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Particle.cs
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Particle.cs
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using Microsoft.Xna.Framework;
namespace ParticleSim
{
public class Particle
{
private Vector2 pos;
private Vector2 vel;
private readonly World world;
public Particle(float x, float y, World world)
{
this.pos = new Vector2(x, y);
this.vel = new Vector2(0f, 0f);
this.world = world;
}
public Vector2 GetPos()
{
return this.pos;
}
public void SetPos(Vector2 pos)
{
this.pos = pos;
}
public Vector2 GetVel()
{
return this.vel;
}
public void SetVel(Vector2 vel)
{
this.vel = vel;
}
public void Grav(float dt)
{
this.vel.Y += 5f*dt;
}
public void Move(int rowCount, float dt, Particle below)
{
if (pos.Y > rowCount-1)
{
pos.Y = rowCount-1;
vel.Y = 0;
}
else if (below != null)
{
vel.Y = 0;
}
else
{
pos.X += vel.X * dt;
pos.Y += vel.Y * dt;
}
}
}
}