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bam2egg: generate a sphere from polygon with four vertices instead of two

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rdb 2017-02-20 15:09:11 +01:00
parent b113d9db55
commit 6104e75eb0
1 changed files with 8 additions and 4 deletions
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12
panda/src/egg2pg/eggSaver.cxx
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@ -482,7 +482,7 @@ convert_collision_node(CollisionNode *node, const WorkingNodePath &node_path,
} else if (child->is_of_type(CollisionSphere::get_class_type())) {
CPT(CollisionSphere) sphere = DCAST(CollisionSphere, child);
LPoint3 center = sphere->get_center();
LVector3 offset(sphere->get_radius(), 0, 0);
PN_stdfloat radius = sphere->get_radius();
EggGroup *egg_sphere;
if (num_solids == 1) {
@ -499,15 +499,19 @@ convert_collision_node(CollisionNode *node, const WorkingNodePath &node_path,
}
egg_sphere->set_collide_flags(flags);
EggVertex ev1, ev2;
ev1.set_pos(LCAST(double, (center + offset) * net_mat));
ev2.set_pos(LCAST(double, (center - offset) * net_mat));
EggVertex ev1, ev2, ev3, ev4;
ev1.set_pos(LCAST(double, (center + LVector3(radius, 0, 0)) * net_mat));
ev2.set_pos(LCAST(double, (center + LVector3(0, radius, 0)) * net_mat));
ev3.set_pos(LCAST(double, (center + LVector3(-radius, 0, 0)) * net_mat));
ev4.set_pos(LCAST(double, (center + LVector3(0, -radius, 0)) * net_mat));
EggPolygon *egg_poly = new EggPolygon;
egg_sphere->add_child(egg_poly);
egg_poly->add_vertex(cvpool->create_unique_vertex(ev1));
egg_poly->add_vertex(cvpool->create_unique_vertex(ev2));
egg_poly->add_vertex(cvpool->create_unique_vertex(ev3));
egg_poly->add_vertex(cvpool->create_unique_vertex(ev4));
} else if (child->is_of_type(CollisionPlane::get_class_type())) {
LPlane plane = DCAST(CollisionPlane, child)->get_plane();