MiauRizius/JGame2D
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added particles

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Maurice
2025-12-08 05:51:05 +01:00
parent f6de147046
commit de70fb71e6
6 changed files with 123 additions and 0 deletions
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9
src/de/miaurizius/jgame2d/core/GamePanel.java
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@@ -52,6 +52,7 @@ public class GamePanel extends JPanel implements Runnable {
public Entity[] monster = new Entity[20];
public InteractiveTile[] iTile = new InteractiveTile[50];
public ArrayList<Entity> projectileList = new ArrayList<>();
public ArrayList<Entity> particleList = new ArrayList<>();
ArrayList<Entity> entityList = new ArrayList<>();
// GAME STATE
@@ -122,6 +123,13 @@ public class GamePanel extends JPanel implements Runnable {
else projectileList.remove(i);
}
}
for(int i = 0; i < particleList.size(); i++) {
Entity m = particleList.get(i);
if(m != null) {
if(m.alive) m.update();
else particleList.remove(i);
}
}
for(Entity entity : iTile) if(entity != null) entity.update();
break;
case PAUSE:
@@ -152,6 +160,7 @@ public class GamePanel extends JPanel implements Runnable {
for(Entity entity : obj) if(entity != null) entityList.add(entity);
for(Entity entity : monster) if(entity != null) entityList.add(entity);
for(Entity entity : projectileList) if(entity != null) entityList.add(entity);
for(Entity entity : particleList) if(entity != null) entityList.add(entity);
entityList.sort(Comparator.comparingInt(o -> o.worldY));
for(Entity entity : entityList) entity.draw(graphics2d);
entityList.clear();

30
src/de/miaurizius/jgame2d/entity/Entity.java
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@@ -5,6 +5,7 @@ import de.miaurizius.jgame2d.core.enums.Direction;
import de.miaurizius.jgame2d.core.GamePanel;
import de.miaurizius.jgame2d.core.Utility;
import de.miaurizius.jgame2d.core.enums.EntityType;
import de.miaurizius.jgame2d.entity.particle.Particle;
import de.miaurizius.jgame2d.entity.projectile.Projectile;
import javax.imageio.ImageIO;
@@ -214,6 +215,35 @@ public class Entity {
}
}
// PARTICLE SETUP
public Color getParticleColor() {
return null;
}
public int getParticleSize() {
return -1;
}
public int getParticleSpeed() {
return -1;
}
public int getParticleMaxLife() {
return -1;
}
public void generateParticle(Entity generator, Entity target) {
Color color = generator.getParticleColor();
int size = generator.getParticleSize();
int speed = generator.getParticleSpeed();
int maxLife = generator.getParticleMaxLife();
Particle p1 = new Particle(panel, generator, color, size, speed, maxLife, -2, -1);
Particle p2 = new Particle(panel, generator, color, size, speed, maxLife, 2, -1);
Particle p3 = new Particle(panel, generator, color, size, speed, maxLife, -2, 1);
Particle p4 = new Particle(panel, generator, color, size, speed, maxLife, 2, 1);
panel.particleList.add(p1);
panel.particleList.add(p2);
panel.particleList.add(p3);
panel.particleList.add(p4);
}
// SETTING THINGS UP
BufferedImage parseSprite() {
return switch (direction) {

1
src/de/miaurizius/jgame2d/entity/Player.java
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@@ -225,6 +225,7 @@ public class Player extends Entity {
panel.iTile[index].playSE();
panel.iTile[index].life--;
panel.iTile[index].invincible = true;
generateParticle(panel.iTile[index], panel.iTile[index]);
if(panel.iTile[index].life == 0) panel.iTile[index] = panel.iTile[index].getDestroyedForm();
}

50
src/de/miaurizius/jgame2d/entity/particle/Particle.java Normal file
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@@ -0,0 +1,50 @@
package de.miaurizius.jgame2d.entity.particle;
import de.miaurizius.jgame2d.core.GamePanel;
import de.miaurizius.jgame2d.entity.Entity;
import java.awt.*;
public class Particle extends Entity {
GamePanel panel;
Entity generator;
Color color;
int size;
int xd, yd;
public Particle(GamePanel panel, Entity generator, Color color, int size, int speed, int maxLife, int xd, int yd) {
super(panel);
this.panel = panel;
this.generator = generator;
this.color = color;
this.size = size;
this.speed = speed;
this.maxLife = maxLife;
this.xd = xd;
this.yd = yd;
life = maxLife;
int offset = (panel.tileSize/2) - (size/2);
worldX = generator.worldX + offset;
worldY = generator.worldY + offset;
}
@Override
public void update() {
life--;
if(life < maxLife/3) yd++;
worldX += xd*speed;
worldY += yd*speed;
alive = (life != 0);
}
@Override
public void draw(Graphics2D graphics2d) {
int screenX = worldX - panel.player.worldX + panel.player.screenX;
int screenY = worldY - panel.player.worldY + panel.player.screenY;
graphics2d.setColor(color);
graphics2d.fillRect(screenX, screenY, size, size);
}
}

14
src/de/miaurizius/jgame2d/tile/interactive/DryTreeTI.java
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@@ -4,6 +4,8 @@ import de.miaurizius.jgame2d.core.GamePanel;
import de.miaurizius.jgame2d.core.enums.EntityType;
import de.miaurizius.jgame2d.entity.Entity;
import java.awt.*;
public class DryTreeTI extends InteractiveTile{
GamePanel panel;
@@ -31,4 +33,16 @@ public class DryTreeTI extends InteractiveTile{
public InteractiveTile getDestroyedForm() {
return new TrunkIT(panel, worldX/panel.tileSize, worldY/panel.tileSize);
}
public Color getParticleColor() {
return new Color(65, 50,30);
}
public int getParticleSize() {
return 6; //in pixels
}
public int getParticleSpeed() {
return 1;
}
public int getParticleMaxLife() {
return 20;
}
}

19
src/de/miaurizius/jgame2d/tile/interactive/InteractiveTile.java
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@@ -1,8 +1,12 @@
package de.miaurizius.jgame2d.tile.interactive;
import de.miaurizius.jgame2d.core.GamePanel;
import de.miaurizius.jgame2d.core.enums.Direction;
import de.miaurizius.jgame2d.core.enums.EntityType;
import de.miaurizius.jgame2d.entity.Entity;
import java.awt.*;
public class InteractiveTile extends Entity {
GamePanel panel;
@@ -14,6 +18,7 @@ public class InteractiveTile extends Entity {
}
// GENERAL
@Override
public void update() {
// INVINCIBLE COUNTER
if(!invincible) return;
@@ -23,6 +28,20 @@ public class InteractiveTile extends Entity {
invincibleCount = 0;
}
}
@Override
public void draw(Graphics2D graphics2D) {
int screenX = worldX - panel.player.worldX + panel.player.screenX;
int screenY = worldY - panel.player.worldY + panel.player.screenY;
if(worldX + panel.tileSize > panel.player.worldX - panel.player.screenX &&
worldX - panel.tileSize < panel.player.worldX + panel.player.screenX &&
worldY + panel.tileSize > panel.player.worldY - panel.player.screenY &&
worldY - panel.tileSize < panel.player.worldY + panel.player.screenY
) {
graphics2D.drawImage(down1, screenX, screenY, null);
}
}
// PRE-CONFIGURED
public void playSE() {}