ilikecats/stk-code_catmod
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Added support for spherical physical objects (e.g. rock tumbling down), plus

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automatic reset if the objects falls off the track.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1704 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
hikerstk 2008-04-20 23:30:28 +00:00
parent 6876a60e41
commit c6ce384a02
1 changed files with 20 additions and 6 deletions
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26
src/moving_physics.cpp
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@ -43,9 +43,10 @@ MovingPhysics::MovingPhysics(const std::string data)
}
parameters.erase(parameters.begin());
std::string &shape=parameters[0];
m_body_type = BODY_NONE;
if(shape=="cone") m_body_type = BODY_CONE;
if(shape=="box" ) m_body_type = BODY_BOX;
m_body_type = MP_NONE;
if(shape=="cone" ) m_body_type = MP_CONE;
else if(shape=="box" ) m_body_type = MP_BOX;
else if(shape=="sphere" ) m_body_type = MP_SPHERE;
parameters.erase(parameters.begin());
// Scan for additional parameters, which are in the form of keyword=value
@ -155,16 +156,21 @@ void MovingPhysics::init()
m_half_height = 0.5f*(z_max-z_min);
switch (m_body_type)
{
case BODY_CONE: radius = 0.5f*std::max(x_max-x_min, y_max-y_min);
case MP_CONE: radius = 0.5f*std::max(x_max-x_min, y_max-y_min);
m_shape = new btConeShapeZ(radius, z_max-z_min);
setName("cone");
break;
case BODY_BOX: m_shape = new btBoxShape(btVector3(0.5f*(x_max-x_min),
case MP_BOX: m_shape = new btBoxShape(btVector3(0.5f*(x_max-x_min),
0.5f*(y_max-y_min),
0.5f*(z_max-z_min) ) );
setName("box");
break;
case BODY_NONE: fprintf(stderr, "WARNING: Uninitialised moving shape\n");
case MP_SPHERE: radius = std::max(x_max-x_min, y_max-y_min);
radius = 0.5f*std::max(radius, z_max-z_min);
m_shape = new btSphereShape(radius);
setName("sphere");
break;
case MP_NONE: fprintf(stderr, "WARNING: Uninitialised moving shape\n");
break;
}
@ -197,7 +203,15 @@ void MovingPhysics::update(float dt)
// Transfer the new position and hpr to m_curr_pos
sgCoord m_curr_pos;
sgSetCoord(&m_curr_pos, m);
if(m_curr_pos.xyz[2]<-100)
{
m_body->setCenterOfMassTransform(m_init_pos);
m_curr_pos.xyz[0]=m_init_pos.getOrigin().getX();
m_curr_pos.xyz[1]=m_init_pos.getOrigin().getY();
m_curr_pos.xyz[2]=m_init_pos.getOrigin().getZ();
}
setTransform(&m_curr_pos);
} // update
// -----------------------------------------------------------------------------
void MovingPhysics::reset()