60 lines
1.1 KiB
Plaintext
60 lines
1.1 KiB
Plaintext
import teilchen.Physics;
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import teilchen.force.Spring;
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import teilchen.force.ViscousDrag;
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final int CANVAS_WIDTH = 500;
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final int CANVAS_HEIGHT = 500;
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final int NBR_CREATURES = 75;
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Physics physics;
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Spring spring;
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Creature t;
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Creature c;
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ArrayList<Creature> creatures = new ArrayList<Creature>();
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void setup() {
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size(CANVAS_WIDTH, CANVAS_HEIGHT);
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background(23, 68, 250);
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frameRate(30);
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physics = new Physics();
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// create a global drag
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ViscousDrag drag = new ViscousDrag();
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drag.coefficient = 0.25f;
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physics.add(drag);
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t = new TriangleCreature((int)random(width), (int)random(height), 20);
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c = new CircleCreature((int)random(width), (int)random(height), 20);
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physics.add(t); physics.add(c);
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spring = physics.makeSpring(t, c);
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spring.restlength(20);
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}
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void draw() {
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physics.step(1.0 / frameRate);
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background(23, 68, 250);
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stroke(255);
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noFill();
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c.display();
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t.display();
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stroke(255, 0, 0);
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line(c.position().x, c.position().y, t.position().x, t.position().y);
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}
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void mouseDragged() {
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spring.b().position().set(mouseX, mouseY);
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}
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