package com.xeiam.proprioceptron.jme.physics;
import com.jme3.app.Application;
import com.jme3.asset.AssetManager;
import com.jme3.asset.TextureKey;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.shapes.CollisionShape;
import com.jme3.bullet.collision.shapes.MeshCollisionShape;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.input.MouseInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.MouseButtonTrigger;
import com.jme3.light.AmbientLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.renderer.queue.RenderQueue.ShadowMode;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.Sphere;
import com.jme3.scene.shape.Sphere.TextureMode;
import com.jme3.texture.Texture;
/**
* @author normenhansen
*/
public class PhysicsTestHelper {
/**
* creates a simple physics test world with a floor, an obstacle and some test boxes
*
* @param rootNode
* @param assetManager
* @param space
*/
public static void createPhysicsTestWorld(Node rootNode, AssetManager assetManager, PhysicsSpace space) {
AmbientLight light = new AmbientLight();
light.setColor(ColorRGBA.LightGray);
rootNode.addLight(light);
Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
material.setTexture("ColorMap", assetManager.loadTexture("Textures/concrete_cracked.jpg"));
Box floorBox = new Box(20, 0.25f, 20);
Geometry floorGeometry = new Geometry("Floor", floorBox);
floorGeometry.setMaterial(material);
floorGeometry.setLocalTranslation(0, -2, 0);
// Plane plane = new Plane();
// plane.setOriginNormal(new Vector3f(0, 0.25f, 0), Vector3f.UNIT_Y);
// floorGeometry.addControl(new RigidBodyControl(new PlaneCollisionShape(plane), 0));
floorGeometry.addControl(new RigidBodyControl(0));
rootNode.attachChild(floorGeometry);
space.add(floorGeometry);
// movable boxes
for (int i = 0; i < 12; i++) {
Box box = new Box(0.25f, 0.25f, 0.25f);
Geometry boxGeometry = new Geometry("Box", box);
boxGeometry.setMaterial(material);
boxGeometry.setLocalTranslation(i, 5, -3);
// RigidBodyControl automatically uses box collision shapes when attached to single geometry with box mesh
boxGeometry.addControl(new RigidBodyControl(2));
rootNode.attachChild(boxGeometry);
space.add(boxGeometry);
}
// immovable sphere with mesh collision shape
Sphere sphere = new Sphere(8, 8, 1);
Geometry sphereGeometry = new Geometry("Sphere", sphere);
sphereGeometry.setMaterial(material);
sphereGeometry.setLocalTranslation(4, -4, 2);
sphereGeometry.addControl(new RigidBodyControl(new MeshCollisionShape(sphere), 0));
rootNode.attachChild(sphereGeometry);
space.add(sphereGeometry);
}
public static void createPhysicsTestWorldSoccer(Node rootNode, AssetManager assetManager, PhysicsSpace space) {
AmbientLight light = new AmbientLight();
light.setColor(ColorRGBA.LightGray);
rootNode.addLight(light);
Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
material.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
Box floorBox = new Box(140, 0.25f, 140);
Geometry floorGeometry = new Geometry("Floor", floorBox);
floorGeometry.setMaterial(material);
floorGeometry.setLocalTranslation(0, -0.25f, 0);
// Plane plane = new Plane();
// plane.setOriginNormal(new Vector3f(0, 0.25f, 0), Vector3f.UNIT_Y);
// floorGeometry.addControl(new RigidBodyControl(new PlaneCollisionShape(plane), 0));
floorGeometry.addControl(new RigidBodyControl(0));
rootNode.attachChild(floorGeometry);
space.add(floorGeometry);
// movable spheres
for (int i = 0; i < 5; i++) {
Sphere sphere = new Sphere(16, 16, .5f);
Geometry ballGeometry = new Geometry("Soccer ball", sphere);
ballGeometry.setMaterial(material);
ballGeometry.setLocalTranslation(i, 2, -3);
// RigidBodyControl automatically uses Sphere collision shapes when attached to single geometry with sphere mesh
ballGeometry.addControl(new RigidBodyControl(.001f));
ballGeometry.getControl(RigidBodyControl.class).setRestitution(1);
rootNode.attachChild(ballGeometry);
space.add(ballGeometry);
}
// immovable Box with mesh collision shape
Box box = new Box(1, 1, 1);
Geometry boxGeometry = new Geometry("Box", box);
boxGeometry.setMaterial(material);
boxGeometry.setLocalTranslation(4, 1, 2);
boxGeometry.addControl(new RigidBodyControl(new MeshCollisionShape(box), 0));
rootNode.attachChild(boxGeometry);
space.add(boxGeometry);
}
/**
* creates a box geometry with a RigidBodyControl
*
* @param assetManager
* @return
*/
public static Geometry createPhysicsTestBox(AssetManager assetManager) {
Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
material.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
Box box = new Box(0.25f, 0.25f, 0.25f);
Geometry boxGeometry = new Geometry("Box", box);
boxGeometry.setMaterial(material);
// RigidBodyControl automatically uses box collision shapes when attached to single geometry with box mesh
boxGeometry.addControl(new RigidBodyControl(2));
return boxGeometry;
}
/**
* creates a sphere geometry with a RigidBodyControl\
*
* @param assetManager
* @return
*/
public static Geometry createPhysicsTestSphere(AssetManager assetManager) {
Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
material.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
Sphere sphere = new Sphere(8, 8, 0.25f);
Geometry boxGeometry = new Geometry("Sphere", sphere);
boxGeometry.setMaterial(material);
// RigidBodyControl automatically uses sphere collision shapes when attached to single geometry with sphere mesh
boxGeometry.addControl(new RigidBodyControl(2));
return boxGeometry;
}
/**
* creates an empty node with a RigidBodyControl
*
* @param manager
* @param shape
* @param mass
* @return
*/
public static Node createPhysicsTestNode(AssetManager manager, CollisionShape shape, float mass) {
Node node = new Node("PhysicsNode");
RigidBodyControl control = new RigidBodyControl(shape, mass);
node.addControl(control);
return node;
}
/**
* creates the necessary inputlistener and action to shoot balls from teh camera
*
* @param app
* @param rootNode
* @param space
*/
public static void createBallShooter(final Application app, final Node rootNode, final PhysicsSpace space) {
ActionListener actionListener = new ActionListener() {
@Override
public void onAction(String name, boolean keyPressed, float tpf) {
Sphere bullet = new Sphere(32, 32, 0.4f, true, false);
bullet.setTextureMode(TextureMode.Projected);
Material mat2 = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
TextureKey key2 = new TextureKey("Textures/Terrain/Rock/Rock.PNG");
key2.setGenerateMips(true);
Texture tex2 = app.getAssetManager().loadTexture(key2);
mat2.setTexture("ColorMap", tex2);
if (name.equals("shoot") && !keyPressed) {
Geometry bulletg = new Geometry("bullet", bullet);
bulletg.setMaterial(mat2);
bulletg.setShadowMode(ShadowMode.CastAndReceive);
bulletg.setLocalTranslation(app.getCamera().getLocation());
RigidBodyControl bulletControl = new RigidBodyControl(1);
bulletg.addControl(bulletControl);
bulletControl.setLinearVelocity(app.getCamera().getDirection().mult(25));
bulletg.addControl(bulletControl);
rootNode.attachChild(bulletg);
space.add(bulletControl);
}
}
};
app.getInputManager().addMapping("shoot", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
app.getInputManager().addListener(actionListener, "shoot");
}
}