights), 8)
# add all of the lights to the scene
for i in range(0, max_lights):
# enable all of the lights
gl.glEnable(GL_DEFINED_LIGHTS[i])
gl.glLightfv(GL_DEFINED_LIGHTS[i], gl.GL_POSITION, self.lights[
i].position)
gl.glLightfv(GL_DEFINED_LIGHTS[i], gl.GL_SPECULAR,
self.lights[i].specular)
gl.glLightfv(GL_DEFINED_LIGHTS[i], gl.GL_DIFFUSE,
self.lights[i].diffuse)
def _light_on(self):
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_AMBIENT, self._ambience)
glLightfv(GL_LIGHT0, GL_DIFFUSE, self._diffuse)
def setup_lights(self):
if not self.do_lights:
return
glEnable(GL_LIGHTING)
glDisable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_AMBIENT, vec(0.4, 0.4, 0.4, 1.0))
glLightfv(GL_LIGHT0, GL_SPECULAR, vec(0, 0, 0, 0))
glLightfv(GL_LIGHT0, GL_DIFFUSE, vec(0, 0, 0, 0))
glEnable(GL_LIGHT1)
glLightfv(GL_LIGHT1, GL_AMBIENT, vec(0, 0, 0, 1.0))
glLightfv(GL_LIGHT1, GL_SPECULAR, vec(0.6, 0.6, 0.6, 1.0))
glLightfv(GL_LIGHT2, GL_DIFFUSE, vec(0.8, 0.8, 0.8, 1))
glLightfv(GL_LIGHT1, GL_POSITION, vec(1, 2, 3, 0))
glEnable(GL_LIGHT2)
glLightfv(GL_LIGHT2, GL_AMBIENT, vec(0, 0, 0, 1.0))
glLightfv(GL_LIGHT2, GL_SPECULAR, vec(0.6, 0.6, 0.6, 1.0))
glLightfv(GL_LIGHT2, GL_DIFFUSE, vec(0.8, 0.8, 0.8, 1))
glLightfv(GL_LIGHT2, GL_POSITION, vec(-1, -1, 3, 0))
glEnable(GL_NORMALIZE)
glShadeModel(GL_SMOOTH)
def OnInitGL(self, call_reshape = True):
'''Initialize OpenGL for use in the window.'''
if self.GLinitialized:
return
self.GLinitialized = True
# create a pyglet context for this panel
self.pygletcontext = gl.Context(gl.current_context)
self.pygletcontext.canvas = self
self.pygletcontext.set_current()
# normal gl init
glClearColor(0, 0, 0, 1)
glColor3f(1, 0, 0)
glEnable(GL_DEPTH_TEST)
glClearDepth(1.0)
glDepthFunc(GL_LEQUAL)
glEnable(GL_CULL_FACE)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
# Uncomment this line for a wireframe view
# glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# Simple light setup. On Windows GL_LIGHT0 is enabled by default,
# but this is not the case on Linux or Mac, so remember to always
# include it.
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glEnable(GL_LIGHT1)
glLightfv(GL_LIGHT0, GL_POSITION, vec(.5, .5, 1, 0))
glLightfv(GL_LIGHT0, GL_SPECULAR, vec(.5, .5, 1, 1))
glLightfv(GL_LIGHT0, GL_DIFFUSE, vec(1, 1, 1, 1))
glLightfv(GL_LIGHT1, GL_POSITION, vec(1, 0, .5, 0))
glLightfv(GL_LIGHT1, GL_DIFFUSE, vec(.5, .5, .5, 1))
glLightfv(GL_LIGHT1, GL_SPECULAR, vec(1, 1, 1, 1))
glShadeModel(GL_SMOOTH)
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.5, 0, 0.3, 1))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, vec(1, 1, 1, 1))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 50)
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, vec(0, 0.1, 0, 0.9))
if call_reshape:
self.OnReshape()
if hasattr(self.parent, "filenames") and self.parent.filenames:
for filename in self.parent.filenames:
self.parent.load_file(filename)
self.parent.autoplate()
if hasattr(self.parent, "loadcb"):
self.parent.loadcb()
self.parent.filenames = None
def setup(self):
# One-time GL setup
gl.glClearColor(1, 1, 1, 0)
gl.glColor3f(1, 0, 0)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
# Uncomment this line for a wireframe view
#glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# Simple light setup. On Windows GL_LIGHT0 is enabled by default,
# but this is not the case on Linux or Mac, so remember to always
# include it.
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
# Define a simple function to create ctypes arrays of floats:
def vec(*args):
return (gl.GLfloat * len(args))(*args)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, vec(.5, .5, 1, 0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, vec(.5, .5, 1, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, vec(1, 1, 1, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_POSITION, vec(1, 0, .5, 0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_DIFFUSE, vec(.5, .5, .5, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_SPECULAR, vec(1, 1, 1, 1))
gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE,
vec(0.5, 0, 0.3, 1))
gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_SPECULAR, vec(1, 1, 1, 1))
gl.glMaterialf(gl.GL_FRONT_AND_BACK, gl.GL_SHININESS, 50)
if sys.platform in ('win32', 'cygwin'):
font = 'Arial'
else:
font = 'DejaVu Sans Mono'
self.lowerlabel = pyglet.text.Label('Hello, world',
font_size=14,
font_name=font,
x=5,
y=20,
color=(0, 0, 0, 255))
self.upperlabel = pyglet.text.Label('Hello, world',
font_size=14,
font_name=font,
x=20,
y=20,
color=(0, 0, 0, 255))
def init_gl(self):
gl.glClearColor(.93, .93, 1, 1)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, _gl_vector(.5, .5, 1, 0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, _gl_vector(.5, .5, 1, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, _gl_vector(1, 1, 1, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_POSITION, _gl_vector(1, 0, .5, 0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_DIFFUSE, _gl_vector(.5, .5, .5, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_SPECULAR, _gl_vector(1, 1, 1, 1))
gl.glColorMaterial(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE)
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glMaterialfv(gl.GL_FRONT, gl.GL_AMBIENT,
_gl_vector(0.192250, 0.192250, 0.192250))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_DIFFUSE,
_gl_vector(0.507540, 0.507540, 0.507540))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_SPECULAR,
_gl_vector(.5082730, .5082730, .5082730))
gl.glMaterialf(gl.GL_FRONT, gl.GL_SHININESS, .4 * 128.0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glLineWidth(1.5)
gl.glPointSize(4)
def init_gl(self):
gl.glClearColor(.93, .93, 1, 1)
#glColor3f(1, 0, 0)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, _gl_vector(.5, .5, 1, 0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, _gl_vector(.5, .5, 1, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, _gl_vector(1, 1, 1, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_POSITION, _gl_vector(1, 0, .5, 0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_DIFFUSE, _gl_vector(.5, .5, .5, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_SPECULAR, _gl_vector(1, 1, 1, 1))
gl.glColorMaterial(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE)
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glMaterialfv(gl.GL_FRONT, gl.GL_AMBIENT, _gl_vector(0.192250, 0.192250, 0.192250))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_DIFFUSE, _gl_vector(0.507540, 0.507540, 0.507540))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_SPECULAR, _gl_vector(.5082730,.5082730,.5082730))
gl.glMaterialf(gl.GL_FRONT, gl.GL_SHININESS, .4 * 128.0);
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
def on(self):
lno = self.light_no
gl.glEnable(lno)
gl.glLightf(lno, gl.GL_CONSTANT_ATTENUATION, self.kc)
gl.glLightf(lno, gl.GL_LINEAR_ATTENUATION, self.kl)
gl.glLightf(lno, gl.GL_QUADRATIC_ATTENUATION, self.kq)
if self.is_spot:
if self.track_target:
self._track()
gl.glLightf(lno, gl.GL_SPOT_CUTOFF, self._spot_cutoff)
gl.glLightfv(lno, gl.GL_SPOT_DIRECTION, self.lspot_dir)
gl.glLightfv(lno, gl.GL_SPOT_EXPONENT, self.spot_exponent)
gl.glLightfv(lno, gl.GL_POSITION, self.lpos)
gl.glLightfv(lno, gl.GL_SPECULAR, self.lspec)
gl.glLightfv(lno, gl.GL_DIFFUSE, self.ldifs)
gl.glLightfv(lno, gl.GL_AMBIENT, self.lambient)
print('Could not load texture {}: {}'.format(
values[1], ex))
except BaseException as ex:
print('Parse error in {}. {}'.format(filename, ex))
if __name__ == "__main__":
import sys
import ctypes
if len(sys.argv) != 2:
print("Usage: {} file.obj".format(sys.argv[0]))
else:
window = pyglet.window.Window()
fourfv = ctypes.c_float * 4
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, fourfv(0, 200, 5000, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT, fourfv(0.0, 0.0, 0.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, fourfv(1.0, 1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, fourfv(1.0, 1.0, 1.0, 1.0))
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_DEPTH_TEST)
@window.event
def on_resize(width, height):
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60.0, float(width)/height, 1.0, 100.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
return True
def init_gl(self):
"""
Perform the magic incantations to create an OpenGL scene.
"""
# default background color is white-ish
background = [.99, .99, .99, 1.0]
# if user passed a background color use it
if 'background' in self.kwargs:
try:
# convert to (4,) uint8 RGBA
background = to_rgba(self.kwargs['background'])
# convert to 0.0 - 1.0 float
background = background.astype(np.float64) / 255.0
except BaseException:
log.error('background color wrong!', exc_info=True)
# apply the background color
gl.glClearColor(*background)
max_depth = (np.abs(self.scene.bounds).max(axis=1)**2).sum()**.5
max_depth = np.clip(max_depth, 500.00, np.inf)
gl.glDepthRange(0.0, max_depth)
gl.glClearDepth(1.0)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_LIGHT1)
# put the light at one corner of the scenes AABB
gl.glLightfv(
gl.GL_LIGHT0, gl.GL_POSITION,
rendering.vector_to_gl(np.append(self.scene.bounds[1], 0)))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR,
rendering.vector_to_gl(.5, .5, 1, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE,
rendering.vector_to_gl(1, 1, 1, .75))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT,
rendering.vector_to_gl(.1, .1, .1, .2))
gl.glColorMaterial(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE)
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glMaterialfv(gl.GL_FRONT, gl.GL_AMBIENT,
rendering.vector_to_gl(0.192250, 0.192250, 0.192250))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_DIFFUSE,
rendering.vector_to_gl(0.507540, 0.507540, 0.507540))
gl.glMaterialfv(gl.GL_FRONT, gl.GL_SPECULAR,
rendering.vector_to_gl(.5082730, .5082730, .5082730))
gl.glMaterialf(gl.GL_FRONT, gl.GL_SHININESS, .4 * 128.0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glLineWidth(1.5)
gl.glPointSize(4)
def setup():
# One-time GL setup
glClearColor(1, 1, 1, 1)
glColor3f(1, 0, 0)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
# Uncomment this line for a wireframe view
#glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# Simple light setup. On Windows GL_LIGHT0 is enabled by default,
# but this is not the case on Linux or Mac, so remember to always
# include it.
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glEnable(GL_LIGHT1)
# Define a simple function to create ctypes arrays of floats:
def vec(*args):
return (GLfloat * len(args))(*args)
glLightfv(GL_LIGHT0, GL_POSITION, vec(.5, .5, 1, 0))
glLightfv(GL_LIGHT0, GL_SPECULAR, vec(.5, .5, 1, 1))
glLightfv(GL_LIGHT0, GL_DIFFUSE, vec(1, 1, 1, 1))
glLightfv(GL_LIGHT1, GL_POSITION, vec(1, 0, .5, 0))
glLightfv(GL_LIGHT1, GL_DIFFUSE, vec(.5, .5, .5, 1))
glLightfv(GL_LIGHT1, GL_SPECULAR, vec(1, 1, 1, 1))
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.5, 0, 0.3, 1))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, vec(1, 1, 1, 1))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 50)
def setLights(self):
pos = [1.0, 0.0, 2.0, 1.0]
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, glvecf(pos))
gl.glEnable(gl.GL_LIGHT0)
def on_draw():
window.clear()
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_LINE_SMOOTH)
width, height = window.get_size()
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60, width / float(height), 0.01, 20)
gl.glMatrixMode(gl.GL_TEXTURE)
gl.glLoadIdentity()
# texcoords are [0..1] and relative to top-left pixel corner, add 0.5 to center
gl.glTranslatef(0.5 / image_data.width, 0.5 / image_data.height, 0)
# texture size may be increased by pyglet to a power of 2
tw, th = image_data.texture.owner.width, image_data.texture.owner.height
gl.glScalef(image_data.width / float(tw),
image_data.height / float(th), 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.gluLookAt(0, 0, 0, 0, 0, 1, 0, -1, 0)
gl.glTranslatef(0, 0, state.distance)
gl.glRotated(state.pitch, 1, 0, 0)
gl.glRotated(state.yaw, 0, 1, 0)
if any(state.mouse_btns):
axes(0.1, 4)
gl.glTranslatef(0, 0, -state.distance)
gl.glTranslatef(*state.translation)
gl.glColor3f(0.5, 0.5, 0.5)
gl.glPushMatrix()
gl.glTranslatef(0, 0.5, 0.5)
grid()
gl.glPopMatrix()
psz = max(window.get_size()) / float(max(w, h)) if state.scale else 1
gl.glPointSize(psz)
distance = (0, 0, 1) if state.attenuation else (1, 0, 0)
gl.glPointParameterfv(gl.GL_POINT_DISTANCE_ATTENUATION,
(gl.GLfloat * 3)(*distance))
if state.lighting:
ldir = [0.5, 0.5, 0.5] # world-space lighting
ldir = np.dot(state.rotation, (0, 0, 1)) # MeshLab style lighting
ldir = list(ldir) + [0] # w=0, directional light
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, (gl.GLfloat * 4)(*ldir))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE,
(gl.GLfloat * 3)(1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT,
(gl.GLfloat * 3)(0.75, 0.75, 0.75))
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_NORMALIZE)
gl.glEnable(gl.GL_LIGHTING)
gl.glColor3f(1, 1, 1)
texture = image_data.get_texture()
gl.glEnable(texture.target)
gl.glBindTexture(texture.target, texture.id)
gl.glTexParameteri(
gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_NEAREST)
# comment this to get round points with MSAA on
gl.glEnable(gl.GL_POINT_SPRITE)
if not state.scale and not state.attenuation:
gl.glDisable(gl.GL_MULTISAMPLE) # for true 1px points with MSAA on
vertex_list.draw(gl.GL_POINTS)
gl.glDisable(texture.target)
if not state.scale and not state.attenuation:
gl.glEnable(gl.GL_MULTISAMPLE)
gl.glDisable(gl.GL_LIGHTING)
gl.glColor3f(0.25, 0.25, 0.25)
frustum(depth_intrinsics)
axes()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.glMatrixMode(gl.GL_TEXTURE)
gl.glLoadIdentity()
gl.glDisable(gl.GL_DEPTH_TEST)
fps_display.draw()
def setup_lights(self):
if not self.do_lights:
return
glEnable(GL_LIGHTING)
glDisable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_AMBIENT, vec(0.4, 0.4, 0.4, 1.0))
glLightfv(GL_LIGHT0, GL_SPECULAR, vec(0, 0, 0, 0))
glLightfv(GL_LIGHT0, GL_DIFFUSE, vec(0, 0, 0, 0))
glEnable(GL_LIGHT1)
glLightfv(GL_LIGHT1, GL_AMBIENT, vec(0, 0, 0, 1.0))
glLightfv(GL_LIGHT1, GL_SPECULAR, vec(0.6, 0.6, 0.6, 1.0))
glLightfv(GL_LIGHT2, GL_DIFFUSE, vec(0.8, 0.8, 0.8, 1))
glLightfv(GL_LIGHT1, GL_POSITION, vec(1, 2, 3, 0))
glEnable(GL_LIGHT2)
glLightfv(GL_LIGHT2, GL_AMBIENT, vec(0, 0, 0, 1.0))
glLightfv(GL_LIGHT2, GL_SPECULAR, vec(0.6, 0.6, 0.6, 1.0))
glLightfv(GL_LIGHT2, GL_DIFFUSE, vec(0.8, 0.8, 0.8, 1))
glLightfv(GL_LIGHT2, GL_POSITION, vec(-1, -1, 3, 0))
glEnable(GL_NORMALIZE)
glShadeModel(GL_SMOOTH)
def OnInitGL(self, call_reshape = True):
'''Initialize OpenGL for use in the window.'''
if self.GLinitialized:
return
self.GLinitialized = True
# create a pyglet context for this panel
self.pygletcontext = gl.Context(gl.current_context)
self.pygletcontext.canvas = self
self.pygletcontext.set_current()
# normal gl init
glClearColor(0, 0, 0, 1)
glColor3f(1, 0, 0)
glEnable(GL_DEPTH_TEST)
glClearDepth(1.0)
glDepthFunc(GL_LEQUAL)
glEnable(GL_CULL_FACE)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
# Uncomment this line for a wireframe view
# glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# Simple light setup. On Windows GL_LIGHT0 is enabled by default,
# but this is not the case on Linux or Mac, so remember to always
# include it.
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glEnable(GL_LIGHT1)
glLightfv(GL_LIGHT0, GL_POSITION, vec(.5, .5, 1, 0))
glLightfv(GL_LIGHT0, GL_SPECULAR, vec(.5, .5, 1, 1))
glLightfv(GL_LIGHT0, GL_DIFFUSE, vec(1, 1, 1, 1))
glLightfv(GL_LIGHT1, GL_POSITION, vec(1, 0, .5, 0))
glLightfv(GL_LIGHT1, GL_DIFFUSE, vec(.5, .5, .5, 1))
glLightfv(GL_LIGHT1, GL_SPECULAR, vec(1, 1, 1, 1))
glShadeModel(GL_SMOOTH)
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, vec(0.5, 0, 0.3, 1))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, vec(1, 1, 1, 1))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 50)
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, vec(0, 0.1, 0, 0.9))
if call_reshape:
self.OnReshape()
if hasattr(self.parent, "filenames") and self.parent.filenames:
for filename in self.parent.filenames:
self.parent.load_file(filename)
self.parent.autoplate()
if hasattr(self.parent, "loadcb"):
self.parent.loadcb()
self.parent.filenames = None
def on_draw():
window.clear()
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_LINE_SMOOTH)
width, height = window.get_size()
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60, width / float(height), 0.01, 20)
gl.glMatrixMode(gl.GL_TEXTURE)
gl.glLoadIdentity()
# texcoords are [0..1] and relative to top-left pixel corner, add 0.5 to center
gl.glTranslatef(0.5 / image_data.width, 0.5 / image_data.height, 0)
image_texture = image_data.get_texture()
# texture size may be increased by pyglet to a power of 2
tw, th = image_texture.owner.width, image_texture.owner.height
gl.glScalef(image_data.width / float(tw),
image_data.height / float(th), 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.gluLookAt(0, 0, 0, 0, 0, 1, 0, -1, 0)
gl.glTranslatef(0, 0, state.distance)
gl.glRotated(state.pitch, 1, 0, 0)
gl.glRotated(state.yaw, 0, 1, 0)
if any(state.mouse_btns):
axes(0.1, 4)
gl.glTranslatef(0, 0, -state.distance)
gl.glTranslatef(*state.translation)
gl.glColor3f(0.5, 0.5, 0.5)
gl.glPushMatrix()
gl.glTranslatef(0, 0.5, 0.5)
grid()
gl.glPopMatrix()
psz = max(window.get_size()) / float(max(w, h)) if state.scale else 1
gl.glPointSize(psz)
distance = (0, 0, 1) if state.attenuation else (1, 0, 0)
gl.glPointParameterfv(gl.GL_POINT_DISTANCE_ATTENUATION,
(gl.GLfloat * 3)(*distance))
if state.lighting:
ldir = [0.5, 0.5, 0.5] # world-space lighting
ldir = np.dot(state.rotation, (0, 0, 1)) # MeshLab style lighting
ldir = list(ldir) + [0] # w=0, directional light
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, (gl.GLfloat * 4)(*ldir))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE,
(gl.GLfloat * 3)(1.0, 1.0, 1.0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT,
(gl.GLfloat * 3)(0.75, 0.75, 0.75))
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_NORMALIZE)
gl.glEnable(gl.GL_LIGHTING)
gl.glColor3f(1, 1, 1)
texture = image_data.get_texture()
gl.glEnable(texture.target)
gl.glBindTexture(texture.target, texture.id)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER,
gl.GL_NEAREST)
# comment this to get round points with MSAA on
gl.glEnable(gl.GL_POINT_SPRITE)
if not state.scale and not state.attenuation:
gl.glDisable(gl.GL_MULTISAMPLE) # for true 1px points with MSAA on
vertex_list.draw(gl.GL_POINTS)
gl.glDisable(texture.target)
if not state.scale and not state.attenuation:
gl.glEnable(gl.GL_MULTISAMPLE)
gl.glDisable(gl.GL_LIGHTING)
gl.glColor3f(0.25, 0.25, 0.25)
frustum(depth_intrinsics)
axes()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.glMatrixMode(gl.GL_TEXTURE)
gl.glLoadIdentity()
gl.glDisable(gl.GL_DEPTH_TEST)
fps_display.draw()
def glSetup(self):
gl.glClearColor(0.2, 0.2, 0.3, 1)
gl.glColor3f(1, 1, 1)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_NORMALIZE)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, vec(50, 50, 10, 0))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_SPECULAR, vec(5, 5, 10, 1))
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, vec(1, 1, 1, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_AMBIENT, vec(0, 0, 0, 1.0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_SPECULAR, vec(0.6, 0.6, 0.6, 1.0))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_DIFFUSE, vec(0.8, 0.8, 0.8, 1))
gl.glLightfv(gl.GL_LIGHT1, gl.GL_POSITION, vec(-10.0, -20.0, 20.0, 0))
# Create a Material and Group for the Model
diffuse = [0.5, 0.5, 0.3, 1.0]
ambient = [0.5, 0.5, 0.3, 1.0]
specular = [1.0, 1.0, 1.0, 1.0]
emission = [0.0, 0.0, 0.0, 1.0]
shininess = 50
material = pyglet.model.Material("", diffuse, ambient, specular,
emission, shininess)
self.group = pyglet.model.MaterialGroup(material=material)
# Create a Material and Group for the ground plane
diffuse = [0.02, 0.02, 0.023, 1.0]
ambient = [0.01, 0.01, 0.01, 1.0]
specular = [0.05, 0.05, 0.07, 1.0]
emission = [0.0, 0.0, 0.0, 1.0]
shininess = 10
material2 = pyglet.model.Material("ground", diffuse, ambient, specular,
emission, shininess)
self.group2 = pyglet.model.MaterialGroup(material=material2)
