public static RaySegmentsShape CreateRays(RaySegment[] raySegments)
{
RaySegmentsShape rayShape = new RaySegmentsShape(raySegments);
rayShape.Tag = new RaysSegmentsDrawable(rayShape);
return(rayShape);
}
void SetShape(RaySegmentsShape shape)
{
current = new RaySegmentsCollisionInfo[shape.Segments.Length];
next = new RaySegmentsCollisionInfo[shape.Segments.Length];
Init(current);
Init(next);
}
public RaysSegmentsDrawable(RaySegmentsShape shape)
{
this.shape = shape;
this.array = new Vector2D[shape.Segments.Length * 2];
for (int index = 0; index < shape.Segments.Length; ++index)
{
RaySegment segment = shape.Segments[index];
Ray ray = segment.RayInstance;
array[index * 2] = ray.Origin;
array[index * 2 + 1] = ray.Origin + ray.Direction * segment.Length;
}
}
public RaySegmentsCollisionLogic(Body body)
: base(GetLifespan(body))
{
this.body = body;
RaySegmentsShape shape = body.Shape as RaySegmentsShape;
if (shape == null)
{
throw new ArgumentException("the shape must be a RaySegmentsShape");
}
SetShape(shape);
body.LifetimeChanged += OnLifetimeChanged;
body.ShapeChanged += OnShapeChanged;
body.Collided += OnCollided;
}
void OnShapeChanged(object sender, EventArgs e)
{
RaySegmentsShape newShape = body.Shape as RaySegmentsShape;
if (newShape == null)
{
this.Lifetime = new Lifespan();
this.Lifetime.IsExpired = true;
ClearEvents();
}
else
{
SetShape(newShape);
}
}
void DrawInternal()
{
if (entity.Shape.Tag is Sprite)
{
Sprite s = (Sprite)entity.Shape.Tag;
s.Draw();
if (DrawLinesAndNormalsForSprites)
{
foreach (Vector2D[] vertexes in s.Polygons)
{
Gl.glLineWidth(1);
Gl.glBegin(Gl.GL_LINES);
Vector2D v1 = vertexes[vertexes.Length - 1];
Vector2D v2;
for (int index = 0; index < vertexes.Length; ++index, v1 = v2)
{
v2 = vertexes[index];
Gl.glColor3f(1, 1, 1);
Gl.glVertex2f(v1.X, v1.Y);
Gl.glColor3f(1, 0, 0);
Gl.glVertex2f(v2.X, v2.Y);
DrawNormal(ref v1, ref v2);
}
Gl.glEnd();
}
}
}
else if (entity.Shape is ParticleShape)
{
Gl.glBegin(Gl.GL_POINTS);
Gl.glColor3f(1, 0, 0);
//Gl.glColor3d(rand.NextDouble(), rand.NextDouble(), rand.NextDouble());
foreach (Vector2D vector in entity.Shape.Vertexes)
{
Gl.glVertex2f((Scalar)vector.X, (Scalar)vector.Y);
}
Gl.glEnd();
}
else if (entity.Shape is RaySegmentsShape)
{
Gl.glLineWidth(1);
RaySegmentsShape collection = (RaySegmentsShape)entity.Shape;
Gl.glBegin(Gl.GL_LINES);
for (int index = 0; index < collection.Segments.Length; ++index)
{
Gl.glColor3f(1, 0, 1);
RaySegment ray = collection.Segments[index];
Gl.glVertex2f(ray.RayInstance.Origin.X, ray.RayInstance.Origin.Y);
Scalar length;
if (logic.Collisions[index].Distance == -1)
{
length = ray.Length;
}
else
{
length = logic.Collisions[index].Distance;
}
Vector2D temp = ray.RayInstance.Origin + ray.RayInstance.Direction * length;
Gl.glColor3f(1, 1, 1);
Gl.glVertex2f(temp.X, temp.Y);
}
Gl.glEnd();
}
else
{
Gl.glBegin(Gl.GL_POLYGON);
bool first = true;
bool second = true;
foreach (Vector2D vector in entity.Shape.Vertexes)
{
if (first)
{
Gl.glColor3f(1, .5f, 0);
first = false;
}
else if (second)
{
Gl.glColor3f(1, 1, 1);
second = false;
}
Gl.glVertex2f((Scalar)vector.X, (Scalar)vector.Y);
}
Gl.glEnd();
}
}
