def get_input(get_what): textInput = '' gl.glClearColor(0,0,0,1) gl.glClear(gl.GL_COLOR_BUFFER_BIT) stim_display.refresh() simple_wait(0.500) my_text = get_what+textInput drawText( my_text , instruction_font , stim_display_res[0] , xLoc=stim_display_res[0]/2 , yLoc=stim_display_res[1]/2 , fg=[200,200,200,255] ) stim_display.refresh() done = False while not done: if not stamper_child.qFrom.empty(): event = stamper_child.qFrom.get() if event['type'] == 'key' : response = event['value'] if response=='q': exit_safely() elif response == 'backspace': if textInput!='': textInput = textInput[0:(len(textInput)-1)] my_text = get_what+textInput drawText( my_text , instruction_font , stim_display_res[0] , xLoc=stim_display_res[0]/2 , yLoc=stim_display_res[1]/2 , fg=[200,200,200,255] ) stim_display.refresh() elif response == 'return': done = True else: textInput = textInput + response my_text = get_what+textInput drawText( my_text , instruction_font , stim_display_res[0] , xLoc=stim_display_res[0]/2 , yLoc=stim_display_res[1]/2 , fg=[200,200,200,255] ) stim_display.refresh() stim_display.refresh() return textInput
def expose_cb(self,w,ev):
style=self.get_style()
gc=style.bg_gc[gtk.STATE_NORMAL]
left,top,width,height=self.get_allocation()
gldrawable = self.get_gl_drawable()
glcontext = self.get_gl_context()
gldrawable.gl_begin(glcontext)
GL.glClearColor(1, 1, 1, 0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
GL.glViewport(0,0,width,height)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GLU.gluPerspective(23, width/height, 5, 20)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
self.drawit()
if gldrawable.is_double_buffered():
gldrawable.swap_buffers()
else:
glFlush()
gldrawable.gl_end()
def render():
while True:
gl.glClearColor(0, 0.3, 0, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glLoadIdentity()
renderer.draw(step, layout)
yield None
def on_display( ):
global shader
gl.glClearColor(1,1,1,1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
gl.glColor(0,0,0,1)
shader.bind()
radius = 255.0
theta, dtheta = 0, 5.5/180.0*math.pi
support = 0.75
thickness = 1.0
for i in range(500):
x = 256+radius*math.cos(theta);
y = 32+256+radius*math.sin(theta);
r = 10.1-i*0.02
circle( (x,y,r), thickness=thickness, support=support )
radius -= 0.45
theta += dtheta
for i in range(0,39):
r = 4
thickness = (i+1)/10.0
x = 20+i*12.5 - r
y = 16
circle( (x,y,r), thickness=thickness, support=support )
glut.glutSwapBuffers( )
def render(self):
viewport = GL.glGetIntegerv(GL.GL_VIEWPORT)
width = viewport[2]
height = viewport[3]
# Render the widget using a separate viewport
side = min(width, height)
GL.glViewport((width - side) / 2, (height - side) / 2, side, side)
GL.glClearColor(*self.trolltechPurple.darker().getRgbF())
GL.glShadeModel(GL.GL_FLAT)
GL.glEnable(GL.GL_DEPTH_TEST)
#GL.glEnable(GL.GL_CULL_FACE)
GL.glTranslatef(0.0, 0.0, -10.0)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GL.glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
GL.glLoadIdentity()
GL.glTranslated(0.0, 0.0, -10.0)
GL.glRotated(self.xRot / 16.0, 1.0, 0.0, 0.0)
GL.glRotated(self.yRot / 16.0, 0.0, 1.0, 0.0)
GL.glRotated(self.zRot / 16.0, 0.0, 0.0, 1.0)
self.threed_object.render()
# reset the viewport
GL.glViewport(*viewport)
def gl_init( width, height ):
global __legocaptex,__quadratic
setviewport(width, height)
__legocaptex = layer_manager.load_2d_texture(pygame.image.tostring(__image, "RGBA"), LEGO_CAP_WIDTH, LEGO_CAP_HEIGHT)
__quadratic = GLU.gluNewQuadric()
GLU.gluQuadricTexture(__quadratic, GLU.GLU_TRUE)
GLU.gluQuadricDrawStyle(__quadratic,GLU.GLU_FILL)
GLU.gluQuadricOrientation(__quadratic, GLU.GLU_OUTSIDE)
GLU.gluQuadricNormals(__quadratic, GLU.GLU_SMOOTH)
GL.glClearColor( 0.0, 0.2, 0.5, 1.0 )
GL.glEnable(GL.GL_POINT_SMOOTH)
GL.glEnable(GL.GL_LINE_SMOOTH)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glEnable(GL.GL_ALPHA_TEST)
GL.glEnable(GL.GL_COLOR_MATERIAL)
GL.glDisable(GL.GL_CULL_FACE)
GL.glAlphaFunc(GL.GL_GREATER,0.1)
GL.glClearAccum(0.0, 0.0, 0.0, 1.0)
GL.glClear(GL.GL_ACCUM_BUFFER_BIT)
#GL.glGenLists(1)
draw_mode_3d()
def __init__(self, lnkpath=None):
self.logger = logging.getLogger(logger.name + "." + type(self).__name__)
self.zoom = -7.0 # distance to camera (zoom)
self.textures = []
self.rd = [1.9, 0.0, -0.5] # right delta
self.ld = [-1.9, 0.0, -0.5] # left delta
self.t = 0 # for transitions between images
self.s = 0 # for transitions between images
self.ndx = 0 # start by showing the first image
self._lastgame = None
self.lnkpath = lnkpath
self.lastgamepath = os.path.join(self.lnkpath, ".lastgame")
self.gamelist = self.get_gamelist()
self.logger.debug("Init CoverFlow with %d games" % self.gamecount())
# opengl stuff
gl.glEnable(gl.GL_TEXTURE_2D)
self.load_textures()
gl.glShadeModel(gl.GL_SMOOTH)
gl.glClearColor(0.0, 0.0, 0.0, 0.0)
gl.glClearDepth(1.0)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glHint(gl.GL_PERSPECTIVE_CORRECTION_HINT, gl.GL_NICEST)
gl.glEnable(gl.GL_LIGHT1)
def InitialiseOpenGL( self, width, height ) : # Initialise the trackball self.trackball = mtk.Trackball() self.trackball.Initialise( width, height ) # Default background color gl.glClearColor( 1, 1, 1, 1 ) # Enable depth test gl.glEnable( gl.GL_DEPTH_TEST ) # Enable face culling gl.glEnable( gl.GL_CULL_FACE ) # Enable blending function gl.glEnable( gl.GL_BLEND ) gl.glBlendFunc( gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA ) # Enable multisampling (antialiasing) gl.glEnable( gl.GL_MULTISAMPLE ) # Initialise the projection transformation matrix self.SetProjectionMatrix( width, height ) # Initialise Model-View transformation matrix self.modelview_matrix = np.identity( 4, dtype=np.float32 ) # Position the scene (camera) self.modelview_matrix[3,2] = -30.0 # Load the shaders self.flat_shader = mtk.FlatShader() self.smooth_shader = mtk.SmoothShader() self.shader = self.smooth_shader # Initialise viewing parameters self.wireframe_mode = 0 self.element_number = 0 self.color_enabled = False self.antialiasing = True
def drawSelf(self):
color = self.sceneNode.clearColor
if color is None:
GL.glClear(GL.GL_DEPTH_BUFFER_BIT)
else:
GL.glClearColor(*color)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc."""
# First check for supported GL version
gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
if gl_version < 3.3:
return
# background color
gl.glClearColor(0, 0, 0, 0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
self.globaldata = ndUBO()
try:
# Compile shaders and link color shader program
self.color_shader = BlueSkyProgram('data/graphics/shaders/nd-normal.vert', 'data/graphics/shaders/nd-color.frag')
self.color_shader.bind_uniform_buffer('global_data', self.globaldata)
# Compile shaders and link text shader program
self.text_shader = BlueSkyProgram('data/graphics/shaders/nd-text.vert', 'data/graphics/shaders/nd-text.frag')
self.text_shader.bind_uniform_buffer('global_data', self.globaldata)
except RuntimeError as e:
qCritical('Error compiling shaders in radarwidget: ' + e.args[0])
return
# Set initial zoom
self.globaldata.set_zoom(4.0)
self.create_objects()
def glinit(self,mode=None):
if mode:
self.rendermode = mode
GL.glClearColor(*colors.RGBA(self.bgcolor))# Clear The Background Color
GL.glClearDepth(1.0) # Enables Clearing Of The Depth Buffer
GL.glDepthFunc(GL.GL_LESS) # The Type Of Depth Test To Do
GL.glEnable(GL.GL_DEPTH_TEST) # Enables Depth Testing
if self.rendermode == 'wireframe':
GL.glShadeModel(GL.GL_FLAT) # Enables Flat Color Shading
GL.glDisable(GL.GL_LIGHTING)
elif self.rendermode == 'flat':
GL.glShadeModel(GL.GL_FLAT) # Enables Flat Color Shading
GL.glDisable(GL.GL_LIGHTING)
elif self.rendermode == 'smooth':
GL.glShadeModel(GL.GL_SMOOTH) # Enables Smooth Color Shading
GL.glEnable(GL.GL_LIGHTING)
for l,i in zip(['light0','light1'],[GL.GL_LIGHT0,GL.GL_LIGHT1]):
key = 'render/%s' % l
light = GD.cfg.get(key,self.default_light)
GD.debug(" set up %s %s" % (l,light))
GL.glLightModel(GL.GL_LIGHT_MODEL_AMBIENT,rgba(GD.cfg['render/ambient']))
GL.glLightModel(GL.GL_LIGHT_MODEL_TWO_SIDE, GL.GL_TRUE)
GL.glLightModel(GL.GL_LIGHT_MODEL_LOCAL_VIEWER, 0)
GL.glLightfv(i,GL.GL_AMBIENT,rgba(light['ambient']))
GL.glLightfv(i,GL.GL_DIFFUSE,rgba(light['diffuse']))
GL.glLightfv(i,GL.GL_SPECULAR,rgba(light['specular']))
GL.glLightfv(i,GL.GL_POSITION,rgba(light['position']))
GL.glEnable(i)
GL.glMaterialfv(GL.GL_FRONT_AND_BACK,GL.GL_SPECULAR,rgba(GD.cfg['render/specular']))
GL.glMaterialfv(GL.GL_FRONT_AND_BACK,GL.GL_EMISSION,rgba(GD.cfg['render/emission']))
GL.glMaterialfv(GL.GL_FRONT_AND_BACK,GL.GL_SHININESS,GD.cfg['render/shininess'])
GL.glColorMaterial(GL.GL_FRONT_AND_BACK,GL.GL_AMBIENT_AND_DIFFUSE)
GL.glEnable(GL.GL_COLOR_MATERIAL)
else:
raise RuntimeError,"Unknown rendering mode"
def __init__(self, wid):
"""Constructor for OpenGLRenderingArea"""
xlib = cdll.LoadLibrary('libX11.so')
xlib.XOpenDisplay.argtypes = [c_char_p]
xlib.XOpenDisplay.restype = POINTER(struct__XDisplay)
self.xdisplay = xlib.XOpenDisplay((ctypes.c_char * 1)(*[0]))
display = Display()
attrs = [
GLX.GLX_RGBA, True,
GLX.GLX_RED_SIZE, 1,
GLX.GLX_GREEN_SIZE, 1,
GLX.GLX_BLUE_SIZE, 1,
GLX.GLX_DOUBLEBUFFER, 0,
0, 0
]
width = 200
height = 200
cattrs = (c_int * len(attrs))(*attrs)
xvinfo = GLX.glXChooseVisual(self.xdisplay, display.get_default_screen(), cattrs)
configs = GLX.glXChooseFBConfig(self.xdisplay, 0, None, byref(c_int()))
self.context = GLX.glXCreateContext(self.xdisplay, xvinfo, None, True)
self.x_window_id = GdkX11.X11Window.get_xid(wid)
if not GLX.glXMakeCurrent(self.xdisplay, self.x_window_id, self.context):
print("failed")
GL.glViewport(0, 0, width, height) # todo
self.app = None
GL.glClearColor(0.24, 0.24, 0.24, 0.0)
self.profiler_window = None
def initializeGL(self): # , width=1, height=1
""" Initialization of the GL frame. """
# TODO: glOrtho should set to size of the frame which would allow using
# TODO: absolute coordinates in range/domain of original frame
GL.glClearColor(0.0, 0.0, 0.0, 1.0)
GL.glClearDepth(1.0)
GL.glOrtho(0, 1, 1, 0, -1, 1)
#glOrtho(0, width, height, 0, -1, 1) # DOESN'T WORK!!
GL.glMatrixMode(GL.GL_PROJECTION)
# Enable rational alpha blending
GL.glEnable(GL.GL_BLEND)
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)
if self.anti_aliasing:
# Points
GL.glEnable(GL.GL_POINT_SMOOTH)
GL.glHint(GL.GL_POINT_SMOOTH_HINT, GL.GL_NICEST)
# Lines
GL.glEnable(GL.GL_LINE_SMOOTH)
GL.glHint(GL.GL_LINE_SMOOTH_HINT, GL.GL_NICEST)
# Polygons, but NOT GL_TRIANGLE_FAN
GL.glEnable(GL.GL_POLYGON_SMOOTH)
GL.glHint(GL.GL_POLYGON_SMOOTH_HINT, GL.GL_NICEST)
# Not sure...
GL.glHint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST)
def __clear_screen(self):
'''
Clear screen, setup viewport
'''
gl.glClearColor(0.05, 0.05, 0.1, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT | gl.GL_STENCIL_BUFFER_BIT)
gl.glViewport(0, 0, self.gui.window_width, self.gui.window_height)
def render():
gl.glPixelStorei(gl.GL_PACK_ALIGNMENT, 1)
for i in range(10):
gl.glClearColor(0, 0, 0, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
yield
try:
song_time = 0
while song_time < length:
gl.glClearColor(0, 0, 0, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, 1, height / float(width), 0, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
if v:
v.draw(song_time, display, length)
renderer.draw(song_time + headstart, layout)
gl.glFinish()
gl.glReadBuffer(gl.GL_BACK)
data = gl.glReadPixelsub(0, 0, width, height, gl.GL_RGB)
print "\r%.02f%%" % (100 * song_time / length),
sys.stdout.flush()
x264.stdin.write(data.tostring())
song_time += 1/fps
#yield
except Exception as e:
print e
finally:
x264.stdin.close()
x264.wait()
os._exit(0)
def render(self):
gl.glClearColor(0, 0, 0, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
with self.shader_prog:
# Activate array
gl.glBindVertexArray(self.vao_id)
# FIXME: Why does the following work? tex_uniform is 1,
# palette_uniform is 0, but I have to set the uniform for
# tex_uniform to 0 and the uniform for palette_uniform to 1.
# Obviously I'm not understanding something.
#
# See: http://stackoverflow.com/questions/26622204
# https://www.opengl.org/discussion_boards/showthread.php/174926-when-to-use-glActiveTexture
# Activate texture
print(self.tex_uniform, self.palette_uniform, self.sample_texture, self.palette_id)
gl.glActiveTexture(gl.GL_TEXTURE0 + self.tex_uniform)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.sample_texture)
gl.glUniform1i(self.tex_uniform, 0)
# Activate palette texture
gl.glActiveTexture(gl.GL_TEXTURE0 + self.palette_uniform)
gl.glBindTexture(gl.GL_TEXTURE_BUFFER, self.palette_texture)
gl.glTexBuffer(gl.GL_TEXTURE_BUFFER, gl.GL_RGBA8, self.palette_id)
gl.glUniform1i(self.palette_uniform, 1)
# # Activate array
# gl.glBindVertexArray(self.vao_id)
# draw triangle
gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)
def _on_paint(self, event): """ Respond to paint events. Initialize GL if this is the first paint event. Resize the view port if the width or height changed. Redraw the screen, calling the draw functions. """ if not self.IsShownOnScreen(): # Cannot realise a GL context on OS X if window is not yet shown return # create device context (needed on Windows, noop on X) dc = None if event.GetEventObject(): # Only create DC if paint triggered by WM message (for OS X) dc = wx.PaintDC(self) self.lock() self.SetCurrent(self._gl_ctx) # Real the explicit GL context # check if gl was initialized if not self._gl_init_flag: GL.glClearColor(*BACKGROUND_COLOR_SPEC) for fcn in self._init_fcns: fcn() self._gl_init_flag = True # check for a change in window size if self._resized_flag: self.width, self.height = self.GetSize() GL.glMatrixMode(GL.GL_PROJECTION) GL.glLoadIdentity() GL.glOrtho(0, self.width, self.height, 0, 1, 0) GL.glMatrixMode(GL.GL_MODELVIEW) GL.glLoadIdentity() GL.glViewport(0, 0, self.width, self.height) for cache in self._gl_caches: cache.changed(True) self._resized_flag = False # clear buffer if needed if self.clear_accum or not self.use_persistence: GL.glClear(GL.GL_COLOR_BUFFER_BIT) self.clear_accum=False # apply fading if self.use_persistence: GL.glEnable(GL.GL_BLEND) GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA) GL.glBegin(GL.GL_QUADS) GL.glColor4f(1,1,1,self.persist_alpha) GL.glVertex2f(0, self.height) GL.glVertex2f(self.width, self.height) GL.glVertex2f(self.width, 0) GL.glVertex2f(0, 0) GL.glEnd() GL.glDisable(GL.GL_BLEND) # draw functions for fcn in self._draw_fcns: fcn[1]() # show result self.SwapBuffers() self.unlock()
def render():
global shaderProgram
global VAO
global EBO
global indexData
GL.glClearColor(0, 0, 0, 1)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
# active shader program
GL.glUseProgram(shaderProgram)
try:
GL.glBindVertexArray(VAO)
# Draw a triangle
# GL.glDrawArrays(GL.GL_TRIANGLES, 0, 3)
# draw triangle, starting index of the vertex array, # of vertices (6 = indexData.size),
GL.glDrawElements(GL.GL_TRIANGLES, indexData.size, GL.GL_UNSIGNED_INT, None)
finally:
# Unbind when we finish
GL.glBindVertexArray(0)
GL.glUseProgram(0)
def display():
global offsetUniform, theProgram
GL.glClearColor(0.0, 0.0, 0.0, 0.0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
GL.glUseProgram(theProgram)
GL.glUniform2f(offsetUniform, 0.5, 0.5)
colorData = sizeOfFloat*len(vertexData)/2
GL.glBindBuffer(GL.GL_ARRAY_BUFFER, vertexBufferObject)
positionLocation = GL.glGetAttribLocation(theProgram, 'position')
colorLocation = GL.glGetAttribLocation(theProgram, 'color')
GL.glEnableVertexAttribArray(positionLocation)
GL.glVertexAttribPointer(positionLocation,
4,
GL.GL_FLOAT, False, 0, null)
GL.glEnableVertexAttribArray(colorLocation)
GL.glVertexAttribPointer(colorLocation,
4,
GL.GL_FLOAT, False, 0, c_void_p(colorData))
GL.glDrawArrays(GL.GL_TRIANGLES, 0, 36)
GL.glDisableVertexAttribArray(positionLocation)
GL.glDisableVertexAttribArray(colorLocation)
GL.glUseProgram(0)
def initializeGL(self):
"""
Create the graphic buffers and compile the shaders.
"""
# Create and bind a new VAO (Vertex Array Object).
self.vertex_array_object = gl.glGenVertexArrays(1)
gl.glBindVertexArray(self.vertex_array_object)
# Upload color values (one for each triangle vertex) in RGB format.
colBuf = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, colBuf)
col = np.array([1,0,0,0,1,0,0,0,1], dtype=np.float32)
gl.glBufferData(gl.GL_ARRAY_BUFFER, col, gl.GL_STATIC_DRAW)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE, 0, None)
gl.glEnableVertexAttribArray(0)
# Create and bind GPU buffer for vertex data.
self.vertexBuffer = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, self.vertexBuffer)
# Associate the vertex buffer with the "Layout 0" shader variable (look
# for "v_N" variable in vertex shader program).
gl.glVertexAttribPointer(1, 4, gl.GL_FLOAT, gl.GL_FALSE, 0, None)
gl.glEnableVertexAttribArray(1)
# Enable depth-sorting.
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LESS)
# Background color.
gl.glClearColor(0, 0, 0, 0)
# Compile- and install shader programs.
self.shaders = self.linkShaders('blog4.vs', 'blog4.fs')
gl.glUseProgram(self.shaders)
def main():
glut.glutInit(sys.argv)
glut.glutInitDisplayMode(glut.GLUT_DOUBLE | glut.GLUT_RGB | glut.GLUT_DEPTH)
glut.glutInitWindowSize(400,400)
glut.glutCreateWindow("teapot")
gl.glClearColor(0.,0.,0.,1.)
gl.glShadeModel(gl.GL_SMOOTH)
gl.glEnable(gl.GL_CULL_FACE)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_LIGHTING)
lightZeroPosition = [10.,4.,10.,1.]
lightZeroColor = [0.8,1.0,0.8,1.0] #green tinged
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, lightZeroPosition)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, lightZeroColor)
gl.glLightf(gl.GL_LIGHT0, gl.GL_CONSTANT_ATTENUATION, 0.1)
gl.glLightf(gl.GL_LIGHT0, gl.GL_LINEAR_ATTENUATION, 0.05)
gl.glEnable(gl.GL_LIGHT0)
glut.glutDisplayFunc(display)
gl.glMatrixMode(gl.GL_PROJECTION)
glu.gluPerspective(40.,1.,1.,40.)
gl.glMatrixMode(gl.GL_MODELVIEW)
glu.gluLookAt(0,0,10,
0,0,0,
0,1,0)
gl.glPushMatrix()
glut.glutMainLoop()
return
def initgl(self):
"""Initialize OpenGL for use in the window."""
import OpenGL.GL as gl
import OpenGL.GLU as glu
self.load_textures()
gl.glEnable(gl.GL_TEXTURE_2D)
gl.glClearColor(0.0, 0.0, 0.0, 0.0)
# This Will Clear The Background Color To Black
gl.glClearDepth(
1.0) # Enables Clearing Of The Depth Buffer
gl.glDepthFunc(
gl.GL_LESS) # The Type Of Depth Test To Do
gl.glEnable(gl.GL_DEPTH_TEST) # Enables Depth Testing
gl.glShadeModel(
gl.GL_SMOOTH) # Enables Smooth Color Shading
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity() # Reset The Projection Matrix
# Calculate The Aspect Ratio Of The Window
(width, height) = self.canvas.GetClientSize()
glu.gluPerspective(45.0, float(width) / float(height), 0.1, 100.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLightfv(gl.GL_LIGHT0, gl.GL_AMBIENT, (0.5, 0.5, 0.5,
1.0)) # Setup The Ambient Light
gl.glLightfv(gl.GL_LIGHT0, gl.GL_DIFFUSE, (1.0, 1.0, 1.0,
1.0)) # Setup The Diffuse Light
gl.glLightfv(gl.GL_LIGHT0, gl.GL_POSITION, (0.0, 0.0, 2.0,
1.0)) # Position The Light
gl.glEnable(gl.GL_LIGHT0)
def main(self):
self.location = np.array([0.0,0.0,1500.0])
self.focus = np.array([0.0,0.0,0.0])
self.up = np.array([1.0,0.0,0.0])
self.mousex = 0
self.mousey = 0
self.mouse_drag = gl.GL_FALSE
# Wire up GL
glut.glutInit(sys.argv)
glut.glutInitDisplayMode(glut.GLUT_RGB | glut.GLUT_DOUBLE | glut.GLUT_DEPTH)
glut.glutInitWindowSize(500,500)
glut.glutInitWindowPosition(10,10)
glut.glutCreateWindow("Laspy+OpenGL Pointcloud")
glut.glutDisplayFunc(self.display)
glut.glutReshapeFunc(self.reshape)
glut.glutMouseFunc(self.mouse)
glut.glutMotionFunc(self.mouse_motion)
glut.glutKeyboardFunc(self.keyboard)
gl.glClearColor(0.0,0.0,0.0,1.0)
glut.glutTimerFunc(10,self.timerEvent,1)
glut.glutMainLoop()
return 0
def drawBackground(self, painter, rect) : super(BlobViewScene, self).drawBackground(painter,rect) height = float(painter.device().height()) width = float(painter.device().width()) painter.beginNativePainting() self.setStates() GL.glClearColor(0.0, 0.0, 0.0, 0.0) GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT) GL.glMatrixMode(GL.GL_PROJECTION) GLU.gluPerspective(60.0, width / height, 0.01, 450.0); GLU.gluLookAt(-self._distance,0,0,0,0,0,0,0,1); GL.glMatrixMode(GL.GL_MODELVIEW); view = QtGui.QMatrix4x4() view.rotate(self._trackballs[2].rotation()) # view = np.array(list(view.data())).reshape((4,4)) # view[2, 3] -= 2.0 * math.exp(self._distance / 1200.0) # view = QtGui.QMatrix4x4(*view.reshape((16,))) GL.glLoadMatrixf(view.data()) self.drawAxis() # self.drawPoints() self.drawSphere() self.setDefaultState() painter.endNativePainting() self._frame+=1
def drawBackground(self, painter, rect):
if not painter.paintEngine().type() == QtGui.QPaintEngine.OpenGL2:
print painter.paintEngine().type()
QtCore.qWarning('OpenGLScene: drawBackground needs a QGLWidget '\
+'to be set as viewport on the '\
+'graphics view')
return
painter.beginNativePainting()
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPushMatrix()
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glPushMatrix()
GL.glClearColor(1.0,1.0,1.0,1.0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
# OpenGL stuff goes here...
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glPopMatrix()
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPopMatrix()
painter.endNativePainting()
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc.
"""
# background color
gl.glClearColor(0,0,0,0)
# create a Vertex Buffer Object with the specified data
self.vbo = glvbo.VBO(self.data)
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc."""
# First check for supported GL version
gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
if gl_version < 3.3:
return
# background color
gl.glClearColor(0, 0, 0, 0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
# self.mcp_data = mcpUBO()
self.globaldata = ndUBO()
self.mcp_col_shader = BlueSkyProgram('mcp.vert', 'color.frag')
self.mcp_tex_shader = BlueSkyProgram('mcp.vert', 'texture.frag')
self.mcp_txt_shader = BlueSkyProgram('mcp_text.vert', 'mcp_text.frag')
self.color_shader = BlueSkyProgram('normal.vert', 'color.frag')
self.text_shader = BlueSkyProgram('text.vert', 'text.frag')
self.text_shader.bind_uniform_buffer('global_data', self.globaldata)
self.create_objects()
self.update_lcd()
def glInit(): OGLUT.glutInit() # initialize the GLUT library. OGLUT.glutInitDisplayMode(OGLUT.GLUT_DOUBLE | OGLUT.GLUT_RGB |OGLUT.GLUT_DEPTH) # initial display mode OGL.glShadeModel(OGL.GL_SMOOTH) # Enable Smooth Shading OGL.glClearColor(0.0, 0.0, 0.0, 0.0) # Black Background OGL.glClearDepth(1.0) # Depth Buffer Setup OGL.glEnable(OGL.GL_DEPTH_TEST) # Enables Depth Testing OGL.glDepthFunc(OGL.GL_LEQUAL) # The Type Of Depth Testing To Do OGL.glHint(OGL.GL_PERSPECTIVE_CORRECTION_HINT, OGL.GL_NICEST) # Really Nice Perspective Calculations objCamera.Position_Camera(10, 4, 12, 9, 4, 12, 0, 1, 0) # Set Camera Position LoadVertices() OGL.glViewport(0,0,SCREEN_SIZE[0],SCREEN_SIZE[1]) # Reset The Current Viewport OGL.glMatrixMode(OGL.GL_PROJECTION) OGL.glLoadIdentity() # Calculate The Aspect Ratio Of The Window OGLU.gluPerspective(45.0, SCREEN_SIZE[0]/SCREEN_SIZE[1], 0.1, 100.0) OGL.glMatrixMode(OGL.GL_MODELVIEW) OGL.glCullFace(OGL.GL_BACK) # Don't draw the back sides of polygons OGL.glEnable(OGL.GL_CULL_FACE) # Turn on culling
def paintEvent(self, event):
self.makeCurrent()
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPushMatrix()
GL.glShadeModel(GL.GL_SMOOTH) # for gradient rendering
# GL.glDepthFunc(GL.GL_LESS) # The Type Of Depth Test To Do
GL.glDisable(GL.GL_DEPTH_TEST) # we do 2D, we need no depth test !
GL.glMatrixMode(GL.GL_PROJECTION)
# GL.glEnable(GL.GL_CULL_FACE)
# Clear The Screen And The Depth Buffer
GL.glClearColor(1, 1, 1, 0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT) # | GL.GL_DEPTH_BUFFER_BIT)
# Reset The View
self.setupViewport(self.width(), self.height())
self.drawBackground()
self.drawGrid()
self.drawDataQuads()
self.drawRuler()
self.drawBorder()
# revert our changes for cooperation with QPainter
GL.glShadeModel(GL.GL_FLAT)
GL.glEnable(GL.GL_DEPTH_TEST)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPopMatrix()
painter = QtGui.QPainter(self)
self.drawTrackerText(painter)
painter.end()
def main():
global vertices2
global vertices
pygame.init()
screen = pygame.display.set_mode((512, 512),
pygame.OPENGL | pygame.DOUBLEBUF)
GL.glClearColor(0.5, 0.5, 0.5, 1.0)
GL.glEnable(GL.GL_DEPTH_TEST)
shader = OpenGL.GL.shaders.compileProgram(
OpenGL.GL.shaders.compileShader(vertex_shader, GL.GL_VERTEX_SHADER),
OpenGL.GL.shaders.compileShader(fragment_shader,
GL.GL_FRAGMENT_SHADER))
shader2 = OpenGL.GL.shaders.compileProgram(
OpenGL.GL.shaders.compileShader(vertex_shader, GL.GL_VERTEX_SHADER),
OpenGL.GL.shaders.compileShader(fragment_shader2,
GL.GL_FRAGMENT_SHADER))
shaders = []
shaders.append(shader)
shaders.append(shader2)
clock = pygame.time.Clock()
while True:
vertex_array_object = []
vertex_array_object.append(create_object(shader, vertices))
vertex_array_object.append(create_object(shader2, vertices2))
for event in pygame.event.get():
if event.type == pygame.QUIT:
return
if event.type == pygame.KEYUP and event.key == pygame.K_ESCAPE:
return
display(shaders, vertex_array_object)
# vertices[0] += 0.001
# vertices2[4] -= 0.001
pygame.display.flip()
def init(self):
r,g,b,a=self.clear_color
gl.glClearColor (r,g,b,a)
gl.glEnable(self.enab_depth)
gl.glShadeModel (self.shade_model)
near,far=self.depth_range
gl.glDepthRange(near,far) #default z mapping
gl.glEnable(self.enab_light)
gl.glEnable(self.enab_light0)
#gl.glLightModeli(self.light_model,self.light_model_value)
#gl.glLightModelfv(self.light_model,self.light_model_value)
gl.glLightfv(self.enab_light0,gl.GL_POSITION, self.light0_position)
gl.glLightfv(self.enab_light0,gl.GL_AMBIENT, self.light0_ambient)
gl.glLightfv(self.enab_light0,gl.GL_DIFFUSE, self.light0_diffuse)
gl.glLightfv(self.enab_light0,gl.GL_SPECULAR,self.light0_specular)
#Load objects
#self.objects()
#!global plot
#!plot=plots.Plot()
self.plot.init()
def __init__(self, width=1024, height=1024):
from OpenGL import EGL
self.EGL = EGL
self.display = EGL.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY)
major = np.zeros(1, "i4")
minor = np.zeros(1, "i4")
EGL.eglInitialize(self.display, major, minor)
num_configs = np.zeros(1, "i4")
config = EGL.EGLConfig()
# Now we create our necessary bits.
config_attribs = np.array([
EGL.EGL_SURFACE_TYPE, EGL.EGL_PBUFFER_BIT,
EGL.EGL_BLUE_SIZE, 8,
EGL.EGL_GREEN_SIZE, 8,
EGL.EGL_RED_SIZE, 8,
EGL.EGL_DEPTH_SIZE, 8,
EGL.EGL_RENDERABLE_TYPE,
EGL.EGL_OPENGL_BIT,
EGL.EGL_NONE,
], dtype="i4")
self.config = EGL.eglChooseConfig(self.display, config_attribs, config, 1,
num_configs)
pbuffer_attribs = np.array([
EGL.EGL_WIDTH, width,
EGL.EGL_HEIGHT, height,
EGL.EGL_NONE
], dtype="i4")
self.surface = EGL.eglCreatePbufferSurface(self.display, self.config,
pbuffer_attribs)
EGL.eglBindAPI(EGL.EGL_OPENGL_API)
self.context = EGL.eglCreateContext(self.display, self.config,
EGL.EGL_NO_CONTEXT, None)
EGL.eglMakeCurrent(self.display, self.surface, self.surface,
self.context)
GL.glClearColor(0.0, 0.0, 0.0, 0.0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
def imgDraw3d(list_obj, winsize=(400, 300)):
"""
draw the input object into Numpy uint8 array
obj -- the object to draw
winsize -- the size of the window
"""
####
#### initialize window
window = WindowGLFW(1.0, winsize=winsize, isVisible=False)
#### set camera
aabb3 = AABB3()
for obj in list_obj:
aabb3.add_minmax_xyz(obj.minmax_xyz())
window.wm.camera.adjust_scale_trans(aabb3.list_xyz())
#### initialize opengl
setSomeLighting()
gl.glEnable(gl.GL_POLYGON_OFFSET_FILL)
gl.glPolygonOffset(1.1, 4.0)
#### draw
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
window.wm.camera.set_gl_camera()
for obj in list_obj:
obj.draw()
gl.glFlush()
#### read pixel to img
gl.glPixelStorei(gl.GL_PACK_ALIGNMENT, 1)
(buff_w, buff_h) = gl.glGetIntegerv(gl.GL_VIEWPORT)[2:]
bytes_img = gl.glReadPixels(0, 0, buff_w, buff_h, gl.GL_RGB,
gl.GL_UNSIGNED_BYTE)
img = numpy.frombuffer(bytes_img, dtype=numpy.uint8)
#### terminate window
glfw.destroy_window(window.win)
glfw.terminate()
#### reshape the img array
img = numpy.reshape(img, (buff_h, buff_w, 3))
return img
def paintGL(self):
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
GL.glLoadIdentity()
GL.glTranslated(0.0, 0.0, -10.0)
GL.glRotated(self.xRot / 16.0, 1.0, 0.0, 0.0)
GL.glRotated(self.yRot / 16.0, 0.0, 1.0, 0.0)
GL.glRotated(self.zRot / 16.0, 0.0, 0.0, 1.0)
# draw Objects
GL.glPushMatrix() # Protect our matrix
w = self.winfo_width()
h = self.winfo_height()
GL.glViewport(0, 0, w, h)
# Clear the background and depth buffer.
GL.glClearColor(self.r_back, self.g_back, self.b_back, 0.)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GLU.gluPerspective(self.fovy, float(w) / float(h), self.near, self.far)
if 0:
# Now translate the scene origin away from the world origin
GL.glMatrixMode(GL.GL_MODELVIEW)
mat = GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX)
GL.glLoadIdentity()
GL.glTranslatef(-self.xcenter, -self.ycenter,
-(self.zcenter + self.distance))
GL.glMultMatrixd(mat)
else:
GLU.gluLookAt(self.xcenter, self.ycenter,
self.zcenter + self.distance, self.xcenter,
self.ycenter, self.zcenter, 0., 1., 0.)
GL.glMatrixMode(GL.GL_MODELVIEW)
# Call objects redraw method.
self.drawObjects()
GL.glFlush() # Tidy up
GL.glPopMatrix() # Restore the matrix
def initializeGL(self): glEnable(GL_LIGHTING) glEnable(GL_LIGHT0) #glEnable(GL_LIGHT1) glEnable(GL_DEPTH_TEST) glLightfv(GL_LIGHT0, GL_AMBIENT, [0.0, 0.0, 0.0, 1.0]) glLightfv(GL_LIGHT0, GL_DIFFUSE, [1.0,1.0,1.0, 1.0]) glLightfv(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0]) glLightfv(GL_LIGHT0, GL_POSITION, [0.1,.1,1.,0.]) glLightfv(GL_LIGHT1, GL_AMBIENT, [0.0, 0.0, 0.0, 1.0]) glLightfv(GL_LIGHT1, GL_DIFFUSE, [0.5,0.5,0.5, 1.0]) glLightfv(GL_LIGHT1, GL_SPECULAR, [0.0, 0.0, 0.0, 1.0]) glLightfv(GL_LIGHT1, GL_POSITION, [0,0,1,1]) # set the is self.radius when it's known glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, [0,0,-1]) glLightfv(GL_LIGHT1, GL_QUADRATIC_ATTENUATION,0.0037) glLightfv(GL_LIGHT2, GL_AMBIENT, [0.0, 0.0, 0.0, 1.0]) glLightfv(GL_LIGHT2, GL_DIFFUSE, [0.5,0.5,0.5, 1.0]) glLightfv(GL_LIGHT2, GL_SPECULAR, [0.0, 1.0, 0.0, 1.0]) glLightfv(GL_LIGHT2, GL_POSITION, [0.1,.1,1.,0.]) glLightfv(GL_LIGHT3, GL_AMBIENT, [0.0, 0.0, 0.0, 1.0]) glLightfv(GL_LIGHT3, GL_DIFFUSE, [0.5,0.5,0.5, 1.0]) glLightfv(GL_LIGHT3, GL_SPECULAR, [0.0, 1.0, 0.0, 1.0]) glLightfv(GL_LIGHT3, GL_POSITION, [0.1,.1,1.,0.]) #GL_SPOT_DIRECTION,GL_SPOT_CUTOFF,GL_QUADRATIC_ATTENUATION GL.glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST) glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER,GL_TRUE) glShadeModel(GL_SMOOTH) #glLightModelfv(GL_LIGHT_MODEL_AMBIENT, [0.1,0.1,0.1,1.0]); glClearStencil(0) glEnable(GL_STENCIL_TEST) GL.glClearColor(0,0,0,0) glEnable(GL_NORMALIZE)
def main():
pygame.init()
screen = pygame.display.set_mode(res, pygame.OPENGL|pygame.DOUBLEBUF)
pygame.display.set_caption("data renderer")
print(GL.glGetString(GL.GL_VERSION))
GL.glClearColor(0.5, 0.5, 0.5, 1.0)
GL.glEnable(GL.GL_DEPTH_TEST)
shader = OpenGL.GL.shaders.compileProgram(
OpenGL.GL.shaders.compileShader(vertex_shader, GL.GL_VERTEX_SHADER),
OpenGL.GL.shaders.compileShader(fragment_shader, GL.GL_FRAGMENT_SHADER)
)
vertex_array_object = create_vertex_array_object(gVertices, gColors)
line_vbos = create_axes_vbo(Vector3.from_floats(-3.0, -3.0, -3.0), Vector3.from_floats(3.0, 3.0, 3.0))
clock = pygame.time.Clock()
global view
view = Matrix44().translation(0.0, 0.0, -5.0)
global proj
proj = Matrix44.perspective_projection_fov(math.pi / 2, res[0] / float(res[1]), 0.1, 100.0)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
return
if event.type == pygame.KEYUP and event.key == pygame.K_ESCAPE:
return
clock.tick()
simtime = pygame.time.get_ticks() * 0.001
handle_arcball()
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
display(shader, vertex_array_object, simtime, GL.GL_POINTS, int(len(gVertices) / 3))
display(shader, line_vbos[0], simtime, GL.GL_LINES, 2)
display(shader, line_vbos[1], simtime, GL.GL_LINES, 2)
display(shader, line_vbos[2], simtime, GL.GL_LINES, 2)
pygame.display.flip()
def on_display( ):
global shader
gl.glClearColor(1,1,1,1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
radius = 255.0
theta, dtheta = 0, 5.5/180.0*math.pi
support = 0.75
thickness = 1.0
shader.bind()
shader.uniformf('support', support)
shader.uniformf('thickness', thickness)
for i in range(500):
xc = 256+radius*math.cos(theta);
yc = 32+256+radius*math.sin(theta);
r = 10.1 + thickness/2.0 + 1.25*support - i*0.02
P = [(xc+cos(t+theta)*r, yc+sin(t+theta)*r)
for t in np.linspace(0,2*np.pi,6,endpoint=False)]
polygon(np.array(P).reshape(6,2), thickness, support)
radius -= 0.45
theta += dtheta
for i in range(0,39):
thickness = (i+1)/10.0
shader.uniformf('thickness', thickness)
r = 4 + max(thickness,1.0)/2 + 1.25*support
xc = 20+i*12.5 - r
yc = 16
P = [(xc+cos(t)*r, yc+sin(t)*r)
for t in np.linspace(0,2*np.pi,6,endpoint=False)]
polygon(np.array(P).reshape(6,2), thickness, support)
shader.unbind()
glut.glutSwapBuffers()
def initializeGL(self):
# background color
gl.glClearColor(0, 0, 0, 0)
# setup textures (walls background without points/meat and with points/meat
self.texture_0 = self.read_texture("Resources/pacman1.jpg")
self.texture_1 = self.read_texture("Resources/pacman2.jpg")
self.texture_ghost = []
texId = self.read_texture("Resources/ghost_red.jpg")
self.texture_ghost.append(texId)
texId = self.read_texture("Resources/ghost_pink.jpg")
self.texture_ghost.append(texId)
texId = self.read_texture("Resources/ghost_green.jpg")
self.texture_ghost.append(texId)
texId = self.read_texture("Resources/ghost_orange.jpg")
self.texture_ghost.append(texId)
texId = self.read_texture("Resources/ghost_blue.jpg")
self.texture_ghost.append(texId)
self.gpos_x0 = [-1.02, 0.98, -1.2, 1.2, 0.0]
self.gpos_y0 = [3.26, 3.26, 1.0, 1.0, 1.0]
self.gpos_x = list(self.gpos_x0)
self.gpos_y = list(self.gpos_y0)
self.pos_x = self.pos_x0
self.pos_y = self.pos_y0
self.prevKeyGhost.append(QtCore.Qt.Key_Left)
self.prevKeyGhost.append(QtCore.Qt.Key_Right)
self.prevKeyGhost.append(QtCore.Qt.Key_Left)
self.prevKeyGhost.append(QtCore.Qt.Key_Right)
self.prevKeyGhost.append(QtCore.Qt.Key_Left)
# create a Vertex Buffer Object with the specified data
self.vbo = []
for i in range(0, self.nums):
self.vbo.append(glvbo.VBO(self.data[i]))
self.drawScore()
self.drawLives()
self.drawTitle()
def cloud_for_vis(img,depth):
index_matrix_2[:,2] = np.reshape(depth,(480*640))
points_in_cam_frame = index_matrix_2
#point_in_cam_frame = np.transpose(depth*index_matrix_2) # 3x480*640
points_in_world = np.matmul(camera_matrix_inv,points_in_cam_frame.T) # 3x480*640
points_in_world = np.transpose(points_in_world) # 480*640x3
points_colours = np.reshape(img,(480*640,3)) # RGB values for each point
"""fig = plt.figure()
ax = Axes3D(fig)
#ax.scatter([2,4,5,2],[3,4,2,1],[6,3,4,1])
ax.scatter(points_in_world[:,0],points_in_world[:,1],points_in_world[:,2])
plt.show()"""
pangolin.CreateWindowAndBind('Main', 640, 480)
gl.glEnable(gl.GL_DEPTH_TEST)
# Define Projection and initial ModelView matrix
scam = pangolin.OpenGlRenderState(pangolin.ProjectionMatrix(640, 480, 420, 420, 320, 240, 0.2, 100),pangolin.ModelViewLookAt(-2, 2, -2, 0, 0, 0, pangolin.AxisDirection.AxisY))
handler = pangolin.Handler3D(scam)
# Create Interactive View in window
dcam = pangolin.CreateDisplay()
dcam.SetBounds(0.0, 1.0, 0.0, 1.0, -640.0/480.0)
dcam.SetHandler(handler)
while not pangolin.ShouldQuit():
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glClearColor(1.0, 1.0, 1.0, 1.0)
dcam.Activate(scam)
# Render OpenGL Cube
#pangolin.glDrawColouredCube()
# Draw Point Cloud
points = points_in_world#np.random.random((100000, 3)) * 10
gl.glPointSize(2)
gl.glColor3f(1.0, 0.0, 0.0)
pangolin.DrawPoints(points)
pangolin.FinishFrame()
def __init__(self, width=640, height=480):
# version hints: create GL window with >= OpenGL 3.3 and core profile
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, GL.GL_TRUE)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.RESIZABLE, False)
self.win = glfw.create_window(width, height, 'Viewer', None, None)
# make win's OpenGL context current; no OpenGL calls can happen before
glfw.make_context_current(self.win)
# register event handlers
glfw.set_key_callback(self.win, self.on_key)
# useful message to check OpenGL renderer characteristics
print(
'OpenGL',
GL.glGetString(GL.GL_VERSION).decode() + ', GLSL',
GL.glGetString(GL.GL_SHADING_LANGUAGE_VERSION).decode() +
', Renderer',
GL.glGetString(GL.GL_RENDERER).decode())
# initialize GL by setting viewport and default render characteristics
GL.glClearColor(0.1, 0.1, 0.1, 0.1)
GL.glEnable(GL.GL_DEPTH_TEST) # depth test now enabled (TP2)
GL.glEnable(GL.GL_CULL_FACE) # backface culling enabled (TP2)
# compile and initialize shader programs once globally
self.color_shader = Shader(COLOR_VERT, COLOR_FRAG)
# initially empty list of object to draw
self.drawables = []
# initialize trackball
self.trackball = GLFWTrackball(self.win)
# cyclic iterator to easily toggle polygon rendering modes
self.fill_modes = cycle([GL.GL_LINE, GL.GL_POINT, GL.GL_FILL])
def main():
imgui.create_context()
window = impl_glfw_init()
impl = GlfwRenderer(window)
while not glfw.window_should_close(window):
glfw.poll_events()
impl.process_inputs()
imgui.new_frame()
if imgui.begin_main_menu_bar():
if imgui.begin_menu("File", True):
clicked_quit, selected_quit = imgui.menu_item(
"Quit", 'Cmd+Q', False, True
)
if clicked_quit:
exit(1)
imgui.end_menu()
imgui.end_main_menu_bar()
imgui.show_test_window()
imgui.begin("Custom window", True)
imgui.text("Bar")
imgui.text_colored("Eggs", 0.2, 1., 0.)
imgui.end()
gl.glClearColor(1., 1., 1., 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
imgui.render()
impl.render(imgui.get_draw_data())
glfw.swap_buffers(window)
impl.shutdown()
glfw.terminate()
def _pass_ssaa(self, tex, w, h, scale):
# Select Lanczos kernel based on scale.
aakernel = [
None,
None,
[
0.44031130485056913, 0.29880437751590694, 0.04535643028360444,
-0.06431646022479595
],
[
0.2797564513818748, 0.2310717037833796, 0.11797652759318597,
0.01107354293249700
],
][scale]
# Prepare for drawing texture to screen
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
shader = Shader(None, self._shader_code[0])
shader.bind()
shader.uniformf('shape', w, h) # resolution of previous pass
shader.uniformi('texture', 0)
if aakernel:
shader.uniformf('aakernel', *aakernel)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
shader.unbind()
tex.Disable()
def paintGL(self):
if self.quad_shader is None:
return # not yet initiliazed
self.clearErrors()
# Clear The Screen And The Depth Buffer
GL.glClearColor(1, 1, 1, 0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT) # | GL.GL_DEPTH_BUFFER_BIT)
shaders.glUseProgram(self.quad_shader)
if self.is_core:
# on OpenGL 3 core, create and bind a vertex array object (on non-core, there is one default VAO)
GL.glBindVertexArray(self.vao)
try:
self.setupViewport(self.width(), self.height())
self.drawBackground()
self.drawGrid()
self.drawGlData()
self.drawRuler()
self.drawBorder()
finally:
if self.is_core:
GL.glBindVertexArray(0)
shaders.glUseProgram(0)
painter = QtGui.QPainter(self)
self.drawTrackerText(painter)
self.drawFreqMaxText(painter)
painter.end()
if not self.paused:
# schedule a repaint !
self.update()
def main():
GLUT.glutInit(sys.argv)
GLUT.glutInitDisplayMode(GLUT.GLUT_SINGLE | GLUT.GLUT_RGBA
| GLUT.GLUT_DEPTH)
GLUT.glutInitWindowSize(400, 400)
GLUT.glutInitWindowPosition(200, 200)
GLUT.glutCreateWindow("Grafica 2")
GL.glDepthFunc(GL.GL_LEQUAL)
GL.glEnable(GL.GL_DEPTH_TEST)
GL.glClearDepth(1.0)
GL.glClearColor(0.650, 0.780, 0.8, 0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
#GL.glOrtho(-20, 20, -20, 20, -20, 20)
GL.glMatrixMode(GL.GL_MODELVIEW)
GLU.gluPerspective(100, 1.0, 1.0, 100.0)
GL.glTranslatef(0.0, 0.0, 0.0)
GLU.gluLookAt(10, 10, 10, 0, 0, 0, 0, 1, 0)
grid = GR.grid_gen()
grid.show()
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
grid.plot()
########################################
head.plot()
########################################
GL.glFlush()
GLUT.glutPostRedisplay()
GLUT.glutMainLoop()
def gtkgl_refresh_wrapper(self, *args, **kwargs):
prev_mode = GL.glGetIntegerv(GL.GL_MATRIX_MODE)
GL.glMatrixMode(GL.GL_MODELVIEW)
# clear the background with the configured color
bg_col = self.core.get("color_background")
GL.glClearColor(bg_col["red"], bg_col["green"], bg_col["blue"],
0.0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
result = func(self, *args, **kwargs)
self.camera.position_camera()
# adjust Light #2
v = self.camera.view
lightpos = (v["center"][0] + v["distance"][0],
v["center"][1] + v["distance"][1],
v["center"][2] + v["distance"][2])
GL.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, lightpos)
# trigger the visualization of all items
self.core.emit_event("visualize-items")
GL.glMatrixMode(prev_mode)
GL.glFlush()
self.area.get_gl_drawable().swap_buffers()
return result
def render(self, context):
self.shader.bind()
gl.glDisable(gl.GL_BLEND)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glClearDepth(1.0)
gl.glClearColor(*self.clearColor)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
view, projection = createDefaultMatrices(self.width, self.height,
context)
self.shader.uniformMatrix4f(shader.VIEW_MATRIX, view)
self.shader.uniformMatrix4f(shader.PROJ_MATRIX, projection)
self.setUniforms(self.shader, context.uniforms)
for tag, entry in self.models.items():
mesh = entry.mesh
entry.textureMap.bindTextures(self.shader)
self.shader.uniformMatrix4f(shader.WORLD_MATRIX, entry.matrix)
self.bindAttributeArray(self.shader, "inPosition", mesh.vertices,
3)
self.bindAttributeArray(self.shader, "inNormal", mesh.normals, 3)
self.bindAttributeArray(self.shader, "inUv", mesh.uvs, 2)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, len(mesh.vertices) // 3)
self.unbindAttributeArray(self.shader, "inPosition")
self.unbindAttributeArray(self.shader, "inNormal")
self.unbindAttributeArray(self.shader, "inUv")
entry.textureMap.unbindTextures()
gl.glEnable(gl.GL_BLEND)
gl.glDisable(gl.GL_DEPTH_TEST)
self.shader.unbind()
def main():
pygame.init()
size = 800, 600
pygame.display.set_mode(size, pygame.DOUBLEBUF | pygame.OPENGL | pygame.RESIZABLE)
imgui.create_context()
impl = PygameRenderer()
io = imgui.get_io()
io.display_size = size
while 1:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
impl.process_event(event)
imgui.new_frame()
if imgui.begin_main_menu_bar():
if imgui.begin_menu("File", True):
clicked_quit, selected_quit = imgui.menu_item("Quit", 'Alt+F4', False, True)
clicked_save, selected_save = imgui.menu_item("Save", "", False, True)
if clicked_save:
print("Saved...")
if clicked_quit:
exit(1)
imgui.end_menu()
imgui.end_main_menu_bar()
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
imgui.render()
impl.render(imgui.get_draw_data())
pygame.display.flip()
def initializeGL(self):
self.worldJoint = Joint(name='WorldJoint',
showAxis=True,
axisScale=0.7)
GL.glClearColor(0.0, 0.0, 0.0, 1.0)
# GL.glClearColor(1.0,1.0,1.0,1.0)
GL.glClearDepth(1)
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
GL.glEnable(GL.GL_BLEND) # enable blending
GL.glBlendFunc(GL.GL_SRC_ALPHA,
GL.GL_ONE_MINUS_SRC_ALPHA) # set blend function
GL.glEnable(GL.GL_DEPTH_TEST)
GL.glEnable(GL.GL_LIGHTING) # enable the lighting
# GL.glEnable(GL.GL_LIGHT0) #enable LIGHT0, our Diffuse Light
for light in self.lights:
light.updateOpenGl()
GL.glShadeModel(GL.GL_SMOOTH) # set the shader to smooth shader
GL.glEnable(GL.GL_NORMALIZE)
GL.glEnable(GL.GL_TEXTURE_2D)
vMin, vMax = self.getBoundingBox()
self.camera.setView(vMin, vMax, view='ortho1')
def viewer_refresh(self):
if self.state == None:
return
# turn state into points
ppts = np.array([d[:3, 3] for d in self.state[0]])
spts = np.array(self.state[1])
print(ppts)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glClearColor(1.0, 1.0, 1.0, 1.0)
self.dcam.Activate(self.scam)
gl.glPointSize(10)
gl.glColor3f(0.0, 1.0, 0.0)
pangolin.DrawPoints(ppts)
gl.glPointSize(2)
gl.glColor3f(0.0, 1.0, 0.0)
pangolin.DrawPoints(spts)
pangolin.FinishFrame()
def on_display():
global shader
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
gl.glColor(0, 0, 0, 1)
radius = 255.0
theta, dtheta = 0, 5.5 / 180.0 * math.pi
thickness = 1.0
support = .75
for i in range(500):
xc, yc = 256, 256 + 32
r = 10.1 - i * 0.02
x0 = xc + np.cos(theta + dtheta / 3) * radius * .925
y0 = yc + np.sin(theta + dtheta / 3) * radius * .925
x1 = xc + np.cos(theta - dtheta / 3) * radius * .925
y1 = yc + np.sin(theta - dtheta / 3) * radius * .925
x2 = xc + np.cos(theta) * radius * 1.00
y2 = yc + np.sin(theta) * radius * 1.00
triangle((x0, y0), (x1, y1), (x2, y2), thickness, support)
radius -= 0.45
theta += dtheta
for i in range(0, 39):
thickness = (i + 1) / 20.0
xc, yc = 20 + i * 12.5, 16
x0, y0 = xc - 5, yc - 5
x1, y1 = xc + 5, yc - 5
x2, y2 = xc, yc + 5
triangle((x0, y0), (x1, y1), (x2, y2), thickness, support)
glut.glutSwapBuffers()
def render():
global sampleTexture
global shaderProgram
global texUnitUniform
global VAO
global idxCnt
global rot
global projection
global translation
global view
global lightVec
GL.glClearColor(1, 1, 1, 1)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
GL.glUseProgram(shaderProgram)
try:
rotUniform = GL.glGetUniformLocation(shaderProgram, 'rot')
GL.glUniformMatrix4fv(rotUniform, 1, False, glm.value_ptr(rot))
projectionLoc = GL.glGetUniformLocation(shaderProgram, 'projection')
GL.glUniformMatrix4fv(projectionLoc, 1, False,
glm.value_ptr(projection))
translationLoc = GL.glGetUniformLocation(shaderProgram, 'translation')
GL.glUniformMatrix4fv(translationLoc, 1, False,
glm.value_ptr(translation))
viewLoc = GL.glGetUniformLocation(shaderProgram, 'view')
GL.glUniformMatrix4fv(viewLoc, 1, False, glm.value_ptr(view))
lightLoc = GL.glGetUniformLocation(shaderProgram, 'lightPos')
GL.glUniform3fv(lightLoc, 1, glm.value_ptr(lightVec))
# Activate texture
GL.glActiveTexture(GL.GL_TEXTURE0)
GL.glBindTexture(GL.GL_TEXTURE_3D, sampleTexture)
GL.glUniform1i(texUnitUniform, 0)
# Activate array
GL.glBindVertexArray(VAO)
GL.glDrawElements(GL.GL_TRIANGLES, idxCnt, GL.GL_UNSIGNED_INT, None)
finally:
GL.glBindVertexArray(0)
GL.glUseProgram(0)
def render(self, context):
self.shader.bind()
flipY = -1
projection = utils.createPerspectiveOrtho(-1.0, 1.0, 1.0 * flipY, -1.0 * flipY, -1.0, 1.0)
self.shader.uniformMatrix4f(shader.PROJECTION, projection)
self.shader.uniformf("imageSize", *self.getSize())
self.setUniforms(self.shader, context.uniforms)
self.textureMap.bindTextures(self.shader)
gl.glClearColor(*self.clearColor)
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
self.bindAttributeArray(self.shader, "inVertex", self.verts, 4)
gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, len(self.verts) // 4);
self.unbindAttributeArray(self.shader, "inVertex")
self.textureMap.unbindTextures()
self.shader.unbind()
def create_main_window():
if not glfw.init():
sys.exit(1)
try:
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
title = 'Tutorial 2: First Triangle'
window = glfw.create_window(500, 400, title, None, None)
if not window:
sys.exit(2)
glfw.make_context_current(window)
glfw.set_input_mode(window, glfw.STICKY_KEYS, True)
gl.glClearColor(0, 0, 0.4, 0)
yield window
finally:
glfw.terminate()
def main():
GLUT.glutInit(argv)
GLUT.glutInitDisplayMode(
GLUT.GLUT_DOUBLE | GLUT.GLUT_RGBA | GLUT.GLUT_DEPTH | GLUT.GLUT_MULTISAMPLE
)
screen_width = GLUT.glutGet(GLUT.GLUT_SCREEN_WIDTH)
screen_height = GLUT.glutGet(GLUT.GLUT_SCREEN_HEIGHT)
window_width = round(2 * screen_width / 3)
window_height = round(2 * screen_height / 3)
GLUT.glutInitWindowSize(window_width, window_height)
GLUT.glutInitWindowPosition(
round((screen_width - window_width) / 2), round((screen_height - window_height) / 2)
)
GLUT.glutCreateWindow(window_name)
GLUT.glutDisplayFunc(draw)
GLUT.glutSpecialFunc(special_key_pressed)
GLUT.glutKeyboardFunc(key_pressed)
GLUT.glutMouseFunc(mouse_click)
GLUT.glutMotionFunc(mouse_move)
GL.glEnable(GL.GL_MULTISAMPLE)
GL.glEnable(GL.GL_DEPTH_TEST)
GL.glClearColor(*background_color)
GLU.gluPerspective(-45, window_width / window_height, 0.1, 100.0)
GL.glTranslatef(0.0, 0.0, -10)
GLUT.glutTimerFunc(10, timer, 1)
GLUT.glutMainLoop()
def initializeGL(self):
glut.glutInit([])
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthMask(True)
gl.glDepthFunc(gl.GL_LEQUAL)
gl.glDepthRange(0.0, 1.0)
gl.glClearColor(0, 0, 0, 0)
gl.glClearDepth(1.0)
gl.glShadeModel(gl.GL_SMOOTH)
if self._light:
gl.glLight(gl.GL_LIGHT0, gl.GL_AMBIENT, [0.9, 0.9, 0.9, 1])
gl.glLight(gl.GL_LIGHT0, gl.GL_DIFFUSE, [1, 1, 1, 1])
gl.glLight(gl.GL_LIGHT0, gl.GL_SPECULAR, [1, 1, 1, 1])
gl.glLight(gl.GL_LIGHT0, gl.GL_POSITION, [1, 1, 0, 0])
gl.glEnable(gl.GL_NORMALIZE)
gl.glEnable(gl.GL_LIGHTING)
gl.glEnable(gl.GL_LIGHT0)
gl.glEnable(gl.GL_COLOR_MATERIAL)
gl.glColorMaterial(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT_AND_DIFFUSE)
gl.glMaterial(gl.GL_FRONT_AND_BACK, gl.GL_SPECULAR, [1, 1, 1, 1])
gl.glMaterial(gl.GL_FRONT_AND_BACK, gl.GL_EMISSION, [0, 0, 0, 1])
gl.glMaterial(gl.GL_FRONT_AND_BACK, gl.GL_SHININESS, 10)
gl.glLineWidth(self._linew)
if self._multisample:
gl.glEnable(gl.GL_MULTISAMPLE)
if self._smooth == 1:
gl.glEnable(gl.GL_POINT_SMOOTH)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_POLYGON_SMOOTH)
gl.glHint(gl.GL_POINT_SMOOTH_HINT, gl.GL_FASTEST)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_FASTEST)
gl.glHint(gl.GL_POLYGON_SMOOTH_HINT, gl.GL_FASTEST)
if self._smooth == 2:
gl.glEnable(gl.GL_POINT_SMOOTH)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_POLYGON_SMOOTH)
gl.glHint(gl.GL_POINT_SMOOTH_HINT, gl.GL_NICEST)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glHint(gl.GL_POLYGON_SMOOTH_HINT, gl.GL_NICEST)
def viewer_refresh(self, q):
if self.state is None or not q.empty():
self.state = q.get()
# turn state into points
#ppts = np.array([d[:3, 3] for d in self.state[0]])
spts = np.array(self.state[1])
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glClearColor(1.0, 1.0, 1.0, 1.0)
self.dcam.Activate(self.scam)
# draw poses
gl.glColor3f(0.0, 1.0, 0.0)
pangolin.DrawCameras(self.state[0])
#draw keypoints
gl.glPointSize(2)
gl.glColor3f(1.0, 0.0, 0.0)
pangolin.DrawPoints(spts)
pangolin.FinishFrame()
def main():
# glfwの初期化
if not glfw.init():
raise RuntimeError('Could not initialize GLFW3')
# OpenGLのバージョンを指定（この授業では古いOpenGLを使います）
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 2)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 1)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_ANY_PROFILE)
# 窓を作る
window = glfw.create_window(300, 300, 'Program', None,
None) # 窓を作る(幅と高さ，タイトルを指定)
if not window: # 窓が作れなかった時の処理
glfw.terminate()
raise RuntimeError('Could not create an window')
glfw.make_context_current(window)
# OpenGLの情報を表示
print('Vendor :', gl.glGetString(gl.GL_VENDOR))
print('GPU :', gl.glGetString(gl.GL_RENDERER))
print('OpenGL version :', gl.glGetString(gl.GL_VERSION))
gl.glClearColor(1.0, 1.0, 1.0, 1.0) # 初期化した時のバッファの色（背景色）の設定
gl.glEnable(gl.GL_DEPTH_TEST) # Z-バッファ法による隠面消去を有効にする
time = 0.0
while not glfw.window_should_close(window): # main loop
time += 0.01
gl.glClear(gl.GL_COLOR_BUFFER_BIT
| gl.GL_DEPTH_BUFFER_BIT) # 描画用のバッファを背景色で塗りつぶす
display(time) # 描画用のバッファに描画する
glfw.swap_buffers(window) # 描画用のバッファと，表示用のバッファを入れ替えて画面を更新
glfw.poll_events() # イベントの受けつけ
glfw.terminate()
def displayfunc_gles2(display, surface, ctx):
from OpenGL import GLES2 as GL
from OpenGL.GLES2 import shaders
eglMakeCurrent( display, surface, surface, ctx )
GL.glClearColor( 1,0,0, 0 )
GL.glClear( GL.GL_COLOR_BUFFER_BIT|GL.GL_DEPTH_BUFFER_BIT )
global shader,vbo,position_location,stride
if shader is None:
shader = shaders.compileProgram(
shaders.compileShader( '''#version 130
attribute vec3 position;
void main() {
gl_Position = vec4( position, 0 );
}''', type=GL_VERTEX_SHADER),
shaders.compileShader( '''#version 130
void main() {
gl_FragColor = vec4( 1,0,0,0 );
}''', type=GL_FRAGMENT_SHADER),
)
vbo = VBO( array([
(0,1,0),
(1,-1,0),
(-1,-1,0),
],dtype='f'))
position_location = GL.glGetAttribLocation(
self.shader, 'position'
)
stride = 3*4
with vbo:
with shader:
GL.glEnableVertexAttribArray( position_location )
stride = 3*4
GL.glVertexAttribPointer(
position_location,
3, GL_FLOAT,False, stride, self.vbo
)
GL.glDrawArrays( GL.GL_TRIANGLES, 0, 3 )
eglSwapBuffers( display, surface )
def draw(self):
q = self.q
self.draw_init()
while not pangolin.ShouldQuit():
try:
while not q.empty():
state = q.get()
if state is not None:
self.cams.append(state[0])
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glClearColor(1.0, 1.0, 1.0, 1.0)
self.dcam.Activate(self.scam)
# Draw cam
gl.glLineWidth(2)
gl.glColor3f(0.0, 1.0, 0.0)
# pangolin.DrawCamera(state[0], 0.5, 0.75, 0.8)
pangolin.DrawCameras(self.cams)
pangolin.FinishFrame()
except:
continue
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc."""
# background color
gl.glClearColor(0.8, 0.8, 0.8, 0)
# Make initial data array.
# compile the vertex shader
vs = compile_shader(VERTEX, gl.GL_VERTEX_SHADER)
# compile the geometry shader
gs = compile_shader(GEOMETRY, gl.GL_GEOMETRY_SHADER)
# compile the fragment shader
fs = compile_shader(FRAGMENT, gl.GL_FRAGMENT_SHADER)
# Link the programs.
self.render_program = link_shaders(vs, gs, fs)
# Compile the compute shader
cs = compile_shader(COMPUTE, gl.GL_COMPUTE_SHADER)
# Create the compute shader buffers.
self.makeBuffers()
#self.vbo = glvbo.VBO(self.attributes)
self.vbo = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, self.vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, self.attributes.nbytes,
self.attributes, gl.GL_DYNAMIC_COPY)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, 0)
self.ssbo = gl.glGenBuffers(1)
gl.glBindBufferBase(gl.GL_SHADER_STORAGE_BUFFER, 1, self.ssbo)
gl.glBufferData(gl.GL_SHADER_STORAGE_BUFFER, self.velocities.nbytes,
self.velocities, gl.GL_DYNAMIC_COPY)
self.compute_program = link_shaders(cs)