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geekerati
Google elgooG
Joined: 17 Jan 2005
Location: Deep in the heart.
21217.12 GC$
Items
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 Posted: Sun Jan 08, 2006 1:18 am Post subject: Google Particle Logo |
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This is soo cool! Fire up the java and enjoy. 
Google Particle Logo
Load the code!
| Quote: |
int dot_total = 5000;
dot [] dot_array = new dot [dot_total];
BImage bg;
int bgW, bgH, bgSx, bgSy;
int black_array [][] = new int [400*200][3];
void setup(){
size(600,400);
background(255);
bg_setting();
bg_array_setting();
init_dot();
}
void bg_setting(){
bg = loadImage("http://www.google.com/images/logo.gif");
bgW = bg.width;
bgH = bg.height;
bgSx = (width-bgW)/2;
bgSy = (height-bgH)/2;
}
int k = 0;
void bg_array_setting(){
for(int i=0;i<bgW*bgH; i++){
if(bg.pixels[i] != color(255,255,255)){
black_array[k][0] = i%bgW + bgSx;
black_array[k][1] = int(i/bgW) + bgSy;
black_array[k][2] = bg.pixels[i];
k++;
}
}
}
void init_dot(){
for(int i=0; i<dot_total; i++){
int rand = (int)random(k);
dot_array[i] = new dot();
dot_array[i].ox = black_array[rand][0];
dot_array[i].oy = black_array[rand][1];
dot_array[i].tx = dot_array[i].ox;
dot_array[i].ty = dot_array[i].oy;
dot_array[i].x = dot_array[i].ox;
dot_array[i].y = dot_array[i].oy;
dot_array[i].col = black_array[rand][2];
}
}
void loop(){
background(255);
for(int i=0;i<dot_total; i++){
dot_array[i].move();
}
}
class dot{
float ox,oy,tx,ty,x,y;
float dx,dy,dist;
float mdx,mdy,mdist;
float mx,my;
float damperX,damperY;
color col;
dot(){
damperX = 5 + random(15);
damperY = 5 + random(15);
col = color(0,0,0);
}
void move(){
//calculate distance from mouse cursor
mdx = mouseX - x;
mdy = mouseY - y;
mdist = sqrt(sq(mdx)+sq(mdy));
if(mdist<(20+random(20))){
mx = mouseX - pmouseX;
my = mouseY - pmouseY;
tx = x + mx * (40-mdist)/10 + random(60)-30;
ty = y + my * (40-mdist)/10 + random(60)-30;
damperX = 5 + random(15);
damperY = 5 + random(15);
//change ox,oy randomly
if(random(10)<1){
int rand = (int)random(k);
ox = black_array[rand][0];
oy = black_array[rand][1];
col = black_array[rand][2];
}
}else
if(abs(tx-x)<1+random(10) && abs(ty-y)<1+random(10)){
tx = ox + random(20) - 10;
ty = oy + random(20) - 10;
}
dx = tx-x;
dy = ty-y;
dist = sqrt(sq(dx)+sq(dy));
x += dx/damperX;
y += dy/damperY;
draw_me();
}
void draw_me(){
noStroke();
fill(col);
rect(x,y,1,1);
}
} |
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