L’immagine รจ fissa
final int limite=40; final int maxNum=20; final float X1=-2.5; final float Y1=-1.5; final float X2=+1.5; final float Y2=+1.5; float passoX; float passoY; void setup() { size(500, 350); int maxX=width, maxY=height; float X, Y, ratioColor=255/maxNum; passoX=(X2-X1)/width; passoY=(Y2-Y1)/height; X=X1; for(int i=0; i < maxX; i++) { Y=Y1; for(int j=0; j < maxY; j++) { float c=ratioColor*m(X, Y); set(i, j, color(255-c, 0, 255-c)); Y+=passoY; } X+=passoX; } } int m(float a, float b) { float x=0.0, y=0.0, xx; int num=0; while(num < maxNum && (x*x+y*y < limite)) { xx=x*x-y*y+a; y=2*x*y+b; x=xx; num++; } return num; }