private Dimension computeSpriteDimension(double value) {
Dimension spriteDimension = spriteDimensionMap.get(value);
if (spriteDimension == null) {
Texture sprite = spriteMap.get(value);
if (sprite != null) {
spriteDimension = sprite.getDataProvider().getTextureSize();
spriteDimensionMap.put(value, spriteDimension);
}
}
return spriteDimension;
}
/**
* Compute and return a translation along the given <code>direction</code>. This translation is
* the vector between the <code>sprite</code> center and is projection along the given {@see
* direction} to the sprite edges.
*
* @param sprite the given {@link Texture}
* @param direction the given direction.
* @return the vector between the sprite center and is projection to the sprite edges.
*/
private Vector3d projectCenterToEdge(Texture sprite, Vector3d direction) {
Vector3d usedDirection;
if ((direction == null) || (direction.isZero())) {
usedDirection = new Vector3d(1, 0, 0);
} else {
usedDirection = direction;
}
/* +1 is used to have a space between the tick and its label */
Dimension textureSize = sprite.getDataProvider().getTextureSize();
double ratioX = textureSize.width / Math.abs(usedDirection.getX()) + 1;
double ratioY = textureSize.height / Math.abs(usedDirection.getY()) + 1;
double ratio = Math.min(ratioY, ratioX) / 2;
return usedDirection.times(ratio);
}
/**
* Default constructor.
*
* @param sprite the {@link Texture}.
* @param windowPosition the window position.
*/
public PositionedSprite(Texture sprite, Vector3d windowPosition) {
// long tic = Calendar.getInstance().getTimeInMillis();
this.windowPosition = windowPosition;
this.sprite = sprite;
Dimension textureSize = sprite.getDataProvider().getTextureSize();
windowsBounds =
new Rectangle2D.Double(
windowPosition.getX(),
windowPosition.getY(),
textureSize.width,
textureSize.height);
// System.err.println("====[new PositionedSprite] time =
// "+(Calendar.getInstance().getTimeInMillis() - tic));
}