public final boolean isTouching(ReadableRectangle rect) {
if (isRound() && getRadius() == 0) {
return false;
}
if (!isRound() && getBounds(BOUNDS).isEmpty()) {
return false;
}
if (isRound()) {
return rectRoundCollisionCheck(mapX, mapY, getRadius(), rect);
} else {
return BOUNDS.intersects(rect);
}
}
/**
* Collision detection.
*
* @param dest The entity to check for collision with.
* @return true if this entity is touching the destination entity; note that an entity can never
* be touching itself
*/
public final boolean isTouching(Entity dest) {
if (dest == this) {
return false;
}
if (isRound() && getRadius() == 0) {
return false;
}
if (dest.isRound() && dest.getRadius() == 0) {
return false;
}
if (!isRound() && getBounds(BOUNDS).isEmpty()) {
return false;
}
if (!dest.isRound() && dest.getBounds(TEMP).isEmpty()) {
return false;
}
// At this point, BOUNDS and TEMP hold bounding rectangles, which we might
// use if it's a rect-rect collision
if (isRound() && dest.isRound()) {
// Round-Round collision check
float dx = dest.mapX + dest.getCollisionX() - (this.mapX + this.getCollisionX());
float dy = dest.mapY + dest.getCollisionY() - (this.mapY + this.getCollisionY());
dx *= dx;
dy *= dy;
return Math.sqrt(dx + dy) < getRadius() + dest.getRadius();
} else if (isRound() && !dest.isRound()) {
// Round-Rect collison check
return rectRoundCollisionCheck(
mapX + getCollisionX(), mapY + getCollisionY(), getRadius(), TEMP);
} else if (!isRound() && dest.isRound()) {
// Rect-round collision check
return rectRoundCollisionCheck(
dest.mapX + dest.getCollisionX(),
dest.mapY + dest.getCollisionY(),
dest.getRadius(),
BOUNDS);
} else {
// Rect-rect collision check
return BOUNDS.intersects(TEMP);
}
}