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 +1,73 @@
+import mathematik.*;
+
+import teilchen.BehaviorParticle;
+import teilchen.Physics;
+import teilchen.behavior.Arrival;
+
+
+/**
+ * this sketch shows how to assign an 'arrival' behavior to a particle.
+ */
+Physics mPhysics;
+
+BehaviorParticle mParticle;
+
+Arrival mArrival;
+
+void setup() {
+  size(640, 480, OPENGL);
+  smooth();
+  frameRate(120);
+  colorMode(RGB, 1.0f);
+  noFill();
+
+  /* physics */
+  mPhysics = new Physics();
+
+  /* create particles */
+  mParticle = mPhysics.makeParticle(BehaviorParticle.class);
+  mParticle.maximumInnerForce(100);
+
+  /* create arrival behavior */
+  mArrival = new Arrival();
+  mArrival.breakforce(mParticle.maximumInnerForce() * 0.25f);
+  mArrival.breakradius(mParticle.maximumInnerForce() * 0.25f);
+  mParticle.behaviors().add(mArrival);
+}
+
+void draw() {
+
+  /* set the arrival position to the mouse position */
+  mArrival.position().set(mouseX, mouseY);
+
+  /* update particle system */
+  mPhysics.step(1.0f / frameRate);
+
+  /* draw behavior particle */
+  background(1);
+  stroke(0, 0.5f);
+  if (mArrival.arriving()) {
+    /* color particle red while it is arriving */
+    stroke(1, 0, 0, 0.5f);
+  }
+  if (mArrival.arrived()) {
+    /* color particle green when it has arrived */
+    stroke(0, 1, 0, 0.5f);
+  }
+
+  line(mParticle.position().x, 
+  mParticle.position().y, 
+  mParticle.position().x + mParticle.velocity().x, 
+  mParticle.position().y + mParticle.velocity().y);
+  fill(1);
+  ellipse(mParticle.position().x, mParticle.position().y, 12, 12);
+
+  /* draw arrival */
+  stroke(0, 0.25f);
+  noFill();
+  ellipse(mArrival.position().x, 
+  mArrival.position().y, 
+  mArrival.breakradius() * 2, 
+  mArrival.breakradius() * 2);
+}
+