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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 = 3; | |
int numFrames = 50; | |
float shutterAngle = 0.7; | |
boolean recording = true; | |
OpenSimplexNoise noise; | |
void setup(){ | |
size(600,600,P3D); | |
result = new int[width*height][3]; | |
noise = new OpenSimplexNoise(); | |
} | |
int m = 80; | |
int k = 30; | |
int kk = 30; | |
int turns = 5; | |
void draw_(){ | |
background(0); | |
push(); | |
translate(width/2,height/2); | |
rotate(HALF_PI); | |
scale(0.75); | |
//fill(255); | |
noFill(); | |
for(int i=0;i<m;i++){ | |
float p = 1.0*(i+1-t)/m; | |
float q = ease(min(min(15*p,1.0),2*(1-p)),1.5); | |
float theta = turns*TWO_PI*pow(p,0.5); | |
float r = 1.0*width/2*pow(p,0.5); | |
float x = r*cos(theta); | |
float y = r*sin(theta); | |
float sw = map((float)noise.eval(100*p,0),-1,1,0.75,2.75); | |
strokeWeight(sw); | |
float qq = ease(min(min(60*p,1.0),10*(1-p)),1.5); | |
stroke(255,100*qq); | |
push(); | |
translate(x,y); | |
rotate(-10*TWO_PI*p); | |
for(int ii=1;ii<=kk;ii++){ | |
beginShape(); | |
for(int j=0;j<k;j++){ | |
float th = TWO_PI*j/k; | |
float rad = 0.5; | |
float rr = q*24*ii/kk*map((float)noise.eval(rad*cos(th),rad*sin(th),200*p,0.3*ii),-1,1,0.5,1.5); | |
float xx = rr*cos(th); | |
float yy = rr*sin(th); | |
vertex(xx,yy); | |
} | |
endShape(CLOSE); | |
} | |
pop(); | |
} | |
pop(); | |
} |
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