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Pendulums.java
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/
Pendulums.java
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import processing.core.*;
import org.jbox2d.util.nonconvex.*;
import org.jbox2d.dynamics.contacts.*;
import org.jbox2d.testbed.*;
import org.jbox2d.collision.*;
import org.jbox2d.common.*;
import org.jbox2d.dynamics.joints.*;
import org.jbox2d.p5.*;
import org.jbox2d.dynamics.*;
public class Pendulums extends PApplet {
Physics physics;
public void setup() {
size(640, 480, P3D);
frameRate(60);
initScene();
//create();
}
public void draw() {
background(0);
MySwitch();
}
void MySwitch() {
if (keyPressed) {
if (key == '1') {
physics.createCircle(mouseX, mouseY, random(5, 10));
}
else if (key == '2') {
float sz = random(5, 10);
physics.createRect(mouseX - sz, mouseY - sz, mouseX + sz, mouseY + sz);
}
else {
physics.destroy();
initScene();
}
}
}
void initScene() {
float gravX = 3.0f;
float gravY = 10.0f;
float AABBWidth = 2*width;
float AABBHeight = 2*height;
float borderBoxWidth = width;
float borderBoxHeight = height;
float pixelsPerMeter = 30;
physics = new Physics(this, width, height, gravX, gravY, AABBWidth, AABBHeight, borderBoxWidth, borderBoxHeight, pixelsPerMeter);
physics.setDensity(1.0f);
}
}