day3 (german!) libs

2015-03-04 09:41:41 +01:00
parent 6b37eb529e
commit e772172cbc
133 changed files with 18241 additions and 0 deletions
@@ -0,0 +1,91 @@
+import processing.opengl.*;
+
+import mathematik.Vector3f;
+
+import teilchen.Particle;
+import teilchen.Physics;
+import teilchen.constraint.Box;
+import teilchen.force.Gravity;
+import teilchen.force.Spring;
+import teilchen.force.ViscousDrag;
+import teilchen.util.CollisionManager;
+
+static final float PARTICLE_SIZE = 12;
+
+CollisionManager mCollision;
+
+Physics mPhysics;
+
+void setup() {
+  size(640, 480, OPENGL);
+  smooth();
+  frameRate(30);
+  noFill();
+  ellipseMode(CENTER);
+
+  mCollision = new CollisionManager();
+  mCollision.distancemode(CollisionManager.DISTANCE_MODE_FIXED);
+  mCollision.minimumDistance(50);
+
+  mPhysics = new Physics();
+  mPhysics.add(new ViscousDrag(0.85f));
+  mPhysics.add(new Gravity());
+
+  Box myBox = new Box();
+  myBox.min().set(50, 50, 0);
+  myBox.max().set(width - 50, height - 50, 0);
+  myBox.coefficientofrestitution(0.7f);
+  myBox.reflect(true);
+  mPhysics.add(myBox);
+
+  /* create a first particle */
+  final Particle myParticle = mPhysics.makeParticle(new Vector3f(mouseX, mouseY, 0), 10);
+  mCollision.collision().add(myParticle);
+}
+
+void draw() {
+  /* create particles */
+  if (mousePressed) {
+    final Particle myParticle = mPhysics.makeParticle(new Vector3f(mouseX, mouseY, 0), 10);
+    mCollision.collision().add(myParticle);
+  }
+
+  /* collision handler */
+  final float mDeltaTime = 1.0 / frameRate;
+  mCollision.createCollisionResolvers();
+  mCollision.loop(mDeltaTime);
+  mPhysics.step(mDeltaTime);
+
+  /* draw */
+  background(255);
+  drawThings();
+
+  mCollision.removeCollisionResolver();
+}
+
+void drawThings() {
+  /* collision springs */
+  noFill();
+  stroke(255, 0, 127, 64);
+  for (int i = 0; i < mCollision.collision().forces().size(); ++i) {
+    if (mCollision.collision().forces().get(i) instanceof Spring) {
+      Spring mySpring = (Spring)mCollision.collision_forces().get(i);
+      line(mySpring.a().position().x, mySpring.a().position().y, mySpring.a().position().z,
+      mySpring.b().position().x, mySpring.b().position().y, mySpring.b().position().z);
+    }
+  }
+
+  /* particles */
+  fill(245);
+  stroke(164);
+  for (int i = 0; i < mPhysics.particles().size(); ++i) {
+    Particle myParticle = mPhysics.particles().get(i);
+    pushMatrix();
+    translate(myParticle.position().x, myParticle.position().y, myParticle.position().z);
+    ellipse(0, 0,
+    PARTICLE_SIZE,
+    PARTICLE_SIZE);
+    popMatrix();
+  }
+}
+