Created
February 22, 2019 17:00
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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(); | |
} | |
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 = 240; | |
float shutterAngle = .6; | |
boolean recording = false, | |
preview = false; | |
void setup() { | |
size(750, 750, P3D); | |
smooth(8); | |
result = new int[width*height][3]; | |
strokeWeight(3); | |
} | |
float x, y, z, tt; | |
int N = 12; | |
float R = 200, r; | |
void surfaceCirc(float th, float ph) { | |
noFill(); | |
push(); | |
rotateY(th); | |
rotateX(ph); | |
r = map(cos(ph), 0, 1, 0, 40); | |
z = sqrt(R*R - r*r); | |
translate(0, 0, z); | |
circ(r); | |
pop(); | |
} | |
float pp, depth; | |
void circ(float r){ | |
beginShape(); | |
for(int i=0; i<120; i++){ | |
x = r*cos(TWO_PI*i/120); | |
y = r*sin(TWO_PI*i/120); | |
depth = map(modelZ(x,y,0),-R,R,0,1); | |
if(depth <= .5) | |
stroke(lerpColor(color(10*(in==0?1:0),10*(in==1?1:0),10*(in==2?1:0)), color(50*(in==0?1:0),90*(in==1?1:0),120*(in==2?1:0)), c01(2*depth+.15))); | |
else | |
stroke(lerpColor(color(50*(in==0?1:0),90*(in==1?1:0),120*(in==2?1:0)), color(250*(in==0?1:0),250*(in==1?1:0),250*(in==2?1:0)), 2*depth-1)); | |
vertex(x,y); | |
} | |
endShape(CLOSE); | |
} | |
void bubble(){ | |
for (int a=-10; a<10; a++) { | |
for (int i=0; i<N; i++) { | |
pp = map(a + 2*t, -7, 7, -1, 1); | |
if (pp>=-1 && pp<=1) { | |
if (pp>0) | |
pp = 1 - sq(1-pp); | |
else | |
pp = -(1 - sq(1+pp)); | |
pp *= HALF_PI; | |
surfaceCirc(TWO_PI*(i+.5*a)/N, pp); | |
} | |
} | |
} | |
} | |
PImage[] fs = new PImage[3]; | |
int in; | |
void draw_() { | |
background(10); | |
push(); | |
translate(width/2, height/2); | |
for(int i=0; i<3; i++){ | |
in = i; | |
background(0); | |
push(); | |
scale(1+.006*i); | |
bubble(); | |
pop(); | |
fs[i] = get(); | |
} | |
pop(); | |
background(10); | |
for(int i=0; i<3; i++){ | |
blend(fs[i],0,0,width,height,0,0,width,height,ADD); | |
} | |
} |
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