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tildebytetildebyte
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- Ignore stuff.
 - Add inexplicably missing file from **formula** sketch. - Add `peasycam` example. - Add port of Pearson's Traer Cloth demo.
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‎.gitignore

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@@ -214,3 +214,6 @@ pip-log.txt
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#Mr Developer
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.mr.developer.cfg
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*.class
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HYPE examples/
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Circle_test/test.pyde
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test/test.pyde

‎HelloPeasy/HelloPeasy.pde

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import peasy.*;
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PeasyCam cam;
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void setup() {
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size(200,200,P3D);
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cam = new PeasyCam(this, 100);
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cam.setMinimumDistance(50);
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cam.setMaximumDistance(500);
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}
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void draw() {
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rotateX(-.5);
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rotateY(-.5);
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background(0);
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fill(255,0,0);
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box(30);
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pushMatrix();
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translate(0,0,20);
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fill(0,0,255);
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box(5);
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popMatrix();
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}
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‎HelloPeasy/HelloPeasy.pyde

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from peasy import PeasyCam
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def setup():
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size(200, 200, P3D)
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cam = PeasyCam(this, 100)
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cam.setMinimumDistance(50)
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cam.setMaximumDistance(500)
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def draw():
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rotateX(-0.5)
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rotateY(-0.5)
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background(0)
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fill(255, 0, 0)
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box(30)
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with pushMatrix():
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translate(0, 0, 20)
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fill(0, 0, 255)
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box(5)

‎Pearson_Traer_cloth/Pearson_Traer_cloth.pde

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import traer.physics.Particle;
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import traer.physics.ParticleSystem;
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import traer.physics.Vector3D;
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float angnoise;
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float radiusnoise;
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float angle = -1.570796F;
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float radius;
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ParticleSystem physics;
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Particle[][] particles;
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int gridSizeX = 125;
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int gridSizeY = 75;
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int gridMidX;
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int gridMidY;
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int moverX;
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int moverY;
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public void setup()
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{
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size(500, 300);
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smooth();
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frameRate(24.0F);
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strokeCap(4);
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gridMidX = (int)(gridSizeX / 2);
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gridMidY = (int)(gridSizeY / 2);
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restart();
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}
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public void restart()
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{
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background(255);
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angnoise = random(10.0F);
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radiusnoise = random(10.0F);
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physics = new ParticleSystem(0.0F, 0.01F);
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particles = new Particle[gridSizeY][gridSizeX];
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float f1 = width / gridSizeX;
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float f2 = height / gridSizeY;
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float f3 = f1 / 2.0F;
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moverX = (int)(random(gridSizeX));
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moverY = (int)(random(gridSizeY));
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for (int i = 0; i < gridSizeY; i++) {
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for (int j = 0; j < gridSizeX; j++) {
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particles[i][j] = physics.makeParticle(0.2F, j * f1 + f3, i * f2, 0.0F);
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}
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}
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for (int i = 0; i < gridSizeX; i++) {
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for (int j = 1; j < gridSizeY; j++)
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{
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physics.makeSpring(particles[(j - 1)][i], particles[j][i], 8.0F, 0.5F, f2);
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if (i > 0) {
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physics.makeSpring(particles[j][(i - 1)], particles[j][i], 8.0F, 0.5F, f1);
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}
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}
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}
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}
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public void clearBackground()
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{
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fill(255, 15.0F);
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noStroke();
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rect(0.0F, 0.0F, width, height);
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}
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public void draw()
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{
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physics.tick(0.15F);
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if (frameCount % 100 == 0)
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{
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moverX = (int)(random(gridSizeX));
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moverY = (int)(random(gridSizeY));
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}
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clearBackground();
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stroke(0, 5.0F);
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radiusnoise += 0.02F;
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radius = (noise(radiusnoise) * 400.0F + 100.0F);
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angnoise += 0.01F;
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angle += noise(angnoise) * 10.0F - 5.0F;
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if (angle > 360.0F) {
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angle -= 360.0F;
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}
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if (angle < 0.0F) {
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angle += 360.0F;
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}
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float f1 = radians(angle);
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float f2 = 250.0F + radius * cos(f1);
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float f3 = 150.0F + radius * sin(f1);
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Particle localParticle = particles[moverY][moverX];
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localParticle.position().set(f2, f3, 0.0F);
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localParticle.velocity().set(150.0F, 150.0F, 0.0F);
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noFill();
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for (int i = 0; i < gridSizeY; i++)
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{
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beginShape();
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for (int j = 0; j < gridSizeX; j++) {
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if (particles[i][j] != localParticle) {
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curveVertex(particles[i][j].position().x(), particles[i][j].position().y());
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}
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}
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endShape();
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}
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for (int i = 0; i < gridSizeX; i++)
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{
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beginShape();
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for (int j = 0; j < gridSizeY; j++) {
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if (particles[j][i] != localParticle) {
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curveVertex(particles[j][i].position().x(), particles[j][i].position().y());
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}
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}
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endShape();
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}
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}
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public void mousePressed()
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{
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restart();
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}

‎Pearson_Traer_cloth/Pearson_Traer_cloth.pyde

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from traer.physics import ParticleSystem
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from traer.physics import Particle
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from traer.physics import Vector3D
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angNoise = None
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radiusNoise = None
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angle = -1.570796
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radius = None
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physics = None
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particles = None
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gridSizeX = 125
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gridSizeY = 75
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gridMidX = (gridSizeX / 2.0)
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gridMidY = (gridSizeY / 2.0)
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moverX = None
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moverY = None
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def setup():
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size(500, 300)
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smooth()
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frameRate(24)
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strokeCap(4)
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restart()
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def restart():
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background(255)
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angNoise = random(10)
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radiusNoise = random(10)
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physics = ParticleSystem(0, 0.01)
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forceWidth = width / gridSizeX
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forceHeight = height / gridSizeY
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forceWidthHalf = forceWidth / 2.0
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moverX = int(random(gridSizeX))
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moverY = int(random(gridSizeY))
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particles = [[physics.makeParticle(0.2,
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x * forceWidth + forceWidthHalf,
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y * forceHeight, 0)
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for x in range(gridSizeX)]
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for y in range(gridSizeY)]
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for particleList in particles:
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for particle in particleList:
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if particleList.index(particle) == 0:
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physics.makeSpring(particles[particles.index(particleList) - 1][0],
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particle,
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8, 0.5, forceHeight)
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else:
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physics.makeSpring(particleList[particleList.index(particle) - 1],
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particle,
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8, 0.5, forceWidth)
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def clearBackground():
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fill(255, 15)
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noStroke()
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rect(0, 0, width, height)
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def draw():
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physics.tick(0.15)
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if frameCount % 100 == 0:
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moverX = int(random(gridSizeX))
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moverY = int(random(gridSizeY))
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clearBackground()
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stroke(0, 5)
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radiusNoise += 0.02
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radius = (noise(radiusNoise) * 400) + 100
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angNoise += 0.01
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angle += (noise(angNoise) * 10) - 5
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if angle > 360:
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angle -= 360
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if angle < 0:
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angle += 360
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forceWidth = radians(angle)
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forceHeight = 250 + radius * cos(forceWidth)
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forceWidthHalf = 150 + radius * sin(forceWidth)
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currentParticleList = particles[moverY]
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currentParticle = currentParticleList[moverX]
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currentParticle.position().set(forceHeight, forceWidthHalf, 0)
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currentParticle.velocity().set(150, 150, 0)
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noFill()
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for particleList in particles:
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with beginShape():
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for particle in particleList:
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if particle is not currentParticle:
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curveVertex(particle.position().x(),
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particle.position().y())
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for index in range(len(particles[0])): # The length of one list
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with beginShape():
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for particleList in particles:
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if particleList is not currentParticleList:
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curveVertex(particleList[index].position().x(),
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particleList[index].position().y())
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def mousePressed():
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restart()

‎formula/tentacle.py

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from segment import Segment
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class Tentacle(object):
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'''A Tentacle made of Segments.
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'''
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# Factor to determine the distance between Segments.
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AltitudeOffset = 1
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def __init__(self, timeOffset, palette):
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self.timeOffset = timeOffset
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self.palette = palette
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self.segments = [Segment(i, i, # Second `i` is tickOffset.
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Tentacle.AltitudeOffset * i + i,
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self.palette[i])
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for i in range(5)]
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def update(self, time, Tick, sphereRadius):
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for segment in self.segments:
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segment.calc((time - self.timeOffset) -
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(segment.tickOffset * Tick),
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sphereRadius)
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# Don't try to draw the last segment.
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if segment.id is not len(self.segments) - 1:
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# Draw to the next segment.
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segment.drawSelf(self.segments[segment.id + 1])

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