![]() ![]() ![]() Information on how far from the camera each pixel has been drawn. When the gpu is rendering an object there is a depth buffer that holds In the draw() method so that blend is enabled when alpha is set to less than 1.0. Point by mytexture.blend = True In addition to this setting there is a check Setting the blend=True argument when the Texture is created or at a later To be blended with whatever’s behind them. Switched on or off as each Shape is drawn, allowing or preventing the pixels The graphics processor has a global setting to enable blending that is The way that transparency is handled is quite hard to understand. The blending of the pixels with alpha less than 1.0 is controlled by setting ![]() theĪlpha value of pixels in a png type image file 3. Transparency of Shapes can be altered by 1. See also in the section Permission denied below It’s not clear what causes thisīut it might be when the USB mouse is plugged in after the computer Running pi3d_demos/TestEvents.py and changing the number in Mouse doesn’t work with the event input, but starts to do after When running on my laptop (lenovo T420, ubuntu 13.10), occasionally, the Involves hacking the file but it will use a lookup table. In someĬircumstances you might need to modify the values returned by the There is also an application pi3d_demos/TestEvents.py that you can run toįind what information is being returned by your input devices. Python FindDevices.py from pi3d/event/ - this will give you lots With a device or inputs using the event system it’s a good idea to run You might need to use get_mouse_movements(1). If you have a mouse combined with a keyboard (to save on USB slots) then It’s not uncommon for keyboards to say they are mice or Then it could be the hardware configuration is pretending to be something If this only happens on demos using the event library (such as pi3d_demos/Silo.py) ![]()
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