Created
November 16, 2017 18:03
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OpenSimplexNoise noise; | |
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 = 1; | |
int numFrames = 80; | |
float shutterAngle = .8; | |
boolean recording = true; | |
void setup(){ | |
size(500,500); | |
result = new int[width*height][3]; | |
noise = new OpenSimplexNoise(); | |
} | |
int N = 40; | |
float b = 50; | |
float l = 10; | |
float scl = 0.01; | |
float r = 0.6; | |
void draw_(){ | |
background(0); | |
stroke(255); | |
strokeWeight(2); | |
for(int i=0;i<N;i++){ | |
for(int j=0;j<N;j++){ | |
float x = map(i,0,N-1,b,width-b); | |
float y = map(j,0,N-1,b,height-b); | |
float theta = 25*(float)noise.eval(scl*x,scl*y,r*cos(TWO_PI*t),r*sin(TWO_PI*t)); | |
float vx = l*cos(theta); | |
float vy = l*sin(theta); | |
float intensity = 0.1+1.5*ease(map((float)noise.eval(200+scl*x,scl*y,r*cos(TWO_PI*t),r*sin(TWO_PI*t)),-1,1,0,1),3.5); | |
vx*=intensity; | |
vy*=intensity; | |
line(x,y,x+vx,y+vy); | |
} | |
} | |
} |
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