public PressureBody(Shape s, float mass, float gasPressure, float edgeSpringK, float edgeSpringDamp, float shapeSpringK, float shapeSpringDamp)
: base(s, mass, edgeSpringK, edgeSpringDamp, shapeSpringK, shapeSpringDamp)
{
pressure = gasPressure;
normal_list = new Vector2[count];
edgelength_list = new float[count];
}
public Body(Shape shape, float mass)
{
this.base_shape = shape;
this.curr_shape = shape.Clone();
this.count = shape.count;
this.pointmass_list = new PointMass[shape.count];
for (int i = 0; i < shape.count; i++)
pointmass_list[i] = new PointMass(shape.points[i], mass);
this.bitmaskx = new Bitmask();
this.bitmasky = new Bitmask();
}
public void BuildWall(Plane p)
{
ShapeBuilder shapebuilder = new ShapeBuilder(model);
Matrix transform = GetTransform();
Vector2[] points = shapebuilder.GetShape(ref transform, p);
shape = new Shape(points, false);
offset = shape.GetCenter() - new Vector2(position.X, position.Y);
shape.CenterAtZero();
body = new Body(shape, float.MaxValue);
body.position.X = position.X + offset.X;
body.position.Y = position.Y + offset.Y;
body.is_static = true;
body.Update(0);
}
public Enemy()
{
float scale = 0.5f;
Vector2[] points = new Vector2[]
{
new Vector2(0,0),
new Vector2(0,scale*0.5f),
new Vector2(scale*0.5f,scale*0.5f),
new Vector2(scale*0.5f,0),
};
shape = new Shape(points, true);
body = new PressureBody(shape, 1, 1, 1300, 20, 1000, 20);
max_speed = 2;
radius = 2f;
}
public SpringBody(Shape shape, float mass, float edgeSpringK, float edgeSpringDamp, float shapeSpringK, float shapeSpringDamp)
: base(shape, mass)
{
is_constrained = true;
spring_list = new List<Spring>();
spring_pointmass_list = new List<PointMass>();
shape_k = shapeSpringK;
shape_damping = shapeSpringDamp;
edge_k = edgeSpringK;
edge_damping = edgeSpringDamp;
// build default springs.
int i;
for (i = 0; i < count - 1; i++)
this.Add(new Spring(pointmass_list[i], pointmass_list[i + 1], edgeSpringK, edgeSpringDamp));
this.Add(new Spring(pointmass_list[i], pointmass_list[0], edgeSpringK, edgeSpringDamp));
}
public Bubble(float scale)
{
this.scale = scale;
this.curr_size = k.Length - 1;
this.alpha = 1f;
this.max_speed = 1.5f;
List<Vector2> circle = new List<Vector2>();
for (int i = 0; i < 360; i += 40)
circle.Add(new Vector2((float)Math.Cos(MathHelper.ToRadians((float)-i)) * (scale + 0.005f), (float)Math.Sin(MathHelper.ToRadians((float)-i)) * (scale + 0.005f)));
shape = new Shape(circle.ToArray(), true);
body = new PressureBody(shape, 1, pressure[curr_size], k[curr_size], 20.0f, k[curr_size], 20.0f);
vertices = circle;
vertices.Add(Vector2.Zero);
texture_coords = new List<Vector2>();
for (int i = 0; i < circle.Count-1; i++)
{
Vector2 point = circle[i];
if (point.X + point.Y != 0)
{
point.Normalize();
point *= 1.025f;
point.X = (point.X + 1) * 0.5f;
point.Y = (point.Y + 1) * 0.5f;
}
texture_coords.Add(point);
}
texture_coords.Add(new Vector2(0.5f, 0.5f));
SetSize(0);
material = Resources.spriterenderer_material;
}
