Created
March 31, 2018 12:22
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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"); | |
println(frameCount,"/",numFrames); | |
if (frameCount==numFrames) | |
exit(); | |
} | |
} | |
////////////////////////////////////////////////////////////////////////////// | |
int samplesPerFrame = 4; | |
int numFrames = 100; | |
float shutterAngle = .6; | |
boolean recording = true; | |
OpenSimplexNoise noise; | |
/* | |
float l = 25; | |
float motion_radius = 1.0; | |
*/ | |
float l = 100; | |
float motion_radius = 0.5; | |
class Dot{ | |
float r = sqrt(random(1))*0.3*width; | |
float theta = random(TWO_PI); | |
float cx = r*cos(theta); | |
float cy = r*sin(theta); | |
float id1 = random(10000); | |
float id2 = random(10000); | |
float x(float ph){ | |
return cx + l*(float)noise.eval(id1 + motion_radius*cos(TWO_PI*(t+ph)),motion_radius*sin(TWO_PI*(t+ph))); | |
} | |
float y(float ph){ | |
return cy + l*(float)noise.eval(id2 + motion_radius*cos(TWO_PI*(t+ph)),motion_radius*sin(TWO_PI*(t+ph))); | |
} | |
void show(){ | |
stroke(255); | |
fill(255); | |
ellipse(x(0),y(0),5,5); | |
} | |
} | |
int n = 75; | |
Dot[] array = new Dot[n]; | |
void setup(){ | |
size(500,500,P3D); | |
result = new int[width*height][3]; | |
noise = new OpenSimplexNoise(); | |
for(int i=0;i<n;i++){ | |
array[i] = new Dot(); | |
} | |
} | |
int m = 100; | |
float offset_factor = 3.0; | |
float swmax = 5; | |
void draw_(){ | |
background(0); | |
push(); | |
translate(width/2,height/2); | |
stroke(255,50); | |
for(int i=0;i<n;i++){ | |
for(int j=0;j<i;j++){ | |
float d = 1.0*dist(array[i].x(0),array[i].y(0),array[j].x(0),array[j].y(0))/(1.0*width); | |
float sw = constrain(map(d*width,0,0.15*width,swmax,0),0,swmax); | |
strokeWeight(sw); | |
for(int k=0;k<=m;k++){ | |
float tt = 1.0*k/m; | |
float xx = lerp(array[i].x(-d*offset_factor*tt),array[j].x(-d*offset_factor*(1-tt)),tt); | |
float yy = lerp(array[i].y(-d*offset_factor*tt),array[j].y(-d*offset_factor*(1-tt)),tt); | |
point(xx,yy,-1); | |
} | |
} | |
} | |
for(int i=0;i<n;i++){ | |
array[i].show(); | |
} | |
pop(); | |
} |
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