public ParticleSystem(IGraphicsContext context,int maxParticleCount, ParticleSettings settings)
{
this.settings = settings;
this.queue = new Particle[maxParticleCount * 4];
this.vertexBuffer = new VertexBuffer<Particle>(context, OpenTK.Graphics.OpenGL.BufferUsageHint.StreamDraw);
this.indecies = new IntIndexBuffer(context, OpenTK.Graphics.OpenGL.BufferUsageHint.StaticDraw);
this.SetIndexBufferSize(maxParticleCount);
this.vertexBuffer.Bind();
this.vertexBuffer.SetData(this.queue);
GL.GenVertexArrays(1, out vba);
}
public ParticleSystem(IGraphicsContext context, int maxParticleCount, ParticleSettings settings)
{
this.settings = settings;
this.queue = new Particle[maxParticleCount * 4];
this.vertexBuffer = new VertexBuffer <Particle>(context, OpenTK.Graphics.OpenGL.BufferUsageHint.StreamDraw);
this.indecies = new IntIndexBuffer(context, OpenTK.Graphics.OpenGL.BufferUsageHint.StaticDraw);
this.SetIndexBufferSize(maxParticleCount);
this.vertexBuffer.Bind();
this.vertexBuffer.SetData(this.queue);
GL.GenVertexArrays(1, out vba);
}
void Panel_MouseDown(object sender, EntityGUI.MouseButtonEventArgs e)
{
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 2; j++)
{
Color c = Random.NextColor() * 0.5f;
Color c2 = Random.NextColor();
ParticleSettings settings = new ParticleSettings(new Vector2(Random.Next(-30, 30), Random.Next(-30, 30)), c * 0.7f, c2,
Color.Black * 0.5f,
0, Random.Next(30, 40), 3f, 0, 2, Random.Next(1, 2));
this.systems[i * 2 + j] = new ParticleSystem(this.GraphicsContext, 256 * 2, settings);
double r = Random.NextDouble();
if (r > 0.66f)
{
SprayEmiter2D emiter = new SprayEmiter2D(100f, 200f, 0, (float)(Random.NextDouble() * Math.PI), new Vector2(this.Width / 5 * i + 150, this.Height / 2 * j + 150),
this.particleAtlas.ToArray(), systems[i * 2 + j]);
emiter.EmitInterval = TimeSpan.FromSeconds(1d / 64);
emiter.EmitCount = 2;
this.emiters[i * 2 + j] = emiter;
}
else if (r > 0.33d)
{
BeeEmiter2D emiter = new BeeEmiter2D(new Vector2(this.Width / 5 * i + 150, this.Height / 2 * j + 150),
new Frame[] { particleAtlas["Cloud002"], particleAtlas["Flame"], particleAtlas["Cloud004"] }, systems[i * 2 + j]);
emiter.EmitInterval = TimeSpan.FromSeconds(1d / 64);
emiter.EmitCount = 4;
this.emiters[i * 2 + j] = emiter;
}
else
{
CircleEmiter2D emiter = new CircleEmiter2D(50, 75, new Vector2(this.Width / 5 * i + 150, this.Height / 2 * j + 150),
this.particleAtlas.ToArray(), systems[i * 2 + j]);
emiter.EmitInterval = TimeSpan.FromSeconds(1d / 32);
emiter.EmitCount = 8;
this.emiters[i * 2 + j] = emiter;
}
}
}
}