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72 lines
2.5 KiB
72 lines
2.5 KiB
13 years ago
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package jme3test.bullet;
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import com.jme3.app.SimpleApplication;
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import com.jme3.bullet.BulletAppState;
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import com.jme3.bullet.collision.PhysicsCollisionObject;
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import com.jme3.bullet.collision.PhysicsSweepTestResult;
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import com.jme3.bullet.collision.shapes.CapsuleCollisionShape;
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import com.jme3.bullet.control.RigidBodyControl;
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import com.jme3.math.Transform;
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import com.jme3.scene.Node;
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import java.util.List;
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/**
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*
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* A spatial moves and sweeps its next movement for obstacles before moving
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* there Run this example with Vsync enabled
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*
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* @author
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* @wezrule
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*/
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public class TestSweepTest extends SimpleApplication {
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private BulletAppState bulletAppState = new BulletAppState();
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private CapsuleCollisionShape obstacleCollisionShape = new CapsuleCollisionShape(0.3f, 0.5f);
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private CapsuleCollisionShape capsuleCollisionShape = new CapsuleCollisionShape(1f, 1f);
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private Node capsule;
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private Node obstacle;
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private float dist = .5f;
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public static void main(String[] args) {
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new TestSweepTest().start();
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}
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@Override
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public void simpleInitApp() {
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stateManager.attach(bulletAppState);
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capsule = new Node("capsule");
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capsule.addControl(new RigidBodyControl(capsuleCollisionShape, 1));
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capsule.getControl(RigidBodyControl.class).setKinematic(true);
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capsule.move(-2, 0, 0);
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bulletAppState.getPhysicsSpace().add(capsule);
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rootNode.attachChild(capsule);
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obstacle = new Node("obstacle");
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RigidBodyControl bodyControl = new RigidBodyControl(obstacleCollisionShape, 0);
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obstacle.move(2, 0, 0);
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obstacle.addControl(bodyControl);
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bulletAppState.getPhysicsSpace().add(obstacle);
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rootNode.attachChild(obstacle);
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bulletAppState.getPhysicsSpace().enableDebug(assetManager);
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}
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@Override
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public void simpleUpdate(float tpf) {
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float move = tpf * 1;
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List<PhysicsSweepTestResult> sweepTest = bulletAppState.getPhysicsSpace().sweepTest(capsuleCollisionShape, new Transform(capsule.getWorldTranslation()), new Transform(capsule.getWorldTranslation().add(dist, 0, 0)));
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if (sweepTest.size() > 0) {
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PhysicsSweepTestResult get = sweepTest.get(0);
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PhysicsCollisionObject collisionObject = get.getCollisionObject();
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fpsText.setText("Almost colliding with " + collisionObject.getUserObject().toString());
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} else {
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// if the sweep is clear then move the spatial
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capsule.move(move, 0, 0);
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}
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}
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}
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