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| 日付 | 上が新しく、下が古い。 | |
|---|---|---|
| 2022(R04)-02-11(金・祝) |
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| 2018(H30)-04-01(日) | なんか、dx2, dy2 が、関数 title を呼んだら、書き換えられていたので、手こずった。その割には、あまり面白くない絵。 | OpenProcessing Prog.7
th = 0;
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
//
fill(0);
rect( windowHeight,0, windowWidth, windowHeight );
//
}
function tile( lv, right, top, dx, dy ) {
if (lv < 1)
{
//rect( right, top, dx, dy );
}
else
{
dx2 = dx / 2;
dy2 = dy / 2;
rect( right, top, dx2, dy2 );
rect( right+dx2, top+dy2, dx2, dy2 );
tile( lv-1, right+dx2, top, dx2, dy2 );
dx2 = dx / 2;
dy2 = dy / 2;
tile( lv-1, right, top+dy2, dx2, dy2 );
}
}
function draw() {
th = th + 0.1
fill( ( sin( th )+1 )*256/2 );
mx = mouseX;
my = mouseY;
lv = 4;
tile( lv, 0, 0, mx, my );
tile( lv, mx, my, windowHeight-mx, windowHeight-my );
}
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| 2018(H30)-03-23(金) | 1/f ゆらぎ | OpenProcessing Prog.6
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
//
fill(0);
rect( windowHeight,0, windowWidth, windowHeight );
//
rr = 164;
x=0;
while( x < windowHeight ) {
line(x,0,x,windowHeight);
x = x + rr/random(1,rr);
}
}
function draw() {
fill(128/random(128)+128);
r = 64/random(1,64);
ellipse(mouseX, mouseY, r, r);
}
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| 2018(H30)-03-21(水・祝) |
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OpenProcessing Prog.5(Prog.4 は欠番)
th = 0;
Hilbert_x = 0;
Hilbert_y = 0;
Hilbert_delta = 10;
oldX = 0;
oldY = 0;
//
//
//
function ldr(n) {
if (n > 0) {
dlu(n - 1);
Hilbert_x -= Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //←
oldX = Hilbert_x;
oldY = Hilbert_y;
ldr(n - 1);
Hilbert_y += Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //↓
oldX = Hilbert_x;
oldY = Hilbert_y;
ldr(n - 1);
Hilbert_x += Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //→
oldX = Hilbert_x;
oldY = Hilbert_y;
urd(n - 1);
}
}
function urd(n) {
if (n > 0) {
rul(n - 1);
Hilbert_y -= Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //↑
oldX = Hilbert_x;
oldY = Hilbert_y;
urd(n - 1);
Hilbert_x += Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //→
oldX = Hilbert_x;
oldY = Hilbert_y;
urd(n - 1);
Hilbert_y += Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //↓
oldX = Hilbert_x;
oldY = Hilbert_y;
ldr(n - 1);
}
}
function rul(n) {
if (n > 0) {
urd(n - 1);
Hilbert_x += Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //→
oldX = Hilbert_x;
oldY = Hilbert_y;
rul(n - 1);
Hilbert_y -= Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //↑
oldX = Hilbert_x;
oldY = Hilbert_y;
rul(n - 1);
Hilbert_x -= Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //←
oldX = Hilbert_x;
oldY = Hilbert_y;
dlu(n - 1);
}
}
function dlu(n) {
if (n > 0) {
ldr(n - 1);
Hilbert_y += Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //↓
oldX = Hilbert_x;
oldY = Hilbert_y;
dlu(n - 1);
Hilbert_x -= Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //←
oldX = Hilbert_x;
oldY = Hilbert_y;
dlu(n - 1);
Hilbert_y -= Hilbert_delta;
line(oldX, oldY, Hilbert_x, Hilbert_y); //↑
oldX = Hilbert_x;
oldY = Hilbert_y;
rul(n - 1);
}
}
function HilbertCurve(n) {
Hilbert_x = windowWidth/2 - 10;
Hilbert_y = 10;
Hilbert_delta = 26;
oldX = Hilbert_x;
oldY = Hilbert_y;
ldr(n);
}
//
//
//
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
}
function draw() {
if( random( 25 ) < 1 ) {
strokeWeight( 5/( random( 5 ) ) );
HilbertCurve(5);
}
strokeWeight( 1 );
r = sin(th)*128;
ellipse(mouseX, mouseY, r, r);
th += 0.1;
}
// end.
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| 2018(H30)-03-19(月) | OpenProcessing Prog.3
mlx = 0;
mly = 0;
th = 0;
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
}
function draw() {
//
dd = windowHeight/2;
if( ( mlx != mouseX )&&( mly != mouseY )&&( random( 25 ) < 1 ) ) {
r = 10;
step = 1.666;
sN = 0.1;
cX = windowWidth/4;
cY = windowHeight/2;
for( i=0; i<1; i++ ) {
lX = -999;
lY = -999;
rN = random( 10 );
strokeWeight( 10/( random( 10 ) ) )
for( ang = 0; ang <1440; ang += 5 ) {
thisR = r + ( noise( rN )*200 )-100;
rad = radians( ang );
x = cX + ( thisR*cos( rad ) );
y = cY + ( thisR*sin( rad ) );
if( lX > -999 ) {
line( x, y, lX, lY );
}
lX = x;
lY = y;
r += step;
rN += sN;
}
for( ang = 1435; ang >= 0; ang -= 5 ) {
thisR = r + ( noise( rN )*200 )-100;
rad = radians( ang );
x = cX*3 - ( thisR*cos( rad ) );
y = cY - ( thisR*sin( rad ) );
line( x, y, lX, lY );
lX = x;
lY = y;
r -= step;
rN -= sN;
}
}
}
//
strokeWeight( 1 )
mX = mouseX % dd;
mY = mouseY % dd;
//
reg = 1
if( ( mouseX/dd < 1 ) ) {
if( ( mouseY/dd < 1 ) ) {
reg = 0;
} else {
reg = 1;
}
} else {
if( ( mouseY/dd < 1 ) ) {
reg = 1;
} else {
reg = 0;
}
}
r = sin(th)*64;
if( reg == 0 ) {
ellipse(mX, mY, 20, 20);
ellipse(mX+dd, mY+dd, 20, 20);
} else {
ellipse(mX+dd, mY, 20, 20);
ellipse(mX, mY+dd, 20, 20);
}
//
mlx = mouseX;
mly = mouseY;
th += 0.1
}
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| 2018(H30)-03-18(日) | ||
| 2018(H30)-03-17(土) | OpenProcessing Prog.1
ox=0;
oy=0;
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
}
function draw() {
ellipse(mouseX, mouseY, abs(mouseX-ox), abs(mouseY-oy) );
ox = mouseX;
oy = mouseY;
}
OpenProcessing Prog.2
ox=0;
oy=0;
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
}
function draw() {
dx = abs(mouseX-ox);
dy = abs(mouseY-oy);
r = sqrt( dx*dx + dy*dy );
ellipse(mouseX, mouseY, r, r );
ox = mouseX;
oy = mouseY;
}
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