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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
public class CrosshairType2 : MonoBehaviour
{
[SerializeField] List<Image> _crosshairParts;
[SerializeField] List<Image> _crosshairOutlineParts;
[SerializeField] Image _crosshairDot;
[SerializeField] Image _crosshairDotOutline;
[SerializeField] protected int _crosshairLength = 20;
[SerializeField] protected int _crosshairGap = 8;
[SerializeField] protected int _crosshairThickness = 1;
[SerializeField] protected int _crosshairOutlineThickness = 1;
[SerializeField] protected Color _crosshairColor = Color.white;
[SerializeField] protected Color _crosshairOutlineColor = Color.black;
[SerializeField] protected int _dotSize = 1;
[SerializeField] protected int _dotOutlineThickness = 1;
[SerializeField] protected Color _dotColor = Color.white;
[SerializeField] protected Color _dotOutlineColor = Color.black;
[SerializeField] protected bool _renderCrosshairRight = true;
[SerializeField] protected bool _renderCrosshairLeft = true;
[SerializeField] protected bool _renderCrosshairTop = true;
[SerializeField] protected bool _renderCrosshairBottom = true;
// Use this for initialization
protected void Awake ()
{
UpdateCrosshair();
}
protected void UpdateCrosshair()
{
_crosshairParts[0].gameObject.SetActive(_renderCrosshairRight);
_crosshairParts[1].gameObject.SetActive(_renderCrosshairLeft);
_crosshairParts[2].gameObject.SetActive(_renderCrosshairTop);
_crosshairParts[3].gameObject.SetActive(_renderCrosshairBottom);
_crosshairOutlineParts[0].gameObject.SetActive(_renderCrosshairRight);
_crosshairOutlineParts[1].gameObject.SetActive(_renderCrosshairLeft);
_crosshairOutlineParts[2].gameObject.SetActive(_renderCrosshairTop);
_crosshairOutlineParts[3].gameObject.SetActive(_renderCrosshairBottom);
_crosshairDot.color = _dotColor;
_crosshairDotOutline.color = _dotOutlineColor;
_crosshairDot.rectTransform.sizeDelta = new Vector2(_dotSize * 2, _dotSize * 2);
_crosshairDotOutline.rectTransform.sizeDelta = new Vector2((_dotSize + _dotOutlineThickness) * 2, (_dotSize + _dotOutlineThickness) * 2);
OutLineParts();
FillParts();
}
void OutLineParts()
{
Texture2D texture = new Texture2D(200, 100, TextureFormat.ARGB32, false, true);
texture.filterMode = FilterMode.Point;
Color outlineColor = _crosshairOutlineColor;
Color32[] newColors = Enumerable.Repeat(new Color32(0, 0, 0, 0), texture.width * texture.height).ToArray();
texture.SetPixels32(newColors);
for (int x = -_crosshairOutlineThickness; x < _crosshairLength + _crosshairOutlineThickness; x++)
{
for (int i = 0; i < _crosshairThickness + _crosshairOutlineThickness; i++)
{
int renderX = texture.width - 1 - _crosshairGap - x;
int renderY1 = 49 - i;
int renderY2 = 50 + i;
if (renderX >= 0 && renderX < texture.width && renderY1 >= 0 && renderY1 < texture.height)
texture.SetPixel(renderX, renderY1, outlineColor);
if (renderX >= 0 && renderX < texture.width && renderY1 >= 0 && renderY2 < texture.height)
texture.SetPixel(renderX, renderY2, outlineColor);
}
}
texture.Apply();
var sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));
foreach (var crosshairPart in _crosshairOutlineParts)
{
crosshairPart.sprite = sprite;
}
}
void FillParts()
{
Texture2D texture = new Texture2D(200, 100, TextureFormat.ARGB32, false, true);
texture.filterMode = FilterMode.Point;
Color color = _crosshairColor;
Color32[] newColors = Enumerable.Repeat(new Color32(0, 0, 0, 0), texture.width * texture.height).ToArray();
texture.SetPixels32(newColors);
for (int x = 0; x < _crosshairLength; x++)
{
for (int i = 0; i < _crosshairThickness; i++)
{
int renderX = texture.width - 1 - _crosshairGap - x;
int renderY1 = 49 - i;
int renderY2 = 50 + i;
if (renderX >= 0 && renderX < texture.width && renderY1 >= 0 && renderY1 < texture.height)
texture.SetPixel(renderX, renderY1, color);
if (renderX >= 0 && renderX < texture.width && renderY1 >= 0 && renderY2 < texture.height)
texture.SetPixel(renderX, renderY2, color);
}
}
texture.Apply();
var sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));
foreach (var crosshairPart in _crosshairParts)
{
crosshairPart.sprite = sprite;
}
}
//These are for showing spread
void Grow()
{
_crosshairParts[0].transform.position += Vector3.right;
_crosshairParts[1].transform.position -= Vector3.right;
_crosshairParts[2].transform.position += Vector3.up;
_crosshairParts[3].transform.position -= Vector3.up;
}
void UnGrow()
{
_crosshairParts[0].transform.position -= Vector3.right;
_crosshairParts[1].transform.position += Vector3.right;
_crosshairParts[2].transform.position -= Vector3.up;
_crosshairParts[3].transform.position += Vector3.up;
}
}
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