projet-programmation-orientee-objet/core/src/sagittarius/Player.java

package sagittarius;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;

class Player extends Entity {

// ---------- ATTRIBUTEs ----------

    private Planet home;
    private final float width = 50;
    private final float height = 100;
    private Bow bow;

    private Vector2 positionBottom = new Vector2(); // TODO : reorganize, center of mass....

// ---------- CONSTRUCTORs ----------

    Player(Planet home) {
        super(home.position, 1);
        this.home = home;
        this.bow = new Bow(this, false);
        this.angle = 45; // TODO : tmp
    }
    
// ---------- METHODs ----------

    void render(ShapeRenderer shapeRenderer) {
        shapeRenderer.setColor(color);
		shapeRenderer.rect(positionBottom.x - width/2, positionBottom.y, width/2, 0, width, height, 1, 1, angle-90);
        this.bow.render(shapeRenderer);
	}

    void renderDebug(Batch batch, BitmapFont font) {
        font.draw(batch, "x = " + (int) position.x + ", y = " + (int) position.y, position.x, position.y);
    }

    void update(float deltaTime) {

        // TODO : do eventListening instead of polling
        // TODO : if player moving, add his speed to the arrow

        if (Gdx.input.isKeyPressed(Keys.LEFT)) {
            this.angle += 100.0f / home.getRadius();
        } else if (Gdx.input.isKeyPressed(Keys.RIGHT)) {
            this.angle -= 100.0f / home.getRadius();
        }

        computePosition();

        bow.update(deltaTime);

    }

    void computePosition() {
        Vector2 homePosition = this.home.position;
        float homeRadius = this.home.getRadius();
        this.position.x = homePosition.x + (homeRadius + height/2)*MathUtils.cosDeg(angle);
        this.position.y = homePosition.y + (homeRadius + height/2)*MathUtils.sinDeg(angle); // TODO, faire des opérations vectorielles ?
        this.positionBottom.x = homePosition.x + homeRadius*MathUtils.cosDeg(angle);
        this.positionBottom.y = homePosition.y + homeRadius*MathUtils.sinDeg(angle);
    }

    Planet getHome() {
        return this.home;
    }

}