sine shine
| 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)); | |
| 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###.png"); | |
| 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 = .5; | |
| boolean recording = false, | |
| preview = true; | |
| void setup() { | |
| size(750, 750, P3D); | |
| smooth(8); | |
| rectMode(CENTER); | |
| pixelDensity(recording ? 1 : 2); | |
| result = new int[width*height][3]; | |
| noFill(); | |
| blendMode(SCREEN); | |
| } | |
| float x, y, z, tt; | |
| int N = 720; | |
| float l = 360; | |
| float sw; | |
| float qq; | |
| color[] cs = {#ff0000, #00ff00, #0000ff}; | |
| void draw_() { | |
| background(10); | |
| push(); | |
| translate(width/2, height/2); | |
| for (int q=0; q<3; q++) { | |
| stroke(cs[q]); | |
| for (int a=0; a<24; a++) { | |
| beginShape(); | |
| for (int i=0; i<N; i++) { | |
| qq = i/float(N-1); | |
| x = lerp(-l/2, l/2, qq); | |
| y = l/2*sin(PI*qq - TWO_PI*t/3 + TWO_PI*a/24); | |
| sw = map(cos(-TWO_PI*t/3 + TWO_PI*t + TWO_PI*a/24 + PI/4*q), 1, -1, 0, 1); | |
| strokeWeight(lerp(0, 8, sq(sw))); | |
| vertex(x, y); | |
| } | |
| endShape(); | |
| } | |
| } | |
| pop(); | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment