Method DrawFullScreenSprite

TombEngine/Renderer/RendererDraw2D.cpp:484–558

	}

	void Renderer::DrawFullScreenSprite(RendererSprite* sprite, DirectX::SimpleMath::Vector3 color, bool fit)
	{
		Vector2 uvStart = { 0.0f, 0.0f };
		Vector2 uvEnd = { 1.0f, 1.0f };

		ID3D11ShaderResourceView* texture = sprite->Texture->ShaderResourceView.Get();

		if (fit)
		{
			float screenAspect = float(_screenWidth) / float(_screenHeight);
			float imageAspect = float(sprite->Width) / float(sprite->Height);

			if (screenAspect > imageAspect)
			{
				float diff = (screenAspect - imageAspect) / screenAspect / 2;
				uvStart.y += diff;
				uvEnd.y -= diff;
			}
			else
			{
				float diff = (imageAspect - screenAspect) / imageAspect / 2;
				uvStart.x += diff;
				uvEnd.x -= diff;
			}
		}

		auto scale = Vector2(sprite->Width / (float)sprite->Texture->Width, sprite->Height / (float)sprite->Texture->Height);
		uvStart.x = uvStart.x * scale.x + sprite->UV[0].x;
		uvStart.y = uvStart.y * scale.y + sprite->UV[0].y;
		uvEnd.x = uvEnd.x * scale.x + sprite->UV[0].x;
		uvEnd.y = uvEnd.y * scale.y + sprite->UV[0].y;

		Vertex vertices[4];

		vertices[0].Position.x = -1.0f;
		vertices[0].Position.y = 1.0f;
		vertices[0].Position.z = 0.0f;
		vertices[0].UV.x = uvStart.x;
		vertices[0].UV.y = uvStart.y;
		vertices[0].Color = VectorColorToRGBA_TempToVector4(Vector4(color.x, color.y, color.z, 1.0f));

		vertices[1].Position.x = 1.0f;
		vertices[1].Position.y = 1.0f;
		vertices[1].Position.z = 0.0f;
		vertices[1].UV.x = uvEnd.x;
		vertices[1].UV.y = uvStart.y;
		vertices[1].Color = VectorColorToRGBA_TempToVector4(Vector4(color.x, color.y, color.z, 1.0f));

		vertices[2].Position.x = 1.0f;
		vertices[2].Position.y = -1.0f;
		vertices[2].Position.z = 0.0f;
		vertices[2].UV.x = uvEnd.x;
		vertices[2].UV.y = uvEnd.y;
		vertices[2].Color = VectorColorToRGBA_TempToVector4(Vector4(color.x, color.y, color.z, 1.0f));

		vertices[3].Position.x = -1.0f;
		vertices[3].Position.y = -1.0f;
		vertices[3].Position.z = 0.0f;