public ResultFindDistance(bool start, float shorTest, float rLen, ObjectLight closestBlock)
{
Start = start;
ShorTest = shorTest;
RLen = rLen;
ClosestBlock = closestBlock;
}
public ResultFindDistance FindDistance(Light light, ObjectLight block, float angle, float rLen, bool start, float shorTest, ObjectLight closestBlock)
{
var x = 0.0f;
var y = 0.0f;
if (typeof(Circle) == block.GetType())
{
var o = (Circle)block;
y = (block.Y + o.Radius) - light.Position.Y;
x = (block.X + o.Radius) - light.Position.X;
}
else if (typeof(Block) == block.GetType())
{
var o = (Block)block;
y = (block.Y + o.Width / 2) - light.Position.Y;
x = (block.X + o.Height / 2) - light.Position.X;
}
var dist = (float)Math.Sqrt((y * y) + (x * x));
if (light.Radius >= dist)
{
var rads = angle * (float)(Math.PI / 180);
var pointPos = new Vec2(light.Position.X, light.Position.Y);
pointPos.X += (float)(Math.Cos(rads) * dist);
pointPos.Y += (float)(Math.Sin(rads) * dist);
bool isIntersect = false;
if (typeof(Circle) == block.GetType())
{
var o = (Circle)block;
if (pointPos.X > o.Position.X && pointPos.X < o.Position.X + o.Radius * 2 &&
pointPos.Y > o.Position.Y && pointPos.Y < o.Position.Y + o.Radius * 2)
{
isIntersect = true;
}
}
else if (typeof(Block) == block.GetType())
{
var o = (Block)block;
if (pointPos.X > o.Position.X && pointPos.X < o.Position.X + o.Width &&
pointPos.Y > o.Position.Y && pointPos.Y < o.Position.Y + o.Height)
{
isIntersect = true;
}
}
if (isIntersect)
{
if (start || dist < shorTest)
{
start = false;
shorTest = dist;
rLen = dist;
closestBlock = block;
}
return(new ResultFindDistance(start, shorTest, rLen, closestBlock));
}
}
return(new ResultFindDistance(start, shorTest, rLen, closestBlock));
}
