在box2d主体顶部绘制字体

问题描述

如何在我的静态box2d主体顶部绘制文本(字体)?

How can I draw text (font) on top of my static box2d body?

背景:我无法在物体顶部正确绘制精灵.为此，我将box2dSpriteBatch投影到box2dCamera上，就像box2dSpriteBatch.setProjectionMatrix(box2dCamera.combined);一样，然后使用主体的getPosition简单地将精灵渲染到正确的位置.

Background: Im able to draw sprites on top of bodies correctly.I do this by having a box2dSpriteBatch which is projected on box2dCamera like so box2dSpriteBatch.setProjectionMatrix(box2dCamera.combined); And then simply rendering the sprite in the correct spot using getPosition of the body.

但是，如果我尝试以相同的方式处理字体，不幸的是，它的缩放比例非常大，如果我尝试将字体缩小，则不会出现.因此，我假设我需要在窗口坐标而不是box2d中绘制文本.

But if i try the same way for fonts, unfortunately it scales incredibly large, and if i try to scale the font down it doesn't appear. So im assuming I need to draw the text in window coordinates instead of box2d.

我的尝试:

show()中的

• :windowCamera = new OrthographicCamera(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());

• in show():windowCamera = new OrthographicCamera(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());

windowSpriteBatch.setProjectionMatrix(windowCamera.combined);

也在渲染"中渲染字体

whiteFont.setScale(0.7f, 0.7f);sb.begin();whiteFont.draw(sb, "2", body.getPosition().x, (questionLineBody.getPosition().y)*PPM);sb.end();

whiteFont.setScale(0.7f, 0.7f);sb.begin();whiteFont.draw(sb, "2", body.getPosition().x, (questionLineBody.getPosition().y)*PPM);sb.end();

推荐答案

解决方案基本上是通过PPM来*我的x位置.

The solution was to Basically * my x position by PPM.

即.

将这些行添加到渲染"方法中:

Add these lines to the Render method:

windowCamera.position.y = box2dCamera.position.y * PPM;
windowCamera.update();
windowSpriteBatch.setProjectionMatrix(windowCamera.combined);

然后像这样渲染字体:

whiteFont.draw (sb,"2", body.getPosition().x * PPM, body.getPosition().y * PPM);

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