package com.mygdx.game.desktop;

import com.badlogic.gdx.*;
import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
import com.badlogic.gdx.graphics.*;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.Align;

public class FontProblem extends ApplicationAdapter {
    SpriteBatch batch;
    BitmapFont font;

    public void create () {
        batch = new SpriteBatch();

        font = new BitmapFont();
        font.setUseIntegerPositions(false);
        font.getRegion().getTexture().setFilter(TextureFilter.Linear, TextureFilter.Linear);
    }

    public void render () {
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        renderTest(new Vector2(100, 50), true, true);
        renderTest(new Vector2(150, 50), false, true);
        renderTest(new Vector2(200, 50), true, false);
    }

    public void renderTest(Vector2 pos, boolean x, boolean y) {
        float rad = 10.0f;
        float angle = (System.currentTimeMillis() % 5000) / 5000.0f * (float)Math.PI*2;

        batch.enableBlending();
        batch.begin();
        font.setColor(Color.WHITE);
        font.draw(batch,
                  "5",
                  pos.x + (float)Math.cos(angle)*rad * (x ? 1 : 0),
                  pos.y + (float)Math.sin(angle)*rad *(y ? 1 : 0),
                  0,
                  Align.left,
                  false
                  );
        batch.end();
    }

    public static void main (String[] args) throws Exception {
        new LwjglApplication(new FontProblem());
    }
}