/** @return the X collision offset */
public final float getCollisionX() {
if (isRound()) {
return getRoundCollisionX();
} else {
getBounds(TEMP);
return TEMP.getX() - getMapX() + TEMP.getWidth() * 0.5f;
}
}
/** @return the Y collision offset */
public final float getCollisionY() {
if (isRound()) {
return getRoundCollisionY();
} else {
getBounds(TEMP);
return TEMP.getY() - getMapY() + TEMP.getHeight() * 0.5f;
}
}
public void drawTile(Tile tile, int x, int y) {
Rectangle spriteRegion = new Rectangle(x - xoffs + 16, y - yoffs + 16, 32, 32);
if (screenRegion.contains(spriteRegion)) {
g.drawImage(getTileSprite(tile.id), x - xoffs - 16, y - yoffs - 16);
}
}
public void draw(Entity entity) {
Rectangle spriteRegion =
new Rectangle((int) (entity.x - xoffs + 16), (int) (entity.y - yoffs + 16), 32, 32);
if (screenRegion.contains(spriteRegion)) {
g.drawImage(
getCharacterSprite(entity.id, entity.spritePos + entity.spriteDir * 3),
(int) (entity.x) - xoffs - 16,
(int) (entity.y) - yoffs - 16);
}
}
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);
}
}
/**
* Are we touching a specific point?
*
* @param x
* @param y
* @return boolean
*/
public final boolean isTouching(float x, float y) {
if (isRound() && getRadius() == 0) {
return false;
}
if (!isRound() && getBounds(BOUNDS).isEmpty()) {
return false;
}
if (isRound()) {
return getDistanceTo(x, y) < getRadius();
} else {
return BOUNDS.contains((int) x, (int) y);
}
}
/**
* 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);
}
}
