Created
August 12, 2020 17:01
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hexTickers.pde
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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)); | |
float c01(float g) { | |
return constrain(g, 0, 1); | |
} | |
void draw() { | |
if (recording) { | |
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("f###.gif"); | |
if (frameCount==numFrames) | |
exit(); | |
} else if (preview) { | |
c = mouseY*1.0/height; | |
if (mousePressed) | |
println(c); | |
t = (millis()/(20.0*numFrames))%1; | |
draw_(); | |
} else { | |
t = mouseX*1.0/width; | |
c = mouseY*1.0/height; | |
if (mousePressed) | |
println(c); | |
draw_(); | |
} | |
} | |
////////////////////////////////////////////////////////////////////////////// | |
int samplesPerFrame = 4; | |
int numFrames = 330; | |
float shutterAngle = 1; | |
boolean recording = false, | |
preview = true; | |
void setup() { | |
size(866, 750, P3D); | |
smooth(8); | |
rectMode(CENTER); | |
pixelDensity(recording ? 1 : 2); | |
result = new int[width*height][3]; | |
fill(255); | |
noStroke(); | |
} | |
float x, y, z, tt; | |
int N = 10; | |
float sp = 36, w, h, th, hexDist; | |
float maxDist = 249.5; | |
float easing = 4.5; | |
float wavelength = 2.5; | |
void draw_() { | |
background(30); | |
push(); | |
translate(width/2, height/2); | |
for (int a=-1; a<2; a++) { | |
for (int i=-N; i<N; i++) { | |
for (int j=-N; j<N; j++) { | |
x = i*sp; | |
y = (j+a*2/3.0)*mn*sp; | |
if (j%2 != 0) | |
x += .5*sp; | |
hexDist = max(abs(y), abs(mn*x + .5*y), abs(mn*x - .5*y))/maxDist; | |
if (hexDist <= 1) { | |
w = lerp(3, 4, sq(hexDist)); | |
h = lerp(sp/mn, w, sq(hexDist)); | |
tt = (t + 100 - hexDist/wavelength)%1; | |
th = TWO_PI*a/3; | |
for (int k=0; k<3; k++) { | |
th += TWO_PI/6*ease(c01(3*tt-k), easing); | |
} | |
push(); | |
translate(x, y); | |
rotate(th); | |
ellipse(0, 0, w, h); | |
pop(); | |
} | |
} | |
} | |
} | |
pop(); | |
} |
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