/// <summary>
/// Returns a 2D convex polygon outline of the intersection between two
/// hit boxes. This can be rendered as a Shape2D component.
/// </summary>
public NativeArray <float2> DetailedHitBoxOverlapInformation(Entity e, HitBoxOverlap overlap, Allocator allocator = Allocator.Temp)
{
if (e == Entity.Null || overlap.otherEntity == Entity.Null)
{
return(new NativeArray <float2>(0, allocator));
}
if (e == overlap.otherEntity)
{
Assert.IsTrue(false, "DetailedOverlapInformation is trying to check an entity with itself.");
return(new NativeArray <float2>(0, allocator));
}
NativeArray <float2> result;
unsafe
{
float *temp = stackalloc float [16];
int nresult = DetailedOverlapInformationNative(cppWrapper, e, overlap, (float2 *)temp);
result = new NativeArray <float2>(nresult, allocator);
for (int i = 0; i < nresult; i++)
{
result[i] = new float2(temp[i * 2], temp[i * 2 + 1]);
}
}
return(result);
}
protected static extern unsafe int DetailedOverlapInformationNative(IntPtr emr, Entity e, HitBoxOverlap overlap, float2 *result);