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Code Issues Releases Wiki Activity

implemented sight lines and beak fix

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This commit is contained in:
Enrico Fasoli 2015-07-05 16:42:11 +02:00
parent 61519e6cf3
commit 5798bce060
1 changed files with 60 additions and 34 deletions
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94
core/src/logic/Creature.java
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@ -14,18 +14,19 @@ import logic.neural.Brain;
*/ */
public class Creature extends Element { public class Creature extends Element {
public static final int default_radius = 20; public static final int default_radius = 20, maxHp = 100;
public static final float max_speed = 3; public static final float max_speed = 3, max_beak = default_radius / 4;
private Brain brain; private Brain brain;
private float dir, hp, speed, sightRange, fov, fitness, rotSpeed, beak; private float dir, hp, prevHp, speed, sightRange, fov, fitness, rotSpeed, beak;
private boolean eating = false, killing = false; private boolean eating = false, killing = false;
private Sight sight; private Sight sight;
public Creature(float x, float y) { public Creature(float x, float y) {
super(x, y, default_radius); super(x, y, default_radius);
dir = (float) (Math.random() * 2 * Math.PI); dir = (float) (Math.random() * 2 * Math.PI);
hp = 100; hp = maxHp;
prevHp = hp;
speed = 0;//(float) Math.random() * 3; speed = 0;//(float) Math.random() * 3;
rotSpeed = 0;//(float) Math.random() - 0.5f; rotSpeed = 0;//(float) Math.random() - 0.5f;
sightRange = 100; sightRange = 100;
@ -38,6 +39,7 @@ public class Creature extends Element {
public void update() { public void update() {
// apply hunger // apply hunger
hp -= 0.5f; hp -= 0.5f;
prevHp = hp;
if (hp < 0) { // Dead if (hp < 0) { // Dead
Game.get().getWorld().getGraveyard().add(this); Game.get().getWorld().getGraveyard().add(this);
Vegetable carcass = new Vegetable(getX(), getY()); Vegetable carcass = new Vegetable(getX(), getY());
@ -68,8 +70,6 @@ public class Creature extends Element {
setY(getY() - Game.get().getWorld().getHeight()); setY(getY() - Game.get().getWorld().getHeight());
} }
dir += rotSpeed; dir += rotSpeed;
// try eating
eat();
//fitness -= 0.1; //fitness -= 0.1;
if (dir > 2 * Math.PI) { if (dir > 2 * Math.PI) {
dir -= 2 * Math.PI; dir -= 2 * Math.PI;
@ -77,7 +77,8 @@ public class Creature extends Element {
if (dir < 0) { if (dir < 0) {
dir += 2 * Math.PI; dir += 2 * Math.PI;
} }
sight = lookAndHit(); // take a look // read from sensors and interact with world
sight = interactWithWorld();
// feed data to brain // feed data to brain
float[] values = new float[brain.getNeurons()[0].length]; float[] values = new float[brain.getNeurons()[0].length];
// 0: sight: see food? // 0: sight: see food?
@ -104,7 +105,7 @@ public class Creature extends Element {
} else { } else {
values[0] = 0f; values[0] = 0f;
values[1] = 1f; values[1] = 1f;
values[4] = 100 - ((Creature) sight.getElement()).getHp() / 100; values[4] = maxHp - ((Creature) sight.getElement()).getHp() / maxHp;
} }
} }
values[5] = eating ? 1 : 0; values[5] = eating ? 1 : 0;
@ -119,9 +120,9 @@ public class Creature extends Element {
Log.log(Log.DEBUG, "Accel: " + actions[0] + " RotClock: " + actions[1] + " RotAntiClock: " + actions[2] + " Beak: " + actions[3]); Log.log(Log.DEBUG, "Accel: " + actions[0] + " RotClock: " + actions[1] + " RotAntiClock: " + actions[2] + " Beak: " + actions[3]);
speed = (actions[0] * 2 - actions[4] / 2) * max_speed; speed = (actions[0] * 2 - actions[4] / 2) * max_speed;
rotSpeed = actions[1] - actions[2]; rotSpeed = actions[1] - actions[2];
beak = actions[3]; beak = actions[3] * max_beak;
if (beak > 20) { if (beak > max_beak) {
beak = 20; beak = max_beak;
} else if (beak < 0) { } else if (beak < 0) {
beak = 0; beak = 0;
} }
@ -130,42 +131,53 @@ public class Creature extends Element {
@Override @Override
public void render(ShapeRenderer s) { public void render(ShapeRenderer s) {
// Body // Body
s.setColor(1 - (hp / 100), hp / 100, 0, 1); s.setColor(1 - (hp / maxHp), hp / maxHp, 0, 1);
s.circle(getX(), getY(), getSize()); s.circle(getX(), getY(), getSize());
// Eye // Vision
double relX = Math.cos(dir), relY = Math.sin(dir); double relX = Math.cos(dir), relY = Math.sin(dir);
s.setColor(1, 1, 1, 1); float c = 0;
if (sight != null) { if (sight != null) {
float c = sight.getDistance() / sightRange * 2 + sightRange; c = sight.getDistance() / sightRange * 2 + sightRange;
} else {
s.setColor(1, 1, 1, 1);
}
float eyeX = (float) (relX * getSize() * 0.6f), eyeY = (float) (relY * getSize() * 0.6f);
if (sight != null) {
s.line(eyeX + getX(), getY() + eyeY, sight.getElement().getX(), sight.getElement().getY());
if (sight.getElement() instanceof Creature) { if (sight.getElement() instanceof Creature) {
s.setColor(c, 0, 0, 1); s.setColor(c, 0, 0, 1);
} else if (sight.getElement() instanceof Vegetable) { } else if (sight.getElement() instanceof Vegetable) {
s.setColor(0, c, 0, 1); s.setColor(0, c, 0, 1);
} }
} }
// Eye s.circle(getX() + eyeX, getY() + eyeY, 3);
s.circle((float) relX * getSize() * 0.6f + getX(), (float) relY * getSize() * 0.6f + getY(), 3);
if (killing) {
// Evil mark
s.set(ShapeRenderer.ShapeType.Filled);
s.setColor(1, 0, 0, 1);
s.circle(getX(), getY(), 5);
}
s.set(ShapeRenderer.ShapeType.Line);
// Beak
s.setColor(1, 1, 0, beak / 20);
s.line((float) (relX * getSize() * 0.8f + getX()), (float) (relY * getSize() * 0.8f + getY()), (float) (relX * getSize() * (1.5f + beak / 20) + getX()), (float) (relY * getSize() * (1.5f + beak / 20) + getY()));
//FOV //FOV
float degrees = fov * 180f / (float) Math.PI; float degrees = fov * 180f / (float) Math.PI;
float orient = dir * 180f / (float) Math.PI - degrees / 2; float orient = dir * 180f / (float) Math.PI - degrees / 2;
s.setColor(0.3f, 0.3f, 0.3f, 1); s.setColor(0.3f, 0.3f, 0.3f, 1);
s.arc((float) relX * getSize() + getX(), (float) relY * getSize() + getY(), sightRange, orient, degrees); s.arc((float) eyeX + getX(), (float) eyeY + getY(), sightRange, orient, degrees);
if (hp < prevHp) {
// Damage mark
s.set(ShapeRenderer.ShapeType.Filled);
s.setColor(1, 0, 0, 1);
s.circle(getX(), getY(), 5);
} else if (killing || eating) {
// Heal mark
s.set(ShapeRenderer.ShapeType.Filled);
s.setColor(0, 1, 0, 1);
s.circle(getX(), getY(), 5);
}
s.set(ShapeRenderer.ShapeType.Line);
// Beak
s.setColor(beak / max_beak, 1 - beak / max_beak, 0, 1);
s.line((float) (relX * getSize() * 0.8f + getX()), (float) (relY * getSize() * 0.8f + getY()), (float) (relX * getSize() * (1.5f + beak / max_beak) + getX()), (float) (relY * getSize() * (1.5f + beak / max_beak) + getY()));
} }
public Sight lookAndHit() { public Sight interactWithWorld() {
Element seen = null; Element seen = null;
float dist = 0, angle = 0, ndir = dir - (float) Math.PI; float dist = 0, angle = 0, ndir = dir - (float) Math.PI;
killing = false; killing = false;
eating = false;
for (Element e : Game.get().getWorld().getElements()) { for (Element e : Game.get().getWorld().getElements()) {
if (e == this) { if (e == this) {
continue; continue;
@ -186,13 +198,27 @@ public class Creature extends Element {
} }
//Log.log(Log.DEBUG,"RelAngle "+relAngle+" Dir "+ndir); //Log.log(Log.DEBUG,"RelAngle "+relAngle+" Dir "+ndir);
} }
// Check if eatable
if (e instanceof Vegetable && tempDist < 0) {
// Eat
eating = true;
e.setSize(e.getSize() - 0.1f);
if (e.getSize() == 0) {
e.setSize(0);
}
hp++;
fitness++;
if (hp > maxHp) {
hp = maxHp;
}
}
// Check if attackable // Check if attackable
if (e instanceof Creature && beak > 5 && tempDist < beak * 1.5f && Math.abs(relAngle - ndir) < (float) Math.PI / 10f) { if (e instanceof Creature && beak > 5 && tempDist < beak * 1.5f && Math.abs(relAngle - ndir) < (float) Math.PI / 10f) {
// Attacking! // Attacking!
hp++; hp++;
fitness++; fitness++;
if (hp > 100) { if (hp > maxHp) {
hp = 100; hp = maxHp;
} }
killing = true; killing = true;
Creature c = (Creature) e; Creature c = (Creature) e;
@ -218,8 +244,8 @@ public class Creature extends Element {
} }
hp++; hp++;
fitness++; fitness++;
if (hp > 100) { if (hp > maxHp) {
hp = 100; hp = maxHp;
} }
} }
} }
@ -239,7 +265,7 @@ public class Creature extends Element {
public void reset() { public void reset() {
fitness = 0; fitness = 0;
hp = 100; hp = maxHp;
} }
public float getHp() { public float getHp() {