private void setPosition(Vector2 blackHolePosition, Vector2 playerPosition, int levelWidth, int levelHeight)
{ //set bounds on new spawn location
bool leftSide = (XnaHelper.RandomInt(0, 1) == 0);
_position.X = leftSide ? 0 : levelWidth;
_hitRect.X = leftSide ? 0 : levelWidth - _hitRect.Width;
_sprite.FlipH = !leftSide;
_position.Y = XnaHelper.RandomInt(0, levelHeight);
_hitRect.Y = (int)_position.Y;
}
private void setPosition(Vector2 blackHolePosition, int levelWidth, int levelHeight)
{ //set bounds on new spawn location
int minX, maxX, minY, maxY;
//spawn in bounds -- default for burst wave
minX = 0;
maxX = levelWidth;
minY = 0;
maxY = levelHeight;
if (_isTrickleWave) //spawn out of bounds
{
switch (XnaHelper.RandomInt(0, 3))
{
case 0: //top
minX = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxX = levelWidth + OUT_OF_BOUNDS_SPAWN_BUFFER;
minY = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxY = 0;
break;
case 1: //right
minX = levelWidth;
maxX = levelWidth + OUT_OF_BOUNDS_SPAWN_BUFFER;
minY = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxY = levelHeight + OUT_OF_BOUNDS_SPAWN_BUFFER;
break;
case 2: //bottom
minX = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxX = levelWidth + OUT_OF_BOUNDS_SPAWN_BUFFER;
minY = levelHeight;
maxY = levelHeight + OUT_OF_BOUNDS_SPAWN_BUFFER;
break;
case 3: //left
minX = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxX = 0;
minY = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxY = levelHeight + OUT_OF_BOUNDS_SPAWN_BUFFER;
break;
}
}
XnaHelper.RandomizeVector(ref _spawnLocation, minX, maxX, minY, maxY);
//if spawned too close to black hole, try again
if ((_spawnLocation - blackHolePosition).Length() < MIN_BLACKHOLE_SPAWN_DISTANCE)
{
setPosition(blackHolePosition, _levelBounds.Width, _levelBounds.Height);
}
}
private void setPosition(Vector2 blackHolePosition, int levelWidth, int levelHeight)
{ //set bounds on new spawn location
int minX, maxX, minY, maxY;
//spawn in bounds -- default for burst wave
minX = 0;
maxX = levelWidth;
minY = 0;
maxY = levelHeight;
switch (XnaHelper.RandomInt(0, 3))
{
case 0: //top
minX = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxX = levelWidth + OUT_OF_BOUNDS_SPAWN_BUFFER;
minY = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxY = 0;
break;
case 1: //right
minX = levelWidth;
maxX = levelWidth + OUT_OF_BOUNDS_SPAWN_BUFFER;
minY = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxY = levelHeight + OUT_OF_BOUNDS_SPAWN_BUFFER;
break;
case 2: //bottom
minX = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxX = levelWidth + OUT_OF_BOUNDS_SPAWN_BUFFER;
minY = levelHeight;
maxY = levelHeight + OUT_OF_BOUNDS_SPAWN_BUFFER;
break;
case 3: //left
minX = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxX = 0;
minY = -OUT_OF_BOUNDS_SPAWN_BUFFER;
maxY = levelHeight + OUT_OF_BOUNDS_SPAWN_BUFFER;
break;
}
do
{
XnaHelper.RandomizeVector(ref _position, minX, maxX, minY, maxY);
}while (Vector2.Distance(blackHolePosition, _position) < MIN_BLACKHOLE_DISTANCE);
}