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[1.11] weird behavior when rendering to screen


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I've been trying to work on something that requires me to draw directly to the screen.

I started with a simple test, drawing a red square at the corner of the screen with the Vertex buffer.

It works, but I've noticed some very strange behavior, whenever i press F1 to hide the GUI, the square i drew becomes about twice as small and looses all transparency. If i press F1 again to show the GUI again, it returns to normal.


is this a known thing that happens?

is there a workaround?


here is the code:


public class EventHandlerClient {

    public void onRenderTick(TickEvent.RenderTickEvent event){

                Tessellator tessellator = Tessellator.getInstance();
                VertexBuffer vertexBuffer = tessellator.getBuffer();


                vertexBuffer.begin(7, DefaultVertexFormats.POSITION_COLOR);



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TickEvent.RenderTickEvent has sub events, IIRC. You want to use one of them, not all of them.

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.


Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.


DO NOT PM ME WITH PROBLEMS. No help will be given.

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