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@Bleuje
Created August 4, 2017 11:20
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int[][] result;
float t, c;
float ease(float p) {
return 3*p*p - 2*p*p*p;
}
float ease(float p, float g) {
if (p < 0.5)
return 0.5 * pow(2*p, g);
else
return 1 - 0.5 * pow(2*(1 - p), g);
}
float mn = .5*sqrt(3), ia = atan(sqrt(.5));
void push() {
pushMatrix();
pushStyle();
}
void pop() {
popStyle();
popMatrix();
}
void draw() {
if (!recording) {
t = mouseX*1.0/width;
c = mouseY*1.0/height;
if (mousePressed)
println(c);
draw_();
} else {
for (int i=0; i<width*height; i++)
for (int a=0; a<3; a++)
result[i][a] = 0;
c = 0;
for (int sa=0; sa<samplesPerFrame; sa++) {
t = map(frameCount-1 + sa*shutterAngle/samplesPerFrame, 0, numFrames, 0, 1);
draw_();
loadPixels();
for (int i=0; i<pixels.length; i++) {
result[i][0] += pixels[i] >> 16 & 0xff;
result[i][1] += pixels[i] >> 8 & 0xff;
result[i][2] += pixels[i] & 0xff;
}
}
loadPixels();
for (int i=0; i<pixels.length; i++)
pixels[i] = 0xff << 24 |
int(result[i][0]*1.0/samplesPerFrame) << 16 |
int(result[i][1]*1.0/samplesPerFrame) << 8 |
int(result[i][2]*1.0/samplesPerFrame);
updatePixels();
saveFrame("fr###.png");
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 10;
int numFrames = 150;
float shutterAngle = .9;
// change this to true to render the frames with motion blur :
boolean recording = false;
void setup() {
size(500, 500);
result = new int[width*height][3];
rectMode(CENTER);
noiseSeed(1);
}
float x, y, tt;
int N = 20;
float l = 4;
void drawDot(float x,float y,float q){
// added :
push();
float qq = ease(map(cos(TWO_PI*q),-1,1,0,1),7);
float xx = lerp(x,2*x,qq);
float yy = lerp(y,2*y,qq);
float sz = lerp(l,l/5,qq);
// added :
rotate(HALF_PI*qq);
fill(255);
noStroke();
rect(xx,yy,sz,sz);
//added :
pop();
}
float sp = 1.5*l;
void draw_() {
background(0);
push();
translate(width/2, height/2);
for (int i=-N; i<=N; i++) {
for (int j=-N; j<=N; j++) {
x = i*sp;
y = j*sp;
tt = (t + 0.5*noise(100+x*0.1,100+y*0.1))%1;
drawDot(x,y,tt);
}
}
pop();
}
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