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fluid capping options

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This commit is contained in:
Zachary Pavlov 2007-10-09 01:19:34 +00:00
parent 31fb723776
commit 6a0d9b0a3b
4 changed files with 14 additions and 0 deletions
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7
panda/src/collide/collisionLevelStateBase.cxx
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@ -19,6 +19,7 @@
#include "collisionLevelStateBase.h"
#include "collisionSolid.h"
#include "collisionNode.h"
#include "config_collide.h"
#include "dcast.h"
PStatCollector CollisionLevelStateBase::_node_volume_pcollector("Collision Volumes:PandaNode");
@ -75,6 +76,11 @@ prepare_collider(const ColliderDef &def, const NodePath &root) {
// with. That makes things complicated!
if (bv->as_bounding_sphere()) {
LPoint3f pos_delta = def._node_path.get_pos_delta(root);
LVector3f cap(pos_delta);
if(cap.length()>fluid_cap_amount) {
pos_delta=LPoint3f(cap/cap.length())*fluid_cap_amount;
}
if (pos_delta != LVector3f::zero()) {
// If the node has a delta, we have to include the starting
// position in the volume as well. We only do this for bounding
@ -84,6 +90,7 @@ prepare_collider(const ColliderDef &def, const NodePath &root) {
LMatrix4f inv_trans = LMatrix4f::translate_mat(-pos_delta);
PT(GeometricBoundingVolume) gbv_prev;
gbv_prev = DCAST(GeometricBoundingVolume, bv->make_copy());
gbv_prev->xform(inv_trans);
gbv->extend_by(gbv_prev);
}

2
panda/src/collide/collisionLevelStateBase.h
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@ -30,9 +30,11 @@
#include "plist.h"
#include "pStatCollector.h"
#include "bitMask.h"
#include "lvector3.h"
#include "register_type.h"
#include "collisionSolid.h"
class CollisionSolid;
class CollisionNode;

3
panda/src/collide/config_collide.cxx
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@ -86,6 +86,9 @@ ConfigVariableBool flatten_collision_nodes
"to be efficient, and combining CollisionNodes is likely "
"to merge bounding volumes inappropriately."));
ConfigVariableInt fluid_cap_amount
("fluid-cap-amount", 100,
PRC_DESC("ensures that fluid pos doesn't check beyond X feet"));
////////////////////////////////////////////////////////////////////
// Function: init_libcollide

2
panda/src/collide/config_collide.h
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@ -22,6 +22,7 @@
#include "pandabase.h"
#include "notifyCategoryProxy.h"
#include "configVariableBool.h"
#include "configVariableInt.h"
NotifyCategoryDecl(collide, EXPCL_PANDA_COLLIDE, EXPTP_PANDA_COLLIDE);
@ -29,6 +30,7 @@ extern EXPCL_PANDA_COLLIDE ConfigVariableBool respect_prev_transform;
extern EXPCL_PANDA_COLLIDE ConfigVariableBool respect_effective_normal;
extern EXPCL_PANDA_COLLIDE ConfigVariableBool allow_collider_multiple;
extern EXPCL_PANDA_COLLIDE ConfigVariableBool flatten_collision_nodes;
extern EXPCL_PANDA_COLLIDE ConfigVariableInt fluid_cap_amount;
extern EXPCL_PANDA_COLLIDE void init_libcollide();