public override RayCastHit RayCast(Vector2 origin, Vector2 destination)
{
if (destination == origin)
{
return(null);
}
origin /= 100.0f;
destination /= 100.0f;
rayOrigin = origin;
rayCurBest = float.MaxValue;
rayActorHit = null;
try
{
world.RayCast(Nearest, origin, destination);
}
catch (Exception e)
{
return(new RayCastHit());
}
RayCastHit hit = new RayCastHit();
hit.actor = rayActorHit;
hit.worldImpact = hitPosition * 100.0f;
hit.worldNormal = hitNormal;
hit.Distance = (hit.worldImpact - (origin * 100)).Length();
return(hit);
}
public override RayCastHit RayCast(Vector2 origin, Vector2 destination)
{
if (destination == origin)
{
return null;
}
origin /= 100.0f;
destination /= 100.0f;
rayOrigin = origin;
rayCurBest = float.MaxValue;
rayActorHit = null;
try
{
world.RayCast(Nearest, origin, destination);
}
catch (Exception e)
{
return new RayCastHit();
}
RayCastHit hit = new RayCastHit();
hit.actor = rayActorHit;
hit.worldImpact = hitPosition * 100.0f;
hit.worldNormal = hitNormal;
hit.Distance = (hit.worldImpact - (origin*100)).Length();
return hit;
}
public void Move(Vector2 dir)
{
if (dir == Vector2.Zero)
{
return; // not interested in zero movement
}
body.IgnoreRayCast = true;
Vector2 rayStart = position;
if (dir.X > 0)
{
rayStart.X += dim.X / 2.0f - 1;
}
else if (dir.X < 0)
{
rayStart.X -= dim.X / 2.0f - 1.0f;
}
if (dir.Y > 0)
{
rayStart.Y += dim.Y / 2.0f - 1.0f;
}
else if (dir.Y < 0)
{
rayStart.Y -= dim.Y / 2.0f - 1.0f;
}
RayCastHit hit = world.RayCast(position, rayStart + dir);
if (hit != null)
{
if (hit.actor == null)
{
body.Position += dir;
}
else
{
Vector2 hitPoint = hit.worldImpact;
Vector2 targetPos = rayStart + dir;
dir = targetPos - hitPoint;
float leftPart = hitPoint.X - dim.X / 2.0f;
float rightPart = hitPoint.X + dim.X / 2.0f;
float leftOverlap = leftPart - hitPoint.X;
float rightOverlap = rightPart - hitPoint.X;
body.Position += dir;// hitPoint;// -new Vector2(dim.X / 2.0f, 0);// dir;
// body.PosX = leftPart;
dir *= 1.0001f;
if (hitPoint.X > (rayStart + dir).X && dir.X < 0)
{
RayCastHit sidehit = world.RayCast(rayStart, new Vector2(dir.X, 0) + rayStart);
if (sidehit.actor != null)
{
body.PosX = sidehit.worldImpact.X + dim.X / 2.0f;
}
}
else if (hitPoint.X < (rayStart + dir).X && dir.X > 0)
{
RayCastHit sidehit = world.RayCast(rayStart, new Vector2(dir.X, 0) + rayStart);
if (sidehit.actor != null)
{
body.PosX = sidehit.worldImpact.X - dim.X / 2.0f;
}
}
if (hitPoint.Y > (rayStart + dir).Y && dir.Y < 0)
{
RayCastHit sidehit = world.RayCast(rayStart, new Vector2(0, dir.Y) + rayStart);
if (sidehit.actor != null)
{
body.PosY = sidehit.worldImpact.Y + dim.Y / 2.0f;
}
}
else if (hitPoint.Y < (rayStart + dir).Y && dir.Y > 0)
{
RayCastHit sidehit = world.RayCast(rayStart, new Vector2(0, dir.Y) + rayStart);
if (sidehit.actor != null)
{
body.PosY = sidehit.worldImpact.Y - dim.Y / 2.0f;
}
}
}
}
position = body.Position;
}
