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@@ -16,6 +16,28 @@ You should use the graphics driver provided by Intel rather than the one
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provided by your desktop or laptop's manufacturer because their version is often
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outdated.
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+The editor runs slowly and uses all my CPU and GPU resources, making my computer noisy.
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+---------------------------------------------------------------------------------------
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+
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+This is a known issue, especially on macOS since most Macs have Retina displays.
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+Due to Retina displays' higher pixel density, everything has to be rendered at a
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+higher resolution. This increases the load on the GPU and decreases perceived
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+performance.
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+
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+There are several ways to improve performance and battery life:
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+
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+- In 3D, click the **Perspective** button in the top left corner and enable
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+ **Half Resolution**. The 3D viewport will now be rendered at half resolution,
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+ which can be up to 4 times faster.
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+- Open the Editor Settings and increase the value of **Low Processor Mode Sleep Usec**
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+ to ``33000`` (30 FPS). This value determines the amount of *microseconds*
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+ between frames to render. Higher values will make the editor feel less reactive,
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+ but will help decrease CPU and GPU usage significantly.
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+- If you have a node that causes the editor to redraw continuously (such as
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+ particles), hide it and show it using a script in the ``_ready()`` method.
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+ This way, it will be hidden in the editor but will still be visible in the
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+ running project.
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+
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The grid disappears and meshes turn black when I rotate the 3D camera in the editor.
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Hugo Locurcio