public static IntersectResult intersect(this aabb2 aabb, vec2 v)
{
if (v.x < aabb.a.x && v.x > aabb.b.x)
{
return(IntersectResult.None);
}
if (v.y < aabb.a.y && v.y > aabb.b.y)
{
return(IntersectResult.None);
}
if ((v.x == aabb.a.x || v.x == aabb.b.x) && (v.y == aabb.a.y && v.y == aabb.b.y))
{
return(IntersectResult.Intersect);
}
return(IntersectResult.Contain1);
}
public static IntersectResult intersect(this aabb2 aabb, triangle <vec2> tri)
{
int siflags = 0x000000;
for (int i = 0; i < tri.p.Length; i++)
{
var r = aabb.intersect(tri.p[i]);
siflags = (int)(r) << (i << 8);
}
if (siflags == 0x010101)
{
return(IntersectResult.Contain1);
}
return(IntersectResult.None);
}
public void UVMapPlane(Plane plane, vec3 forward, aabb2 uvrect, int[] vs)
{
vec2[] pvs = new vec2[vs.Length];
aabb2 b = aabb2.empty;
Quaternion q = Quaternion.LookRotation(MathEx.Convert.ToVector3(forward), plane.normal);
for (int i = 0; i < vs.Length; i++)
{
pvs[i] = MathEx.Convert.ToVec3(q * MathEx.Convert.ToVector3(vertices[vs[i]])).xz();
b = b.Extend(pvs[i]);
}
Debug.Log(b);
for (int i = 0; i < vs.Length; i++)
{
uvs[vs[i]] = uvrect.a + uvrect.size.Mul((pvs[i] - b.a).Div(b.size));
Debug.Log(uvs[vs[i]]);
}
}
public static IntersectResult intersect(this aabb2 aabb, aabb2 v)
{
int resA = aabb.Position(v.a);
int resB = aabb.Position(v.b);
if ((resA & resB) != 0)
{
return(IntersectResult.None);
}
if (resA == 0 && resB == 0)
{
return(IntersectResult.Contain1);
}
if ((resA | resB) == 15)
{
return(IntersectResult.Contain2);
}
return(IntersectResult.Intersect);
}
