public static bool CheckIntersection(Ray ray, PointCollider sphere, Translation sphereCenter)
{
float3 center = sphereCenter.Value + sphere.centerOffset;
float3 dir = center - (float3)ray.origin;
float dirSqLen = dir.x * dir.x + dir.y * dir.y + dir.z * dir.z;
float pointSqRad = sphere.radius * sphere.radius;
float distanceAlongRay;
if (dirSqLen < pointSqRad)
{
//point radius overlap with ray origin
return(true);
}
distanceAlongRay = math.dot(ray.direction, dir);
if (distanceAlongRay < 0)
{
return(false);
}
float dist = pointSqRad + distanceAlongRay * distanceAlongRay - dirSqLen;
return(!(dist < 0));
}
public static bool BoxWithPoint(BoxCollider collider, PointCollider other)
{
return(!(
(collider.Right <= other.Left) ||
(collider.Bottom <= other.Top) ||
(collider.Left >= other.Right) ||
(collider.Top >= other.Bottom)
));
}
public Crosshair()
{
pointCollider = new PointCollider(0, 0, ColliderTags.Crosshair);
AddCollider(pointCollider);
image.Scale = 0.1f;
image.CenterOrigin();
Layer = -1000;
AddGraphic(image);
MainScene.Instance.Add(this);
}
public static BlobAssetReference <QuadTree> CreateBlobAssetReference()
{
using (var builder = new BlobBuilder(Allocator.Temp)) {
ref var rootQuadTree = ref builder.ConstructRoot <QuadTree>();
var colliders = builder.Allocate(ref rootQuadTree.Colliders, 2);
LineCollider.Create(builder, ref colliders[0], new float2(1f, 20f), new float2(3f, 4f), 5f, 6f);
PointCollider.Create(builder, ref colliders[1], new float3(7f, 8f, 9f));
return(builder.CreateBlobAssetReference <QuadTree>(Allocator.Persistent));
}
public Shuriken() : base()
{
m_attack = new AttackComponent(1.0f, 0.1f);
m_sprite = new Sprite(Globals.TheGame, TextureLibrary.GetSpriteSheet("atk_shuriken", 1, 5), m_transform);
m_sprite.Origin = new Vector2(0.5f, 0.0f);
m_transform.Scale = new Vector2(3.0f, 3.0f);
m_animation = new SpriteSheetAnimation(m_sprite, 0, 4, 0.1f, 1);
m_pointCollider = new PointCollider(m_attack, Transform);
World.UL_Global.Add(this, 0);
World.DL_Foreground.Add(this, 0);
}
public override bool VSPoint(PointCollider col) => CollisionSystem.BoxVSPoint(Min, Max, col.Center);
public static bool PointWithPoint(PointCollider collider, PointCollider other)
{
return(Math.Abs(collider.Left - other.Left) < 1f ||
Math.Abs(collider.Top - other.Top) < 1f);
}
public static bool CircleWithPoint(CircleCollider collider, PointCollider other)
{
return(FeMath.Distance(collider.Position, other.Position) <= collider.Radius);
}
internal abstract bool CollidesWith(PointCollider other);
public override bool VSPoint(PointCollider col) => CollisionSystem.PointVSCircle(Center, col.Center, RadiusSqrd);
public override bool VSPoint(PointCollider col)
{
return(col.Center == Center);
}
public abstract bool VSPoint(PointCollider col);
