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 _setup_3d(self):
w, h = self.get_size()
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_CULL_FACE)
viewport = self.get_viewport_size()
gl.glViewport(0, 0, max(1, viewport[0]), max(1, viewport[1]))
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(*self.perspective)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
y, x = self.rotation
gl.glRotatef(x, 0, 1, 0)
gl.glRotatef(-y, math.cos(math.radians(x)), 0,
math.sin(math.radians(x)))
# NOTE: for GL render, its x-z plane is the ground plane,
# so we unpack the position using `(x, z, y)` instead of `(x, y, z)`
x, z, y = self.position
if not self.debug_mode:
y += self.perspective_over_drone[0]
z += self.perspective_over_drone[1]
gl.glTranslatef(-x, -y, -z)
def _update_perspective(self, width, height):
try:
# for high DPI screens viewport size
# will be different then the passed size
width, height = self.get_viewport_size()
except BaseException:
# older versions of pyglet may not have this
pass
# set the new viewport size
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
# get field of view and Z range from camera
camera = self.scene.camera
# set perspective from camera data
gl.gluPerspective(camera.fov[1],
width / float(height),
camera.z_near,
camera.z_far)
gl.glMatrixMode(gl.GL_MODELVIEW)
return width, height
def on_resize(width, height):
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(70, 1.0 * width / height, 0.1, 1000.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
def set_camera_projection (self):
lander_width = self.scaleFactor * self.simulator.lander_width
lander_height = self.scaleFactor * -self.simulator.lander.colliders['pos'][1].min()
(pad_x, pad_y) = (0.0, lander_height)
(lander_x, lander_y) = self.scaleFactor * self.simulator.lander.pos
self.display_width = abs(pad_x - lander_x) + 2*lander_width
self.display_height = abs(pad_y - lander_y) + 2*lander_width
if self.display_width*self.height > self.display_height*self.width:
self.display_height = self.display_width * self.height / self.width
else:
self.display_width = self.display_height * self.width / self.height
self.camera_x = (pad_x + lander_x) / 2.0
self.camera_y = (pad_y + lander_y) / 2.0
self.camera_z = self.display_height / (2.0 * math.tan(self.fov_y/2.0))
moon_radius = self.scaleFactor * 1.7371e6
self.camera_near = self.camera_y / math.tan(self.fov_y/2.0)
# self.camera_far = 500*self.scaleFactor
self.camera_far = math.sqrt(2*moon_radius*self.camera_y)
gl.glLoadIdentity()
gl.gluPerspective (math.degrees(self.fov_y), self.display_width/self.display_height,
self.camera_near, self.camera_far)
def on_resize(width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60, width/float(height), .1, 8192.)
gl.glMatrixMode(gl.GL_MODELVIEW)
return pyglet.event.EVENT_HANDLED
def _set_up_perspective(self):
glEnable(GL_DEPTH_TEST)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60., self.aspect_ratio, 1, 1000.)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
def draw(self, camera):
# set up projection matrix
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPushMatrix()
gl.glLoadIdentity()
gl.gluPerspective(FOVY, camera.aspect(), NEAR_PLANE, FAR_PLANE)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glEnable(gl.GL_DEPTH_TEST)
# compute correct clip rect on far plane
l, b = camera.position + camera.offset * FAR_PLANE_SCALE
r, t = camera.position - camera.offset * FAR_PLANE_SCALE
# Create blocks
l = int(floor(l / BLOCK_SIZE))
r = int(ceil(r / BLOCK_SIZE))
b = int(floor(b / BLOCK_SIZE))
t = int(ceil(t / BLOCK_SIZE))
for y in range(b, t):
for x in range(l, r):
c = v(x, y) * BLOCK_SIZE
gl.glPushMatrix()
gl.glTranslatef(c.x, c.y, 0)
self.batch.draw()
gl.glPopMatrix()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPopMatrix()
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glDisable(gl.GL_DEPTH_TEST)
def on_draw(*args):
global time, particles
t = time / FRAMES
window.clear()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(90, 1, 0.1, 100)
gl.glTranslatef(0, 0, -10)
gl.glRotatef(t * 360, 0, 1, 0)
# gl.glRotatef(t * 360, 1, 0, 0)
batch = pyglet.graphics.Batch()
if time == FRAMES:
exit()
points = []
for i in range(K):
points.append(gen_point((i + t) / K, i))
# print(points)
points_to_lines(points, batch)
batch.draw()
save_frame(time % FRAMES)
time += 1
def display(self, width, height):
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60., width / float(height), .1, 1000.)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.glTranslatef(self.trans[0], self.trans[1], self.trans[2])
gl.glRotatef(self.rot[0], 1.0, 0.0, 0.0)
gl.glRotatef(self.rot[1], 0.0, 1.0, 0.0)
gl.glRotatef(self.rz, 0, 0, 1)
gl.glRotatef(self.ry, 0, 1, 0)
gl.glRotatef(self.rx, 1, 0, 0)
gl.glEnable(gl.GL_LIGHTING)
gl.glColor3f(1, 0, 0)
self.torus.draw()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.glDisable(gl.GL_LIGHTING)
gl.glColor3f(0, 1, 0)
self.lowerlabel.text = 'Rx %.2f Ry %.2f Rz %.2f' % (self.rx, self.ry,
self.rz)
self.lowerlabel.draw()
self.upperlabel.text = time.strftime('Now is %H:%M:%S')
self.upperlabel.x = width - self.upperlabel.content_width - 5
self.upperlabel.y = height - self.upperlabel.content_height
self.upperlabel.draw()
def on_resize(self, width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60., width / float(height), .01, 1000.)
gl.glMatrixMode(gl.GL_MODELVIEW)
self.view['ball'].place([width/2, height/2], (width+height)/2)
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()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
(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(0, 0, 2.4,
0, 0, 0,
0, 1, 0)
global render_texture
render_texture = self.texture
for v in self.visions.values():
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
v.iteration()
buf = pyglet.image.get_buffer_manager().get_color_buffer()
rawimage = buf.get_image_data()
self.texture = rawimage.get_texture()
clock.tick()
def set_camera_projection(self):
lander_width = self.scaleFactor * self.simulator.lander_width
lander_height = self.scaleFactor * -self.simulator.lander.colliders[
'pos'][1].min()
(pad_x, pad_y) = (0.0, lander_height)
(lander_x, lander_y) = self.scaleFactor * self.simulator.lander.pos
self.display_width = abs(pad_x - lander_x) + 2 * lander_width
self.display_height = abs(pad_y - lander_y) + 2 * lander_width
if self.display_width * self.height > self.display_height * self.width:
self.display_height = self.display_width * self.height / self.width
else:
self.display_width = self.display_height * self.width / self.height
self.camera_x = (pad_x + lander_x) / 2.0
self.camera_y = (pad_y + lander_y) / 2.0
self.camera_z = self.display_height / (2.0 *
math.tan(self.fov_y / 2.0))
moon_radius = self.scaleFactor * 1.7371e6
self.camera_near = self.camera_y / math.tan(self.fov_y / 2.0)
# self.camera_far = 500*self.scaleFactor
self.camera_far = math.sqrt(2 * moon_radius * self.camera_y)
gl.glLoadIdentity()
gl.gluPerspective(math.degrees(self.fov_y),
self.display_width / self.display_height,
self.camera_near, self.camera_far)
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 on_resize(self, width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60., width / float(height), .01, 1000.)
gl.glMatrixMode(gl.GL_MODELVIEW)
self.view['ball'].place([width / 2, height / 2], (width + height) / 2)
def on_resize(self, width, height):
'''
calculate perspective matrix
'''
v_ar = width/float(height)
usableWidth = int(min(width, height*v_ar))
usableHeight = int(min(height, width/v_ar))
ox = (width - usableWidth) // 2
oy = (height - usableHeight) // 2
glViewport(ox, oy, usableWidth, usableHeight)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60, usableWidth/float(usableHeight), 0.1, 3000.0)
''' set camera position on modelview matrix
'''
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
gluLookAt(width/2.0, height/2.0, height/1.1566,
width/2.0, height/2.0, 0,
0.0, 1.0, 0.0)
''' update scene controller with size
'''
self.controller.resize(width, height)
#clears to a grey.
glClearColor(0.4,0.4,0.4,0.)
return pyglet.event.EVENT_HANDLED
def on_draw(*args):
global time, particles
t = time / FRAMES
window.clear()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(90, 1, 0.1, 100)
gl.glTranslatef(0, 0, -10)
gl.glRotatef(t * 360, 0, 1, 0)
batch = pyglet.graphics.Batch()
if time == FRAMES:
exit()
points = np.empty((K, 3))
for i in range(K):
points[i] = gen_point((i + t) / K, i, t)
# points = points.reshape(-1)
# batch.add(len(points) // 3, pyglet.graphics.GL_POINTS, None, ("v3f", points))
# print(points)
points_to_lines(points, batch, 1.2)
batch.draw()
save_frame(time % FRAMES)
time += 1
def on_draw():
pyglet.clock.tick()
window.clear()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
(w, h) = window.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(0, 0, 2.4,
0, 0, 0,
0, 1, 0)
for vision in window.visions.values():
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
vision()
buf = pyglet.image.get_buffer_manager().get_color_buffer()
rawimage = buf.get_image_data()
window.texture = rawimage.get_texture()
def set_projection3D(self):
"""Sets a 3D projection mantaining the aspect ratio of the original window size"""
# virtual (desired) view size
vw, vh = self.get_window_size()
gl.glViewport(self._offset_x, self._offset_y, self._usable_width,
self._usable_height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60, self._usable_width / float(self._usable_height),
0.1, 3000.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.gluLookAt(
vw / 2.0,
vh / 2.0,
vh / 1.1566, # eye
vw / 2.0,
vh / 2.0,
0, # center
0.0,
1.0,
0.0 # up vector
)
def select_object(x, y, objects=None):
from miru.context import context
if objects is None:
objects = context.camera.objects
# following technique is adapted from
# http://www.cse.msu.edu/~cse872/tutorial9.html
w = context.window.width
h = context.window.height
select_buffer = ctypes.cast((100 * gl.GLuint)(), ctypes.POINTER(gl.GLuint))
gl.glSelectBuffer(100, select_buffer)
viewport = (4 * gl.GLint)()
gl.glGetIntegerv(gl.GL_VIEWPORT, viewport)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
# rotate the camera first
angle = context.camera.angle
gl.glRotatef(angle.z, 0, 0, 1)
gl.glRotatef(angle.y, 0, 1, 0)
gl.glRotatef(angle.x, 1, 0, 0)
gl.gluPickMatrix(x, y, 3, 3, viewport)
gl.glRenderMode(gl.GL_SELECT)
gl.gluPerspective(45., w / float(h), 0.1, 1000.)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glInitNames()
gl.glPushName(-1)
context.camera.render(select_pass=1, visible=objects)
gl.glFlush()
hits = gl.glRenderMode(gl.GL_RENDER)
gl.glPopName()
selected = None
if hits:
try:
m = sys.maxint << 100
idx = 0
for i in range(0, 100, 4):
if not select_buffer[i]:
selected = objects[idx]
break
m = min(select_buffer[i+1], m)
if m == select_buffer[i+1]:
idx = select_buffer[i+3]
except IndexError:
pass
context.window.on_resize(context.window.width, context.window.height)
return selected
def on_resize(self, width, height):
"""
Handle resized windows.
"""
try:
# for high DPI screens viewport size
# will be different then the passed size
width, height = self.get_viewport_size()
except BaseException:
# older versions of pyglet may not have this
pass
# set the new viewport size
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
# get field of view from camera
fovY = self.scene.camera.fov[1]
gl.gluPerspective(fovY,
width / float(height),
.01,
self.scene.scale * 5.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
self.view['ball'].place([width / 2, height / 2],
(width + height) / 2)
def set_3d(width, height):
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(65, width / height, 0.1, 60)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
def on_resize(self, width, height):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60., float(width) / height, 1., 100.)
glMatrixMode(GL_MODELVIEW)
return True
def on_resize(width, height):
# Override the default on_resize handler to create a 3D projection
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60., width / float(height), .1, 1000.)
glMatrixMode(GL_MODELVIEW)
return EVENT_HANDLED
def on_resize(self, width, height, x=0, y=0):
gl.glViewport(x, y, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
height = height or 1
gl.gluPerspective(45., width / float(height), 0.1, 1000.)
gl.glMatrixMode(gl.GL_MODELVIEW)
self._setLightsAndEffects()
def on_resize(self, width, height):
super(Window, self).on_resize(width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glEnable(GL_DEPTH_TEST)
gluPerspective(60., self.perspective, 1., 1000.)
glMatrixMode(GL_MODELVIEW)
return True
def gl_resize(w, h, fov, z_near, z_far):
gl.glViewport(0, 0, w, h)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
aspect_ratio = float(w) / float(h)
gl.gluPerspective(fov[1], aspect_ratio, z_near, z_far)
gl.glMatrixMode(gl.GL_MODELVIEW)
def on_resize(self, width, height):
"""
The window was resized.
"""
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(FOV, width / height, NEAR_PLANE, FAR_PLANE)
glMatrixMode(GL_MODELVIEW)
glShadeModel(GL_SMOOTH)
def _set_3d_projection(cls):
gl.glViewport(director._offset_x, director._offset_y,
director._usable_width, director._usable_height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(
60, 1.0 * director._usable_width / director._usable_height, 0.1,
3000.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
def defaultView(self, width, height):
self.width = width
self.height = height
gl.glViewport(0, 0, self.width, self.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(self.fieldofview, self.width / float(self.height),
self.clipnear, self.clipfar)
gl.glMatrixMode(gl.GL_MODELVIEW)
def on_resize(self, width, height):
width, height = self.get_size()
self.label_update()
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(45.0, width / float(height), 0.1, 60.0)
glMatrixMode(GL_MODELVIEW)
return pyglet.event.EVENT_HANDLED
def focus(self, width, height): """Sets the projection matrix. Usefull for window.on_resize event @param width: width of resized window @param height: height of resized window""" self.width = width self.height = height glViewport(0, 0, width, height) glMatrixMode(GL_PROJECTION) glLoadIdentity() aspect = width/float(height) gluPerspective(self.fovy, aspect, 0.01, 1024.0 )
def set_up_perspective(self):
glViewport(0, 0, self.width * 2, self.height * 2)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glEnable(GL_DEPTH_TEST)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60., self.perspective, 1., 1000.)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glRotatef(90, 1, 0, 0)
def focus(self, width, height):
"""Sets the projection matrix. Usefull for window.on_resize event
@param width: width of resized window
@param height: height of resized window"""
self.width = width
self.height = height
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
aspect = width / float(height)
gluPerspective(self.fovy, aspect, 0.01, 1024.0)
def on_resize(self, width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
aspect_ratio = width / height
gl.gluPerspective(35, aspect_ratio, 1, 100)
# gl.glOrtho(-3, 3, -3, 3, -3, 3)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
def setup_projection(self):
pgl.glMatrixMode(pgl.GL_PROJECTION)
pgl.glLoadIdentity()
if self.ortho:
# yep, this is pseudo ortho (don't tell anyone)
pgl.gluPerspective(
0.3, float(self.window.width)/float(self.window.height),
self.min_ortho_dist - 0.01, self.max_ortho_dist + 0.01)
else:
pgl.gluPerspective(
30.0, float(self.window.width)/float(self.window.height),
self.min_dist - 0.01, self.max_dist + 0.01)
pgl.glMatrixMode(pgl.GL_MODELVIEW)
def focus(self, width, height):
aspect = width / height
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glViewport(0, 0, width, height)
gluPerspective(self._fov * self._zoom, aspect, self._near, self._far)
glScalef(self._scalex, self._scaley, self._scalez)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
gluLookAt(self._x, self._y, self._z, self._target.x, self._target.y,
self._target.z, 0.0, 1.0, 0.0)
def set_3d(self):
width, height = self.get_size()
glEnable(GL_DEPTH_TEST)
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(65.0, width / float(height), 0.1, 60.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
x, y = self.rotation
glRotatef(x, 0, 1, 0)
glRotatef(-y, math.cos(math.radians(x)), 0, math.sin(math.radians(x)))
x, y, z = self.position
glTranslatef(-x, -y, -z)
def set_3d(self, size):
"""Configure OpenGL to draw in 3d."""
width, height = 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, 60.0)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
x, y = self.player.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.player.position
GL.glTranslatef(-x, -y, -z)
def setup_projection(self):
pgl.glMatrixMode(pgl.GL_PROJECTION)
pgl.glLoadIdentity()
if self.ortho:
# yep, this is pseudo ortho (don't tell anyone)
pgl.gluPerspective(
0.3,
float(self.window.width) / float(self.window.height),
self.min_ortho_dist - 0.01, self.max_ortho_dist + 0.01)
else:
pgl.gluPerspective(
30.0,
float(self.window.width) / float(self.window.height),
self.min_dist - 0.01, self.max_dist + 0.01)
pgl.glMatrixMode(pgl.GL_MODELVIEW)
def focus(self, width, height):
aspect = width/height
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glViewport(0, 0, width, height)
gluPerspective(self._fov*self._zoom, aspect, self._near, self._far)
glScalef(self._scalex, self._scaley, self._scalez)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
gluLookAt(
self._x, self._y, self._z,
self._target.x, self._target.y, self._target.z,
0.0, 1.0, 0.0)
def set_projection3D(self):
"""Sets a 3D projection mantaining the aspect ratio of the original window size"""
# virtual (desired) view size
vw, vh = self.get_window_size()
gl.glViewport(self._offset_x, self._offset_y, self._usable_width, self._usable_height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60, self._usable_width / float(self._usable_height), 0.1, 3000.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.gluLookAt(vw / 2.0, vh / 2.0, vh / 1.1566, # eye
vw / 2.0, vh / 2.0, 0, # center
0.0, 1.0, 0.0 # up vector
)
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 apply(self):
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(self.yFov_rad * 180 / pi, self.xFov_rad / self.yFov_rad, self.zNear, self.zFar)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
gl.gluLookAt(
self.eye[0],
self.eye[1],
self.eye[2],
self.tgt[0],
self.tgt[1],
self.tgt[2],
self.up[0],
self.up[1],
self.up[2],
)
def on_draw():
# Reset
# =====
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
# Camera view
# ===========
gl.gluPerspective(70, window.width / window.height, 1, 1000)
gl.gluLookAt(2, 1, 1, 0, 0, 0, 0, 0, 1)
# Draw the cube
# =============
gl.glBegin(gl.GL_QUADS)
# Left face
gl.glColor3f(1.0, 0, 0)
gl.glVertex3f(1, -1, -1)
gl.glVertex3f(1, -1, 1)
gl.glVertex3f(-1, -1, 1)
gl.glVertex3f(-1, -1, -1)
# Right face
gl.glColor3f(0, 1.0, 0)
gl.glVertex3f(-1, -1, 1)
gl.glVertex3f(-1, 1, 1)
gl.glVertex3f(-1, 1, -1)
gl.glVertex3f(-1, -1, -1)
#Bottom face
gl.glColor3f(0, 0, 1.0)
gl.glVertex3f(1, -1, -1)
gl.glVertex3f(-1, -1, -1)
gl.glVertex3f(-1, 1, -1)
gl.glVertex3f(1, 1, -1)
gl.glEnd()
gl.glColor3f(0, 0, 0)
pointer = gl.gluNewQuadric()
gl.gluSphere(pointer, 0.1, 20, 20)
def OnReshape(self):
"""Reshape the OpenGL viewport based on the size of the window"""
size = self.GetClientSize()
oldwidth, oldheight = self.width, self.height
width, height = size.width, size.height
if width < 1 or height < 1:
return
self.width = max(float(width), 1.0)
self.height = max(float(height), 1.0)
self.OnInitGL(call_reshape = False)
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
if self.orthographic:
glOrtho(-width / 2, width / 2, -height / 2, height / 2,
-5 * self.dist, 5 * self.dist)
else:
gluPerspective(60., float(width) / height, 10.0, 3 * self.dist)
glTranslatef(0, 0, -self.dist) # Move back
glMatrixMode(GL_MODELVIEW)
if not self.mview_initialized:
self.reset_mview(0.9)
self.mview_initialized = True
elif oldwidth is not None and oldheight is not None:
wratio = self.width / oldwidth
hratio = self.height / oldheight
factor = min(wratio * self.zoomed_width, hratio * self.zoomed_height)
x, y, _ = self.mouse_to_3d(self.width / 2, self.height / 2)
self.zoom(factor, (x, y))
self.zoomed_width *= wratio / factor
self.zoomed_height *= hratio / factor
# Wrap text to the width of the window
if self.GLinitialized:
self.pygletcontext.set_current()
self.update_object_resize()
def _set_view(self):
left = int(self._pixel_per_point[0] * self.rect.left)
bottom = int(self._pixel_per_point[1] * self.rect.bottom)
width = int(self._pixel_per_point[0] * self.rect.width)
height = int(self._pixel_per_point[1] * self.rect.height)
gl.glPushAttrib(gl.GL_ENABLE_BIT)
gl.glEnable(gl.GL_SCISSOR_TEST)
gl.glScissor(left, bottom, width, height)
self._mode = (gl.GLint)()
gl.glGetIntegerv(gl.GL_MATRIX_MODE, self._mode)
self._viewport = (gl.GLint * 4)()
gl.glGetIntegerv(gl.GL_VIEWPORT, self._viewport)
gl.glViewport(left, bottom, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPushMatrix()
gl.glLoadIdentity()
near = 0.01
far = 1000.
gl.gluPerspective(self.scene.camera.fov[1], width / height, near, far)
gl.glMatrixMode(gl.GL_MODELVIEW)
def generate_map(self):
scene_radius = 95.0
light_to_scene_distance = math.sqrt(
light_pos[0]**2 + light_pos[1]**2 + light_pos[2]**2)
near_plane = light_to_scene_distance - scene_radius
field_of_view = math3d.radians_to_degrees(2.0 *
math.atan(scene_radius / float(light_to_scene_distance)))
tmp = (gl.GLfloat * 16)()
gl.glMatrixMode( gl.GL_PROJECTION )
gl.glLoadIdentity()
gl.gluPerspective( field_of_view, 1.0, near_plane,
near_plane + (2.0 * scene_radius) )
gl.glGetFloatv( gl.GL_PROJECTION_MATRIX, tmp )
gl.light_projection = euclid.Matrix4()
gl.light_projection[0:16] = tmp[:]
# Switch to light's point of view
gl.glMatrixMode( gl.GL_MODELVIEW )
gl.glLoadIdentity()
gl.gluLookAt( self.light.pos.x, self.light.pos.y, self.light.pos.z,
0.0, 0.0, 0.0, 0.0, 1.0, 0.0 )
gl.glGetFloatv( gl.GL_MODELVIEW_MATRIX, tmp )
light_mview = euclid.Matrix4()
light_mview[0:16] = tmp[:]
#glViewport(0, 0, shadow_width, shadow_height)
# Clear the depth buffer only
gl.glClear( gl.GL_DEPTH_BUFFER_BIT )
# Remember the current shade model
gl.glPushAttrib( gl.GL_ENABLE_BIT )
prev_shade_model = cypes.GLint()
gl.glGetIntegerv( gl.GL_SHADE_MODEL, prev_shade_model )
# All we care about here is resulting depth values
gl.glShadeModel( gl.GL_FLAT )
gl.glDisable( gl.GL_LIGHTING )
gl.glDisable( gl.GL_COLOR_MATERIAL )
gl.glDisable( gl.GL_NORMALIZE )
gl.glColorMask( 0, 0, 0, 0 )
# Overcome imprecision
gl.glEnable( gl.GL_POLYGON_OFFSET_FILL )
#draw_models(False)
self.context.render( exclude=self.exclude_shadows )
# Copy depth values into depth texture
gl.glCopyTexImage2D( gl.GL_TEXTURE_2D, 0, gl.GL_DEPTH_COMPONENT,
0, 0, shadow_width, shadow_height, 0 )
# Restore normal drawing state
gl.glShadeModel( gl.GL_SMOOTH )
gl.glEnable( gl.GL_LIGHTING )
gl.glEnable( gl.GL_COLOR_MATERIAL )
gl.glEnable( gl.GL_NORMALIZE )
gl.glColorMask( 1, 1, 1, 1 )
gl.glDisable( gl.GL_POLYGON_OFFSET_FILL )
# Setup up the texture matrix which will be use in eye-linear
# texture mapping
self.tex_matrix = euclid.Matrix4()
self.tex_matrix.translate(0.5, 0.5, 0.5).scale(0.5, 0.5, 0.5)
tmp_matrix.scale(0.5, 0.5, 0.5)
tex_matrix = (tmp_matrix * light_projection) * light_mview
self.tex_matrix.transpose()
# Give us immediate access to ctypes arrays
self.tex_matrix = (
(gl.GLfloat * 4)(*self.tex_matrix[0:4]),
(gl.GLfloat * 4)(*self.tex_matrix[4:8]),
(gl.GLfloat * 4)(*self.tex_matrix[8:12]),
(gl.GLfloat * 4)(*self.tex_matrix[12:16])
)
def perspective(self):
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(self.fov, self.w / self.h, 0.1, self.far)
gl.glMatrixMode(gl.GL_MODELVIEW)
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 on_resize(self, width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.gluPerspective(45.0, 1.0 * width / height, 0.1, 100.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
def _set_3d_projection(cls):
gl.glViewport(director._offset_x, director._offset_y, director._usable_width, director._usable_height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.gluPerspective(60, 1.0 * director._usable_width / director._usable_height, 0.1, 3000.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
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
