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 +1,54 @@
+import processing.opengl.*;
+
+import mathematik.*;
+
+import teilchen.Particle;
+import teilchen.Physics;
+import teilchen.force.Gravity;
+
+/**
+ * this sketch show how to create a particle system with a single particle in it.
+ */
+
+Physics mPhysics;
+
+Particle mParticle;
+
+void setup() {
+  size(640, 480, OPENGL);
+  smooth();
+  frameRate(30);
+
+  /* create a particle system */
+  mPhysics = new Physics();
+
+  /* create a gravitational force */
+  Gravity mGravity = new Gravity();
+  /* the direction of the gravity is defined by the 'force' vector */
+  mGravity.force().set(0, 30, 0);
+  /* forces, like gravity or any other force, can be added to the system. they will be automatically applied to all particles */
+  mPhysics.add(mGravity);
+
+  /* create a particle and add it to the system */
+  mParticle = mPhysics.makeParticle();
+}
+
+void draw() {
+  /* update the particle system. this applies the gravity to the particle */
+  final float mDeltaTime = 1.0 / frameRate;
+  mPhysics.step(mDeltaTime);
+
+  /* draw particle */
+  background(255);
+  stroke(0, 127);
+  fill(0, 32);
+  ellipse(mParticle.position().x, mParticle.position().y, 12, 12);
+
+  /* reset particle s position and velocity */
+  if (mousePressed) {
+    mParticle.position().set(mouseX, mouseY);
+    mParticle.velocity().set(mouseX - pmouseX, mouseY - pmouseY);
+    mParticle.velocity().scale(10);
+  }
+}
+