//Collision between two circles
public static bool Collision(CircleHitbox circle1, CircleHitbox circle2)
{
if (circle1.Position.EuclideanDistance(circle2.Position) < (circle1.Radius + circle2.Radius))
{
return true;
}
else
{
return false;
}
}
//Collision between a polygon and a circle
public static bool Collision(CircleHitbox circle, PolygonHitbox polygon)
{
bool value = false;
foreach (Vector2 vector in polygon.Vectors)
{
if (circle.Contains(vector))
{
value = true;
break;
}
}
return value;
}
public Bullet(InGameState Game, Vector2 position, Vector2 direction , double startTime)
: base(Game, null, position)
{
//we dont want bullets to loop around the screen when then go off the screen
Loop = false;
//we set the initial velocity which never lowers as theres no friction
Velocity = direction * BulletSpeed;
//set the start time so we cna kill off the bullet after an interval
this.startTime = startTime;
//Create a collision shape for the bullet
hitbox = new CircleHitbox(this, 2);
}
public Asteroid(InGameState Game, Vector2 StartPosition, AsteroidSize size)
: base(Game, new LineModel(AsteroidLarge1Vectors), StartPosition)
{
this.size = size;
Velocity = Vector2.RandomVector2(new Vector2(-50, -50), new Vector2(50, 50)).Normalise() * 2;
switch (size)
{
case AsteroidSize.Large:
this.Model.Scale = 1;
break;
case AsteroidSize.Medium:
this.Model.Scale = 0.5;
break;
case AsteroidSize.Small:
this.Model.Scale = 0.35;
break;
}
hitbox = new CircleHitbox(this, Model.GetRadius());
}
public Asteroid(InGameState Game, Vector2 StartPosition, Vector2 velocity, AsteroidSize size)
: base(Game, new LineModel(AsteroidLarge1Vectors), StartPosition)
{
this.size = size;
Velocity = velocity;
switch (size)
{
case AsteroidSize.Large:
this.Model.Scale = 1;
break;
case AsteroidSize.Medium:
this.Model.Scale = 0.5;
break;
case AsteroidSize.Small:
this.Model.Scale = 0.35;
break;
}
hitbox = new CircleHitbox(this, Model.GetRadius());
}