int g_w = 1024;
//int g_h = 1024;
int g_h = 1024;
int g_black = color(0);
int g_white = color(255);
int g_red = color(255,0,0);
int g_green = color(0,255,0);
int g_blue = color(0,0,255);
//int g_cx = rp(0,g_w-1);
//int g_cy = rp(0,g_h-1);
int g_r = round(g_w/16);
int g_cx = 0;
int g_cy = 0;
int g_limit = 100;
int g_cnt = 0;
void setup(){
//size(1024,1024);
//size(1181,1024);
size(1178,1024);//適宜サイズ調整
noSmooth();
background(g_black);
//frameRate(0.5);
//background(g_white);
stroke(g_white);
strokeWeight(3);
//noStroke();
noFill();
//fill(g_black);
//fill(g_white);
}
void draw(){
background(g_black);
int r_leng = round(g_w/(2+2*sqrt(1-sq(cos(to_rad(30))))))/2;
int num = 100;
int sr_leng = round(r_leng*cos(to_rad(30))) ;
int tr_leng = round(sqrt(sq(r_leng)-sq(sr_leng)));
for(int i=0;i<num+6;i++){
for(int j=0;j<num+4;j++){
if(i%2==0){
hexagon(r_leng,sr_leng*j*2,i*(r_leng+tr_leng),30);
}else{
hexagon(r_leng,sr_leng*j*2-sr_leng,i*(r_leng+tr_leng),30);
}
}
}
}
void hexagon(int leng,int x,int y,float deg){ //中点から頂点への距離,中点座標,角度
int ax = leng*1 ;
int ay = 0;
int bx = round(leng*0.5);
int by = round(leng*0.866);
int cx = round(leng*(-0.5));
int cy = round(leng*0.866);
int dx = leng*(-1);
int dy = 0;
int ex = round(leng*(-0.5));
int ey = round(leng*(-0.866));
int fx = round(leng*0.5);
int fy = round(leng*(-0.866));
int rax = rot_x(ax,ay,deg); int ray = rot_y(ax,ay,deg);
int rbx = rot_x(bx,by,deg); int rby = rot_y(bx,by,deg);
int rcx = rot_x(cx,cy,deg); int rcy = rot_y(cx,cy,deg);
int rex = rot_x(ex,ey,deg); int rey = rot_y(ex,ey,deg);
int rfx = rot_x(fx,fy,deg); int rfy = rot_y(fx,fy,deg);
rax += x;ray += y;
rbx += x;rby += y;
rcx += x;rcy += y;
rex += x;rey += y;
rfx += x;rfy += y;
line(rax,ray,rbx,rby);
line(rbx,rby,rcx,rcy);
line(rex,rey,rfx,rfy);
line(rfx,rfy,rax,ray);
}
int rot_x(int x,int y,float deg){
float rad = to_rad(deg);
return round( x*cos(rad) - y*sin(rad));
}
int rot_y(int x,int y,float deg){
float rad = to_rad(deg);
return round( x*sin(rad) + y*cos(rad));
}
void rot_at_center(int deg){
translate(g_w/2,g_h/2);
rotate(to_rad(deg));
translate(-g_w/2,-g_h/2);
}
float to_rad(float deg){
return deg*(PI/180);
}
float to_deg(float rad){
return rad*(180/PI);
}
void draw_triangle(int cx,int cy,int r,int deg){
//deg = 180;
);
}
void keyPressed(){
if(keyCode==ENTER){
save(fname);
PGraphics pg = createGraphics(g_w,g_h);
pg.beginDraw();
pg.tint(0,0);
PImage img = loadImage(fname);
img.loadPixels();
for(int j=0;j<g_w;j++){
for(int k=0;k<g_h;k++){
int c = img.get(j,k);
if(!compare_color(c,g_black)){
pg.fill(c);
pg.stroke(c);
pg.square(j,k,1);
}
}
}
pg.endDraw();
pg.save("trans"+fname);
}
}
boolean compare_color(int a,int b){
return (red(a)==red(b) && green(a)==green(b) && blue(a)==blue(b));
}
