/// <summary>
/// Checks whether the point is inside a collider.
/// </summary>
/// <remarks>
/// This method can check against all types of colliders,
/// including <c>TerrainCollider</c> and concave <c>MeshCollider</c>.
/// </remarks>
/// <param name="collider">
/// The collider to check against.
/// </param>
/// <param name="point">
/// The point being checked.
/// </param>
/// <param name="specificTest">
/// Defines a kind of specific collision test that must be done against <paramref name="collider"/>.
/// </param>
/// <returns>
/// <c>true</c> if the <paramref name="point"/> is inside the <paramref name="collider"/>,
/// <c>false</c> otherwise.
/// </returns>
public static bool IsPointInsideCollider(Collider collider, Vector3 point, ColliderSpecificTestEnum specificTest = ColliderSpecificTestEnum.None)
{
RaycastHit hit;
if (specificTest == ColliderSpecificTestEnum.None)
{
#if !UNITY_FLASH
if (collider is TerrainCollider)
{
if (!collider.Raycast(new Ray(point, Vector3.up), out hit, collider.bounds.size.y))
{
return(false);
}
}
else
#endif
if (collider is MeshCollider && !((MeshCollider)collider).convex)
{
if (!IsPointInsideMeshCollider(collider, point))
{
return(false);
}
}
else
{
Vector3 direction = collider.bounds.center - point;
float directionMagnitude = direction.sqrMagnitude;
if (directionMagnitude > 0.0001f &&
collider.Raycast(new Ray(point, direction.normalized), out hit, FastFunctions.FastSqrt(directionMagnitude)))
{
return(false);
}
}
}
else
{
if (specificTest == ColliderSpecificTestEnum.Terrain)
{
if (!collider.Raycast(new Ray(point + Vector3.up * collider.bounds.size.y, Vector3.down), out hit, collider.bounds.size.y))
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Checks whether the point is inside a collider.
/// </summary>
/// <remarks>
/// This method can check against all types of colliders,
/// including <c>TerrainCollider</c> and concave <c>MeshCollider</c>.
/// </remarks>
/// <param name="collider">
/// The collider to check against.
/// </param>
/// <param name="point">
/// The point being checked.
/// </param>
/// <param name="specificTest">
/// Defines a kind of specific collision test that must be done against <paramref name="collider"/>.
/// </param>
/// <returns>
/// <c>true</c> if the <paramref name="point"/> is inside the <paramref name="collider"/>,
/// <c>false</c> otherwise.
/// </returns>
public static bool IsPointInsideCollider(Collider collider, Vector3 point, ColliderSpecificTestEnum specificTest = ColliderSpecificTestEnum.None) {
RaycastHit hit;
if (specificTest == ColliderSpecificTestEnum.None) {
#if !UNITY_FLASH
if (collider is TerrainCollider) {
if (!collider.Raycast(new Ray(point, Vector3.up), out hit, collider.bounds.size.y)) {
return false;
}
} else
#endif
if (collider is MeshCollider && !((MeshCollider) collider).convex) {
if (!IsPointInsideMeshCollider(collider, point)) {
return false;
}
} else {
Vector3 direction = collider.bounds.center - point;
float directionMagnitude = direction.sqrMagnitude;
if (directionMagnitude > 0.0001f &&
collider.Raycast(new Ray(point, direction.normalized), out hit, FastFunctions.FastSqrt(directionMagnitude))) {
return false;
}
}
} else {
if (specificTest == ColliderSpecificTestEnum.Terrain) {
if (!collider.Raycast(new Ray(point + Vector3.up * collider.bounds.size.y, Vector3.down), out hit, collider.bounds.size.y)) {
return false;
}
}
}
return true;
}
