Added basic enemy animation, maybe collision?

src/com/gnarly/game/BulletList.java

@@ -7,6 +7,7 @@ import com.gnarly.engine.model.Vao;
 import com.gnarly.engine.shaders.Shader;
 import com.gnarly.engine.shaders.Shader2t;
 import com.gnarly.engine.texture.TextureSet;
+import com.gnarly.game.enemies.Enemy;
 import org.joml.Vector2f;
 
 import java.util.ArrayList;
@@ -40,7 +41,7 @@ public class BulletList {
 	};
 
 	public static final float[] SPEEDS = new float[] {
-		20
+		200
 	};
 
 	public static final int
@@ -83,12 +84,17 @@ public class BulletList {
 		}
 	}
 
-	public void update(Rect rect, Vector2f velocity) {
+	public void update(ArrayList<Enemy> enemies) {
 		for (int i = 0; i < bullets.size(); ++i) {
 			Bullet bullet = bullets.get(i);
 			Vector2f deltaV = bullet.velocity.mul((float) Main.dtime, new Vector2f());
-			if (Collision.collide(rect.getPosition(), rect.getDimensions(), velocity, bullet))
-				System.out.println("collision");
+			for (int j = 0; j < enemies.size(); ++j) {
+				if (Collision.collide(enemies.get(j).getPosition(), enemies.get(j).getDimensions(), new Vector2f(), bullet)) {
+					enemies.remove(j);
+					--j;
+				}
+				System.out.println("Wat");
+			}
 			bullet.position.add(deltaV);
 			bullet.boundingPosition.add(deltaV);
 			bullet.lifetime += Main.dtime;

src/com/gnarly/game/Collision.java

@@ -64,30 +64,30 @@ public class Collision {
 	}
 
 	public static boolean segmentCollision(Vector2f P1, Vector2f D1, Vector2f V1, Vector2f P2, Vector2f D2, Vector2f V2) {
-		final float DELTA = 0.00001f;
+		final float DELTA = 0.000001f;
 
 		if ((V1.length() == 0 && V2.length() > 0)
 		 || (V2.length() == 0 && V1.length() > 0)
 		 ||  V1.angle(V2) > DELTA) {
-			float b = (P1.y - P2.y - (V2.y - V1.y) * (P1.x + D1.x - P2.x) / (V2.x - V1.x)) / (D2.y + (V2.y - V1.y) / (V2.x - V1.x));
+			float b = (P1.x - P2.x + (V1.x - V2.x) * (P2.y - P1.y) / (V1.y - V2.y)) / (D2.x - D2.y * (V1.x - V2.x) / (V1.y - V2.y));
 			if (rangeCheck(b)) {
 				float t = (P1.x - P2.x - D2.x * b) / (V2.x - V1.x);
 				if (rangeCheck(t))
 					return true;
 			}
-			float a = (P2.y - P1.y - (V1.y - V2.y) * (P2.x + D2.x - P1.x) / (V1.x - V2.x)) / (D1.y + (V1.y - V2.y) / (V1.x - V2.x));
+			float a = (P2.x - P1.x - (V1.x - V2.x) * (P1.y - P2.y) / (V2.y - V1.y)) / (D1.x + D1.y * (V1.x - V2.x) / (V2.y - V1.y));
 			if (rangeCheck(a)) {
 				float t = (P1.x + D1.x * a - P2.x) / (V2.x - V1.x);
 				if (rangeCheck(t))
 					return true;
 			}
-			b = (P1.y + D1.y - P2.y - (V2.y - V1.y) * (P1.x + D1.x - P2.x) / (V2.x - V1.x)) / (D2.y + (V2.y - V1.y) / (V2.x - V1.x));
+			b = (P1.x + D1.x - P2.x + (V1.x - V2.x) * (P2.y - P1.y - D1.y) / (V1.y - V2.y)) / (D2.x - D2.y * (V1.x - V2.x) / (V1.y - V2.y));
 			if (rangeCheck(b)) {
 				float t = (P1.x + D1.x - P2.x - D2.x * b) / (V2.x - V1.x);
 				if (rangeCheck(t))
 					return true;
 			}
-			a = (P2.y + D2.y - P1.y - (V1.y - V2.y) * (P2.x + D2.x - P1.x) / (V1.x - V2.x)) / (D1.y + (V1.y - V2.y) / (V1.x - V2.x));
+			a = (P2.x + D2.x - P1.x - (V1.x - V2.x) * (P1.y - P2.y - D2.y) / (V2.y - V1.y)) / (D1.x + D1.y * (V1.x - V2.x) / (V2.y - V1.y));
 			if (rangeCheck(a)) {
 				float t = (P1.x + D1.x * a - P2.x - D2.x) / (V2.x - V1.x);
 				if (rangeCheck(t))

src/com/gnarly/game/GamePanel.java

@@ -3,8 +3,12 @@ package com.gnarly.game;
 import com.gnarly.engine.display.Camera;
 import com.gnarly.engine.display.Window;
 import com.gnarly.engine.model.ColRect;
+import com.gnarly.game.enemies.BasicEnemy;
+import com.gnarly.game.enemies.Enemy;
 import org.joml.Vector2f;
 
+import java.util.ArrayList;
+
 import static org.lwjgl.glfw.GLFW.GLFW_KEY_SPACE;
 
 public class GamePanel extends Panel {
@@ -19,33 +23,38 @@ public class GamePanel extends Panel {
 
 	private float rotation = 0;
 
-	private ColRect testRect;
+	private ArrayList<Enemy> enemies;
 
 	public GamePanel(Window window, Camera camera) {
 		this.window = window;
 		this.camera = camera;
 
+		enemies = new ArrayList<Enemy>();
+		enemies.add(new BasicEnemy(camera, 200, 200));
+
 		bullets = new BulletList(camera);
 
 		background = new Background(camera);
 		player = new Player(window, camera);
 
-		testRect = new ColRect(camera, 100, 100, 0, 25, 25, 1, 0, 0, 1, false);
-
 		state = Main.GAME_PANEL;
 	}
 	
 	public void update() {
-		bullets.update(testRect, new Vector2f(0, 100));
+		for (int i = 0; i < enemies.size(); ++i)
+			enemies.get(i).update();
+
+		bullets.update(enemies);
 		background.update();
 		player.update();
 
 		if (window.keyPressed(GLFW_KEY_SPACE) == Window.BUTTON_PRESSED)
-			bullets.spawnBullet(new Vector2f(player.getX() + (player.getWidth()) / 2, player.getY() + bullets.getHeight(BulletList.TYPE_PLAYER)), rotation += Math.PI / 16, BulletList.TYPE_PLAYER);
+			bullets.spawnBullet(new Vector2f(player.getX() + (player.getWidth()) / 2, player.getY() - bullets.getHeight(BulletList.TYPE_PLAYER)), 0, BulletList.TYPE_PLAYER);
 	}
 	
 	public void render() {
-		testRect.render();
+		for(int i = 0; i < enemies.size(); ++i)
+			enemies.get(i).render();
 		bullets.render();
 		background.render();
 		player.render();

src/com/gnarly/game/Main.java

@@ -26,6 +26,10 @@ public class Main {
 	private int panel;
 	
 	public void start() {
+		System.out.println(Collision.segmentCollision(
+			new Vector2f(100, 100), new Vector2f(25, 0), new Vector2f(0, 100),
+			new Vector2f(110.9f, 165.3f), new Vector2f(3.923f, -0.7804f), new Vector2f(-3.902f, -19.62f)
+		));
 		init();
 		int frames = 0;
 		long curTime, pastTime, pastSec, nspf = 1000000000 / Window.REFRESH_RATE;
@@ -39,26 +43,26 @@ public class Main {
 				render();
 				pastTime += nspf;
 				++frames;
+			}
 			if (curTime - pastSec > 1000000000) {
 				fps = frames;
 				frames = 0;
 				pastSec += 1000000000;
 			}
-				try {
-					Thread.sleep(nspf / 1000000);
+			if (nspf - curTime + pastTime > 10000000) try {
+				Thread.sleep(1);
 			} catch (Exception e) {
 				e.printStackTrace();
 			}
 		}
-		}
 		al.destroy();
 		Window.terminate();
 	}
 	
 	private void init() {
 		al = new ALManagement();
-		//window = new Window("Gamer Time", true);
-		window = new Window(768, 432, "Gamer Time", true, true, true);
+		window = new Window("Gamer Time", true);
+		//window = new Window(768, 432, "Gamer Time", true, true, true);
 		camera = new Camera(768, 432);
 		Shader.init();
 		

src/com/gnarly/game/enemies/BasicEnemy.java

@@ -0,0 +1,44 @@
+package com.gnarly.game.enemies;
+
+import com.gnarly.engine.display.Camera;
+import com.gnarly.engine.shaders.Shader;
+import com.gnarly.engine.shaders.Shader2t;
+import com.gnarly.engine.texture.TextureSet;
+import com.gnarly.game.Main;
+
+public class BasicEnemy extends Enemy {
+
+	final float spf = 1.0f / 16.0f;
+
+	public static final float DIMS = 16;
+
+	private static TextureSet textures = null;
+	private Shader2t shader = Shader.SHADER2T;
+
+	private float time = 0;
+
+	public BasicEnemy(Camera camera, float x, float y) {
+		super(camera, x, y, DIMS, DIMS, 1);
+		if (textures == null) {
+			textures = new TextureSet(new String[] {
+				"res/img/enemies/basic/basic-0.png",
+				"res/img/enemies/basic/basic-1.png",
+				"res/img/enemies/basic/basic-2.png",
+				"res/img/enemies/basic/basic-3.png"
+			});
+		}
+	}
+
+	@Override
+	public void update() {
+		time = (float) (time + Main.dtime) % (spf * textures.length());
+	}
+
+	@Override
+	public void render() {
+		textures.get((int) (time / spf)).bind();
+		shader.enable();
+		shader.setMVP(camera.getMatrix().translate(position).scale(width * scale, height * scale, 1));
+		vao.render();
+	}
+}

src/com/gnarly/game/enemies/Enemy.java

@@ -0,0 +1,25 @@
+package com.gnarly.game.enemies;
+
+import com.gnarly.engine.display.Camera;
+import com.gnarly.engine.model.Rect;
+import com.gnarly.engine.texture.TextureSet;
+
+public abstract class Enemy extends Rect {
+
+	protected int life;
+
+	Enemy(Camera camera, float x, float y, float width, float height, int life) {
+		super(camera, x, y, -0.1f, width, height, 0, false);
+	}
+
+	public abstract void update();
+	public abstract void render();
+
+	public void damage(int damage) {
+		life -= damage;
+	}
+
+	public boolean isDead() {
+		return life <= 0;
+	}
+}