tonc_bg_affine.c File Reference

#include "tonc_memmap.h"
#include "tonc_core.h"
#include "tonc_video.h"
#include "tonc_math.h"
#include "tonc_bios.h"

Functions
void	bg_aff_rotate (BG_AFFINE *bgaff, u16 alpha)
	Set bg matrix to counter-clockwise rotation.
void	bg_aff_rotscale (BG_AFFINE *bgaff, int sx, int sy, u16 alpha)
	Set bg matrix to 2d scaling, then counter-clockwise rotation.
void	bg_aff_premul (BG_AFFINE *dst, const BG_AFFINE *src)
	Pre-multiply dst by src: D = S*D.
void	bg_aff_postmul (BG_AFFINE *dst, const BG_AFFINE *src)
	Post-multiply dst by src: D= D*S.
void	bg_aff_rotscale2 (BG_AFFINE *bgaff, const AFF_SRC *as)
	Set bg matrix to 2d scaling, then counter-clockwise rotation.
void	bg_rotscale_ex (BG_AFFINE *bgaff, const AFF_SRC_EX *asx)
	Set bg affine matrix to a rot/scale around an arbitrary point.

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Detailed Description

Author:

J Vijn

Date:

20060916 - 20060916

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