bool APScatterAction::initWithDuration(float _height, float _minX, float _maxX, float _rotate)
{
float xOffset = getRandFloat(_minX, _maxX);
m_height = _height;
//左右位移与抛出的高有关
auto x = m_height-xOffset;
if(getRandFloat(-m_height,m_height)<0){
x = -m_height+xOffset;
}
m_width = x;
//默认世界重力为0.9798（地球重力）
m_gravity = 0.9798;
//随机质量
m_mass = getRandFloat(4.5f, 6.0f);
//四舍五入取弹跳次数（弹力与高度，重力及质量有关）
m_jumps = m_height/(m_mass*m_gravity*40)+0.5;
//约动作时间
m_duration = m_height/(m_gravity*285);
//旋转
m_rotation = _rotate==0.0 ? _rotate : m_width / 25 + _rotate;
ActionInterval::initWithDuration(m_duration);
return true;
}
/** Smoothes a single point based on the average of its neighbors */
static float get_smooth_value(int x, int y){
float corners_value = (getRandFloat(x-1,y-1) + getRandFloat(x+1,y-1)
+ getRandFloat(x-1,y+1) + getRandFloat(x+1,y+1)) / 16;
float sides = (getRandFloat(x-1,y) + getRandFloat(x+1,y)
+ getRandFloat(x,y-1) + getRandFloat(x,y+1)) / 8;
float value = getRandFloat(x,y) / 4;
return corners_value + sides + value;
}
float getRandExponential( ) //Interpolate between points on
{ //graph: lower bound + slope
float x, deviate; //of line * distance on x axis.
//Note more approximation
x = getRandFloat( ); //points in exponential tail.
if (x == 0.0)
deviate = 0.0;
else if (x <= 0.1)
deviate = ((x - 0.0) * 1.04 + 0.0);
else if (x <= 0.2)
deviate = ((x - 0.1) * 1.18 + 0.104);
else if (x <= 0.3)
deviate = ((x - 0.2) * 1.33 + 0.222);
else if (x <= 0.4)
deviate = ((x - 0.3) * 1.54 + 0.355);
else if (x <= 0.5)
deviate = ((x - 0.4) * 1.81 + 0.509);
else if (x <= 0.6)
deviate = ((x - 0.5) * 2.25 + 0.690);
else if (x <= 0.7)
deviate = ((x - 0.6) * 2.85 + 0.915);
else if (x <= 0.75)
deviate = ((x - 0.70) * 3.60 + 1.2);
else if (x <= 0.8)
deviate = ((x - 0.75) * 4.40 + 1.38);
else if (x <= 0.84)
deviate = ((x - 0.8) * 5.75 + 1.60);
else if (x <= 0.88)
deviate = ((x - 0.84) * 7.25 + 1.83);
else if (x <= 0.9)
deviate = ((x - 0.88) * 9.00 + 2.12);
else if (x <= 0.92)
deviate = ((x - 0.90) * 11.0 + 2.30);
else if (x <= 0.94)
deviate = ((x - 0.92) * 14.5 + 2.52);
else if (x<= 0.95)
deviate = ((x - 0.94) * 18.0 + 2.81);
else if (x <= 0.96)
deviate = ((x - 0.95) * 21.0 + 2.99);
else if (x <= 0.97)
deviate = ((x - 0.96) * 30.0 + 3.20);
else if (x <= 0.98)
deviate = ((x - 0.97) * 40.0 + 3.50);
else if (x <= 0.99)
deviate = ((x - 0.98) * 70.0 + 3.90);
else if (x <= 0.995)
deviate = ((x - 0.99) * 140.0 + 4.60);
else if (x <= 0.998)
deviate = ((x - 0.995) * 300.0 + 5.30);
else if (x <= 0.999)
deviate = ((x - 0.998) * 800.0 + 6.20);
else
deviate = ((x - 0.9997) * 1000.0 + 8.0);
return (float)deviate;
}
void Manager::setNumberOfEnemies(int number){
numOfEnemies = number;
int pw = player.getMFS()->getFrame()->getHeight();
int ph = player.getMFS()->getFrame()->getWidth();
if(number > static_cast<int>(enemies.size())){
number -= enemies.size();
for(int i = 0; i < number; ++i) {
enemies.push_back(new Enemy(
new TwoWaySprite("heli2",
getRandFloat(pw + Gamedata::getInstance()->getXmlInt("startRoom"),
Gamedata::getInstance()->getXmlInt("worldWidth")
),
getRandFloat(ph + Gamedata::getInstance()->getXmlInt("startRoom"),
Gamedata::getInstance()->getXmlInt("worldHeight")
-
(Gamedata::getInstance()->getXmlInt("heli2Height")
/
Gamedata::getInstance()->getXmlInt("heli2YFrames"))
),
(rand()%2?1:-1)*getRandFloat(
-Gamedata::getInstance()->getXmlInt("heli2SpeedX"),
Gamedata::getInstance()->getXmlInt("heli2SpeedX")
),
(rand()%2?1:-1)*getRandFloat(
-Gamedata::getInstance()->getXmlInt("heli2SpeedY"),
Gamedata::getInstance()->getXmlInt("heli2SpeedY")
),
1
),
&player,
Gamedata::getInstance()->getXmlFloat("enemyAttackRange"),
Gamedata::getInstance()->getXmlFloat("enemyAttackSpeed"))
);
}
}
else{
number = enemies.size() - number;
for(int i = 0; i < number; ++i){
delete enemies.back()->getMFS();
delete enemies.back();
enemies.pop_back();
}
}
}
double RandomGen::gaussian(double mu, double sigma) {
if(sigma <= 0.0) {
//printf("Sigma<=0.0 in _sta!");
//assert(0);
return 0;
}
double sum = 0.0;
for(int i = 1; i <= 12;i++) {
sum = sum + getRandFloat(1);
}
return (sum - 6.00) * sigma + mu;
}
Manager::Manager() :
env( SDL_putenv(const_cast<char*>("SDL_VIDEO_CENTERED=center")) ),
gdata( Gamedata::getInstance() ),
io( IOManager::getInstance() ),
clock( Clock::getInstance() ),
screen( io.getScreen() ),
world1(FrameFactory::getInstance().getFrame("back3"), 8),
world2(FrameFactory::getInstance().getFrame("back2"), 4),
world3(FrameFactory::getInstance().getFrame("back"), 1),
viewport( Viewport::getInstance() ),
hud(),
sound(),
player(new TwoWaySprite("plane", 1)),
delay(Gamedata::getInstance()->getXmlInt("delay")),
numOfEnemies(Gamedata::getInstance()->getXmlInt("numOfEnemies"))
{
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
throw string("Unable to initialize SDL: ");
}
viewport.setObjectToTrack(player.getMFS());
srand(time(0));
clouds.reserve(Gamedata::getInstance()->getXmlInt("cloud2Num"));
pman.reserve(Gamedata::getInstance()->getXmlInt("pmanNum"));
int ww = Gamedata::getInstance()->getXmlInt("worldWidth");
int wh = Gamedata::getInstance()->getXmlInt("worldHeight");
int pw = player.getMFS()->getFrame()->getHeight();
int ph = player.getMFS()->getFrame()->getWidth();
for(int i = 0; i < Gamedata::getInstance()->getXmlInt("cloud2Num"); i++){
double scale = static_cast<double>(getRandFloat(5 , 30) / 10.0);
clouds.push_back(
new ScaledDrawable(
new Sprite("cloud2", FrameFactory::getInstance().getFrame("cloud2", scale)), scale)
);
}
sort(clouds.begin(), clouds.end(), ScaledDrawableFO());
for(int i = 0; i < Gamedata::getInstance()->getXmlInt("pmanNum"); i++){
double scale = static_cast<double>(getRandFloat(5 , 200) / 100.0);
pman.push_back(
new ScaledDrawable(
new OneWaySprite("pman",
getRandFloat(0, ww),
getRandFloat(0, wh),
(rand()%2?1:-1)*getRandFloat(
-Gamedata::getInstance()->getXmlInt("pmanSpeedX"),
Gamedata::getInstance()->getXmlInt("pmanSpeedX")
),
(rand()%2?1:-1)*getRandFloat(
-Gamedata::getInstance()->getXmlInt("pmanSpeedY"),
Gamedata::getInstance()->getXmlInt("pmanSpeedY")
),
scale), scale)
);
}
sort(pman.begin(), pman.end(), ScaledDrawableFO());
for(int i = 0; i < numOfEnemies; i++){
enemies.push_back(new Enemy(
new TwoWaySprite("heli2",
getRandFloat(pw + Gamedata::getInstance()->getXmlInt("startRoom"),
ww
),
getRandFloat(ph + Gamedata::getInstance()->getXmlInt("startRoom"),
wh
-
(Gamedata::getInstance()->getXmlInt("heli2Height") / Gamedata::getInstance()->getXmlInt("heli2YFrames"))
),
(rand()%2?1:-1)*getRandFloat(
-Gamedata::getInstance()->getXmlInt("heli2SpeedX"),
Gamedata::getInstance()->getXmlInt("heli2SpeedX")
),
(rand()%2?1:-1)*getRandFloat(
-Gamedata::getInstance()->getXmlInt("heli2SpeedY"),
Gamedata::getInstance()->getXmlInt("heli2SpeedY")
),
1
),
&player,
Gamedata::getInstance()->getXmlFloat("enemyAttackRange"),
Gamedata::getInstance()->getXmlFloat("enemyAttackSpeed"))
);
}
atexit(SDL_Quit);
clock.pause();
}