Files
OpenRA/OpenRa.Game/Effects/LaserZap.cs
2010-02-07 00:50:35 +13:00

49 lines
1.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenRa.Graphics;
using OpenRa.Traits;
using System.Drawing;
namespace OpenRa.Effects
{
class LaserZap : IEffect
{
readonly int2 from, to;
readonly int radius;
int timeUntilRemove = 10; // # of frames
int totalTime = 10;
Color color;
public LaserZap(int2 from, int2 to, int radius, Color color)
{
this.from = from;
this.to = to;
this.color = color;
this.radius = radius;
}
public void Tick(World world)
{
if (timeUntilRemove <= 0)
world.AddFrameEndTask(w => w.Remove(this));
--timeUntilRemove;
}
public IEnumerable<Renderable> Render()
{
int alpha = (int)((1-(float)(totalTime-timeUntilRemove)/totalTime)*255);
Color rc = Color.FromArgb(alpha,color);
float2 unit = 1.0f/(from - to).Length*(from - to).ToFloat2();
float2 norm = new float2(-unit.Y, unit.X);
for (int i = -radius; i < radius; i++)
Game.world.WorldRenderer.lineRenderer.DrawLine(from + i * norm, to + i * norm, rc, rc);
yield break;
}
}
}