/*!
\brief Clamp point to scene.
\ingroup Render
*/
dmz::Boolean
dmz::isect_clamp_point (
const Vector Value,
RenderModuleIsect &isect,
Vector &point,
Vector &normal) {
Boolean result (False);
Vector offset (0.0, 1.5, 0.0);
Vector start (Value + offset);
IsectParameters parameters;
IsectTestContainer test;
IsectResultContainer isectResults;
test.set_test (1, IsectRayTest, start, Down);
if (isect.do_isect (parameters, test, isectResults)) {
result = isect_validate_point (Value, Down, isectResults, point, normal);
}
if (!result) {
start = Value - offset;
test.set_test (1, IsectRayTest, start, Up);
if (isect.do_isect (parameters, test, isectResults)) {
result = isect_validate_point (Value, Up, isectResults, point, normal);
}
}
return result;
}
// TimeSlice Interface
void
dmz::WeaponPluginGravityBullet::update_time_slice (const Float64 TimeDelta) {
ObjectModule *objMod (get_object_module ());
if (objMod && _isectMod) {
const Vector GravityVel (0.0, (-_gravity) * TimeDelta, 0.0);
HashTableHandleIterator it;
IsectParameters params;
params.set_test_result_type (IsectClosestPoint);
Float64 *speedPtr (_objectTable.get_first (it));
while (speedPtr) {
Handle obj (it.get_hash_key ());
Vector pos;
Matrix ori;
Vector vel;
objMod->lookup_position (obj, _defaultHandle, pos);
objMod->lookup_orientation (obj, _defaultHandle, ori);
objMod->lookup_velocity (obj, _defaultHandle, vel);
vel += GravityVel;
objMod->store_velocity (obj, _defaultHandle, vel);
const Vector NewPos (pos + (vel * TimeDelta));
IsectTestContainer test;
IsectResultContainer isectResults;
test.set_test (1, IsectSegmentTest, pos, NewPos);
_isectMod->disable_isect (obj);
if (_isectMod->do_isect (params, test, isectResults)) {
if (_eventMod) {
IsectResult value;
isectResults.get_first (value);
Handle target (0);
value.get_object_handle (target);
_eventMod->create_detonation_event (obj, target);
}
objMod->destroy_object (obj);
}
else {
objMod->store_position (obj, _defaultHandle, NewPos);
objMod->store_velocity (obj, _defaultHandle, vel);
}
_isectMod->enable_isect (obj);
speedPtr = _objectTable.get_next (it);
}
}
}
