public static void CreateVolumeSlider()
{
//Check if canvas exist in the scene
Canvas canvas = FindObjectOfType <Canvas>();
if (canvas == null)
{
GameObject newCanvas = new GameObject("Canvas");
Canvas canvasComponent = newCanvas.AddComponent <Canvas>();
canvasComponent.renderMode = RenderMode.ScreenSpaceOverlay;
newCanvas.AddComponent <CanvasScaler>();
newCanvas.AddComponent <GraphicRaycaster>();
canvas = canvasComponent;
}
//Creation of the Volume Slider GameObject
GameObject volumeSliderGO = new GameObject("VolumeSlider");
VolumeSlider volumeSlider = volumeSliderGO.AddComponent <VolumeSlider>();
volumeSliderGO.transform.SetParent(canvas.transform);
volumeSliderGO.transform.localPosition = Vector3.zero;
RectTransform volumeSliderRectTransform = volumeSliderGO.GetComponent <RectTransform>();
volumeSliderRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, 160f);
volumeSliderRectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, 20f);
//Creation of the slider GameObject components
//Background
GameObject background = new GameObject("Background");
GameObjectUtility.SetParentAndAlign(background, volumeSliderGO);
RectTransform backgroundRectTransform = background.AddComponent <RectTransform>();
backgroundRectTransform.anchorMin = new Vector2(0f, 0.25f);
backgroundRectTransform.anchorMax = new Vector2(1f, 0.75f);
backgroundRectTransform.offsetMin = new Vector2(0f, 0f);
backgroundRectTransform.offsetMax = new Vector2(0f, 0f);
//Get the default background from unity
Image backgroundImage = background.AddComponent <Image>();
backgroundImage.sprite = AssetDatabase.GetBuiltinExtraResource <Sprite>("UI/Skin/Background.psd");
backgroundImage.type = Image.Type.Sliced;
//Fill Area
GameObject fillArea = new GameObject("Fill Area");
GameObjectUtility.SetParentAndAlign(fillArea, volumeSliderGO);
RectTransform fillAreaRectTransform = fillArea.AddComponent <RectTransform>();
fillAreaRectTransform.anchorMin = new Vector2(0f, 0.25f);
fillAreaRectTransform.anchorMax = new Vector2(1f, 0.75f);
fillAreaRectTransform.anchoredPosition = new Vector2(-5f, 0f);
fillAreaRectTransform.sizeDelta = new Vector2(-20f, 0f);
//Fill
GameObject fill = new GameObject("Fill");
GameObjectUtility.SetParentAndAlign(fill, fillArea);
RectTransform fillRectTransform = fill.AddComponent <RectTransform>();
fillRectTransform.anchorMin = new Vector2(0f, 0f);
fillRectTransform.anchorMax = new Vector2(0f, 1f);
fillRectTransform.sizeDelta = new Vector2(10f, 0f);
//Set the fillImage sprite with the default unity UISprite
Image fillImage = fill.AddComponent <Image>();
fillImage.sprite = AssetDatabase.GetBuiltinExtraResource <Sprite>("UI/Skin/UISprite.psd");
fillImage.type = Image.Type.Sliced;
//Handle Slide Area
GameObject handleSlideArea = new GameObject("Handle Slide Area");
GameObjectUtility.SetParentAndAlign(handleSlideArea, volumeSliderGO);
RectTransform handleSlideAreaRectTransform = handleSlideArea.AddComponent <RectTransform>();
handleSlideAreaRectTransform.anchorMin = new Vector2(0f, 0f);
handleSlideAreaRectTransform.anchorMax = new Vector2(1f, 1f);
handleSlideAreaRectTransform.offsetMin = new Vector2(10f, 0f);
handleSlideAreaRectTransform.offsetMax = new Vector2(-10f, 0f);
//Handle
GameObject handle = new GameObject("Handle");
GameObjectUtility.SetParentAndAlign(handle, handleSlideArea);
RectTransform handleRectTransform = handle.AddComponent <RectTransform>();
handleRectTransform.anchorMin = new Vector2(0f, 0f);
handleRectTransform.anchorMax = new Vector2(0f, 1f);
handleRectTransform.sizeDelta = new Vector2(20f, 0f);
//Setting the fillImage sprite with the default unity UISprite
Image handleImage = handle.AddComponent <Image>();
handleImage.sprite = AssetDatabase.GetBuiltinExtraResource <Sprite>("UI/Skin/Knob.psd");
//Prepare the VolumeSlider script
volumeSlider.targetGraphic = handleImage;
volumeSlider.fillRect = fillRectTransform;
volumeSlider.handleRect = handleRectTransform;
volumeSlider.minValue = -80f;
volumeSlider.maxValue = 20f;
volumeSlider.value = 0f;
}
public void Awake()
{
serializedProperty = serializedObject.FindProperty("enumSelected");
volumeSlider = (VolumeSlider)target;
volumeSlider.InitSoundTypeEnum();
}
