Line 209: | Line 209: | ||
for(int i=0; i<x.length; i++){ | for(int i=0; i<x.length; i++){ | ||
x[i]=(int)random(width); | x[i]=(int)random(width); // random position of the butterflies | ||
y[i]=(int)random(height); | y[i]=(int)random(height); | ||
w[i]=(int)random(20,80); | w[i]=(int)random(20,80); | ||
Line 222: | Line 222: | ||
for(int i=0; i<x.length-1; i++){ | for(int i=0; i<x.length-1; i++){ | ||
int newX=x[i]+=random(-stepLength,stepLength); | int newX=x[i]+=random(-stepLength,stepLength); //move the butterflies | ||
int newY=y[i]+=random(-stepLength,stepLength); | int newY=y[i]+=random(-stepLength,stepLength); | ||
if(newX<0) newX = width; | if(newX<0) newX = width; | ||
else if(newX>width) newX = 0; | else if(newX>width) newX = 0; | ||
if(newY<0) newY = height; | if(newY<0) newY = height; //keep them | ||
else if(newY>height) newY = height; | else if(newY>height) newY = height; | ||
x = append(x, newX); | x = append(x, newX); | ||
y = append(y, newY); | y = append(y, newY); // I guess this results in "butterfly effect" | ||
if(x.length > num){ | if(x.length > num){ | ||
Line 239: | Line 239: | ||
rect(x[i],y[i],w[i],h[i]); | rect(x[i],y[i],w[i],h[i]); | ||
} | } | ||
fill(x[i],y[i],150); | fill(x[i],y[i],150); //mellow colours | ||
} | } | ||
} | } |
Revision as of 20:35, 22 March 2019
for Computers
I: Kasimir Malewitsch's bird
II: Cute Bauhaus
Result | Algorithm |
---|---|
void setup() {
size(500,500);
frameRate(60);
}
void draw() {
background (255);
line(20,30,70,80);
line(0,0,100,100);
size(500, 500);
background(300, 200, 100);
strokeWeight(50);
line(100, 500, 400, 80);
line(5, 400, 400, 330);
noFill();
stroke(0, 0, 200);
strokeWeight(5);
ellipse(mouseX, mouseY, 400, 300);
//here i draw a red square
noStroke();
fill(255,0,0);
rect(100,150,150,150);
//circle
fill(0);
ellipse(300,355,150,150);
//triangle
fill(255,255,0);
beginShape();
vertex(250,150);
vertex(400,150);
vertex(325,mouseY);
endShape();
rect(10, 10, 30, 30);
noFill();
strokeWeight(40);
rect(400, 300, 100, 50);
}
}
}
} |
III: Cat Eyes
Result | Algorithm |
---|---|
int gap=100;
void setup(){
size(800,600);
background(0,230,115);
smooth(8);
}
void draw(){
float speed= sin(1)*30;
frameRate(speed);
for(int i=1; i<=7; i+=1) {
for (int j=1; j<=5; j+=1){
int xPos=i*gap;
int yPos=j*gap;
float ellWidth=random(100);
float ellHeight=random(100);
float R=random(100,255);
float G=random(100,255);
float B=random(100,255);
noStroke();
fill(R,G,B);
ellipse(xPos,yPos,ellWidth,ellHeight); |
IV: Butterflies
Result | Algorithm |
---|---|
int num=50; //number of butterflies, but actually around 5 "form" one...
int stepLength=10; //tempo of them
int x[]= new int [num];
int y[]= new int [num];
int w[]= new int [num];
int h[]= new int [num];
void setup() {
rectMode(CENTER);
size(1280,720);
background(255);
noStroke();
for(int i=0; i<x.length; i++){
x[i]=(int)random(width); // random position of the butterflies
y[i]=(int)random(height);
w[i]=(int)random(20,80);
h[i]=(int)random(20,80);
}
}
void draw() {
background(255);
rectMode(CENTER);
for(int i=0; i<x.length-1; i++){
int newX=x[i]+=random(-stepLength,stepLength); //move the butterflies
int newY=y[i]+=random(-stepLength,stepLength);
if(newX<0) newX = width;
else if(newX>width) newX = 0;
if(newY<0) newY = height; //keep them
else if(newY>height) newY = height;
x = append(x, newX);
y = append(y, newY); // I guess this results in "butterfly effect"
if(x.length > num){
x = subset(x, 1);
y = subset(y, 1);
rect(x[i],y[i],w[i],h[i]);
}
fill(x[i],y[i],150); //mellow colours
}
} |