65 lines
1.7 KiB
C#
65 lines
1.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using src.Base;
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using src.Helpers;
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using UnityEngine;
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namespace src.Wall
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{
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public class WallTransparency : GameplayComponent
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{
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private SpriteRenderer _spriteRenderer;
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private Color _originalSpriteColor;
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private bool _isTransparent;
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private void Start()
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{
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_spriteRenderer = GetComponentInChildren<SpriteRenderer>();
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_originalSpriteColor = _spriteRenderer.color;
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}
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private void Update()
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{
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var position = transform.position;
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/* RayCast from the center of the tile up one distance and set layerMask to Player only! */
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var hit = Physics2D.Raycast(new Vector2(position.x + .5f, position.y + 0.5f),
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Vector2.up, 1f, 1 << 15);
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if (hit.collider)
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{
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BecomeTransparent();
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}
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else
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{
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BecomeOpaque();
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}
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}
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private void ChangeSpriteAlpha(float alpha)
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{
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_spriteRenderer.color =
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new Color(_originalSpriteColor.r, _originalSpriteColor.g, _originalSpriteColor.b, alpha);
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}
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private void BecomeTransparent()
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{
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if (_isTransparent)
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{
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return;
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}
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_isTransparent = true;
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ChangeSpriteAlpha(0.5f);
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}
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private void BecomeOpaque()
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{
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if (!_isTransparent)
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{
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return;
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}
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_isTransparent = false;
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ChangeSpriteAlpha(1f);
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}
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}
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}
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