Admin at 17:43, 12 December 2014

2014-12-12T17:43:58Z

Admin: Created page with "= Action = Apply a rotation to the current matrix.
2014-12-12T17:40:48Z

Created page with "= Action = Apply a rotation to the current matrix. </s..."

New page
= Action =

Apply a rotation to the current matrix.

 

 

= Syntax =

CmdRotate a 

 

 

= Remarks =
<div style="padding: 0px; margin: 0px;">
{| cellspacing="0" cellpadding="0" border="0" style="border: none; border-spacing: 0px; border-collapse: collapse;"
|- style="vertical-align: top;"
| valign="top" width="65" style="width: 65px; border: 2px solid rgb(0, 0, 0);" |
a

| valign="top" width="767" style="width: 767px; border: 2px solid rgb(0, 0, 0);" |
Clockwise rotation angle, in units of 1/65536 of a circle

|}
</div>
 

 

 

= Example =

← Older revision		Revision as of 17:43, 12 December 2014
Line 34:		Line 34:

	= <span class="f_Header">Example</span> =		= <span class="f_Header">Example</span> =
		+
		+	<source lang="bascomavr">
		+	' Pseudocode
		+
		+	' To rotate the bitmap clockwise by 10 degrees with respect to the top left of the bitmap
		+	Begin_G BITMAPS
		+	CmdLoadIdentity
		+	CmdRotate 10 * 65536 / 360
		+	CmdSetMatrix
		+	Vertex2II 68, 28, 0, 0
		+	</source> [[File:Clip0046.png\|center\|Clip0046.png]]
		+
		+	<source lang="bascomavr">
		+	' To rotate the bitmap counter clockwise by 33 degrees top left of the bitmap
		+	Begin_G BITMAPS
		+	CmdLoadIdentity
		+	CmdRotate -33 * 65536 / 360
		+	CmdSetMatrix
		+	Vertex2II 68, 28, 0, 0
		+	</source>
		+
		+	<source lang="bascomavr">
		+	' Rotating a 64 x 64 bitmap around its center
		+	Begin_G BITMAPS
		+	CmdLoadIdentity
		+	CmdTranslate 65536 * 32, 65536 * 32
		+	CmdRotate 90 * 65536 / 360
		+	CmdTranslate 65536 * -32, 65536 * -32
		+	CmdSetMatrix
		+	Vertex2II 68, 28, 0, 0
		+	</source> [[File:Clip0047.png\|center\|Clip0047.png]]
		+
		+	{{Languages}}
		+
		+	[[Category:FT800 Commands]]