/*
* Copyright (c) 2009-2017 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jme3test.games;
import com.jme3.app.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.PhysicsCollisionEvent;
import com.jme3.bullet.collision.PhysicsCollisionListener;
import com.jme3.bullet.collision.shapes.BoxCollisionShape;
import com.jme3.bullet.collision.shapes.CompoundCollisionShape;
import com.jme3.bullet.collision.shapes.SphereCollisionShape;
import com.jme3.bullet.control.GhostControl;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.font.BitmapText;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.FastMath;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.post.FilterPostProcessor;
import com.jme3.renderer.queue.RenderQueue.ShadowMode;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.Sphere;
import com.jme3.shadow.DirectionalLightShadowFilter;
import java.util.concurrent.Callable;
/**
* Physics based marble game.
*
* @author SkidRunner (Mark E. Picknell)
*/
public class RollingTheMonkey extends SimpleApplication implements ActionListener, PhysicsCollisionListener {
private static final String TITLE = "Rolling The Monkey";
private static final String MESSAGE = "Thanks for Playing!";
private static final String INFO_MESSAGE = "Collect all the spinning cubes!\nPress the 'R' key any time to reset!";
private static final float PLAYER_DENSITY = 1200; // OLK(Java LOL) = 1200, STEEL = 8000, RUBBER = 1000
private static final float PLAYER_REST = 0.1f; // OLK = 0.1f, STEEL = 0.0f, RUBBER = 1.0f I made these up.
private static final float PLAYER_RADIUS = 2.0f;
private static final float PLAYER_ACCEL = 1.0f;
private static final float PICKUP_SIZE = 0.5f;
private static final float PICKUP_RADIUS = 15.0f;
private static final int PICKUP_COUNT = 16;
private static final float PICKUP_SPEED = 5.0f;
private static final float PLAYER_VOLUME = (FastMath.pow(PLAYER_RADIUS, 3) * FastMath.PI) / 3; // V = 4/3 * PI * R pow 3
private static final float PLAYER_MASS = PLAYER_DENSITY * PLAYER_VOLUME;
private static final float PLAYER_FORCE = 80000 * PLAYER_ACCEL; // F = M(4m diameter steel ball) * A
private static final Vector3f PLAYER_START = new Vector3f(0.0f, PLAYER_RADIUS * 2, 0.0f);
private static final String INPUT_MAPPING_FORWARD = "INPUT_MAPPING_FORWARD";
private static final String INPUT_MAPPING_BACKWARD = "INPUT_MAPPING_BACKWARD";
private static final String INPUT_MAPPING_LEFT = "INPUT_MAPPING_LEFT";
private static final String INPUT_MAPPING_RIGHT = "INPUT_MAPPING_RIGHT";
private static final String INPUT_MAPPING_RESET = "INPUT_MAPPING_RESET";
public static void main(String[] args) {
RollingTheMonkey app = new RollingTheMonkey();
app.start();
}
private boolean keyForward;
private boolean keyBackward;
private boolean keyLeft;
private boolean keyRight;
private PhysicsSpace space;
private RigidBodyControl player;
private int score;
private Node pickUps;
BitmapText infoText;
BitmapText scoreText;
BitmapText messageText;
@Override
public void simpleInitApp() {
flyCam.setEnabled(false);
cam.setLocation(new Vector3f(0.0f, 12.0f, 21.0f));
viewPort.setBackgroundColor(new ColorRGBA(0.2118f, 0.0824f, 0.6549f, 1.0f));
// init physics
BulletAppState bulletState = new BulletAppState();
stateManager.attach(bulletState);
space = bulletState.getPhysicsSpace();
space.addCollisionListener(this);
// create light
DirectionalLight sun = new DirectionalLight();
sun.setDirection((new Vector3f(-0.7f, -0.3f, -0.5f)).normalizeLocal());
System.out.println("Here We Go: " + sun.getDirection());
sun.setColor(ColorRGBA.White);
rootNode.addLight(sun);
// create materials
Material materialRed = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
materialRed.setBoolean("UseMaterialColors",true);
materialRed.setBoolean("HardwareShadows", true);
materialRed.setColor("Diffuse", new ColorRGBA(0.9451f, 0.0078f, 0.0314f, 1.0f));
materialRed.setColor("Specular", ColorRGBA.White);
materialRed.setFloat("Shininess", 64.0f);
Material materialGreen = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
materialGreen.setBoolean("UseMaterialColors",true);
materialGreen.setBoolean("HardwareShadows", true);
materialGreen.setColor("Diffuse", new ColorRGBA(0.0431f, 0.7725f, 0.0078f, 1.0f));
materialGreen.setColor("Specular", ColorRGBA.White);
materialGreen.setFloat("Shininess", 64.0f);
Material logoMaterial = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
logoMaterial.setBoolean("UseMaterialColors",true);
logoMaterial.setBoolean("HardwareShadows", true);
logoMaterial.setTexture("DiffuseMap", assetManager.loadTexture("com/jme3/app/Monkey.png"));
logoMaterial.setColor("Diffuse", ColorRGBA.White);
logoMaterial.setColor("Specular", ColorRGBA.White);
logoMaterial.setFloat("Shininess", 32.0f);
Material materialYellow = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
materialYellow.setBoolean("UseMaterialColors",true);
materialYellow.setBoolean("HardwareShadows", true);
materialYellow.setColor("Diffuse", new ColorRGBA(0.9529f, 0.7843f, 0.0078f, 1.0f));
materialYellow.setColor("Specular", ColorRGBA.White);
materialYellow.setFloat("Shininess", 64.0f);
// create level spatial
// TODO: create your own level mesh
Node level = new Node("level");
level.setShadowMode(ShadowMode.CastAndReceive);
Geometry floor = new Geometry("floor", new Box(22.0f, 0.5f, 22.0f));
floor.setShadowMode(ShadowMode.Receive);
floor.setLocalTranslation(0.0f, -0.5f, 0.0f);
floor.setMaterial(materialGreen);
Geometry wallNorth = new Geometry("wallNorth", new Box(22.0f, 2.0f, 0.5f));
wallNorth.setLocalTranslation(0.0f, 2.0f, 21.5f);
wallNorth.setMaterial(materialRed);
Geometry wallSouth = new Geometry("wallSouth", new Box(22.0f, 2.0f, 0.5f));
wallSouth.setLocalTranslation(0.0f, 2.0f, -21.5f);
wallSouth.setMaterial(materialRed);
Geometry wallEast = new Geometry("wallEast", new Box(0.5f, 2.0f, 21.0f));
wallEast.setLocalTranslation(-21.5f, 2.0f, 0.0f);
wallEast.setMaterial(materialRed);
Geometry wallWest = new Geometry("wallWest", new Box(0.5f, 2.0f, 21.0f));
wallWest.setLocalTranslation(21.5f, 2.0f, 0.0f);
wallWest.setMaterial(materialRed);
level.attachChild(floor);
level.attachChild(wallNorth);
level.attachChild(wallSouth);
level.attachChild(wallEast);
level.attachChild(wallWest);
// The easy way: level.addControl(new RigidBodyControl(0));
// create level Shape
CompoundCollisionShape levelShape = new CompoundCollisionShape();
BoxCollisionShape floorShape = new BoxCollisionShape(new Vector3f(22.0f, 0.5f, 22.0f));
BoxCollisionShape wallNorthShape = new BoxCollisionShape(new Vector3f(22.0f, 2.0f, 0.5f));
BoxCollisionShape wallSouthShape = new BoxCollisionShape(new Vector3f(22.0f, 2.0f, 0.5f));
BoxCollisionShape wallEastShape = new BoxCollisionShape(new Vector3f(0.5f, 2.0f, 21.0f));
BoxCollisionShape wallWestShape = new BoxCollisionShape(new Vector3f(0.5f, 2.0f, 21.0f));
levelShape.addChildShape(floorShape, new Vector3f(0.0f, -0.5f, 0.0f));
levelShape.addChildShape(wallNorthShape, new Vector3f(0.0f, 2.0f, -21.5f));
levelShape.addChildShape(wallSouthShape, new Vector3f(0.0f, 2.0f, 21.5f));
levelShape.addChildShape(wallEastShape, new Vector3f(-21.5f, 2.0f, 0.0f));
levelShape.addChildShape(wallEastShape, new Vector3f(21.5f, 2.0f, 0.0f));
level.addControl(new RigidBodyControl(levelShape, 0));
rootNode.attachChild(level);
space.addAll(level);
// create Pickups
// TODO: create your own pickUp mesh
// create single mesh for all pickups
// HINT: think particles.
pickUps = new Node("pickups");
Quaternion rotation = new Quaternion();
Vector3f translation = new Vector3f(0.0f, PICKUP_SIZE * 1.5f, -PICKUP_RADIUS);
int index = 0;
float ammount = FastMath.TWO_PI / PICKUP_COUNT;
for(float angle = 0; angle < FastMath.TWO_PI; angle += ammount) {
Geometry pickUp = new Geometry("pickUp" + (index++), new Box(PICKUP_SIZE,PICKUP_SIZE, PICKUP_SIZE));
pickUp.setShadowMode(ShadowMode.CastAndReceive);
pickUp.setMaterial(materialYellow);
pickUp.setLocalRotation(rotation.fromAngles(
FastMath.rand.nextFloat() * FastMath.TWO_PI,
FastMath.rand.nextFloat() * FastMath.TWO_PI,
FastMath.rand.nextFloat() * FastMath.TWO_PI));
rotation.fromAngles(0.0f, angle, 0.0f);
rotation.mult(translation, pickUp.getLocalTranslation());
pickUps.attachChild(pickUp);
pickUp.addControl(new GhostControl(new SphereCollisionShape(PICKUP_SIZE)));
space.addAll(pickUp);
//space.addCollisionListener(pickUpControl);
}
rootNode.attachChild(pickUps);
// Create player
// TODO: create your own player mesh
Geometry playerGeometry = new Geometry("player", new Sphere(16, 32, PLAYER_RADIUS));
playerGeometry.setShadowMode(ShadowMode.CastAndReceive);
playerGeometry.setLocalTranslation(PLAYER_START.clone());
playerGeometry.setMaterial(logoMaterial);
// Store control for applying forces
// TODO: create your own player control
player = new RigidBodyControl(new SphereCollisionShape(PLAYER_RADIUS), PLAYER_MASS);
player.setRestitution(PLAYER_REST);
playerGeometry.addControl(player);
rootNode.attachChild(playerGeometry);
space.addAll(playerGeometry);
inputManager.addMapping(INPUT_MAPPING_FORWARD, new KeyTrigger(KeyInput.KEY_UP)
, new KeyTrigger(KeyInput.KEY_W));
inputManager.addMapping(INPUT_MAPPING_BACKWARD, new KeyTrigger(KeyInput.KEY_DOWN)
, new KeyTrigger(KeyInput.KEY_S));
inputManager.addMapping(INPUT_MAPPING_LEFT, new KeyTrigger(KeyInput.KEY_LEFT)
, new KeyTrigger(KeyInput.KEY_A));
inputManager.addMapping(INPUT_MAPPING_RIGHT, new KeyTrigger(KeyInput.KEY_RIGHT)
, new KeyTrigger(KeyInput.KEY_D));
inputManager.addMapping(INPUT_MAPPING_RESET, new KeyTrigger(KeyInput.KEY_R));
inputManager.addListener(this, INPUT_MAPPING_FORWARD, INPUT_MAPPING_BACKWARD
, INPUT_MAPPING_LEFT, INPUT_MAPPING_RIGHT, INPUT_MAPPING_RESET);
// init UI
infoText = new BitmapText(guiFont, false);
infoText.setText(INFO_MESSAGE);
guiNode.attachChild(infoText);
scoreText = new BitmapText(guiFont, false);
scoreText.setText("Score: 0");
guiNode.attachChild(scoreText);
messageText = new BitmapText(guiFont, false);
messageText.setText(MESSAGE);
messageText.setLocalScale(0.0f);
guiNode.attachChild(messageText);
infoText.setLocalTranslation(0.0f, cam.getHeight(), 0.0f);
scoreText.setLocalTranslation((cam.getWidth() - scoreText.getLineWidth()) / 2.0f,
scoreText.getLineHeight(), 0.0f);
messageText.setLocalTranslation((cam.getWidth() - messageText.getLineWidth()) / 2.0f,
(cam.getHeight() - messageText.getLineHeight()) / 2, 0.0f);
// init shadows
FilterPostProcessor processor = new FilterPostProcessor(assetManager);
DirectionalLightShadowFilter filter = new DirectionalLightShadowFilter(assetManager, 2048, 1);
filter.setLight(sun);
processor.addFilter(filter);
viewPort.addProcessor(processor);
}
@Override
public void simpleUpdate(float tpf) {
// Update and position the score
scoreText.setText("Score: " + score);
scoreText.setLocalTranslation((cam.getWidth() - scoreText.getLineWidth()) / 2.0f,
scoreText.getLineHeight(), 0.0f);
// Rotate all the pickups
float pickUpSpeed = PICKUP_SPEED * tpf;
for(Spatial pickUp : pickUps.getChildren()) {
pickUp.rotate(pickUpSpeed, pickUpSpeed, pickUpSpeed);
}
Vector3f centralForce = new Vector3f();
if(keyForward) centralForce.addLocal(cam.getDirection());
if(keyBackward) centralForce.addLocal(cam.getDirection().negate());
if(keyLeft) centralForce.addLocal(cam.getLeft());
if(keyRight) centralForce.addLocal(cam.getLeft().negate());
if(!Vector3f.ZERO.equals(centralForce)) {
centralForce.setY(0); // stop ball from pusing down or flying up
centralForce.normalizeLocal(); // normalize force
centralForce.multLocal(PLAYER_FORCE); // scale vector to force
player.applyCentralForce(centralForce); // apply force to player
}
cam.lookAt(player.getPhysicsLocation(), Vector3f.UNIT_Y);
}
@Override
public void onAction(String name, boolean isPressed, float tpf) {
switch(name) {
case INPUT_MAPPING_FORWARD:
keyForward = isPressed;
break;
case INPUT_MAPPING_BACKWARD:
keyBackward = isPressed;
break;
case INPUT_MAPPING_LEFT:
keyLeft = isPressed;
break;
case INPUT_MAPPING_RIGHT:
keyRight = isPressed;
break;
case INPUT_MAPPING_RESET:
enqueue(new Callable<Void>() {
@Override
public Void call() {
reset();
return null;
}
});
break;
}
}
@Override
public void collision(PhysicsCollisionEvent event) {
Spatial nodeA = event.getNodeA();
Spatial nodeB = event.getNodeB();
String nameA = nodeA == null ? "" : nodeA.getName();
String nameB = nodeB == null ? "" : nodeB.getName();
if(nameA.equals("player") && nameB.startsWith("pickUp")) {
GhostControl pickUpControl = nodeB.getControl(GhostControl.class);
if(pickUpControl != null && pickUpControl.isEnabled()) {
pickUpControl.setEnabled(false);
nodeB.removeFromParent();
nodeB.setLocalScale(0.0f);
score += 1;
if(score >= PICKUP_COUNT) {
messageText.setLocalScale(1.0f);
}
}
} else if(nameA.startsWith("pickUp") && nameB.equals("player")) {
GhostControl pickUpControl = nodeA.getControl(GhostControl.class);
if(pickUpControl != null && pickUpControl.isEnabled()) {
pickUpControl.setEnabled(false);
nodeA.setLocalScale(0.0f);
score += 1;
if(score >= PICKUP_COUNT) {
messageText.setLocalScale(1.0f);
}
}
}
}
private void reset() {
// Reset the pickups
for(Spatial pickUp : pickUps.getChildren()) {
GhostControl pickUpControl = pickUp.getControl(GhostControl.class);
if(pickUpControl != null) {
pickUpControl.setEnabled(true);
}
pickUp.setLocalScale(1.0f);
}
// Reset the player
player.setPhysicsLocation(PLAYER_START.clone());
player.setAngularVelocity(Vector3f.ZERO.clone());
player.setLinearVelocity(Vector3f.ZERO.clone());
// Reset the score
score = 0;
// Reset the message
messageText.setLocalScale(0.0f);
}
}