tiny_link/src/game.cpp

#include "game.h"
#include "content.h"

using namespace TL;

void Game::startup()
{
	// load our content
	Content::load();

	// framebuffer for the game
	buffer = FrameBuffer::create(320, 180);

	// set batcher to use Nearest Filter
	batch.default_sampler = TextureSampler(TextureFilter::Nearest);
}

void Game::shutdown()
{

}

void Game::update()
{

}

void Game::render()
{
	// draw gameplay stuff
	{
		buffer->clear(Color::red);

		batch.str(Content::font, "Hello World", Vec2(32, 32), Color::white);
		batch.render(buffer);
		batch.clear();
	}

	// draw buffer to the screen
	{
		float scale = Calc::min(
			App::backbuffer->width() / (float)buffer->width(),
			App::backbuffer->height() / (float)buffer->height());

		Vec2 screen_center = Vec2(App::backbuffer->width(), App::backbuffer->height()) / 2;
		Vec2 buffer_center = Vec2(buffer->width(), buffer->height()) / 2;

		App::backbuffer->clear(Color::black);
		batch.push_matrix(Mat3x2::create_transform(screen_center, buffer_center, Vec2::one * scale, 0));
		batch.tex(buffer->attachment(0), Vec2::zero, Color::white);
		batch.pop_matrix();
		batch.render(App::backbuffer);
		batch.clear();
	}
}