GRRLIB/examples/nonameno01/source/main.c

61 lines
1.4 KiB
C

/*===========================================
GRRLIB (GX Version)
Example code by NoNameNo
This code shows how to draw
vectors using GRRLIB_DrawImgQuad.
============================================*/
#include <grrlib.h>
#include <stdlib.h>
#include <math.h>
#include <wiiuse/wpad.h>
#include "gfx/pirate.h"
int main() {
u32 wpaddown;
guVector ln[4];
guVector d[4];
float xt, yt, zt;
int i;
float a=0.0, b=0.0;
float c=2;
guVector l[4]={{-0.8,-0.8,0},{0.8,-0.8,0},{0.8,0.8,0},{-0.8,0.8,0}};
GRRLIB_Init();
WPAD_Init();
GRRLIB_texImg *tex_pirate = GRRLIB_LoadTexture(pirate);
while(1) {
WPAD_ScanPads();
wpaddown = WPAD_ButtonsDown(0);
a+=0.04;
b+=0.02;
for(i=0;i<4;i++) {
xt=l[i].x*cos(a)-l[i].z*sin(a);
yt=l[i].y;
zt=l[i].x*sin(a)+l[i].z*cos(a);
ln[i].x=xt;
ln[i].y=yt*cos(b)-zt*sin(b);
ln[i].z=yt*sin(b)+zt*cos(b)+c;
d[i].x=(640/2)+(480*ln[i].x)/(2*ln[i].z);
d[i].y=(480/2)+(480*ln[i].y)/(2*ln[i].z);
}
GRRLIB_FillScreen(0xFFFFFFFF);
GRRLIB_DrawImgQuad(d, tex_pirate, 0xFFFFFFFF);
GRRLIB_Render();
if(wpaddown & WPAD_BUTTON_HOME) {
exit(0);
}
}
GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
GRRLIB_FreeTexture(tex_pirate);
return 0;
}