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Reset the up and down timers in reset and allow the maximum level of gleam and update frequency to be specified

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git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@269 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Charlie Groves
2007-06-29 22:41:52 +00:00
parent 717dc79c02
commit 640b6fe1f6
1 changed files with 67 additions and 14 deletions
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src/java/com/threerings/media/animation/GleamAnimation.java
+67 -14
View File
@@ -12,7 +12,7 @@
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
@@ -29,6 +29,7 @@ import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Transparency;
import com.threerings.media.animation.Animation.AnimCompletedOp;
import com.threerings.media.sprite.Sprite;
import com.threerings.media.sprite.SpriteManager;
import com.threerings.media.util.LinearTimeFunction;
@@ -41,6 +42,7 @@ import com.threerings.media.util.TimeFunction;
*/
public class GleamAnimation extends Animation
{
/**
* Creates a gleam animation with the supplied sprite. The sprite will
* be faded to the specified color and then back again. The sprite may
@@ -51,24 +53,51 @@ public class GleamAnimation extends Animation
* fade up to the gleam color and the gleam color will fade out,
* leaving just the sprite imagery.
*/
public GleamAnimation (SpriteManager spmgr, Sprite sprite, Color color,
int upmillis, int downmillis, boolean fadeIn)
public GleamAnimation (SpriteManager spmgr, Sprite sprite, Color color, int upmillis,
int downmillis, boolean fadeIn)
{
this(spmgr, sprite, color, upmillis, downmillis, fadeIn, 750, 0);
}
/**
* Creates a gleam animation with the supplied sprite. The sprite will
* be faded to the specified color and then back again. The sprite may
* be already added to the supplied sprite manager or not, but when
* the animation is complete, it will have been added.
*
* @param fadeIn if true, the sprite itself will be faded in as we
* fade up to the gleam color and the gleam color will fade out,
* leaving just the sprite imagery.
* @param maxAlpha the maximum alpha value to scale the color to.
* @param millisBetweenUpdates millisecons to wait between actually updating the alpha and
* redrawing
*/
public GleamAnimation (SpriteManager spmgr, Sprite sprite, Color color, int upmillis,
int downmillis, boolean fadeIn, int maxAlpha, int millisBetweenUpdates)
{
super(new Rectangle(sprite.getBounds()));
_spmgr = spmgr;
_sprite = sprite;
_color = color;
_upfunc = new LinearTimeFunction(0, 750, upmillis);
_downfunc = new LinearTimeFunction(750, 0, downmillis);
_upmillis = upmillis;
_downmillis = downmillis;
_maxAlpha = maxAlpha;
_upfunc = new LinearTimeFunction(0, _maxAlpha, upmillis);
_downfunc = new LinearTimeFunction(_maxAlpha, 0, downmillis);
_fadeIn = fadeIn;
_millisBetweenUpdates = millisBetweenUpdates;
}
// documentation inherited
@Override // documentation inherited
public void tick (long timestamp)
{
if (timestamp - _lastUpdate < _millisBetweenUpdates) {
return;
}
_lastUpdate = timestamp;
int alpha;
if (_upfunc != null) {
if ((alpha = _upfunc.getValue(timestamp)) == 750) {
if ((alpha = _upfunc.getValue(timestamp)) == _maxAlpha) {
_upfunc = null;
}
} else if (_downfunc != null) {
@@ -95,7 +124,7 @@ public class GleamAnimation extends Animation
}
}
// documentation inherited
@Override // documentation inherited
public void fastForward (long timeDelta)
{
if (_upfunc != null) {
@@ -105,15 +134,15 @@ public class GleamAnimation extends Animation
}
}
// documentation inherited
@Override // documentation inherited
public void paint (Graphics2D gfx)
{
// TODO: recreate our off image if the sprite bounds changed; we
// also need to change the bounds of our animation which might
// require some jockeying (especially if we shrink)
if (_offimg == null) {
_offimg = gfx.getDeviceConfiguration().createCompatibleImage(
_bounds.width, _bounds.height, Transparency.TRANSLUCENT);
_offimg = gfx.getDeviceConfiguration().createCompatibleImage(_bounds.width,
_bounds.height, Transparency.TRANSLUCENT);
}
// create a mask image with our sprite and the appropriate color
@@ -129,8 +158,7 @@ public class GleamAnimation extends Animation
}
Composite ocomp = null;
Composite ncomp = AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, _alpha/1000f);
Composite ncomp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, _alpha / 1000f);
// if we're fading the sprite in on the way up, set our alpha
// composite before we render the sprite
@@ -153,7 +181,7 @@ public class GleamAnimation extends Animation
gfx.setComposite(ocomp);
}
// documentation inherited
@Override // documentation inherited
protected void willStart (long tickStamp)
{
super.willStart(tickStamp);
@@ -165,6 +193,26 @@ public class GleamAnimation extends Animation
}
}
@Override //documentation inherited
protected void shutdown ()
{
super.shutdown();
if (!_spmgr.isManaged(_sprite)) {
_spmgr.addSprite(_sprite);
}
}
@Override //documentation inherited
public void reset ()
{
super.reset();
_upfunc = new LinearTimeFunction(0, _maxAlpha, _upmillis);
_downfunc = new LinearTimeFunction(_maxAlpha, 0, _downmillis);
if (_spmgr.isManaged(_sprite)) {
_spmgr.removeSprite(_sprite);
}
}
protected SpriteManager _spmgr;
protected Sprite _sprite;
protected Color _color;
@@ -173,5 +221,10 @@ public class GleamAnimation extends Animation
protected TimeFunction _upfunc;
protected TimeFunction _downfunc;
protected int _upmillis;
protected int _downmillis;
protected int _maxAlpha;
protected int _alpha = -1;
protected long _lastUpdate;
protected int _millisBetweenUpdates;
}