mirror of
https://github.com/GRRLIB/GRRLIB.git
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110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/*===========================================
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NoNameNo
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Simple Diffuse Light Sample Code
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With 3 Light sources.
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Note : This torus hardcoded obj will be removed
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when we will have nice primitive functions.
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============================================*/
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#include <grrlib.h>
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#include <stdlib.h>
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#include <math.h>
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#include <malloc.h>
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#include <wiiuse/wpad.h>
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#include "gfx/font.h"
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extern Mtx _GRR_view;
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typedef struct GRRLIB_3dObj {
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int NbFace;
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guVector *Pos;
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guVector *Tex;
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guVector *Nrm;
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int *FacPos;
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int *FacTex;
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int *FacNrm;
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} GRRLIB_3dObj;
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#include "torus.h"
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void GRRLIB_Draw3dObj(GRRLIB_3dObj obj, u32 col, bool tex, bool norm) {
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int i;
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GX_Begin(GX_TRIANGLES, GX_VTXFMT0, obj.NbFace*3);
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for(i=0;i<obj.NbFace*3;i+=3) {
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GX_Position3f32(obj.Pos[obj.FacPos[i]-1].x,obj.Pos[obj.FacPos[i]-1].y,-obj.Pos[obj.FacPos[i]-1].z);
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if(col) GX_Color1u32 (col);
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if(norm) GX_Normal3f32(obj.Nrm[obj.FacNrm[i]-1].x,obj.Nrm[obj.FacNrm[i]-1].y,-obj.Nrm[obj.FacNrm[i]-1].z);
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if(tex) GX_TexCoord2f32(obj.Tex[obj.FacTex[i]-1].x, obj.Tex[obj.FacTex[i]-1].y);
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GX_Position3f32(obj.Pos[obj.FacPos[i+1]-1].x,obj.Pos[obj.FacPos[i+1]-1].y,-obj.Pos[obj.FacPos[i+1]-1].z);
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if(col) GX_Color1u32 (col);
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if(norm) GX_Normal3f32(obj.Nrm[obj.FacNrm[i+1]-1].x,obj.Nrm[obj.FacNrm[i+1]-1].y,-obj.Nrm[obj.FacNrm[i+1]-1].z);
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if(tex) GX_TexCoord2f32(obj.Tex[obj.FacTex[i+1]-1].x, obj.Tex[obj.FacTex[i+1]-1].y);
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GX_Position3f32(obj.Pos[obj.FacPos[i+2]-1].x,obj.Pos[obj.FacPos[i+2]-1].y,-obj.Pos[obj.FacPos[i+2]-1].z);
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if(col) GX_Color1u32 (col);
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if(norm) GX_Normal3f32(obj.Nrm[obj.FacNrm[i+2]-1].x,obj.Nrm[obj.FacNrm[i+2]-1].y,-obj.Nrm[obj.FacNrm[i+2]-1].z);
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if(tex) GX_TexCoord2f32(obj.Tex[obj.FacTex[i+2]-1].x, obj.Tex[obj.FacTex[i+2]-1].y);
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}
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GX_End();
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}
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int main() {
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float a=0;
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u8 Amb=0x80;
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f32 zlight=0.0f;
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GRRLIB_Init();
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WPAD_Init();
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Obj3dInittorus();
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GRRLIB_texImg *tex_font = GRRLIB_LoadTexture(font);
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GRRLIB_InitTileSet(tex_font, 16, 16, 32);
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GRRLIB_Settings.antialias = true;
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GRRLIB_SetBackgroundColour(0x00, 0x00, 0x00, 0xFF);
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GRRLIB_Camera3dSettings(0.0f,0.0f,13.0f, 0,1,0, 0,0,0);
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while(1) {
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GRRLIB_2dMode();
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WPAD_ScanPads();
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if(WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) exit(0);
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_PLUS) {if(Amb<255) Amb++; }
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_MINUS) {if(Amb>0) Amb--; }
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_A) {zlight++; }
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_B) {zlight--; }
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GRRLIB_3dMode(0.1,1000,45,0,0,1);
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GRRLIB_ObjectView(0,0,0, a,a*2,a*3, 3,3,3);
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GRRLIB_InitLight(GX_LIGHT0, (guVector){-6, 0, zlight}, 0xFF0000FF);
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GRRLIB_InitLight(GX_LIGHT1, (guVector){ 6, 0, zlight}, 0x00FF00FF);
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GRRLIB_InitLight(GX_LIGHT2, (guVector){ 0,-6, zlight}, 0x0000FFFF);
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GRRLIB_LightSwitch(GX_LIGHT0|GX_LIGHT1|GX_LIGHT2,RGBA(Amb,Amb,Amb,0xFF),0x808080FF,0);
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GRRLIB_Draw3dObj(torus,0,0,1);
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a+=0.5f;
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GRRLIB_LightOff();
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// Switch To 2D Mode to display text
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GRRLIB_2dMode();
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GRRLIB_Printf((640-(16*35))/2, 20, tex_font, 0xFFFFFFFF, 1, "(PLUS / MINUS) AMBIENT = 0X%02X%02X%02XFF",Amb,Amb,Amb,Amb);
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GRRLIB_Printf((640-(16*35))/2, 36, tex_font, 0xFFFFFFFF, 1, " (A / B) ZLIGHT = %f ",zlight);
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GRRLIB_Render();
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}
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GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
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GRRLIB_FreeTexture(tex_font);
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exit(0);
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}
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