Created
April 11, 2019 18:38
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// Processing code by Etienne JACOB | |
// motion blur template by beesandbombs | |
// opensimplexnoise code in another tab might be necessary | |
// --> code here : https://gist.github.com/Bleuje/fce86ef35b66c4a2b6a469b27163591e | |
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###.gif"); | |
println(frameCount,"/",numFrames); | |
if (frameCount==numFrames) | |
exit(); | |
} | |
} | |
////////////////////////////////////////////////////////////////////////////// | |
int samplesPerFrame = 5; | |
int numFrames = 45; | |
float shutterAngle = .9; | |
boolean recording = true; | |
OpenSimplexNoise noise; | |
float border = 150; | |
int n = 130; | |
int m = 170; | |
float l = 200; | |
float SEED; | |
void setup(){ | |
size(600,600,P2D); | |
result = new int[width*height][3]; | |
noise = new OpenSimplexNoise(); | |
SEED = random(10,1000); | |
} | |
void draw_(){ | |
background(0); | |
push(); | |
translate(width/2,height/2); | |
randomSeed(10); | |
for(int i=0;i<n;i++){ | |
for(int j=0;j<m;j++){ | |
float x = map(i,0,n-1,-2.5*width,2.5*width); | |
float p = map(j+6*t,0,m-1,0,1); | |
float z = map(p,0,1,600,-1150); | |
if(-z+zdist>0){ | |
float y = -3000*pow(p,3.0)+50; | |
float nrad = 0.8; | |
float phase = -20*p; | |
float pp = 4*pow(constrain(p-0.1,0,1),2.0); | |
float dx = pp*0.75*l*(float)noise.eval(SEED + 0.006*x,nrad*cos(TWO_PI*t - phase),nrad*sin(TWO_PI*t - phase),3*p); | |
float dz = pp*0.75*l*(float)noise.eval(2*SEED + 0.006*x,nrad*cos(TWO_PI*t - phase),nrad*sin(TWO_PI*t - phase),3*p); | |
PVector proj2 = projection(x+dx,y,z+dz); | |
strokeWeight(1+1000*proj2.z); | |
stroke(255,255); | |
point(proj2.x,proj2.y); | |
} | |
} | |
} | |
pop(); | |
} | |
float zdist = 400; | |
PVector projection(float x,float y,float z){ | |
float xx = 250*x/(-z+zdist); | |
float yy = 250*y/(-z+zdist); | |
return new PVector(xx,yy,1/(-z+zdist)); | |
} |
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