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functions:hudlib

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functions:hudlib [2016/08/10 13:23] – [HudSetShowToEveryone] korshunfunctions:hudlib [2016/10/16 13:29] – [Hudlib] korshun
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 Only drawing functions actually draw stuff. All other functions only manipulate render state. Only drawing functions actually draw stuff. All other functions only manipulate render state.
  
-Only drawing functions change ZDoom's global message settings: [[zdoom>SetHudSize]] and [[zdoom>SetFont]].+Drawing functions change ZDoom's global message settings ([[zdoom>SetHudSize]] and [[zdoom>SetFont]]) every time they are called. Other functions do not touch them. 
 + 
 +===== Examples ===== 
 + 
 +==== Simple 2D drawing ==== 
 + 
 +<code> 
 +HudSetPoint(320.0, 240.0); 
 +HudDrawText(1, "Hello!"); 
 +</code> 
 + 
 +==== Simple 3D drawing ==== 
 + 
 +<code> 
 +HudSetCameraActor(0); 
 +HudSetPoint3D(0.0, 0.0, 0.0); 
 +HudDrawText(2, "This is the center of the map!"); 
 +</code>
  
 ===== Virtual screen size ===== ===== Virtual screen size =====
Line 34: Line 51:
  
 Controls whether the statusbar area should be included into the virtual screen. This corresponds to the third parameter of ''[[zdoom>SetHudSize]]'' Controls whether the statusbar area should be included into the virtual screen. This corresponds to the third parameter of ''[[zdoom>SetHudSize]]''
 +
 +===== Widescreen support =====
 +
 +==== Hud boundaries ====
 +''fixed HudLeft()''
 +
 +''fixed HudRight()''
 +
 +''fixed HudTop()''
 +
 +''fixed HudBottom()''
 +
 +Return the boundaries of the screen for current virtual screen size, accounting for current **physical** aspect ratio. Equivalent to adding or subtracting a hud border manually.
 +
 +**Example**
 +
 +<code>
 +// This message will stick to the left border of the screen (with a gap), even in widescren.
 +HudSetPoint(HudLeft() + 3.0, 240.0);
 +</code>
 +
 +==== Hud borders ====
 +''fixed HudBorderX()''
 +
 +''fixed HudBorderY()''
 +
 +Return hud borders for current virtual screen size, accounting for current **physical** aspect ratio.
  
 ===== 2D positioning ===== ===== 2D positioning =====

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