//Copyright (c) 2014, Jesús Martín Berlanga. All rights reserved.
//Distributed under the BSD licence. Read "com/jme3/ai/license.txt".
package steeringDemos.demos;
import com.jme3.ai.agents.Agent;
import com.jme3.ai.agents.behaviors.npc.steering.SeparationBehavior;
import com.jme3.ai.agents.behaviors.npc.SimpleMainBehavior;
import com.jme3.ai.agents.behaviors.npc.steering.CompoundSteeringBehavior;
import com.jme3.ai.agents.behaviors.npc.steering.ObstacleAvoidanceBehavior;
import com.jme3.ai.agents.behaviors.npc.steering.QueuingBehavior;
import com.jme3.ai.agents.behaviors.npc.steering.SeekBehavior;
import com.jme3.ai.agents.util.GameEntity;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.material.Material;
import com.jme3.scene.Spatial;
import com.jme3.material.RenderState;
import com.jme3.math.FastMath;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Cylinder;
import steeringDemos.BasicDemo;
import steeringDemos.control.CustomSteerControl;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
/**
* Queuing demo
*
* @author Jesús Martín Berlanga
* @version 2.0.0
*/
public class QueuingDemo extends BasicDemo {
private SeekBehavior[] neighSeek;
private Agent[] neighbours;
public static void main(String[] args) {
QueuingDemo app = new QueuingDemo();
app.start();
}
@Override
public void simpleInitApp() {
this.steerControl = new CustomSteerControl(5, 5);
this.steerControl.setCameraSettings(getCamera());
this.steerControl.setFlyCameraSettings(getFlyByCamera());
//defining rootNode for brainsAppState processing
brainsAppState.setApp(this);
brainsAppState.setGameControl(this.steerControl);
this.numberNeighbours = 50;
Vector3f[] spawnArea = null;
ColorRGBA targetNewColor = new ColorRGBA(ColorRGBA.Cyan.r, ColorRGBA.Cyan.g, ColorRGBA.Cyan.b, 0.25f);
Agent target = this.createDoor("Door", targetNewColor, 0.28f);
brainsAppState.addAgent(target); //Add the target to the brainsAppState
this.setStats(
target,
this.targetMoveSpeed,
this.targetRotationSpeed,
this.targetMass,
this.targetMaxForce);
brainsAppState.getGameControl().spawn(target, new Vector3f(0, 0, 15));
SimpleMainBehavior targetMainB = new SimpleMainBehavior(target);
target.setMainBehavior(targetMainB);
this.neighbours = new Agent[this.numberNeighbours];
this.neighboursMoveSpeed *= 1.5f;
for (int i = 0; i < this.numberNeighbours; i++) {
this.neighbours[i] = this.createBoid("Neighbour " + i, this.neighboursColor, 0.11f);
brainsAppState.addAgent(this.neighbours[i]); //Add the neighbours to the brainsAppState
this.setStats(
neighbours[i],
this.neighboursMoveSpeed,
this.neighboursRotationSpeed,
this.neighboursMass,
this.neighboursMaxForce);
brainsAppState.getGameControl().spawn(this.neighbours[i], spawnArea);
}
List obstacles = new ArrayList();
obstacles.addAll(Arrays.asList(this.neighbours));
List wallObstacle = new ArrayList();
Vector3f[] spheresSpawnPositions = new Vector3f[]{
new Vector3f(1, 0, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0, 1, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-1, 0, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0, -1, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0.70710678118654752440084436210485f, 0.70710678118654752440084436210485f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-0.70710678118654752440084436210485f, 0.70710678118654752440084436210485f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0.70710678118654752440084436210485f, -0.70710678118654752440084436210485f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-0.70710678118654752440084436210485f, -0.70710678118654752440084436210485f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0.92387953251128675612818318939679f, 0.3826834323650897717284599840304f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-0.92387953251128675612818318939679f, 0.3826834323650897717284599840304f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0.92387953251128675612818318939679f, -0.3826834323650897717284599840304f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-0.92387953251128675612818318939679f, -0.3826834323650897717284599840304f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0.3826834323650897717284599840304f, 0.92387953251128675612818318939679f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-0.3826834323650897717284599840304f, 0.92387953251128675612818318939679f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(0.3826834323650897717284599840304f, -0.92387953251128675612818318939679f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),
new Vector3f(-0.3826834323650897717284599840304f, -0.92387953251128675612818318939679f, 0).mult(0.28f).add(new Vector3f(0, 0, 15)),};
for (int i = 0; i < 16; i++) {
wallObstacle.add(this.createSphere("Door obstacle " + i, ColorRGBA.Orange, 0.075f));
this.setStats(
(Agent) wallObstacle.get(i),
this.neighboursMoveSpeed,
this.neighboursRotationSpeed,
this.neighboursMass,
this.neighboursMaxForce);
brainsAppState.getGameControl().spawn(wallObstacle.get(i), spheresSpawnPositions[i]);
SimpleMainBehavior mainB = new SimpleMainBehavior((Agent) wallObstacle.get(i));
((Agent) wallObstacle.get(i)).setMainBehavior(mainB);
}
SimpleMainBehavior[] neighboursMainBehavior = new SimpleMainBehavior[this.neighbours.length];
neighSeek = new SeekBehavior[this.neighbours.length];
for (int i = 0; i < this.neighbours.length; i++) {
neighboursMainBehavior[i] = new SimpleMainBehavior(this.neighbours[i]);
SeekBehavior extraSeek = new SeekBehavior(this.neighbours[i], new Vector3f(0, 0, 14.9f));
extraSeek.setupStrengthControl(0.35f);
this.neighSeek[i] = new SeekBehavior(this.neighbours[i], new Vector3f(0, 0, 15.17f));
SeparationBehavior separation = new SeparationBehavior(this.neighbours[i], obstacles, 0.13f);
separation.setupStrengthControl(0.25f);
ObstacleAvoidanceBehavior obstacleAvoid = new ObstacleAvoidanceBehavior(this.neighbours[i], wallObstacle, 1, 5);
// BalancedCompoundSteeringBehaviour steer = new BalancedCompoundSteeringBehaviour(this.neighbours[i]);
CompoundSteeringBehavior steer = new CompoundSteeringBehavior(this.neighbours[i]);
QueuingBehavior queue = new QueuingBehavior(this.neighbours[i], convertToAgents(obstacles), 1.5f);
SeparationBehavior queueSeparation = new SeparationBehavior(this.neighbours[i], obstacles, 0.25f);
queueSeparation.setupStrengthControl(0.01f); //1%
steer.addSteerBehavior(this.neighSeek[i]);
steer.addSteerBehavior(extraSeek);
steer.addSteerBehavior(obstacleAvoid);
steer.addSteerBehavior(queue);
steer.addSteerBehavior(queueSeparation);
steer.addSteerBehavior(separation, 1, 0.01f); //Highest layer => Highest priority
//Remove behaviour for testing purposes
steer.removeSteerBehavior(separation);
steer.removeSteerBehavior(this.neighSeek[i]);
steer.removeSteerBehavior(obstacleAvoid);
steer.removeSteerBehavior(extraSeek);
steer.removeSteerBehavior(queue);
steer.removeSteerBehavior(queueSeparation);
//Add then again
steer.addSteerBehavior(this.neighSeek[i]);
steer.addSteerBehavior(extraSeek);
steer.addSteerBehavior(obstacleAvoid);
steer.addSteerBehavior(queue);
steer.addSteerBehavior(queueSeparation);
steer.addSteerBehavior(separation, 1, 0.01f); //Highest layer => Highest priority
neighboursMainBehavior[i].addBehavior(steer);
this.neighbours[i].setMainBehavior(neighboursMainBehavior[i]);
}
brainsAppState.start();
}
private Agent createDoor(String name, ColorRGBA color, float radius) {
Node origin = new Node();
Cylinder mesh = new Cylinder(4, 20, radius, 0.01f, true);
Geometry geom = new Geometry("A shape", mesh);
origin.attachChild(geom);
Spatial doorSpatial = origin;
Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
mat.getAdditionalRenderState().setBlendMode(RenderState.BlendMode.Alpha);
mat.setColor("Color", color);
doorSpatial.setMaterial(mat);
return new Agent(name, doorSpatial);
}
@Override
public void simpleUpdate(float tpf) {
brainsAppState.update(tpf);
for (int i = 0; i < this.neighbours.length; i++) {
if (new Vector3f(0, 0, 15.17f).subtract(this.neighbours[i].getLocalTranslation()).length() < 0.15f) {
this.neighbours[i].setLocalTranslation(
((float) ((FastMath.nextRandomFloat() * 2) - 1)) * 5,
((float) ((FastMath.nextRandomFloat() * 2) - 1)) * 5,
((float) ((FastMath.nextRandomFloat() * 2) - 1)) * 5);
}
}
}
private List convertToAgents(List gameEntities) {
List agents = new ArrayList();
for (GameEntity gameEntity : gameEntities) {
if (gameEntity instanceof Agent) {
agents.add((Agent) gameEntity);
}
}
return agents;
}
}