Method OnUserUpdate

examples/TEST_QuickGUI.cpp:175–217

	}

	bool OnUserUpdate(float fElapsedTime) override
	{
		// We must update the manager at some point each frame. Values of controls
		// are only valid AFTER this call to update()
		guiManager.Update(this);

		// Some silly examples...

		// 001) The "theme colour" can be set from slider values
		guiManager.colNormal = olc::Pixel(
			uint8_t(guiThemeColourR->fValue),
			uint8_t(guiThemeColourG->fValue),
			uint8_t(guiThemeColourB->fValue));

		// 002) Display Slider 1 value on Button 2
		guiButton2->sText = "Button " + std::to_string(int32_t(guiSlider1->fValue));

		// 003) Check if "Reset Theme" button is pressed, if it is, well, err...
		if (guiButton3->bPressed)
		{
			// ...reset the theme! (which also updates the sliders)
			guiThemeColourR->fValue = 0.0f;
			guiThemeColourG->fValue = 0.0f;
			guiThemeColourB->fValue = 128.0f;
		}

		// 004) Link Slider 2 and Slider 3 together
		if(guiSlider2->bHeld)
			guiSlider3->fValue = 100.0f - guiSlider2->fValue;
		if (guiSlider3->bHeld)
			guiSlider2->fValue = 100.0f - guiSlider3->fValue;
		

		// Draw Stuff!
		Clear(olc::BLACK);

		// 005) Use checkbox to determine rendering mode
		if (guiCheckBox1->bChecked)
			guiManager.DrawDecal(this);
		else
			guiManager.Draw(this);
		return true;
	}
};

int main()