ilikecats/stk-code_catmod
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Made the minimum distance between interpolation control

Browse Source 
points and the distance to target at which the rubber
ball starts aiming directly at the target configurable.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9550 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
hikerstk 2011-08-18 03:31:52 +00:00
parent 017619744b
commit cb34118707
3 changed files with 32 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
data/powerup.xml
View File

@ -18,6 +18,7 @@
<item name="rubber-ball" icon="rubber_ball-icon.png"
model="rubber_ball.b3d" speed="35.0" scale="1 1 1"
interval="1" max-height="4.0"
target-distance="50" min-interpolation-distance="30"
squash-slowdown="0.5" squash-duration="3" />
<item name="parachute" icon="parachute-icon.png"
model="parachute.b3d" />

32
src/items/rubber_ball.cpp
View File

@ -25,8 +25,10 @@
#include "tracks/track.hpp"
float RubberBall::m_st_interval;
float RubberBall::m_st_min_interpolation_distance;
float RubberBall::m_st_squash_duration;
float RubberBall::m_st_squash_slowdown;
float RubberBall::m_st_target_distance;
RubberBall::RubberBall(Kart *kart)
: Flyable(kart, PowerupManager::POWERUP_RUBBERBALL, 0.0f /* mass */),
@ -48,7 +50,7 @@ RubberBall::RubberBall(Kart *kart)
computeTarget();
// Initialises the current graph node
// initialises the current graph node
TrackSector::update(getXYZ());
initializeControlPoints(m_owner->getXYZ());
@ -152,7 +154,7 @@ void RubberBall::getNextControlPoint()
int next = getSuccessorToHitTarget(m_last_aimed_graph_node, &dist);
float d = QuadGraph::get()->getDistanceFromStart(next)-f;
while(d<30 && d>0)
while(d<m_st_min_interpolation_distance && d>0)
{
next = getSuccessorToHitTarget(next, &dist);
d = QuadGraph::get()->getDistanceFromStart(next)-f;
@ -172,17 +174,27 @@ void RubberBall::getNextControlPoint()
*/
void RubberBall::init(const XMLNode &node, scene::IMesh *bowling)
{
m_st_interval = 1.0f;
m_st_squash_duration = 3.0f;
m_st_squash_slowdown = 0.5f;
m_st_interval = 1.0f;
m_st_squash_duration = 3.0f;
m_st_squash_slowdown = 0.5f;
m_st_target_distance = 50.0f;
m_st_min_interpolation_distance = 30.0f;
if(!node.get("interval", &m_st_interval))
printf("[powerup] Warning: no interval specific for rubber ball.\n");
printf("[powerup] Warning: no interval specified for rubber ball.\n");
if(!node.get("squash-duration", &m_st_squash_duration))
printf(
"[powerup] Warning: no squash-duration specific for rubber ball.\n");
"[powerup] Warning: no squash-duration specified for rubber ball.\n");
if(!node.get("squash-slowdown", &m_st_squash_slowdown))
printf(
"[powerup] Warning: no squash-slowdown specific for rubber ball.\n");
"[powerup] Warning: no squash-slowdown specified for rubber ball.\n");
if(!node.get("target-distance", &m_st_target_distance))
printf(
"[powerup] Warning: no target-distance specified for rubber ball.\n");
if(!node.get("min-interpolation-distance",
&m_st_min_interpolation_distance))
printf(
"[powerup] Warning: no min-interpolation-distance specified "
"for rubber ball.\n");
Flyable::init(node, bowling, PowerupManager::POWERUP_RUBBERBALL);
} // init
@ -302,7 +314,7 @@ float RubberBall::updateHeight()
if(distance<0)
distance+=World::getWorld()->getTrack()->getTrackLength();;
if(distance<50)
if(distance<m_st_target_distance)
{
// Some experimental formulas
m_current_max_height = 0.5f*sqrt(distance);
@ -353,7 +365,7 @@ void RubberBall::checkDistanceToTarget()
diff += world->getTrack()->getTrackLength();
}
if(diff < 50)
if(diff < m_st_target_distance)
{
m_aiming_at_target = true;
return;

9
src/items/rubber_ball.hpp
View File

@ -41,6 +41,15 @@ private:
/** A class variable to store the default squash slowdown. */
static float m_st_squash_slowdown;
/** If the ball is closer than this distance to the target, it will
* start to aim directly at the target (and not interpolate anymore). */
static float m_st_target_distance;
/** Each control point chosen must be at least this far away from
* the previous one. This gives smooth 'overall' interpolation
* even if the quads should be close to each other. */
static float m_st_min_interpolation_distance;
/** A pointer to the target kart. */
const Kart *m_target;