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Add OccluderShapePolygon

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Add OccluderShapePolygon, glue to Occluder and gizmos etc.
This commit is contained in:
lawnjelly
2021-08-17 13:40:39 +01:00
parent b5eef640e1
commit 8ea20f5fdd
32 changed files with 2065 additions and 84 deletions
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29
core/math/geometry.h
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@ -555,11 +555,17 @@ public:
double dot11 = v1.dot(v1);
double dot12 = v1.dot(v2);
// Check for divide by zero
double denom = dot00 * dot11 - dot01 * dot01;
if (denom == 0.0) {
return Vector3(0.0, 0.0, 0.0);
}
// Compute barycentric coordinates
double invDenom = 1.0f / (dot00 * dot11 - dot01 * dot01);
double invDenom = 1.0 / denom;
double b2 = (dot11 * dot02 - dot01 * dot12) * invDenom;
double b1 = (dot00 * dot12 - dot01 * dot02) * invDenom;
double b0 = 1.0f - b2 - b1;
double b0 = 1.0 - b2 - b1;
return Vector3(b0, b1, b2);
}
@ -978,6 +984,24 @@ public:
Vector<Vector3> vertices;
void optimize_vertices();
void clear();
};
// Occluder Meshes contain convex faces which may contain 0 to many convex holes.
// (holes are analogous to portals)
struct OccluderMeshData {
struct Hole {
LocalVectori<uint32_t> indices;
};
struct Face {
Plane plane;
bool two_way = false;
LocalVectori<uint32_t> indices;
LocalVectori<Hole> holes;
};
LocalVectori<Face> faces;
LocalVectori<Vector3> vertices;
void clear();
};
_FORCE_INLINE_ static int get_uv84_normal_bit(const Vector3 &p_vector) {
@ -1070,6 +1094,7 @@ public:
static PoolVector<Plane> build_cylinder_planes(real_t p_radius, real_t p_height, int p_sides, Vector3::Axis p_axis = Vector3::AXIS_Z);
static PoolVector<Plane> build_capsule_planes(real_t p_radius, real_t p_height, int p_sides, int p_lats, Vector3::Axis p_axis = Vector3::AXIS_Z);
static void sort_polygon_winding(Vector<Vector2> &r_verts, bool p_clockwise = true);
static real_t find_polygon_area(const Vector3 *p_verts, int p_num_verts);
static void make_atlas(const Vector<Size2i> &p_rects, Vector<Point2i> &r_result, Size2i &r_size);