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Signals | Public Member Functions | List of all members
KGrTimer Class Reference

#include <kgrtimer.h>

Inheritance diagram for KGrTimer:
Inheritance graph
[legend]

Signals

void tick (bool missed, int pScaledTime)
 

Public Member Functions

 KGrTimer (QObject *parent, int pTick=20, float pScale=1.0)
 
 ~KGrTimer ()
 
void pause ()
 
void resume ()
 
void setScale (const float pScale)
 
void step ()
 

Detailed Description

Definition at line 25 of file kgrtimer.h.

Constructor & Destructor Documentation

KGrTimer::KGrTimer ( QObject *  parent,
int  pTick = 20,
float  pScale = 1.0 
)
explicit

Definition at line 22 of file kgrtimer.cpp.

KGrTimer::~KGrTimer ( )

Definition at line 38 of file kgrtimer.cpp.

Member Function Documentation

void KGrTimer::pause ( )

Definition at line 43 of file kgrtimer.cpp.

void KGrTimer::resume ( )

Definition at line 48 of file kgrtimer.cpp.

void KGrTimer::setScale ( const float  pScale)
inline

Definition at line 35 of file kgrtimer.h.

void KGrTimer::step ( )

Definition at line 55 of file kgrtimer.cpp.

void KGrTimer::tick ( bool  missed,
int  pScaledTime 
)
signal

This signal powers the whole game.

KGrLevelPlayer connects it to its tick() slot.

Parameters
missedIf true, the QTimer has missed one or more ticks, due to overheads elsewhere in Qt or the O/S. The game catches up on the missed signal(s) and the graphics view avoids painting any sprites until the catchup is complete, thus saving further overheads. The sprites may "jump" a little when this happens, but at least the game stays on-time in wall-clock time.
pScaledTimeThe number of milliseconds per tick. Usually this is tickTime (= 20 msec), but it is less when the game is slowed down or more when it is speeded up. If the scaled time is 10 (beginner speed), the game will take 2 ticks of 20 msec (i.e. 40 msec) to do what it normally does in 20 msec.

The documentation for this class was generated from the following files:
  • kgrtimer.h
  • kgrtimer.cpp
This file is part of the KDE documentation.
Documentation copyright © 1996-2014 The KDE developers.
Generated on Tue Oct 14 2014 22:44:12 by doxygen 1.8.7 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.

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