Prepare for UI

src/main/java/lab/BulletAnimated.java

@@ -15,7 +15,7 @@ public class BulletAnimated  implements DrawableSimulable, Collisionable{
 	private double mass = 2;
 	private double strenghtOfCannon = 100;
 	private double cannonLength = 100;
-	private boolean accelerate = true;
+	private boolean accelerate = false;
 	private boolean hitToGround = false;
 
 	private double crossSectionalArea;
@@ -49,6 +49,9 @@ public class BulletAnimated  implements DrawableSimulable, Collisionable{
 	}
 
 	public void simulate(double deltaT) {
+		if (!accelerate && start == position) {
+			return;
+		}
 		if (accelerate && start.distance(position) < cannonLength) {
 			double cannonAngle = cannon.getAngle(); 
 			speed = speed
@@ -70,7 +73,8 @@ public class BulletAnimated  implements DrawableSimulable, Collisionable{
 				position = new Point2D(position.getX(), size / 2);
 			}
 		} else {
-			reload();
+			fire();
+			
 		}		
 	}
 
@@ -90,6 +94,15 @@ public class BulletAnimated  implements DrawableSimulable, Collisionable{
 		position = start;
 		speed = initialSpeed;
 		hitToGround = false;
+	}
+
+	public void setCanonPower(double value) {
+		strenghtOfCannon = value;
+		
+	}
+	
+	public void fire() {
+		reload();
 		accelerate = true;
 	}
 	

src/main/java/lab/Cannon.java

@@ -7,7 +7,7 @@ import javafx.scene.transform.Affine;
 
 public class Cannon implements DrawableSimulable {
 
-	private int direction=-1;
+	//private int direction=-1;
 	private double angle = 0;
 	private Point2D position;
 	private Point2D size;
@@ -24,12 +24,13 @@ public class Cannon implements DrawableSimulable {
 	}
 
 	public void simulate(double timeStep) {
-		angle = angle + direction*0.8;
+		/*angle = angle + direction*0.8;
 		if(angle <=-90 || angle >= 0) {
 			direction*=-1;
-		}
+		}*/
 	}
 	
+	
 	public void draw(GraphicsContext gc) {
 		gc.save();
 		Point2D worldPosition = world.getCanvasPoint(position);
@@ -46,4 +47,9 @@ public class Cannon implements DrawableSimulable {
 	public double getAngle() {
 		return (angle * -1) / 180 * Math.PI;
 	}
+
+	public void setAngle(double value) {
+		angle = value;
+		
+	}
 }

src/main/java/lab/GameController.java

@@ -18,6 +18,11 @@ public class GameController {
 		//Draw scene on a separate thread to avoid blocking UI.
 		animationTimer = new DrawingThread(canvas, world);
 		animationTimer.start();
+		
+		
+		world.setCannonAngle(-45d);
+		world.setCannonPower(100.);
+		world.fireBullet();
 	}
 
 

src/main/java/lab/World.java

@@ -78,4 +78,29 @@ public class World {
 		this.height = height;
 	}
 
+	public void setCannonAngle(double value) {
+		for (DrawableSimulable entity: entities) {
+			if (entity instanceof Cannon cannon) {
+				cannon.setAngle(value);
+			}
+		}
+		
+	}
+
+	public void setCannonPower(double value) {
+		for (DrawableSimulable entity: entities) {
+			if (entity instanceof BulletAnimated bullet) {
+				bullet.setCanonPower(value);
+			}
+		}
+	}
+
+	public void fireBullet() {
+		for (DrawableSimulable entity: entities) {
+			if (entity instanceof BulletAnimated bullet) {
+				bullet.fire();
+			}
+		}
+	}
+
 }