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An ACS library for ZDoom-based ports

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hud_coordinate_system

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hud_coordinate_system [2017/04/18 16:35] – korshunhud_coordinate_system [2017/04/18 16:39] (current) – korshun
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 ACSUtils provides functions to correctly work with the HUD coordinate system. ACSUtils provides functions to correctly work with the HUD coordinate system.
 +
 +<note important>All functions here work with fixed-point numbers. The restriction on integers in ZDoom is completely arbitrary.</note>
  
 ===== Retrieve aspect ratio ===== ===== Retrieve aspect ratio =====
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 To avoid specifying a width or height every time, you can call [[functions:HudSetVirtualSize]] once and then call [[functions:HudLeft]], [[functions:HudRight]], [[functions:HudTop]] and [[functions:HudBottom]]. To avoid specifying a width or height every time, you can call [[functions:HudSetVirtualSize]] once and then call [[functions:HudLeft]], [[functions:HudRight]], [[functions:HudTop]] and [[functions:HudBottom]].
 +
 +===== HUD borders =====
 +Borders are the areas of the screen that are not covered by the aforementioned rectangle. Horizontal and vertical border width can be retrieved using [[functions:HudBorderXFor]] and [[functions:HudBorderYFor]].
 +
 +As with screen boundaries, you can just call [[functions:HudSetVirtualSize]] once and then use [[functions:HudBorderX]] and [[functions:HudBorderY]] without specifying the size of the HUD coordinate system every time.
 +
 +===== Examples =====
 +
 +Put a message in the top left corner of the screen:
 +<code>
 +HudSetVirtualSize(640.0, 480.0);
 +x = HudLeft(); // This will be negative in widescreen.
 +y = 0.0;
 +</code>
 +
 +
hud_coordinate_system.txt · Last modified: 2017/04/18 16:39 by korshun

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