main.cpp

00001 #include "TFT_4DGL.h"
00002 
00003 TFT_4DGL lcd(p9,p10,p11);
00004 
00005 int main() {
00006    
00007     double ImageHeight = 220;
00008     double ImageWidth = 220;
00009     double MinRe = -1.6;
00010     double MaxRe = 0.8;
00011     double MinIm = -1.1;
00012     double MaxIm = MinIm+(MaxRe-MinRe)*ImageHeight/ImageWidth;
00013     double Re_factor = (MaxRe-MinRe)/(ImageWidth-1);
00014     double Im_factor = (MaxIm-MinIm)/(ImageHeight-1);
00015     unsigned MaxIterations = 15;
00016     
00017  
00018  while (1) {
00019  
00020     for(unsigned y=0; y<ImageHeight; ++y)
00021     {
00022     double c_im = MaxIm - y*Im_factor;
00023     for(unsigned x=0; x<ImageWidth; ++x)
00024     {
00025         double c_re = MinRe + x*Re_factor;
00026 
00027         double Z_re = c_re, Z_im = c_im;
00028         bool isInside = true;
00029         for(unsigned n=0; n<MaxIterations; ++n)
00030         {
00031             double Z_re2 = Z_re*Z_re, Z_im2 = Z_im*Z_im;
00032             if(Z_re2 + Z_im2 > 4)
00033             {
00034                 isInside = false;
00035                 break;
00036             }
00037             Z_im = 2*Z_re*Z_im + c_im;
00038             Z_re = Z_re2 - Z_im2 + c_re;
00039         }
00040         if(isInside) {
00041 
00042         lcd.pixel(y,60+x,WHITE);
00043         
00044     }
00045     }
00046     }
00047   
00048 }
00049 }