本文整理汇总了Python中pyglet.gl.glOrtho函数的典型用法代码示例。如果您正苦于以下问题：Python glOrtho函数的具体用法？Python glOrtho怎么用？Python glOrtho使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了glOrtho函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: set_viewport
def set_viewport(left, right, bottom, top):
"""
This sets what coordinates appear on the window.
Note: It is recommended to only set the viewport to integer values that
line up with the pixels on the screen. Otherwise if making a tiled game
the blocks may not line up well, creating rectangle artifacts.
>>> import arcade
>>> arcade.open_window("Drawing Example", 800, 600)
>>> set_viewport(-1, 1, -1, 1)
>>> arcade.quick_run(0.25)
"""
global _left
global _right
global _bottom
global _top
_left = left
_right = right
_bottom = bottom
_top = top
# GL.glViewport(0, 0, _window.height, _window.height)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GL.glOrtho(_left, _right, _bottom, _top, -1, 1)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()示例2: on_resize
def on_resize(width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(-width/2, width/2, -height/2, height/2, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
return EVENT_HANDLED示例3: on_resize
def on_resize(self, width, height):
"""Calculate the new viewport preserving aspect ratio"""
aspect = float(WIDTH)/HEIGHT
self.viewport_width = int(min(width, height*aspect))
self.viewport_height = int(min(height, width/aspect))
self.viewport_x_offs = (width-self.viewport_width) // 2
self.viewport_y_offs = (height-self.viewport_height) // 2
x = (width-WIDTH) / 2
gl.glViewport(self.viewport_x_offs,
self.viewport_y_offs,
self.viewport_width,
self.viewport_height,
)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, self.viewport_width, 0, self.viewport_height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
logging.debug("Viewport: %s, %s, %s, %s" % (self.viewport_x_offs,
self.viewport_y_offs,
self.viewport_width,
self.viewport_height,
))
# adjust elements depending on the new viewport
self.label.x = self.viewport_width // 2
self.label.y = self.viewport_height // 2示例4: on_resize
def on_resize(self, width, height):
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0, width, 0, height, -1000, 1000)
glMatrixMode(GL_MODELVIEW)
return pyglet.event.EVENT_HANDLED示例5: on_draw
def on_draw():
gl.glClearColor(1.0,1.0,1.0,1.0)
window.clear()
# Compute
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, 1, 0, 1, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glActiveTexture( gl.GL_TEXTURE1 )
gl.glBindTexture(texture_s.target, texture_s.id)
gl.glActiveTexture( gl.GL_TEXTURE0 )
gl.glBindTexture(texture_uv.target, texture_uv.id)
gl.glBindFramebufferEXT(gl.GL_FRAMEBUFFER_EXT, framebuffer)
reaction_shader.bind()
texture_uv.blit(x=0.0, y=0.0, width=1.0, height=1.0)
reaction_shader.unbind()
gl.glBindFramebufferEXT(gl.GL_FRAMEBUFFER_EXT, 0)
# Render
gl.glViewport(0, 0, window.width, window.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, 1, 0, 1, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
color_shader.bind()
texture_uv.blit(x=0.0, y=0.0, width=1.0, height=1.0)
color_shader.bind()示例6: on_draw
def on_draw():
update_grid()
window.clear()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, 200, 200, 0, 0, 1)
grid.draw()示例7: SetOrigin
def SetOrigin(self):
size = self.GetVirtualSize()
self.SetScrollbar(wx.HORIZONTAL, self.GetScrollPos(wx.HORIZONTAL), size[0],
self.map.width * 32 * self.zoom, refresh=True)
self.SetScrollbar(wx.VERTICAL, self.GetScrollPos(wx.VERTICAL), size[1],
self.map.height * 32 * self.zoom, refresh=True)
size = self.GetGLExtents()
if size.width <= 0:
size.width = 1
if size.height <= 0:
size.height = 1
self.tilemap.updateDimmingSprite(
int(size.width) + 2, int(size.height) + 2, 1 / self.zoom)
gl.glViewport(0, 0, size.width, size.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(
0, size.width / self.zoom, 0, size.height / self.zoom, -1, 1)
x = (-self.GetScrollPos(wx.HORIZONTAL)) / self.zoom
y = ((-(self.map.height * 32) + size.height / self.zoom) +
self.GetScrollPos(wx.VERTICAL) / self.zoom)
gl.glTranslatef(x, y, 0)
self.translateX = -x + size.width / 2 / self.zoom
self.translateY = -y + size.height / 2 / self.zoom
self.onscreenwidth = int(size.width / self.zoom)
self.onscreenheight = int(size.height / self.zoom)
self.tilemap.setDimXY(self.translateX - 1, self.translateY + 1)
gl.glMatrixMode(gl.GL_MODELVIEW)示例8: _drawLUTtoScreen
def _drawLUTtoScreen(self):
"""(private) Used to set the LUT in Bits++ mode.
Should not be needed by user if attached to a ``psychopy.visual.Window()``
since this will automatically draw the LUT as part of the screen refresh.
"""
#push the projection matrix and set to orthorgaphic
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPushMatrix()
GL.glLoadIdentity()
GL.glOrtho( 0, self.win.size[0],self.win.size[1], 0, 0, 1 ) #this also sets the 0,0 to be top-left
#but return to modelview for rendering
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
#draw the pixels
GL.glActiveTextureARB(GL.GL_TEXTURE0_ARB)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
GL.glActiveTextureARB(GL.GL_TEXTURE1_ARB)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
GL.glRasterPos2i(0,1)
GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
GL.glDrawPixels(len(self._HEADandLUT),1,
GL.GL_RGB,GL.GL_UNSIGNED_BYTE,
self._HEADandLUTstr)
#GL.glDrawPixels(524,1, GL.GL_RGB,GL.GL_UNSIGNED_BYTE, self._HEADandLUTstr)
#return to 3D mode (go and pop the projection matrix)
GL.glMatrixMode( GL.GL_PROJECTION )
GL.glPopMatrix()
GL.glMatrixMode( GL.GL_MODELVIEW )示例9: _resize
def _resize(self, width, height):
aspect = float(self._width)/self._height
self._viewport_width = int(min(width, height*aspect))
self._viewport_height = int(min(height, width/aspect))
self._viewport_x_offs = (width-self._viewport_width) // 2
self._viewport_y_offs = (height-self._viewport_height) // 2
x = (width-self._width) / 2
gl.glViewport(self._viewport_x_offs,
self._viewport_y_offs,
self._viewport_width,
self._viewport_height,
)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, self._viewport_width, 0, self._viewport_height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
logging.debug("Viewport: %s, %s, %s, %s" % (self._viewport_x_offs,
self._viewport_y_offs,
self._viewport_width,
self._viewport_height,
))示例10: _reset_projection
def _reset_projection(self):
if self.fullcanvas:
if self._pygimage is None:
return
width, height = self._pygimage.width, self._pygimage.height
else:
size = self.GetClientSize()
width, height = size.width, size.height
b = 0
t = height
if self.flip_lr:
l = width
r = 0
else:
l = 0
r = width
if self.rotate_180:
l,r=r,l
b,t=t,b
if width==0 or height==0:
# prevent OpenGL error
return
self.wxcontext.SetCurrent()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(l,r,b,t, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)示例11: draw
def draw(self):
# set up projection
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glViewport(self.x, self.y, self.width, self.height)
gl.glOrtho(0, self.width, 0, self.height, self.near, self.far)
gl.glMatrixMode(gl.GL_MODELVIEW)
fx, fy = self._determine_focus()
w2 = self.width / 2
h2 = self.height / 2
x1, y1 = fx - w2, fy - h2
x2, y2 = fx + w2, fy + h2
gl.glPushMatrix()
gl.glTranslatef(self.width / 2 - fx, self.height / 2 - fy, 0)
for layer in self.layers:
if hasattr(layer, 'x'):
translate = layer.x or layer.y
else:
translate = False
if translate:
gl.glPushMatrix()
gl.glTranslatef(layer.x, layer.y, 0)
layer.draw()
if translate:
gl.glPopMatrix()
gl.glPopMatrix()示例12: handle_resize
def handle_resize(w, h):
gl.glViewport(0, 0, w, h)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, w, h, 0, 0, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()示例13: draw_camera
def draw_camera():
gl.glViewport(0, 0, w, h)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, w, 0, h, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
gl.glLoadIdentity()示例14: before_render
def before_render(self, texture):
self.pbuf.switch_to()
gl.glViewport(0, 0, self.pbuf.width, self.pbuf.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, self.pbuf.width, 0, self.pbuf.height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glEnable(gl.GL_TEXTURE_2D)示例15: __enter__
def __enter__(self):
width, height = self.window.get_size()
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()