The Physics Gun's Core Functions
The Physics Gun, often referred to as the 'Physgun', is arguably the most fundamental tool in Garry's Mod Sandbox. Its primary function is to manipulate physics-enabled props and entities within the game world. By default, the Physgun allows you to grab, move, rotate, and freeze props. To activate the Physgun, press the 'Q' key to open the Spawn Menu, navigate to the 'Tools' tab, and select the Physics Gun. Once equipped, left-clicking on a prop will grab it, allowing you to move it freely. Holding 'R' while holding a prop will allow you to rotate it along its local axes. The scroll wheel can be used to fine-tune the rotation speed.
Advanced Physgun Techniques
Beyond basic manipulation, the Physgun offers several advanced functionalities crucial for complex contraption building and precise placement. Holding 'C' while the Physgun is active brings up the Context Menu, offering options like 'Freeze' and 'Unfreeze'. Freezing a prop locks it in its current position and orientation, preventing it from being affected by physics. This is essential for creating stable structures and preventing them from collapsing. Another vital function is the 'Weld' tool, accessible via the Context Menu. While not directly part of the Physgun's core functionality, it's often used in conjunction with it. The Weld tool allows you to permanently attach two props together, simulating a physical weld. This is indispensable for building vehicles, machinery, and complex contraptions. Experimenting with different prop combinations and welding them together is a cornerstone of Garry's Mod creativity. For instance, welding several 'Metal Plates' together can form a sturdy platform, which can then be manipulated with the Physgun to position it precisely.
Troubleshooting and Common Mistakes
A common pitfall for new players is accidentally unfreezing props that are crucial to a structure, leading to its collapse. Always double-check if a prop is frozen before attempting to move other connected components. Another frequent issue is attempting to move props that are too heavy or too numerous with the Physgun alone. While the Physgun can move most props, extremely large or dense objects might require multiple players or specialized tools like the 'Tool Gun' with its 'Thruster' or 'Rope' attachments to manage effectively. Understanding the mass and physics properties of different props is key to efficient building. For example, trying to lift a 'Concrete Block' with the Physgun might be sificantly harder than lifting a 'Wooden Plank'. Remember, the Physgun is your primary tool for initial placement and fine-tuning, but complex creations often require the synergy of multiple tools and mechanics.