GRRLIB/examples/gamecube/3D_sample1/source/main.c

/*===========================================
    NoNameNo
    Simple Flat 3D cube
============================================*/
#include <grrlib.h>

#include <stdlib.h>
#include <math.h>
#include <malloc.h>
#include <ogc/pad.h>

#include "font_png.h"

int main() {
    float a = 0;
    const u32 col[3] = {0xFFFFFFFF, 0xAAAAAAFF, 0x666666FF};
    int cubeZ = 0;

    GRRLIB_Init();
    PAD_Init();

    GRRLIB_texImg *tex_font = GRRLIB_LoadTexture(font_png);
    GRRLIB_InitTileSet(tex_font, 16, 16, 32);

    GRRLIB_Settings.antialias = true;

    GRRLIB_SetBackgroundColour(0x00, 0x00, 0x00, 0xFF);
    GRRLIB_Camera3dSettings(0.0f,0.0f,13.0f, 0,1,0, 0,0,0);

    while(1) {
        GRRLIB_2dMode();
        PAD_ScanPads();
        if(PAD_ButtonsDown(0) & PAD_BUTTON_START) exit(0);
        if(PAD_ButtonsHeld(0) & PAD_BUTTON_A) cubeZ++;
        if(PAD_ButtonsHeld(0) & PAD_BUTTON_B) cubeZ--;

        GRRLIB_3dMode(0.1,1000,45,0,0);
        GRRLIB_ObjectView(0,0,cubeZ, a,a*2,a*3,1,1,1);
        GX_Begin(GX_QUADS, GX_VTXFMT0, 24);
            GX_Position3f32(-1.0f,1.0f,-1.0f);
            GX_Color1u32(col[0]);
            GX_Position3f32(-1.0f,-1.0f,-1.0f);
            GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,-1.0f,-1.0f);
            GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,1.0f,-1.0f);
            GX_Color1u32(col[0]);

            GX_Position3f32(-1.0f,1.0f,1.0f);
            GX_Color1u32(col[0]);
            GX_Position3f32(-1.0f,-1.0f,1.0f);
            GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,-1.0f,1.0f);
            GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,1.0f,1.0f);
            GX_Color1u32(col[0]);

            GX_Position3f32(-1.0f,1.0f,1.0f);
            GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,1.0f,1.0f);
            GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,1.0f,-1.0f);
            GX_Color1u32(col[1]);
            GX_Position3f32(-1.0f,1.0f,-1.0f);
            GX_Color1u32(col[1]);

            GX_Position3f32(-1.0f,-1.0f,1.0f);
            GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,-1.0f,1.0f);
            GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,-1.0f,-1.0f);
            GX_Color1u32(col[1]);
            GX_Position3f32(-1.0f,-1.0f,-1.0f);
            GX_Color1u32(col[1]);

            GX_Position3f32(-1.0f,1.0f,1.0f);
            GX_Color1u32(col[2]);
            GX_Position3f32(-1.0f,1.0f,-1.0f);
            GX_Color1u32(col[2]);
            GX_Position3f32(-1.0f,-1.0f,-1.0f);
            GX_Color1u32(col[2]);
            GX_Position3f32(-1.0f,-1.0f,1.0f);
            GX_Color1u32(col[2]);

            GX_Position3f32(1.0f,1.0f,1.0f);
            GX_Color1u32(col[2]);
            GX_Position3f32(1.0f,1.0f,-1.0f);
            GX_Color1u32(col[2]);
            GX_Position3f32(1.0f,-1.0f,-1.0f);
            GX_Color1u32(col[2]);
            GX_Position3f32(1.0f,-1.0f,1.0f);
            GX_Color1u32(col[2]);
        GX_End();
        a+=0.5f;

        // Switch To 2D Mode to display text
        GRRLIB_2dMode();
        GRRLIB_Printf((640-(16*29))/2, 20, tex_font, 0xFFFFFFFF, 1, "PRESS A OR B TO ZOOM THE CUBE");

        GRRLIB_Render();
    }
    GRRLIB_FreeTexture(tex_font);
    GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB

    exit(0);
}