Revision: 1071
Author: heuermh
Date: Thu Sep 30 15:00:50 2010
Log: adding animate path example
http://code.google.com/p/piccolo2d/source/detail?r=1071
Added:
/piccolo2d.java/trunk/examples/src/main/java/org/piccolo2d/examples/AnimatePathExample.java
=======================================
--- /dev/null
+++
/piccolo2d.java/trunk/examples/src/main/java/org/piccolo2d/examples/AnimatePathExample.java
Thu Sep 30 15:00:50 2010
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2008-2010, Piccolo2D project, http://piccolo2d.org
+ * Copyright (c) 1998-2008, University of Maryland
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
modification, are permitted provided
+ * that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
this list of conditions
+ * and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright
notice, this list of conditions
+ * and the following disclaimer in the documentation and/or other
materials provided with the
+ * distribution.
+ *
+ * None of the name of the University of Maryland, the name of the
Piccolo2D project, or the names of its
+ * contributors may be used to endorse or promote products derived from
this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.piccolo2d.examples;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Paint;
+import java.awt.Stroke;
+
+import org.piccolo2d.PCanvas;
+
+import org.piccolo2d.activities.PInterpolatingActivity;
+
+import org.piccolo2d.event.PBasicInputEventHandler;
+import org.piccolo2d.event.PInputEvent;
+import org.piccolo2d.event.PInputEventListener;
+
+import org.piccolo2d.extras.PFrame;
+
+import org.piccolo2d.nodes.PPath;
+
+/**
+ * Animate path example.
+ */
+public final class AnimatePathExample extends PFrame {
+
+ /** Default serial version UID. */
+ private static final long serialVersionUID = 1L;
+
+ /** Curve. */
+ private PPath curve = new PPath();
+
+ /** Path paint. */
+ private static final Paint PAINT = new Color(20, 20, 20, 120);
+
+ /** Stroke. */
+ private static final Stroke STROKE = new BasicStroke(0.5f);
+
+ /** Stroke paint. */
+ private static final Paint STROKE_PAINT = new Color(20, 20, 20, 120);
+
+
+ /**
+ * Create a new animate path example.
+ */
+ public AnimatePathExample() {
+ this(null);
+ }
+
+ /**
+ * Create a new animate path example with the specified canvas.
+ *
+ * @param canvas canvas for this animate path example
+ */
+ public AnimatePathExample(final PCanvas canvas) {
+ super("AnimatePathExample", false, canvas);
+ }
+
+
+ /** {...@inheritdoc} */
+ public void initialize() {
+
+ curve.moveTo(100.0f, 100.0f);
+ curve.curveTo(150.0f, 135.0f, 250.0f, 155.0f, 300.0f, 300.0f);
+ curve.closePath();
+
+ curve.setPaint(PAINT);
+ curve.setStroke(STROKE);
+ curve.setStrokePaint(STROKE_PAINT);
+
+ PInputEventListener animateCurve = new PBasicInputEventHandler() {
+ /** {...@inheritdoc} */
+ public void mousePressed(final PInputEvent event) {
+ animateCurve();
+ }
+ };
+
+ curve.addInputEventListener(animateCurve);
+
+ getCanvas().getLayer().addChild(curve);
+ }
+
+ /**
+ * Animate curve.
+ */
+ private void animateCurve() {
+ curve.addActivity(new PInterpolatingActivity(1000L) {
+ /** {...@inheritdoc} */
+ public void setRelativeTargetValue(final float value) {
+ curve.reset();
+ curve.moveTo(100.0f, 100.0f);
+ curve.curveTo(150.0f, 135.0f - (135.0f * value),
250.0f, 155.0f - (155.0f * value), 300.0f, 300.0f);
+ curve.closePath();
+ }
+ });
+ }
+
+
+ /**
+ * Main.
+ *
+ * @param args command line arguments, ignored
+ */
+ public static void main(final String[] args) {
+ new AnimatePathExample();
+ }
+}
--
Piccolo2D Developers Group: http://groups.google.com/group/piccolo2d-dev?hl=en
