CmdRotate
From MCS Wiki AVR
Contents |
Action
Apply a rotation to the current matrix.
Syntax
CmdRotate a
Remarks
|
a |
Clockwise rotation angle, in units of 1/65536 of a circle |
Example
' 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
' 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
' 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
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