📄 hgefunc_gfxrenderline.html

📁 2D游戏引擎hge的代码

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<h1 style="margin-top:0px">HGE::Gfx_RenderLine</h1>
<p>
Renders a line.
</p>
<pre>
void Gfx_RenderLine(
  float <i><b>x1</b></i>,
  float <i><b>y1</b></i>,
  float <i><b>x2</b></i>,
  float <i><b>y2</b></i>,
  DWORD <i><b>color</b></i> = 0xFFFFFFFF,
  float <i><b>z</b></i> = 0.5f
);
</pre>
<h2>Parameters</h2>
<dl>
<dt><i>x1</i>
<dd>Starting point X-coordinate.
<dt><i>y1</i>
<dd>Starting point Y-coordinate.
<dt><i>x2</i>
<dd>Ending point X-coordinate.
<dt><i>y2</i>
<dd>Ending point Y-coordinate.
<dt><i>color</i>
<dd>Optional color value. Default is 0xFFFFFFFF.
<dt><i>z</i>
<dd>Optional Z-order. Default is 0.5f.
</dl>
<h2>Remarks</h2>
<p>
<b>Gfx_RenderLine</b> function must be called between the <a href="hgefunc_gfxbeginscene.html">Gfx_BeginScene</a> and
<a href="hgefunc_gfxendscene.html">Gfx_EndScene</a> calls.
<br><br>
The color parameter includes alpha value. See the
<a href="hgedata_hwcolor.html">Hardware color format</a> section for details.
<br><br>
If Z-buffer isn't used, the Z-order value is ignored.
</p>
<h2>Requirements</h2>
<p>
<b>Header:</b> hge.h<br>
<b>Import library:</b> hge.lib
</p>
<h2>See also</h2>
<p>
<a href="hgefunc_gfxbeginscene.html">Gfx_BeginScene</a>,
<a href="hgefunc_gfxendscene.html">Gfx_EndScene</a>
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