/// <summary>Delete the current ColorButton or the last ColorButton.</summary>
public virtual void DeleteButton()
{
// No buttons.
if (Memories.Count == 0)
{
return;
}
// Get index of current.
var index = Memories.IndexOf(currentMemory);
if (index >= 0)
{
// Destroy the current memory.
Destroy(Memories[index].gameObject);
Memories.RemoveAt(index);
// Select next memory.
if (index < Memories.Count && Memories[index] != null)
{
currentMemory = Memories[index];
}
}
else
{
// Destroy the last memory.
var last = Memories.Count - 1;
Destroy(Memories[last].gameObject);
Memories.RemoveAt(last);
}
}
/// <summary>ColorButton function, use for setting the colorpicker's color.</summary>
public virtual void ColorButton(GradationUI memory)
{
// change the currentButton.
currentMemory = memory;
// Update the colorpicker.
colorPicker.color = memory.colors[1];
colorPicker.UpdateUI();
}
/// <summary>Create a memory with a color.</summary>
public virtual void CreateNewButton(Color color)
{
// Limitation.
if (Memories.Count >= MaxMemory)
{
return;
}
// Instantiate a button.
var obj = Instantiate(buttonPrefab) as GameObject;
obj.transform.SetParent(transform);
// Sibling control.
obj.transform.SetSiblingIndex(Memories.Count);
// Add the new memory object.
var grad = obj.GetComponent <GradationUI>();
Memories.Add(grad);
// Set color.
grad.colors[0] = new Color(color.r, color.g, color.b); // SW
grad.colors[1] = grad.colors[3] = color; // NW & SE
grad.colors[2] = new Color(color.r, color.g, color.b, Mathf.Pow(color.a, 2)); // NE
// Register onClick event.
var button = obj.GetComponent <Button>();
button.onClick.AddListener(() => {
ColorButton(grad);
});
// Focus the new memory object.
currentMemory = grad;
}
