/**
* Returns TRUE if given element is colliding something at given location.
*
* @param tx
* @param ty
* @param quelElement (can be NULL)
* @param rayon
* @return boolean
*/
public Perso checkCollision(int x, int y, Element quelElement, int rayon) {
int gridX = x >> 4;
int gridY = y >> 4;
int fromId = quelElement != null ? quelElement.getId() : -1;
boolean foreGround = quelElement != null && quelElement.isForeground();
// Try on given grid case
Perso perso = locatePerso(gridX, gridY, foreGround, fromId);
if (perso != null && checkCollisionOnPerso(x, y, quelElement, perso, rayon)) {
return perso;
}
int nbPersoAround = CollBuffer.howManyAround(gridX, gridY);
if (nbPersoAround <= 1) {
return null;
}
nbPersoAround--;
if (nbPersoAround != 0) {
for (Angle a : Angle.values()) {
Point offset = a.coords;
int gx = gridX + offset.x;
int gy = gridY + offset.y;
perso = locatePerso(gx, gy, foreGround, fromId);
if (perso != null && checkCollisionOnPerso(x, y, quelElement, perso, rayon)) {
return perso;
}
}
}
return null;
}
