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noise box
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// by davey @beesandbombs | |
float[][] result; | |
float t, c; | |
float ease(float p) { | |
p = c01(p); | |
return 3*p*p - 2*p*p*p; | |
} | |
float ease(float p, float g) { | |
p = c01(p); | |
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); | |
t %= 1; | |
draw_(); | |
loadPixels(); | |
for (int i=0; i<pixels.length; i++) { | |
result[i][0] += sq(red(pixels[i])/255.0); | |
result[i][1] += sq(green(pixels[i])/255.0); | |
result[i][2] += sq(blue(pixels[i])/255.0); | |
} | |
} | |
loadPixels(); | |
for (int i=0; i<pixels.length; i++) | |
pixels[i] = color(255*sqrt(result[i][0]/samplesPerFrame), | |
255*sqrt(result[i][1]/samplesPerFrame), | |
255*sqrt(result[i][2]/samplesPerFrame)); | |
updatePixels(); | |
saveFrame("f###.png"); | |
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 = 144; | |
float shutterAngle = .6; | |
boolean recording = false, | |
preview = true; | |
void setup() { | |
size(750, 750, P3D); | |
smooth(8); | |
rectMode(CENTER); | |
pixelDensity(recording ? 1 : 2); | |
result = new float[width*height][3]; | |
fill(32); | |
noStroke(); | |
ortho(); | |
} | |
float x, y, z, tt; | |
int N = 12; | |
float l, L = 16; | |
float qq; | |
float ascent; | |
float noiseScale = 0.006, noiseAmt = 2; | |
color RED = #d02030, BLACK = #202020, WHITE = #fafafa; | |
void draw_() { | |
background(RED); | |
push(); | |
translate(width/2, height/2); | |
scale(.7); | |
rotateX(-ia); | |
rotateY(-QUARTER_PI); | |
for (int a=-N; a<N; a++) { | |
z = a*L; | |
push(); | |
translate(0, 0, z); | |
for (int i=-N; i<N; i++) { | |
for (int j=-N; j<N; j++) { | |
x = (i+.5)*L; | |
y = (j+.5)*L; | |
tt = (t + 2*noiseAmt - noiseAmt*noise(noiseScale*x+123, noiseScale*y+234, noiseScale*z+345))%1; | |
if (tt <= .25) { | |
qq = ease(4*tt); | |
fill(lerpColor(RED, BLACK, qq)); | |
l = L*qq; | |
ascent = 0; | |
} else { | |
qq = (map(tt, .25, 1, 0, 1)); | |
fill(lerpColor(BLACK, WHITE, ease(qq))); | |
l = L*(1-ease(qq)); | |
ascent = -180*sq(qq); | |
} | |
push(); | |
translate(x, y+40+ascent); | |
box(l); | |
pop(); | |
} | |
} | |
pop(); | |
} | |
pop(); | |
} |
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