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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 softplus(float q,float p){ | |
float qq = q+p; | |
if(qq<=0){ | |
return 0; | |
} | |
if(qq>=2*p){ | |
return qq-p; | |
} | |
return 1/(4*p)*qq*qq; | |
} | |
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 = 52; | |
float shutterAngle = .9; | |
boolean recording = true; | |
OpenSimplexNoise noise; | |
int n1 = 30; | |
int n2 = 104; | |
int N = 8; | |
int K = n2/N; | |
float R = 300; | |
float Z = 3000; | |
PVector position(float r,float p,float theta){ | |
float turn = 2.1*p; | |
return new PVector(r*cos(theta+turn),r*sin(theta+turn)-pow((1-p),2.0)*2100+280,-Z*(1-p)-250); | |
} | |
class Thing{ | |
float seed = random(10,1000); | |
//float offset = random(-0.5,1.65); | |
float offset = 0.4+0.8*randomGaussian(); | |
int i,j; | |
float dist = random(800,1200); | |
Thing(int i_,int j_){ | |
i = i_; | |
j = j_; | |
} | |
float col = 300*pow(random(1),5.0); | |
float r(float p){ | |
return R - 50-400*pow(map((float)noise.eval(seed+2.0*p,0),-1,1,0,1),2.0); | |
} | |
float param(float p){ | |
return pow(1-constrain(3*p-offset,0,1),3.3); | |
} | |
float added_color(float p){ | |
return 900*pow(map((float)noise.eval(2*seed+2.5*p,0),-1,1,0,1),5.0); | |
} | |
void show(){ | |
for(int k=0;k<K;k++){ | |
float ind = j+(k+t)*N; | |
float minv = -0.75; | |
float maxv = 1.3; | |
float p0 = map(ind+0.5,0,n2,minv,maxv); | |
float p1 = map(ind,0,n2,minv,maxv); | |
float p2 = map(ind+1,0,n2,minv,maxv); | |
float theta0 = TWO_PI*(i+0.5)/n1; | |
float theta1 = TWO_PI*(i)/n1; | |
float theta2 = TWO_PI*(i+1)/n1; | |
float q = param(p0); | |
float d = dist*param(p0); | |
PVector v0 = position(r(p0)+d,p0,theta0); | |
PVector v1 = position(R+d,p1,theta1); | |
PVector v2 = position(R+d,p2,theta1); | |
PVector v3 = position(R+d,p2,theta2); | |
PVector v4 = position(R+d,p1,theta2); | |
float addlerp = 0.05; | |
v1.lerp(v0,constrain(q+addlerp,0,1)); | |
v2.lerp(v0,constrain(q+addlerp,0,1)); | |
v3.lerp(v0,constrain(q+addlerp,0,1)); | |
v4.lerp(v0,constrain(q+addlerp,0,1)); | |
stroke((80+1.0*added_color(p0))*(1-q)); | |
fill(0); | |
strokeWeight(1.25); | |
beginShape(); | |
vertex(v0.x,v0.y,v0.z); | |
vertex(v1.x,v1.y,v1.z); | |
vertex(v2.x,v2.y,v2.z); | |
endShape(CLOSE); | |
beginShape(); | |
vertex(v0.x,v0.y,v0.z); | |
vertex(v3.x,v3.y,v3.z); | |
vertex(v2.x,v2.y,v2.z); | |
endShape(CLOSE); | |
beginShape(); | |
vertex(v0.x,v0.y,v0.z); | |
vertex(v3.x,v3.y,v3.z); | |
vertex(v4.x,v4.y,v4.z); | |
endShape(CLOSE); | |
beginShape(); | |
vertex(v0.x,v0.y,v0.z); | |
vertex(v1.x,v1.y,v1.z); | |
vertex(v4.x,v4.y,v4.z); | |
endShape(CLOSE); | |
fill(238*(1*(1-q)-0)); | |
beginShape(); | |
vertex(v1.x,v1.y,v1.z); | |
vertex(v2.x,v2.y,v2.z); | |
vertex(v3.x,v3.y,v3.z); | |
vertex(v4.x,v4.y,v4.z); | |
endShape(CLOSE); | |
} | |
} | |
} | |
Thing[] array = new Thing[n1*N]; | |
void setup(){ | |
size(600,600,P3D); | |
result = new int[width*height][3]; | |
noise = new OpenSimplexNoise(); | |
int k=0; | |
for(int i=0;i<n1;i++){ | |
for(int j=0;j<N;j++){ | |
array[k] = new Thing(i,j); | |
k++; | |
} | |
} | |
} | |
void draw_(){ | |
background(0); | |
push(); | |
translate(width/2,height/2); | |
rotateZ(-0.5*HALF_PI); | |
translate(0,200,0); | |
for(int k=0;k<n1*N;k++){ | |
array[k].show(); | |
} | |
pop(); | |
} |
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