private float randomY(GameContainer c, Shape s) throws MushroomFactoryException {
float y = -1;
int numTries = 0;
while (y < 0 || y >= c.getHeight()) {
y = (float) (s.getMaxY() - s.getY() * Math.random());
y += s.getY();
numTries++;
if (numTries > 6) {
throw new MushroomFactoryException("Can't find valid point.");
}
}
return y;
}
// propagate logic
public void moveBullet(float ms) {
// the bigger amount of pixels to move.
float steps =
(Math.abs(xVel * ms) > Math.abs(yVel * ms)) ? Math.abs(xVel * ms) : Math.abs(yVel * ms);
steps += 1;
float deltaX = (xVel * ms) / steps;
float deltaY = (yVel * ms) / steps;
for (int i = 0; i != (int) (steps + 1); i++) {
shape.setX(shape.getX() + deltaX);
shape.setY(shape.getY() + deltaY);
for (SPlayer p : SState.players) {
if (p != null) {
if (p.intersects(shape)) {
p.hurt(damage);
live = false;
return;
}
}
}
if (SState.map.checkCollide(getShape())) {
live = false;
return;
}
}
}
/**
* @see org.newdawn.slick.gui.AbstractComponent#render(org.newdawn.slick.gui.GUIContext,
* org.newdawn.slick.Graphics)
*/
public void render(GUIContext container, Graphics g) {
if (currentImage != null) {
currentImage.draw(area.getX(), area.getY(), currentColor);
} else {
g.setColor(currentColor);
g.fill(area);
}
updateImage();
}
/** @see org.newdawn.slick.gui.AbstractComponent#getHeight() */
public int getHeight() {
return (int) (area.getMaxY() - area.getY());
}
/**
* Returns the position in the Y coordinate
*
* @return y
*/
public int getY() {
return (int) area.getY();
}
public void setSize(int width, int height) {
Shape shape = new Rectangle(area.getX(), area.getY(), width, height);
this.area = shape;
}
public static float getMaxY(Shape rectangle) {
return rectangle.getY() + rectangle.getHeight() - 1;
}