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Code Issues Releases Wiki Activity

support for weighted 3dwalls

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Zeno Rogue
2019-07-25 12:18:13 +02:00
parent 9cb955757e
commit 24a23e477b
2 changed files with 25 additions and 22 deletions
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4
hyper.h
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@@ -4361,6 +4361,8 @@ static const int WINGS = (BADMODEL ? 1 : 4);
typedef array<hpcshape, WINGS+1> hpcshape_animated;
extern vector<ld> equal_weights;
struct geometry_information {
/* basic geometry parameters */
@@ -4577,7 +4579,7 @@ hpcshape
void pushShape(usershapelayer& ds);
void make_sidewalls();
void procedural_shapes();
void make_wall(int id, vector<hyperpoint> vertices, bool force_triangles = false);
void make_wall(int id, const vector<hyperpoint> vertices, vector<ld> weights = equal_weights);
void create_wall3d();
void configure_floorshapes();

43
polygons.cpp
View File

@@ -682,12 +682,11 @@ void geometry_information::procedural_shapes() {
#if CAP_BT && MAXMDIM >= 4
// Make a wall for horocycle-based honeycombs
// flags:
// 1 = first edge should be doubled
// 2 = use POLY_TRIANGLES
// 4 = this is is a triangular face; otherwise, the face is rectangular, and x1+x2-x0 is the fourth vertex
void geometry_information::make_wall(int id, vector<hyperpoint> vertices, bool force_triangles) {
// Make a wall
vector<ld> equal_weights(20, 1);
void geometry_information::make_wall(int id, vector<hyperpoint> vertices, vector<ld> weights) {
using namespace hyperpoint_vec;
// orient correctly
@@ -697,7 +696,8 @@ void geometry_information::make_wall(int id, vector<hyperpoint> vertices, bool f
set_column(T, 2, vertices[2]);
set_column(T, 3, C0);
if(det(T) < 0)
reverse(vertices.begin(), vertices.end());
reverse(vertices.begin(), vertices.end()),
reverse(weights.begin(), weights.end());
ld yy = log(2) / 2;
@@ -705,9 +705,10 @@ void geometry_information::make_wall(int id, vector<hyperpoint> vertices, bool f
last->flags |= POLY_TRIANGLES;
hyperpoint center = Hypc;
for(auto v: vertices) center += v;
int n = isize(vertices);
center /= n;
ld w = 0;
for(int i=0; i<n; i++) center += vertices[i] * weights[i], w += weights[i];
center /= w;
for(int a=0; a<n; a++) {
hyperpoint v1 = vertices[a] - center;
@@ -765,10 +766,10 @@ void geometry_information::create_wall3d() {
hyperpoint h22 = point3(+1,+1,-1);
hyperpoint down = point3(0,0,2);
make_wall(0, make4(h11, h01, h10), true);
make_wall(1, make4(h11, h21, h10), true);
make_wall(2, make4(h11, h01, h12), true);
make_wall(3, make4(h11, h21, h12), true);
make_wall(0, make4(h11, h01, h10));
make_wall(1, make4(h11, h21, h10));
make_wall(2, make4(h11, h01, h12));
make_wall(3, make4(h11, h21, h12));
make_wall(4, make5(h00, h02, h00+down));
make_wall(5, make5(h20, h22, h20+down));
make_wall(6, make5(h00, h20, h00+down));
@@ -790,9 +791,9 @@ void geometry_information::create_wall3d() {
hyperpoint d1 = -2 * t1 + shift;
hyperpoint d2 = -2 * t2 + shift;
make_wall(0, {t0, t1, t2}, true);
make_wall(1, {d0, t1, t2}, true);
make_wall(2, {t0, d1, t2}, true);
make_wall(0, {t0, t1, t2});
make_wall(1, {d0, t1, t2});
make_wall(2, {t0, d1, t2});
make_wall(3, {t0, t1, d2});
make_wall(4, make5(d2, d1, d2 + down));
make_wall(5, make5(d0, d2, d0 + down));
@@ -813,8 +814,8 @@ void geometry_information::create_wall3d() {
hyperpoint down = point3(0,0,1);
make_wall(0, make4(a00, a01, a10), true);
make_wall(1, make4(a10, a11, a20), true);
make_wall(0, make4(a00, a01, a10));
make_wall(1, make4(a10, a11, a20));
make_wall(2, make5(a01, a21, a01+down));
make_wall(3, make4(a21, a20, a21+down));
make_wall(4, make5(a20, a00, a20+down));
@@ -846,7 +847,7 @@ void geometry_information::create_wall3d() {
}
make_wall(12, {point3(3*h,r3,z), point3(0,2*r3,z), point3(-3*h,r3,z)});
make_wall(13, {point3(3*h,r3,z), point3(3*h,-r3,z), point3(0,-2*r3,z), point3(-3*h,-r3,z), point3(-3*h,r3,z)}, true);
make_wall(13, {point3(3*h,r3,z), point3(3*h,-r3,z), point3(0,-2*r3,z), point3(-3*h,-r3,z), point3(-3*h,r3,z)});
}
if(DIM == 3 && euclid && S7 == 6) {
@@ -862,7 +863,7 @@ void geometry_information::create_wall3d() {
int z = (y+2)%3;
vertices.push_back(hpxy3(t[x]/2., t[y]/2., t[z]/2.));
}
make_wall(w, vertices, 0);
make_wall(w, vertices);
}
}
@@ -912,7 +913,7 @@ void geometry_information::create_wall3d() {
vector<hyperpoint> vertices;
for(int a=0; a<facesize; a++)
vertices.push_back(reg3::cellshape[w*facesize+a]);
make_wall(w, vertices, 0);
make_wall(w, vertices);
}
}